For Unpublished Cheap Flight Deals,
Call Us at 1-888-437-4930
  • Great
    Based on 2,047 reviews
  • Safe & Secure Booking
  • Low Fare Promise
  • Buy with Confidence
  • 10 Million+ Customers
    Per Year
  • Compare & Book Over
    650 Airlines Instantly!
  • Fast, Safe &
  • Live 24/7
    Customer Support
Download Our App

Find the deals you want & manage your trips ... all while on the go.

Apply for Our Credit Card

Earn rewards points & other travel perks when you spend.

Apply Now
Check out our Blog

Get inspired, learn expert tips & add to your travel bucket list.

Read it Now
Check Your Flight Status

Get there on time,
every time!

Check Status

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

  • When does the earliest flight depart SEA? 8:50AM American Airlines Flight #5961
  • When does the latest flight depart ONT? 4:00PM Alaska Airlines Flight #462
  • Which is the busiest month to travel from Seattle to Ontario?October
  • Which is the least busy month to travel from SEA to ONT?August
  • What is the travel distance between Seattle to Ontario?1,665 miles
  • How many weekly flights are there are between SEA to ONT? There are 1 weekly flights between SEA and ONT.
  • Which is the busiest day in terms of passengers flying from SEA to ONT?Tuesday
  • In last 30 days, what is the %age of ONT visitors who spent less than 3 days in the city?100.00 %
  • Name the airport nearby ONT? Ogoki Post Airport
  • Name the airports nearby SEA? Kenmore Air Harbor