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 …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.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. 08/10/24 - 08/14/24. from. $ 274*. Viewed: 1 day ago. From. Ontario (ONT) To. Seattle (SEA) Roundtrip. Searching for cheap flights from Seattle to Ontario? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today.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".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. …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. …Find United Airlines cheap flights from Ontario to Seattle. Enjoy a Ontario to Seattle 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 Ontario to Seattle from $ 193 * …China Airlines. 5 News/Travel Alerts. ONLINE ARRIVAL CARD saves your time ! 2024-04-22. Notice of Temporary Suspension of Services at Our San Francisco VIP Lounge Due to Renovation. 2024-03-29. Adjustments on seat selection fee of CI/AE international sectors. 2024-03-12. Please beware of scams via phone calls or e-mails. 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 Monthly average prices. $225 $180 $135 $90 $45 M J J A S O N D J F M A. Ticket prices for the train from Ontario to Seattle often fluctuate based on the time of year. For the best prices on this route, book in August when the average ticket price is only $153. If you're thinking of traveling from Ontario to Seattle during November, keep in mind ...Deal found 4/17 $387. Pick Dates. Alaska Airlines is one of the most popular airlines used for those traveling from Ontario to Seattle. Flights on this route from Alaska Airlines typically cost $218.72 RT, a price that is 97% cheaper than the average Ontario to Seattle flight. The cheapest flight found was $90 RT.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.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. Your trip begins in Seattle, Washington. It ends in Ontario, California. If you're planning a road trip, you might be interested in seeing the total driving distance from Seattle, WA to Ontario, CA. You can also calculate the cost to drive from Seattle, WA to Ontario, CA based on current local gas prices and an estimate of your car's best gas ... Compare flight deals to Seattle from Ontario from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seattle start from $33 one-way. Flex your dates to find the best ONT–SEA ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day …City: Ontario/LA. State: California. Terminal 4. Gates 403-407. Cities with weekly flights to ONT. 108 *. Cities with daily nonstop flights Monday through Friday to ONT. 10 †. Cities with daily nonstop flights Saturday through Sunday to ONT. 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. Drive • 19h 31m. Drive from Seattle Airport (SEA) to Ontario 1164.4 miles. $210 - $310. Quickest way to get there Cheapest option Distance between. Our data shows that the cheapest route for a one-way flight from Seattle to Toronto cost C$ 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. 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. The total driving distance from Ontario, CA to Seattle, WA is 1,170 miles or 1 883 kilometers. Your trip begins in Ontario, California. It ends in Seattle, Washington. If you are planning a road trip, you might also want to calculate the total driving time from Ontario, CA to Seattle, WA so you can see when you'll arrive at your destination.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, …Book your air tickets with us and, at CheapOair you can also choose from an extensive list of airlines flying on the route. Also, if you have to take flight immediately due to any emergency, you should explore last minute flight deals from Seattle to Redding. Book your plane tickets now! Try to book your flight at least 21 days in advance in ...3 days ago · Seattle (SEA) to. Ontario (ONT) 04/19/24 - 04/26/24. from. $501*. Updated: 5 hours ago. Round trip. I. Book your Amtrak train and bus tickets today by choosing from over 30 U.S. train routes and 500 destinations in North America. 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 ... 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. 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. 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. …China Airlines. 5 News/Travel Alerts. ONLINE ARRIVAL CARD saves your time ! 2024-04-22. Notice of Temporary Suspension of Services at Our San Francisco VIP Lounge Due to Renovation. 2024-03-29. Adjustments on seat selection fee of CI/AE international sectors. 2024-03-12. Please beware of scams via phone calls or e-mails.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.Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.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.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℠!Currently, October is the cheapest month in which you can book a flight to Ontario (average of $237). Flying to Ontario in June will prove the most costly (average of $346). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.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 …Select Frontier Airlines flight, departing Mon., May 20 from Seattle to Ontario, returning Wed., May 22, priced at CA $106 found 5 days ago Sat., May 18 - Tue., May 21 SEAOne-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 …The cheapest plane ticket found by our users is $68. This airfare is for economy class on one-way AA1224 flight by American Airlines for August 27, 2020 which leaves Ontario Int. in Ontario at 08:30 am and arrives at Seattle Seattle …Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight.Flights from Seattle to Ontario/San Bernardino via Las Vegas Ave. Duration 5h 11m When Monday to Saturday Estimated price $190 - $460 Flights from Seattle to Ontario/San Bernardino via Sacramento Ave. Duration 5h 15m When Monday, Thursday, Friday and Saturday Estimated price $180 - $440 Flight distance: 966 miles or 1554 km. Flight time: 2 hours, 10 minutes. Compare this to a whole day of commercial travel with the airports and waiting in line for security, which ends up taking a total of 7 hours, 44 minutes. Flying private is roughly 3.9x faster, and saves you about 5.5 hours in your total travel time. Find cheap flights from Seattle to Ontario from C$ 166. Return. 1 adult. Economy. 0 bags. sáb. 18/5. sáb. 25/5. Search. Nonstop flights only. Search hundreds of travel sites at … Flights between Seattle, WA and Ontario, CA starting at £43. Choose between Alaska Airlines, Frontier Airlines, or Spirit Airlines to find the best price. Search, compare, and book flights, trains, and buses. Tue, Jun 4 YYZ – SEA with Flair Airlines. 1 stop. from C$478. Toronto.C$497 per passenger.Departing Wed, Jun 12, returning Sat, Jun 15.Round-trip flight with Spirit Airlines and Flair Airlines.Outbound indirect flight with Spirit Airlines, departing from Seattle / Tacoma International on Wed, Jun 12, arriving in Toronto Pearson International ... Your trip begins in Ontario, California. It ends in Seattle, Washington. If you're planning a road trip, you might be interested in seeing the total driving distance from Ontario, CA to Seattle, WA. You can also calculate the cost to drive from Ontario, CA to Seattle, WA based on current local gas prices and an estimate of your car's best gas ... How far is Ontario, CA, from Seattle, WA? The distance between Seattle (Seattle–Tacoma International Airport) and Ontario (Ontario International Airport) is 956 miles / 1539 kilometers / 831 nautical miles. The driving distance from Seattle (SEA) to Ontario (ONT) is 1160 miles / 1867 kilometers, and travel time by car is about 21 hours 56 ...Search Deals. Currently, October is the cheapest month in which you can book a flight from London, Ontario to Seattle (average of C$ 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 ...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 ... 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. 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 two airlines most popular with KAYAK users for flights from Seattle to Toronto are Alaska Airlines and Delta. With an average price for the route of $346 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $591 and an overall rating of 8.0. Ontario. $1,391. Flights from Kingston, Ontario to Seattle. $656. Flights from London, Ontario to Seattle. $505. Flights from Ottawa to Seattle. Flights from Toronto Pearson Intl Airport to Seattle. $311. Flights between Seattle, WA and Ontario, CA starting at $55. Choose between Alaska Airlines, Frontier Airlines, or Spirit Airlines to find the best price. Search, compare, and book flights, trains, and buses. Get all the information (schedule, fares, stations) to plan your train trip in Canada and book your tickets. 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. 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 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 ...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.Find $11 Cheap Flights to Ontario, CA (ONT). No hidden fees. Search, compare, and find the best prices in eDrems USA! ... Flights from Seattle to Ontario, CA. $46 $45. Prime price per passenger. Flights from Indianapolis, IN to Ontario, CA. $47 $46. Prime price per passenger. Flights from Orlando to Ontario, CA. $48 $47. Prime price per passenger. …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 …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.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. 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. 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).Halfway Point Between Ontario, CA and Seattle, WA. If you want to meet halfway between Ontario, CA and Seattle, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.470268 and -122.367645, or 40º 28' 12.9648" N, 122º 22' 3.522" W. This location is 585.21 miles away from Ontario, CA and …There are 5 non-stop flights from Ontario, California to Seattle, Washington. Alaska Airlines. American Airlines. Delta Air Lines. United Airlines. See the full list of airline routes and airports to book your trip. You may need to drive to a nearby airport to get a direct flight. Use the form below to search for cheap airline 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$ 352.1 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. 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.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.There are 3 airlines that fly nonstop from Seattle to San Francisco. They are: Alaska Airlines, Delta and United Airlines. The cheapest price of all airlines flying this route was found with Delta at $78 for a one-way flight. On average, the … The two airlines most popular with KAYAK users for flights from Seattle to Toronto are Alaska Airlines and Delta. With an average price for the route of $346 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $591 and an overall rating of 8.0. 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. …Fly from Seattle to Ontario on Sun Country Air from $125... Search for Ontario flights on KAYAK now to find the best deal.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 ...Drive • 19h 31m. Drive from Seattle Airport (SEA) to Ontario 1164.4 miles. $210 - $310. Quickest way to get there Cheapest option Distance between.Compare Seattle WA Cost of Living vs Ontario CA Cost of Living: Taxes, Childcare, Groceries, Health... Compare Now. ZIPS IN SEATTLE, WA 98115, 98103, 98133, 98105, 98118, 98125, 98122, 98117, 98144, 98109, 28 total ZIPS IN ONTARIO, CA 91761, 91762, 91764. LEARN MORE ABOUT SEATTLE, WA Overview Cost of Living Job Market …Fly Air Canada, voted "Best Airline in North America" by Skytrax and Global Traveler Magazine. Book your Seattle to Toronto flight today. Skip to content-Skip to footer. language Canada-English keyboard_arrow_down. Travel with Air Canada from Seattle to Toronto (SEA - YYZ) from CAD 395* Book with cash. arrow_drop_down. Round-trip. …These offerings and more make Seattle one of the best vacation destination in Washington. Known for its coffee culture and as the birthplace of Starbucks, Seattle is also one of the top 5 craft beer cities in the U.S., which is ideal for those who prefer to experience the taste of a city served up in a latte mug or a pint glass.Please select from the following options. Calculate Postcard price. View Flat Rate Envelopes. View Flat Rate Boxes. Calculate price based on Shape and Size.Get all the information (schedule, fares, stations) to plan your train trip in Canada and book your tickets.Search Deals. Currently, October is the cheapest month in which you can book a flight from London, Ontario to Seattle (average of C$ 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 ...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.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 …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.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 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 .... Cbe
08/10/24 - 08/14/24. from. $ 274*. Viewed: 1 day ago. From. Ontario (ONT) To. Seattle (SEA) Roundtrip. 3 days ago · Seattle (SEA) to. Ontario (ONT) 04/19/24 - 04/26/24. from. $501*. Updated: 5 hours ago. Round trip. I. 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.Tue, Jun 4 YYZ – SEA with Flair Airlines. 1 stop. from C$478. Toronto.C$497 per passenger.Departing Wed, Jun 12, returning Sat, Jun 15.Round-trip flight with Spirit Airlines and Flair Airlines.Outbound indirect flight with Spirit Airlines, departing from Seattle / Tacoma International on Wed, Jun 12, arriving in Toronto Pearson International ...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. 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 ... 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.$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 …1 stop 9h 43m Frontier. Deal found 2/22 $115. Pick Dates. One of the most popular airlines traveling from Ontario to Seattle is Frontier. Flights on this route from Frontier typically cost $218.89 RT, a price that is 45% more expensive than the average Ontario to Seattle flight. The cheapest flight found was $93 RT.Find local businesses, view maps and get driving directions in Google Maps. Your trip begins in Seattle, Washington. It ends in Ontario, California. If you're planning a road trip, you might be interested in seeing the total driving distance from Seattle, WA to Ontario, CA. You can also calculate the cost to drive from Seattle, WA to Ontario, CA based on current local gas prices and an estimate of your car's best gas ... 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..