Cheap flights from Seattle to Ontario from C$ 97
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Ontario departing on 22/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 161 | Free Cancellation | Rating 8.0 9,110 reviews | |||
| PriceFrom C$ 176 | Free Cancellation | Rating 8.0 11,004 reviews |
Alaska Airlines Flights From Seattle to Ontario
Across 21 Alaska Airlines flights from Seattle to Ontario this week, the average price was C$ 200, with the best Alaska Airlines deals starting from C$ 118 round-trip. 9,110 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.
Delta Flights From Seattle to Ontario
Delta (8.0/10 from 11,004 reviews) operates around 21 flights from Seattle to Ontario in any given week. The average Delta airfare for this route is around C$ 209, with deals from around C$ 128 rare but found on momondo. Referenced prices are for round-trip Seattle to Ontario flight searches in the last 72 hours.
Frontier flights from Seattle to Ontario
Our best Frontier deals on Seattle to Ontario flight tickets
Delta flights from Seattle to Ontario
Our best Delta deals on Seattle to Ontario flight tickets
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. The most expensive is November.
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 Friday
When is the cheapest time to fly from Seattle to Ontario?
At noon. Seattle to Ontario flights are approximately 65% more expensive in the evening than at noon
What is the cheapest airline that flies to Ontario from Seattle?
Alaska Airlines. Alaska Airlines and Delta 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?
53 days before. The cheapest time to buy a flight from Seattle to Ontario is approximately 53 days to departure
How many flights depart from Seattle to Ontario on average per day?
As of April 2024, 13 flights take off from Seattle and land in Ontario each day. The most common flight departure time for this route is 6:00p.m., with 47% of daily flights taking off in the evening.
How many flights depart from Seattle to Ontario on average per week?
The number of flights available between Seattle and Ontario is 95 per week as of April 2024. The most frequent departure day is Monday, with 17% of weekly flights leaving on this day.
Can stopping save me money on Seattle to Ontario flights?
No. A direct flight is the cheapest option for a flight between Seattle to Ontario.
Cheap Seattle to Ontario (SEA to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Ontario
Best price found | C$ 122 |
|---|---|
Fastest flight time | 2h 30m |
Direct flights | Every day |
Airports in Ontario | 1 airport |
How far is Seattle/Tacoma Intl to Ontario by plane?
A flight from Seattle/Tacoma Intl to Ontario will travel around 1555.6 km. Flights usually cover this in 2h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Ontario Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Ontario Airport?
As of April 2024, there are 2 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Ontario Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Ontario?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Seattle.
Can I find flights from Seattle to Ontario with flexible booking policies on momondo?
momondo does allow users to show only those flights to Ontario from Seattle which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Seattle to Ontario?
momondo provides multiple filters to help you find the best flight to Ontario from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Seattle to Ontario right now. Can momondo alert me if prices change?
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.