Explore your options and book your Ontario/LA to Seattle/Tacoma flight with Southwest today. When you fly Southwest . Two bags fly free ® 1. No change 2 and no cancel fees 3. Flight credits don't expire 4. Free entertainment 5,6 and $8 Internet 7. Low fare alert. Ontario/LA, CA to Seattle/Tacoma, WA. departing on 7/27. one-way starting at* $158. …One Way Flights vs Round Trip Flights from Seattle to Ontario, California . We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Seattle to Ontario, California. However, booking a round trip flight ... The total driving distance from Seattle, WA to Ontario, CA is 1,170 miles or 1 883 kilometers. Your trip begins in Seattle, Washington. It ends in Ontario, California. If you are planning a road trip, you might also want to calculate the total driving time from Seattle, WA to Ontario, CA so you can see when you'll arrive at your destination. One Way Flights vs Round Trip Flights from Seattle to Ontario, California . We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Seattle to Ontario, California. However, booking a round trip flight ...drive for about 2.5 hours. 5:01 pm Santa Barbara. stay for about 4 hours. and leave at 9:01 pm. drive for about 2.5 hours. 11:31 pm arrive in Ontario. day 3 driving ≈ 9 hours. find more stops. Recommended videos.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. 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. 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 ... 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. Cheap flights from Ontario (ONT) to Seattle (SEA) Prices were available within the past 7 days and start at CA $106 for one-way flights and CA $106 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Ontario to Seattle with no change fee on selected ... The total driving distance from Seattle, WA to Ontario, CA is 1,170 miles or 1 883 kilometers. Your trip begins in Seattle, Washington. It ends in Ontario, California. If you are planning a road trip, you might also want to calculate the total driving time from Seattle, WA to Ontario, CA so you can see when you'll arrive at your destination. Fly Air Canada, voted "Best Airline in North America" by Skytrax and Global Traveler Magazine. Book your Seattle to Toronto flight today. Skip to content-Skip to footer United States-English keyboard_arrow_down. Travel with Air Canada from Seattle to Toronto (SEA - YYZ) from USD 278* Book with cash. arrow_drop_down. Round-trip. …Get all the information (schedule, fares, stations) to plan your train trip in Canada and book your tickets.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 ($177). One-way flight deals have …If you happen to know Seattle, don't forget to help other travelers and answer some questions about Seattle! View questions about Seattle. Get a quick answer: It's 1,170 miles or 1883 km from Seattle to Ontario, which takes about 17 hours, 51 minutes to drive.C$ 2,446. Flights from Kingston, Ontario to Seattle. C$ 777. Flights from London, Ontario to Seattle. C$ 692. Flights from Ottawa to Seattle. C$ 1,088. Flights from Sault Ste Marie to Seattle. View more.9:00 am leave from Saint Regis. drive for about 4 hours. 12:53 pm Bozeman. stay for about 1 hour. and leave at 1:53 pm. drive for about 6.5 hours. 8:13 pm Theodore Roosevelt National Park. stay overnight and leave the next day around 11:00 am. day 2 driving ≈ 10 hours.Get all the information (schedule, fares, stations) to plan your train trip in Canada and book your tickets.Flight Arrivals information at Ontario Airport (ONT): Status and Estimated times - Today ... Seattle (SEA) 09:28 pm AS1088. QR2105. Alaska Airlines. Qatar Airways . 2. Terminal 2. Landed - On-time [+] Salt Lake City (SLC) 09:37 pm DL1628. AM3463. KL6678. VS3583. Delta Air Lines. Aeromexico . KLM Royal Dutch Airlines . Virgin Atlantic . 2. Terminal 2. … The best city between Ontario, CA and Seattle, WA to meet is Project City, California. The closest zip code to the midpoint is 96079. The exact latitude and longitude coordinates are 40° 40' 54" N and 122° 20' 51" W. The closest major city that is roughly halfway is Sacramento, CA. The total driving distance from Ontario, CA to Seattle, WA is ... 1:00 am 01:00 in Seattle, WA, USA is 4:00 pm 16:00 in Manila, Philippines and is 6:00 pm 18:00 in Sydney, Australia and is 4:00 am 04:00 in Ottawa, Canada and is 1:00 am 01:00 in Ontario, CA, USA. Seattle to Manila call time Best time for a conference call or a meeting is between 5:30am-7:30am in Seattle which corresponds to 8:30pm-10:30pm in ...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 …Track Alaska Airlines (AS) #1118 flight from Seattle-Tacoma Intl to Ontario Intl Flight status, tracking, and historical data for Alaska Airlines 1118 (AS1118/ASA1118) including scheduled, estimated, and actual departure and arrival times. 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. Book your Amtrak train and bus tickets today by choosing from over 30 U.S. train routes and 500 destinations in North America.Cheap flights from Seattle to Ontario (SEA - ONT) from $34. Round-trip One-way Multi-city. From? To? Thu 3/28. Thu 4/4. 1 adult. Economy. Find Your Flight. The best prices from … The total driving distance from Seattle, WA to Ontario, CA is 1,170 miles or 1 883 kilometers. The total straight line flight distance from Seattle, WA to Ontario, CA is 966 miles. This is equivalent to 1 554 kilometers or 839 nautical miles. Your trip begins in Seattle, Washington. It ends in Ontario, California. What companies run services between Seattle, WA, USA and Ontario, CA, USA? Alaska Airlines, Inc., Delta and two other airlines fly from Seattle to Ontario hourly. Alternatively, you can take a bus from Seattle to Ontario via Sacramento Bus Station, Bakersfield Train Station, and Bakersfield in around 27h 20m. Airlines. Our data shows that the cheapest route for a one-way flight from Seattle to Toronto cost C$ 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.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.Top cities between Seattle and Toronto. The top cities between Seattle and Toronto are Chicago, Yellowstone National Park, Milwaukee, Detroit, Wisconsin Dells, Custer, Rapid City, Madison, Bloomington, and Erie. Chicago is the most popular city on the route. It's 30 hours from Seattle and 8 hours from Toronto.The flight time from Ontario to Seattle is 2 hours, 39 minutes. The time spent in the air is 2 hours, 13 minutes. These numbers are averages. In reality, it varies by airline with Alaska being the fastest taking 2 hours, 38 minutes, and Delta the slowest taking 2 …Ontario, California. Train Station - Platform only (no shelter) 198 East Emporia Street. Ontario, CA 91764. Directions. Developed as a model colony by four brothers from Ontario, Canada, the town is known for its All-States Picnic, which celebrates the origins of the town’s original settlers. 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. Where Locals Go. Cucamonga-Guasti Regional Park. 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 … 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 Ontario (ONT) to Seattle (SEA) Prices were available within the past 7 days and start at CA $106 for one-way flights and CA $106 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Ontario to Seattle with no change fee on selected ...If you happen to know Seattle, don't forget to help other travelers and answer some questions about Seattle! View questions about Seattle. Get a quick answer: It's 1,170 miles or 1883 km from Seattle to Ontario, which takes about 17 hours, 51 minutes to drive.Fly Air Canada, voted "Best Airline in North America" by Skytrax and Global Traveler Magazine. Book your Toronto to Seattle flight today. Skip to content-Skip to footer. language Canada-English keyboard_arrow_down. Travel with Air Canada from Toronto to Seattle (YYZ - SEA) from CAD 359* Book with cash. arrow_drop_down. Round-trip. …Apr 28, 2024 · Searching for cheap flights from Ontario to Seattle? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. 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.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℠!The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $182 round trip and $99 one way. Prices and availability subject to change. Additional terms may apply. Fri, Feb 16 - Sun, Feb 18.Amazing ONT to SEA Flight Deals. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $68 round trip and $34 one way. Prices and availability subject to change. Additional terms may apply. Sat, May 18 - Wed, May 22. ONT.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 ... This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Ontario departing on 14/5. Fares are subject to change and may not be available on all flights or dates of travel. Toll-free: 1-800-361-3223. TTY: 416-325-3408. Toll-free TTY: 1-800-268-7095. Updated: April 22, 2024. Published: July 13, 2020. The Ontario Business Registry allows businesses and not-for-profit corporations to complete over 90 transactions online, including registering, incorporating, and updating their information.Flights from Ontario to Seattle. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Ontario to Seattle. These results are based on the actual driving distance from Ontario, CA to Seattle, WA, which is 1,170 miles or 1 883 kilometers. Your trip begins in Ontario, California. The price of regular gas is currently averaging $5.30 in California. Your trip ends in Seattle, Washington. The price of regular gas is around $5.07 in Washington. Vancouver to Toronto distance (YVR–YYZ) Anchorage to Seattle distance (ANC–SEA) London to Sydney distance (LHR–SYD) Air Miles Calculator helps you calculate how many miles it is from one airport to another and provides a map, estimated flight time, time difference between cities, and estimated CO2 emissions.01:10PM PDT San Diego Intl - SAN. 04:07PM PDT Seattle-Tacoma Intl - SEA. B739. 2h 57m. Join FlightAware View more flight history Purchase entire flight history for ASA1157. Get Alerts. Seattle/Tacoma, WA to Ontario/LA, CA. departing on 10/31. Book now. Book flights from Seattle/Tacoma to Ontario/LA with Southwest Airlines®. Bundle your flight with a hotel or rental car booking and find even more savings. C$ 2,446. Flights from Kingston, Ontario to Seattle. C$ 777. Flights from London, Ontario to Seattle. C$ 692. Flights from Ottawa to Seattle. C$ 1,088. Flights from Sault Ste Marie to Seattle. View more.Vehicles under 20 feet cost 67.40 Canadian dollars, or about $49, each way. But that cost doesn't include the driver or any other passengers. Adult fares are 19.10 …Driving distance from Seattle, WA to Ontario, CA is 1173 miles (1887 km). How far is it from Seattle, WA to Ontario, CA? It's a 19 hours 19 minutes drive by car. Flight distance is approximately 967 miles (1556 km) and flight time from Seattle, WA to Ontario, CA is 01 hours 56 minutes.Don't forget to check out our "Gas cost calculator" option.Calculate Time and Cost. Quickly get estimated shipping quotes for our global package delivery services. Provide the origin, destination, and weight of your shipment to compare service details then sort your results by time or cost to find the most cost-effective shipping service. Log in and select a UPS account to receive the most accurate ...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 average price for a train ticket from Seattle to Ontario is $128.00, Tickets are generally pricier for this train route, which is to be expected given the long distance. By booking your trip at least 25 days in advance, you increase your chances of scoring even cheaper tickets. But if you wait until the day of your trip to book tickets ...Our data shows that the cheapest route for a one-way flight from Seattle to Toronto cost C$ 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.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℠!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 * …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 $422 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Toronto with no change fee on selected flights.SEA - ONT. Find cheap flights from Seattle to Ontario from C$ 67. Return. 1 adult. Economy. 0 bags. Nonstop flights only. Thu 9/5. Thu 16/5. Search hundreds of travel … Prices starting at $78 for return flights and $39 for one-way flights to Los Angeles - Ontario Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Sat, May 18 - Tue, May 21. SEA. 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 ... 1 day ago · Searching for cheap flights from Seattle to Ontario? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. What companies run services between Seattle, WA, USA and Ontario, CA, USA? Alaska Airlines, Inc., Delta and two other airlines fly from Seattle to Ontario hourly. Alternatively, you can take a bus from Seattle to Ontario via Sacramento Bus Station, Bakersfield Train Station, and Bakersfield in around 27h 20m. Airlines. Flights from Seattle, WA to Ontario, CA cover the 964 miles (1555 km) long route taking on average 2 h 42 min with our travel partners like Alaska Airlines or United. …Get all the information (schedule, fares, stations) to plan your train trip in Canada and book your tickets.Please select from the following options. Calculate Postcard price. View Flat Rate Envelopes. View Flat Rate Boxes. Calculate price based on Shape and Size.AS1134 and Seattle SEA to Ontario ONT Flights. Flight AS1134 is code-shared by 1 airline using the flight number QR2124. Other flights departing from Seattle SEA: DL415, AS360, AS536, AS636. Other flights arriving at Ontario ONT: F92735, F91499, 5Y3857, 8C3578. All flights connecting Seattle SEA to Ontario ONT. Connecting flights between Ontario, CA and Seattle, WA. Here is a list of connecting flights from Ontario, California to Seattle, Washington. This can help you find a one-stop flight with the shortest layover time. We found a total of 16 flights to Seattle, WA with one connection: Airline routes; Alaska Airlines LAX to PDX to SEA 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 ...The best city between Ontario, CA and Seattle, WA to meet is Project City, California. The closest zip code to the midpoint is 96079. The exact latitude and longitude coordinates are 40° 40' 54" N and 122° 20' 51" W. The closest major city that is roughly halfway is Sacramento, CA. The total driving distance from Ontario, CA to Seattle, WA is ... Seattle to Ontario, California Airports . These are the major commercial airports we're currently monitoring in Seattle and Ontario, California. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport. Seattle - Tacoma (Sea-Tac) (SEA) Seattle Boeing Field - King (BFI ... Cheap Flights from SEA to ONT starting at $39 One Way, $78 Round Trip. Prices starting at $78 for return flights and $39 for one-way flights to Los Angeles - Ontario Intl. were the … drive for about 2.5 hours. 5:01 pm Santa Barbara. stay for about 4 hours. and leave at 9:01 pm. drive for about 2.5 hours. 11:31 pm arrive in Ontario. day 3 driving ≈ 9 hours. find more stops. Recommended videos. In-Flight information. The average flying time for a direct flight from Seattle, WA to Ontario is 2 hours 30 minutes. Most direct flights leave around 8:45 PDT. Alaska Airlines flight #537 is today's earliest flight from Seattle, WA to Ontario (8:45 PDT, Boeing 737-900) Alaska Airlines flight #924 is today's latest flight from Seattle, WA to ... Popular distances from Ontario (ONT) Distance from Ontario to Seattle (Ontario International Airport – Seattle–Tacoma International Airport) is 956 miles / 1539 kilometers / 831 nautical miles. See also a map, estimated flight duration, carbon dioxide emissions and the time difference between Ontario and Seattle.
Halfway Point Between Seattle, WA and Ontario, CA. If you want to meet halfway between Seattle, WA and Ontario, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.435848 and -122.362793, or 40º 26' 9.0528" N, 122º 21' 46.0548" W. This location is 585.46 miles away from Seattle, WA …. Texas lotto scratch off tickets
C$ 2,446. Flights from Kingston, Ontario to Seattle. C$ 777. Flights from London, Ontario to Seattle. C$ 692. Flights from Ottawa to Seattle. C$ 1,088. Flights from Sault Ste Marie to Seattle. View more.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.Top tips for finding cheap flights to California. Looking for a cheap flight? 25% of our users found tickets from Seattle to the following destinations at these prices or less: Los Angeles $133 one-way - $261 round-trip; San Francisco $120 one-way - $246 round-trip.Take a look at some of the best available options we've come across on one-way flights from Seattle to Ontario. Users needing a return flight from Seattle to Ontario should utilize the search form above. Wed 8/5 3:23 p.m. SEA - ONT. Nonstop 2h 39m Delta. Deal found 18/4 C$ 123.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 …AA1820 Flight Tracker - Track the real-time flight status of American Airlines AA 1820 live using the FlightStats Global Flight Tracker. See if your flight has been delayed or cancelled and track the live position on a map.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 …Calculate Time and Cost. Quickly get estimated shipping quotes for our global package delivery services. Provide the origin, destination, and weight of your shipment to compare service details then sort your results by time or cost to find the most cost-effective shipping service. Log in and select a UPS account to receive the most accurate ...1 day ago · Searching for cheap flights from Seattle to Ontario? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. 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.️ Use the interactive calendar available on Expedia to see the cheapest Alaska Airlines (Seattle SEA - Los Angeles ONT) ticket prices during the weeks surrounding your travel dates. Compare flight prices for similar timeframes and adjust departure and return dates to get the cheapest fare possible. The lowest-priced days are highlighted in green.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 …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 …14:19. Virgin Atlantic / Operated by SkyWest Airlines on behalf of Delta Air Lines 3995. (ONT to SEA) Track the current status of flights departing from (ONT) Ontario International Airport and arriving in (SEA) Seattle-Tacoma International Airport.On average, a flight to Ontario costs $139. The cheapest price found on KAYAK in the last 2 weeks cost $19 and departed from Phoenix Sky Harbor Intl Airport. The most popular routes on KAYAK are San Francisco to Ontario which costs $115 on average, and Seattle to Ontario, which costs $221 on average. See prices from:Fly from Seattle to Ontario on Sun Country Air from $125... Search for Ontario flights on KAYAK now to find the best deal.Flights from Ontario to Seattle. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Ontario to Seattle.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 ….