Cheap flights from Ontario to Seattle from $89
Deals available from 900+ travel sites.
Flight information for Ontario to Seattle
(ONT to SEA)
Find info about flight duration, direct flights, and airports for your flight from Ontario to Seattle
Best Price Found | $89 |
|---|---|
Fastest flight time | 2h 41m |
Direct flights | Mon, Wed, Fri, Sat and Sun |
Airports in Seattle | 3 airports |
How to get the cheapest flight ticket from Ontario to Seattle
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 Ontario to Seattle?
October
The cheapest time of year to fly to Seattle from Ontario is October. Most expensive is December
What is the cheapest day to depart Ontario for Seattle?
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
When is the cheapest time to fly from Ontario to Seattle?
in the evening
Ontario to Seattle flights are approximately 20% more expensive in the afternoon than in the evening
What is the cheapest airline that flies to Seattle from Ontario?
Juneyao Airlines
Alaska Airlines, Delta, and Frontier are the most popular carriers operating from Ontario to Seattle
What is the cheapest Ontario to Seattle flight route?
Ontario - Seattle/Tacoma Intl
Fly from Ontario to Seattle/Tacoma Intl for the best Ontario - Seattle flight prices
How far in advance should you book Ontario to Seattle flights?
59 days before
The cheapest time to buy a flight from Ontario to Seattle is approximately 59 days to departure
When traveling from Ontario to Seattle, the most popular airport to fly into is Seattle/Tacoma Intl Airport. The majority of travelers flying into Seattle/Tacoma Intl Airport from Ontario are departing from Ontario Airport. You may be looking for an airport near Ontario Airport to depart from when traveling to 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. When traveling from Ontario, it is helpful to have an alternative airport to fly into when you land in Seattle. The nearest airport to Seattle/Tacoma Intl Airport is Everett Paine Field Airport which is located in Everett. The cheapest route from Ontario to Seattle is SNA — SEA with an average price of $126 RT during the month of June.
Easily compare round-trip flights from Ontario to Seattle
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 Ontario to Seattle by changing tabs
Find the cheapest one-way flights from Ontario to Seattle
If you're looking for one-way flights from Ontario to Seattle, view some of our deals below provided by Alaska Airlines and Frontier
Search last-minute flights to Seattle from Ontario
Find and compare round-trip flight prices for your last-minute flight from Ontario to Seattle
Best airlines flying from Ontario to Seattle
Compare and see reviews for airlines that fly from Ontario to Seattle with momondo
Alaska Airlines Flights From Ontario to Seattle
Alaska Airlines flight deals from Ontario to Seattle start from $92 round-trip. Over the 5 Alaska Airlines flights for this route in a normal week, average airfare is usually $204 round-trip - but some users have found much cheaper deals with momondo.
Delta Flights From Ontario to Seattle
$99 is the best Delta flight deal from Ontario to Seattle found on momondo over the last 72 hours. The average Delta ticket price found was closer to $247, however, with flight time and availability significantly affecting the price. Delta (7.8/10 from 392 user reviews) flies into Seattle from Ontario 21 times in an average week so prices can vary.
Delta flights from Ontario to Seattle
Our best Delta deals on Ontario to Seattle flight tickets
Alaska Airlines flights from Ontario to Seattle
Our best Alaska Airlines deals on Ontario to Seattle flight tickets
Are airlines flying from Ontario to Seattle/Tacoma Intl offering flexible cancellation due to COVID-19?
To ease the stress of booking flights, some of our airline partners flying from Ontario to Seattle/Tacoma Intl are responding to the global pandemic. The following airlines may have a flexible cancellation policy to help accommodate travelers: Alaska Airlines, Delta, and Juneyao Airlines.
How far is Ontario to Seattle/Tacoma Intl by plane?
The straight-line distance from Ontario to Seattle/Tacoma Intl is 966.6 mi. By plane, this route typically takes 2h 35m.
Alternative routes for Ontario to Seattle
Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Similar Ontario to Seattle flights
Flexible with your destination? Broaden your search and find flights similar to your Ontario to Seattle route
Flights to other cities in United States
Lost the lust for Seattle? Check out some flights to other cities in United States
Why use momondo?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Seattle. momondo saves you time and could save you money on your trip.
Yes. momondo enables you to select and highlight flights to Seattle from Ontario with this policy.
momondo helps you find the best flight between Ontario and Seattle 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 Seattle from Ontario 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.