Cheap flights from Seattle to Ontario from $86
Deals available from 900+ travel sites.
Flight information for Seattle to Ontario
(SEA to ONT)
Find info about flight duration, direct flights, and airports for your flight from Seattle to Ontario
Best Price Found | $86 |
|---|---|
Fastest flight time | 2h 35m |
Direct flights | Wed and Sat |
Airports in Ontario | 1 airport |
How to get the cheapest flight ticket from Seattle to Ontario
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from Seattle to Ontario?
September
The cheapest time of year to fly to Ontario from Seattle is September. Most expensive is April
What is the cheapest day to depart Seattle for Ontario?
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
When is the cheapest time to fly from Seattle to Ontario?
in the afternoon
Seattle to Ontario flights are approximately 34% more expensive at noon than in the afternoon
What is the cheapest airline that flies to Ontario from Seattle?
Juneyao Airlines
Alaska Airlines, Delta, and Juneyao Airlines are the most popular carriers operating from Seattle to Ontario
What is the cheapest Seattle to Ontario flight route?
Seattle/Tacoma Intl - Ontario
Fly from Seattle/Tacoma Intl to Ontario for the best Seattle - Ontario flight prices
How far in advance should you book Seattle to Ontario flights?
56 days before
The cheapest time to buy a flight from Seattle to Ontario is approximately 56 days to departure
If you are looking to fly from Seattle to Ontario, you are most likely going to fly from Seattle/Tacoma Intl Airport to Ontario Airport, the most popular airports on that route. If you are looking for an alternate airport near Seattle/Tacoma Intl Airport, Everett Paine Field Airport is a great option and is located in Everett. You may be looking for an airport near Ontario Airport to land at when traveling from Seattle and luckily, there are options! You can try Los Angeles Airport which is located in Los Angeles, Santa Ana J. Wayne/Orange Cnty Airport which is located in Santa Ana, or Burbank Bob Hope Airport which is located in Burbank. The cheapest route from Seattle to Ontario is SEA — SNA with an average price of $160 RT during the month of June.
Easily compare round-trip flights from Seattle to Ontario
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Ontario by changing tabs
Find the cheapest one-way flights from Seattle to Ontario
If you're looking for one-way flights from Seattle to Ontario, view some of our deals below provided by Alaska Airlines, Delta and Frontier
Search last-minute flights to Ontario from Seattle
Find and compare round-trip flight prices for your last-minute flight from Seattle to Ontario
Best airlines flying from Seattle to Ontario
Compare and see reviews for airlines that fly from Seattle to Ontario with momondo
Alaska Airlines Flights From Seattle to Ontario
Alaska Airlines flies from Seattle to Ontario around 20 times per week, with 663 momondo users rating the airline 7.9/10. The cheapest Alaska Airlines deal from Seattle to Ontario in the last 72 hours was $89 (round-trip), much lower than the average airfare cost of $208 for Alaska Airlines flights on this route.
Delta Flights From Seattle to Ontario
Delta (7.8/10 from 392 reviews) operates around 20 flights from Seattle to Ontario in any given week. The average Delta airfare for this route is around $272, with deals from around $91 rare but found on momondo. Referenced prices are for round-trip Seattle to Ontario flight searches in the last 72 hours.
Alaska Airlines flights from Seattle to Ontario
Our best Alaska Airlines deals on Seattle to Ontario flight tickets
Frontier flights from Seattle to Ontario
Our best Frontier deals on Seattle to Ontario flight tickets
Are airlines flying from Seattle/Tacoma Intl to Ontario offering flexible cancellation due to COVID-19?
Some of our partner airlines flying from Seattle/Tacoma Intl to Ontario are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are Alaska Airlines, Delta, and Juneyao Airlines. You can search for the full list of airlines like Alaska Airlines that are offering this flexibility.
How far is Seattle/Tacoma Intl to Ontario by plane?
The distance between Seattle/Tacoma Intl and Ontario is about 966.6 mi. A reasonable flight in good conditions will take 2h 30m.
Alternative routes for Seattle to Ontario
Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Similar Seattle to Ontario flights
Flexible with your destination? Broaden your search and find flights similar to your Seattle to Ontario route
Flights to other cities in United States
Lost the lust for Ontario? Check out some flights to other cities in United States
Why use momondo?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Ontario for you.
Yes. momondo allows you to filter the results for Seattle to Ontario flights to just show those with flexible booking policies.
momondo helps you find the best flight between Seattle and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
Price alerts on flights to Ontario from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.