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Recent Ontario Posts

Search Cheap Flights from Seattle to Ontario

Find unbeatable airfare deals from Seattle (SEA) to Ontario (ONT) on OneTravel. Take advantage of our exclusive flight deals and jet set for a vacation without breaking the bank.

An exciting city with something for everyone, Santa Ana lures vacation makers to enjoy its history, culture and its attractions and activities. Visit the Heritage Museum of Orange County, the Old Town Hall, Discovery Science Center and the Artist Village. Shop at the MainPlace Mall. Savor delicious cuisine. You will surely have a blast here in Santa Ana. Save more on airline tickets with OneTravel cheap Santa Ana flight. OneTravel offers unbeatable deals on top airlines including Delta Air Lines, Frontier Airlines and JetBlue Airways. The average flight time from Orlando, FL to Santa Ana, CA is around seven hours, including layover time.

    Seattle to Ontario Flight Route Facts

  • What is the cheapest return flight price from SEA to ONT?


  • What is the fare range for flights from SEA to ONT?

    $165 - $506

  • When does the earliest flight depart SEA?

    6:15AM United Airlines Flight #530

  • When does the latest flight depart ONT?

    7:55PM Alaska Airlines Flight #550

  • Which is the busiest month to travel from Seattle to Ontario?


  • Which is the least-busy month to travel from SEA to ONT?


  • What is the travel distance between Seattle and Ontario?

    1,665 miles

  • How many weekly flights operate between SEA and ONT?

    There are 2 weekly flights between SEA and ONT.

  • Which is the busiest day in terms of passengers flying from SEA to ONT?


  • In last 30 days, what is the %age of ONT visitors who spent less than 3 days in the city?

    100.00 %

  • Which airport is located close to ONT?

    Ogoki Post Airport

  • Which airport is located close to SEA?

    Kenmore Air Harbor

Ontario Reviews

Professional agent

My agent was a great help to me. He was very professional and polite. I felt very comfortable talking to him.

- Carmen  Sep 25, 2019
Everything was fun

Got a great price on a flight to LA for a girls trip. Everything was easy to find and fun and reasonably priced.

- Anonymous  Sep 25, 2019