Fly to Ontario with United Airlines from over 200 airports within the United States and an additional 100 airports internationally. Ontario’s top attractions. Visit the Ontario Museum of History and Art for an overview of the region. Tour the grand Graber Olive House, home to the oldest operating olive packer in the U.S. Flight distance: 966 miles or 1554 km. Flight time: 2 hours, 10 minutes. Compare this to a whole day of commercial travel with the airports and waiting in line for security, which ends up taking a total of 7 hours, 44 minutes. Flying private is roughly 3.9x faster, and saves you about 5.5 hours in your total travel time. Flights from Seattle to Ontario. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to Ontario.Popular distances from Ontario (ONT) Distance from Ontario to Seattle (Ontario International Airport – Seattle–Tacoma International Airport) is 956 miles / 1539 kilometers / 831 nautical miles. See also a map, estimated flight duration, carbon dioxide emissions and the time difference between Ontario and Seattle. The Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the Seattle to Ontario flight route. Which airline alliances offer flights from Seattle to Ontario? oneworld, and SkyTeam are the airline alliances operating flights between Seattle and Ontario, with SkyTeam being the most commonly used for this route. The cheapest way to get from Seattle to Ontario costs only $165, and the quickest way takes just 4½ hours. Find the travel option that best suits you.Direct. Mon, May 20 SEA – ONT with Frontier Airlines. Direct. from $68. Seattle.$84 per passenger.Departing Sat, May 18, returning Sun, Jun 2.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Ontario International on Sat, May 18, arriving in Seattle / Tacoma International.Inbound direct ...383 Reviews. Rancho Cucamonga, CA. Book Cheap Flights to Ontario: Search and compare airfares on Tripadvisor to find the best flights for your trip to Ontario. Choose the best airline for you by reading reviews and viewing hundreds of ticket rates for flights going to and from your destination.One-way low-fare flights Ontario to Seattle.* From. flight_takeoff. To. flight_land. Budget $ Cabin Class. Select travel class. keyboard_arrow_down. From. To. Fare Type. Dates. Price. From Ontario (ONT) To Seattle (SEA) One-way | Saver: Depart: Jun 4, 2024: From. $89* Seen: 1 day ago *Prices have been available for one-way trips within the last 48 hours …Find some of the cheapest Alaska Airlines flights travelling from Seattle to Toronto. Come back soon if you're not finding the exact deal you're looking for. Tue 28/5 6:50 a.m. SEA - YYZ. Nonstop 4h 40m Alaska Airlines. Wed 5/6 3:40 p.m. YYZ - SEA. Your trip begins in Ontario, California. It ends in Seattle, Washington. If you're planning a road trip, you might be interested in seeing the total driving distance from Ontario, CA to Seattle, WA. You can also calculate the cost to drive from Ontario, CA to Seattle, WA based on current local gas prices and an estimate of your car's best gas ... Seattle/Tacoma, WA to Ontario/LA, CA. departing on 10/31. Book now. Book flights from Seattle/Tacoma to Ontario/LA with Southwest Airlines®. Bundle your flight with a hotel or rental car booking and find even more savings. The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $164 round trip and one way. Prices and availability subject to change. Additional terms may apply. Wed, Feb 14 - Sat, Feb 17. SEA. Seattle. ONT. Ontario. $164.Find cheap flights from Seattle (SEA) to Ontario (ONT) with United Airlines. Compare fares, dates, and cabin classes for round trips or one-way flights.A full moon looks best when it appears on the eastern horizon just after the sun has set in the west. It will look more prominent than usual and be a beautiful, muted … The calculation of flight time is based on the straight line distance from Ontario, CA to Seattle, WA ("as the crow flies"), which is about 966 miles or 1 554 kilometers. Your trip begins in Ontario, California. It ends in Seattle, Washington. Your flight direction from Ontario, CA to Seattle, WA is North (-13 degrees from North). Renew your products online. Over 55 services are available online making it fast, easy, and convenient to renew now. Here are some of our top online services, renew: your licence plate. your driver’s licence. an accessible parking permit. an Ontario Photo Card. your health card. The cheapest return flight ticket from Seattle to Ontario found by KAYAK users in the last 72 hours was for $78 on Frontier, followed by Delta ($177). One-way flight deals have also been found from as low as $54 on Frontier and from $89 on Alaska Airlines. Compare Seattle WA Cost of Living vs Ontario CA Cost of Living: Taxes, Childcare, Groceries, Health... Compare Now. ZIPS IN SEATTLE, WA 98115, 98103, 98133, 98105, 98118, 98125, 98122, 98117, 98144, 98109, 28 total ZIPS IN ONTARIO, CA 91761, 91762, 91764. LEARN MORE ABOUT SEATTLE, WA Overview Cost of Living Job Market …Direct flights from Ontario to Seattle. All flights from ONT to SEA non-stop. There are direct flights from Ontario International Airport, California, USA to Seattle Tacoma International (SEA), Washington, USA every day of the week with Delta Air Lines, Alaska Airlines and Frontier Airlines.The flight distance is 962 miles and the trip usually takes …Use Google Flights to find cheap departing flights to Ontario and to track prices for specific travel dates for your next getaway.In-Flight information. The average flying time for a direct flight from Seattle, WA to Ontario is 2 hours 30 minutes. Most direct flights leave around 8:45 PDT. Alaska Airlines flight #537 is today's earliest flight from Seattle, WA to Ontario (8:45 PDT, Boeing 737-900) Alaska Airlines flight #924 is today's latest flight from Seattle, WA to ...Ontario to Seattle / Tacoma Flights. Flights from ONT to SEA are operated 32 times a week, with an average of 5 flights per day. Departure times vary between 06:00 - 21:09. The earliest flight departs at 06:00, the last flight departs at 21:09. However, this depends on the date you are flying so please check with the full flight schedule above ... All flight schedules from Seattle Tacoma International , Washington , USA to Ontario International Airport , California , USA . This route is operated by 3 airline (s), and the flight time is 2 hours and 48 minutes. The distance is 962 miles. Fly from Seattle to Ontario on Sun Country Air from $125... Search for Ontario flights on KAYAK now to find the best deal.Searching for cheap flights from Seattle to Ontario? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today.The total driving time is 35 hours, 32 minutes. Your trip begins in Seattle, Washington. It ends in Ontario, Canada. If you're planning a road trip, you might be interested in seeing the total driving distance from Seattle, WA to Ontario. You can also calculate the cost to drive from Seattle, WA to Ontario based on current local gas prices and ...Enter Your Trip Details. Enter a “ Starting Point” and “ Destination” in the trip planner. It will suggest options based on what you input. Select the option you want, as shown in the following screenshot. Now you have the option to choose how far away from your route you want the charging stations to be. Then click on "Find Routes".The CCAA Museum of Art (which stands for Chaffey Community Museum of Art) is one of the oldest organizations in the area to support the local art scene. You’ll see exhibits from nationally-recognized individuals, but also new offerings from those you aren’t familiar with. 2. Go Museum Hopping. Source: ontarioarts.org.Book flights from Seattle/Tacoma to Ontario/LA with Southwest Airlines ®. It’s easy to find the Seattle-Tacoma International Airport to Ontario International Airport flight to make your booking and travel a breeze. Whether you’re traveling for business or pleasure, solo or with the whole family, you’ll enjoy flying Southwest ®. Ontario. $1,391. Flights from Kingston, Ontario to Seattle. $699. Flights from London, Ontario to Seattle. $507. Flights from Ottawa to Seattle. Flights from Toronto Pearson Intl Airport to Seattle. $323. Find cheap fares from Las Vegas, NV (LAS) to Ontario/LA, CA (ONT) with Frontier Airlines. Enjoy unlimited savings all year with the Discount Den℠!Prices were available within the past 7 days and start at $24 for one-way flights and $43 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Looking for cheap flights to Ontario? Book now to earn airline miles in addition to our OneKeyCash rewards and receive alerts if flight prices ...3 days ago · Seattle (SEA) to. Ontario (ONT) 04/19/24 - 04/26/24. from. $501*. Updated: 5 hours ago. Round trip. I. AS 1157 Seattle to Ontario Flight Status Alaska Airlines Flight AS1157 from Seattle Tacoma International Airport SEA to Ontario International Airport ONT is not scheduled for today December 18th, 2023. The last time the flight was scheduled was on September 5th, 2023. Check the table below for AS1157's most recent flight history: AS …Popular distances from Ontario (ONT) Distance from Ontario to Seattle (Ontario International Airport – Seattle–Tacoma International Airport) is 956 miles / 1539 kilometers / 831 nautical miles. See also a map, estimated flight duration, carbon dioxide emissions and the time difference between Ontario and Seattle. The cheapest return flight ticket from Seattle to Ontario found by KAYAK users in the last 72 hours was for $78 on Frontier, followed by Delta ($177). One-way flight deals have also been found from as low as $54 on Frontier and from $89 on Alaska Airlines. Cheap Flights from Seattle Paine Field Intl. Airport to Ontario (PAE-ONT) Prices were available within the past 7 days and start at $304 for one-way flights and $514 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way . Roundtrip. Wed, May 8 - Tue, May 14. PAE. Seattle Paine Field Intl. …Cheap Flights from Portland to Ontario (PDX-ONT) Prices were available within the past 7 days and start at $34 for one-way flights and $53 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Wed, Sep 4 - Tue, Sep 10. PDX. Portland . ONT. Ontario. $53 Roundtrip, …17 hours, 51 minutes. Average driving speed: 65.5 mph. Kilometers per hour: 105.5 km/h. This is based on typical traffic conditions for this route. Seattle to Ontario drive. road …Find the best deals on flights from Seattle to Ontario, CA with Cheapflights.com. Compare prices, dates, airlines and booking tips for this popular route.Cheap flights from Seattle to Ontario (SEA - ONT) from $34. Round-trip One-way Multi-city. From? To? Thu 3/28. Thu 4/4. 1 adult. Economy. Find Your Flight. The best prices from …Halfway Point Between Seattle, WA and Ontario, CA. If you want to meet halfway between Seattle, WA and Ontario, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.435848 and -122.362793, or 40º 26' 9.0528" N, 122º 21' 46.0548" W. This location is 585.46 miles away from Seattle, WA …6 days ago · Find the best deals on flights from Seattle to Ontario, CA with Cheapflights.com. Compare prices, dates, airlines and booking tips for this popular route. Your trip begins in Ontario, California. It ends in Seattle, Washington. If you're planning a road trip, you might be interested in seeing the total driving distance from Ontario, CA to Seattle, WA. You can also calculate the cost to drive from Ontario, CA to Seattle, WA based on current local gas prices and an estimate of your car's best gas ... SEA - ONT. Find cheap flights from Seattle to Ontario from C$ 67. Return. 1 adult. Economy. 0 bags. Nonstop flights only. Thu 9/5. Thu 16/5. Search hundreds of travel … Seattle / Tacoma to Ontario Flights. Flights from SEA to ONT are operated 31 times a week, with an average of 4 flights per day. Departure times vary between 06:30 - 21:26. The earliest flight departs at 06:30, the last flight departs at 21:26. However, this depends on the date you are flying so please check with the full flight schedule above ... The total driving distance from Seattle, WA to Ontario, CA is 1,170 miles or 1 883 kilometers. The total straight line flight distance from Seattle, WA to Ontario, CA is 966 miles. This is equivalent to 1 554 kilometers or 839 nautical miles. Your trip begins in Seattle, Washington. It ends in Ontario, California. Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.Renew your products online. Over 55 services are available online making it fast, easy, and convenient to renew now. Here are some of our top online services, renew: your licence plate. your driver’s licence. an accessible parking permit. an Ontario Photo Card. your health card.Popular distances from Ontario (ONT) Distance from Ontario to Seattle (Ontario International Airport – Seattle–Tacoma International Airport) is 956 miles / 1539 kilometers / 831 nautical miles. See also a map, estimated flight duration, carbon dioxide emissions and the time difference between Ontario and Seattle.Find United Airlines cheap flights from Medford to Ontario. Enjoy a Medford to Ontario modern flight experience in premium cabins with Wi-Fi. Skip to content-Skip to footer. HELP SEARCH United States-English keyboard_arrow_down. Book My Trip Travel info MileagePlus® Program Deals Help. United flights from Medford to Ontario from $ 258 * … Find and book flights from Seattle (SEA) to Ontario (ONT) starting at CA $93 for one-way and CA $106 for round trip. Compare prices, dates, airlines and earn rewards with Expedia.ca. Please select from the following options. Calculate Postcard price. View Flat Rate Envelopes. View Flat Rate Boxes. Calculate price based on Shape and Size. The calculation of flight time is based on the straight line distance from Ontario, CA to Seattle, WA ("as the crow flies"), which is about 966 miles or 1 554 kilometers. Your trip begins in Ontario, California. It ends in Seattle, Washington. Your flight direction from Ontario, CA to Seattle, WA is North (-13 degrees from North). Prices were available within the past 7 days and start at $84 for one-way flights and $151 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Wed, Jun 12 - Wed, Jun 12. SEA. Seattle.Cheap Flights from Seattle Paine Field Intl. Airport to Ontario (PAE-ONT) Prices were available within the past 7 days and start at $304 for one-way flights and $514 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way . Roundtrip. Wed, May 8 - Tue, May 14. PAE. Seattle Paine Field Intl. …Your trip begins in Ontario, California. It ends in Seattle, Washington. If you're planning a road trip, you might be interested in seeing the total driving distance from Ontario, CA to Seattle, WA. You can also calculate the cost to drive from Ontario, CA to Seattle, WA based on current local gas prices and an estimate of your car's best gas ...Ontario, CA (ONT) Ontario International Airport . Things to know before you go . Terminal Location. Terminal 2. Recommended Arrival Time. 2 hours prior to departure. Ticket Counter Hours. 8:00pm - 11:30pm. TSA Security Checkpoint. 3:45am - 12:50am. Baggage Service Office. Central Baggage Services: 1-866-538-5438. Unaccompanied Minors . Drop-off …Use Google Flights to find cheap departing flights to Ontario and to track prices for specific travel dates for your next getaway.Our data shows that the cheapest route for a one-way flight from Seattle to Toronto cost C$ 337 and was between Seattle and Toronto Pearson Intl Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is C$ 352.Search Deals. Currently, October is the cheapest month in which you can book a flight from London, Ontario to Seattle (average of C$ 301). Flying from London, Ontario to Seattle in August is currently the most expensive (average of C$ 432). There are several factors that can impact the price of a flight, so comparing airlines, departure ...Airfares from $69 One Way, $137 Round Trip from Seattle to Ontario. Prices starting at $137 for return flights and $69 for one-way flights to Ontario were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Wed, May 1 - Tue, May 7.Cheap Alaska Airlines flights from Seattle to California. Some of the best deals we've found on Alaska Airlines flights traveling from Seattle to California. Ensure the flight price, dates, time, and airline match your criteria before you book. Tue 6/11 9:35 pm SEA - SFO. Nonstop 2h 09m Alaska Airlines. Tue 7/2 7:05 am SFO - SEA.The flight time from Seattle, Washington to Ontario, California is: 2 hours, 10 minutes. In-air flight time: 2 hours, 10 minutes. From gate to gate: 2 hours, 29 minutes. Constant 500 …Halfway Point Between Seattle, WA and Ontario, CA. If you want to meet halfway between Seattle, WA and Ontario, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.435848 and -122.362793, or 40º 26' 9.0528" N, 122º 21' 46.0548" W. This location is 585.46 miles away from Seattle, WA … Compare flight deals to Ontario from Seattle from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys. Flex your dates to find the best Seattle–Ontario ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to ... ONT. Ontario , CA. Distance. 962 miles · (1548 km) CHANGE DIRECTION. Flight time. 2 hours and 48 minutes. Airlines with direct flights from Seattle (SEA) to Ontario (ONT) … Best site for finding today’s lowest flight prices, unadvertised fare sales, and mistake prices. Updated daily. Find the best price before you book your trip to Ontario, CA (ONT). 08/10/24 - 08/14/24. from. $ 274*. Viewed: 1 day ago. From. Ontario (ONT) To. Seattle (SEA) Roundtrip. Direct flights from Ontario to Seattle. All flights from ONT to SEA non-stop. There are direct flights from Ontario International Airport, California, USA to Seattle Tacoma International (SEA), Washington, USA every day of the week with Delta Air Lines, Alaska Airlines and Frontier Airlines.The flight distance is 962 miles and the trip usually takes …Mar 12, 2024 · 1 airport. The best one-way flight to Ontario from Seattle in the past 72 hours is $40. The best round-trip flight deal from Seattle to Ontario found on momondo in the last 72 hours is $100. The fastest flight from Seattle to Ontario takes 2h 27m. Direct flights go from Seattle to Ontario every day. Named for the Canadian hometown of two 19th century engineers who first developed the area for urban living, Ontario is known as the "gateway to southern California." Resting 35 miles east of downtown Los Angeles, popular attractions like Disneyland and the mountain retreats of Lake Arrowhead and Big Bear are all within reach of Ontario. In the city, walk …Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.Please select from the following options. Calculate Postcard price. View Flat Rate Envelopes. View Flat Rate Boxes. Calculate price based on Shape and Size. Best Flights from Seattle to Ontario Today. Take a look at the list of non stop flights and flights with layovers from Seattle to Ontario with the lowest price of $79. The fastest direct flight takes 2h 38m and the fastest connecting – 3h 54m. Price. Departure. Seattle / Tacoma to Ontario Flights. Flights from SEA to ONT are operated 31 times a week, with an average of 4 flights per day. Departure times vary between 06:30 - 21:26. The earliest flight departs at 06:30, the last flight departs at 21:26. However, this depends on the date you are flying so please check with the full flight schedule above ... Users in need of a round-trip flight from Seattle to Ontario instead should update the search form at the top of page. mié. 5/29 9:35 am SEA - YYZ. 2 stops 17h 37m Multiple Airlines. Deal found 4/17 $194. Pick Dates. Cheap Flights from Seattle to Toronto (SEA-YYZ) Prices were available within the past 7 days and start at $194 for one-way flights and $422 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Toronto with no change fee on selected flights. Use Google Flights to find cheap departing flights to Ontario and to track prices for specific travel dates for your next getaway.Find United Airlines cheap flights from Medford to Ontario. Enjoy a Medford to Ontario modern flight experience in premium cabins with Wi-Fi. Skip to content-Skip to footer. HELP SEARCH United States-English keyboard_arrow_down. Book My Trip Travel info MileagePlus® Program Deals Help. United flights from Medford to Ontario from $ 258 * … The total driving distance from Seattle, WA to Ontario, CA is 1,170 miles or 1 883 kilometers. The total straight line flight distance from Seattle, WA to Ontario, CA is 966 miles. This is equivalent to 1 554 kilometers or 839 nautical miles. Your trip begins in Seattle, Washington. It ends in Ontario, California. Enter Your Trip Details. Enter a “ Starting Point” and “ Destination” in the trip planner. It will suggest options based on what you input. Select the option you want, as shown in the following screenshot. Now you have the option to choose how far away from your route you want the charging stations to be. Then click on "Find Routes".Please select from the following options. Calculate Postcard price. View Flat Rate Envelopes. View Flat Rate Boxes. Calculate price based on Shape and Size.Enter Your Trip Details. Enter a “ Starting Point” and “ Destination” in the trip planner. It will suggest options based on what you input. Select the option you want, as shown in the following screenshot. Now you have the option to choose how far away from your route you want the charging stations to be. Then click on "Find Routes".Facts About Flying to Ontario, California §. The percentage of Ontario travelers over the age of 35 was 56%.; The percentage of Ontario travelers over the age of 60 was 18%.; The percentage of Ontario travelers who booked First or Business Class Class was 3%.; The percentage of Ontario travelers who traveled with kids under 14 was 5%.; The …Compare Seattle WA Cost of Living vs Ontario CA Cost of Living: Taxes, Childcare, Groceries, Health... Compare Now. ZIPS IN SEATTLE, WA 98115, 98103, 98133, 98105, 98118, 98125, 98122, 98117, 98144, 98109, 28 total ZIPS IN ONTARIO, CA 91761, 91762, 91764. LEARN MORE ABOUT SEATTLE, WA Overview Cost of Living Job Market …For a quicker trip, book one of these direct flights from California to Seattle. Users seeking other options on flights from California to Seattle should update the search form at the top of the page. Thu 5/16 10:39 am ONT - SEA. Nonstop 2h 53m Frontier. Sun 5/19 2:25 pm SEA - ONT. Nonstop 2h 44m Frontier.Use Google Flights to find cheap departing flights to Ontario and to track prices for specific travel dates for your next getaway.What companies run services between Ontario, CA, USA and Seattle, WA, USA? Alaska Airlines, Inc., Frontier Airlines and three other airlines fly from Ontario to Seattle hourly. Alternatively, you can take a bus from Ontario to Seattle via Pomona Transit Center, Patsaouras Plaza Busway Station W, Los Angeles Union Station, and Sacramento Bus ...Cheap Flights from SEA to ONT starting at $39 One Way, $78 Round Trip. Prices starting at $78 for return flights and $39 for one-way flights to Los Angeles - Ontario Intl. were the …
Find some of the cheapest Alaska Airlines flights travelling from Seattle to Toronto. Come back soon if you're not finding the exact deal you're looking for. Tue 28/5 6:50 a.m. SEA - YYZ. Nonstop 4h 40m Alaska Airlines. Wed 5/6 3:40 p.m. YYZ - SEA.. Dusted charm
$104 Cheap United flights Seattle (SEA) to Ontario (ONT) Prices were available within the past 7 days and start at $104 for one-way flights and $193 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Tue, Aug 20 - Sat, Aug 24 . SEA. Seattle. ONT. Ontario. $193 …Find the best deals on flights from Seattle to Ontario, CA with Cheapflights.com. Compare prices, dates, airlines and booking tips for this popular route.Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to anywhere in the world.The Gateway to Southern California. Just east of Los Angeles, head to Ontario to experience a little bit of that hustle and bustle of LA with a laid-back vibe. With a vibrant music scene, a huge art scene and a wide variety of foreign restaurants, Ontario is a great place to visit. Fly more and save even more when you travel to Ontario/LA, CA ...ASA1118. B739. Arrived / Gate Arrival. Mon 02:17PM PDT. 04:49PM PDT Mon. Seattle-Tacoma Intl (KSEA) - Ontario Intl (KONT) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination.How far is it between Seattle and Ontario. Seattle is located in United States with (47.6062,-122.3321) coordinates and Ontario is located in Canada with (34.0633,-117.6509) coordinates. The calculated flying distance from Seattle to Ontario is equal to 967 miles which is equal to 1556 km.. If you want to go by car, the driving distance between Seattle … In-Flight information. The average flying time for a direct flight from Seattle, WA to Ontario is 2 hours 30 minutes. Most direct flights leave around 8:45 PDT. Alaska Airlines flight #537 is today's earliest flight from Seattle, WA to Ontario (8:45 PDT, Boeing 737-900) Alaska Airlines flight #924 is today's latest flight from Seattle, WA to ... In-Flight information. The average flying time for a direct flight from Seattle, WA to Ontario is 2 hours 30 minutes. Most direct flights leave around 8:45 PDT. Alaska Airlines flight #537 is today's earliest flight from Seattle, WA to Ontario (8:45 PDT, Boeing 737-900) Alaska Airlines flight #924 is today's latest flight from Seattle, WA to ...Cheap Flights from Seattle to San Diego (SEA-SAN) Prices were available within the past 7 days and start at $50 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Mon, May 13 - Tue, May 14. SEA. Seattle . SAN. San Diego. $100 Roundtrip, … Seattle/Tacoma, WA to Ontario/LA, CA. departing on 10/31. Book now. Book flights from Seattle/Tacoma to Ontario/LA with Southwest Airlines®. Bundle your flight with a hotel or rental car booking and find even more savings. Best site for finding today’s lowest flight prices, unadvertised fare sales, and mistake prices. Updated daily. Find the best price before you book your trip to Ontario, CA (ONT). .