Cheap flights from Seattle to Ontario from $31
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Ontario departing on 12/17. 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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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 to Ontario?
In general, September is the cheapest month to fly from Seattle to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $134. If you aren’t able to travel during the month of September, then book flights to Ontario from Seattle during August instead. Flights to Ontario in August, while not as cheap as those in September, still average around $157.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $176. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Ontario for around $262.
What is the cheapest time of day to depart on your flight to Ontario?
At noon is the cheapest time of day to fly from Seattle to Ontario when you can find flight prices for as low as $134. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $236 on average. Flights to Ontario from Seattle in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Seattle/Tacoma Intl to Ontario flight route?
Fly from Seattle/Tacoma Intl to Ontario for the best Seattle/Tacoma Intl - Ontario flight prices
How far in advance should I book a flight to Ontario?
Most flyers found that booking tickets 44 days in advance of their planned departure date is the best time to get cheap flights to Ontario. During this timeframe, flight prices are around $201. However, in the past 72 hours, people saw flights from Seattle for as low as $138.
What cabin class options are available on Seattle/Tacoma Intl to Ontario flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Seattle to Ontario flights?
You could potentially save up to 70% on your flight if you consider stops on a Seattle to Ontario flight.
How have Seattle to Ontario flight prices changed over time?
As of November 2024, prices for Seattle to Ontario flights are approximately 13% cheaper when compared to flights at the same time last year.
How many flights depart from Seattle to Ontario on average per day?
As of November 2024, 9 flights take off from Seattle and land in Ontario each day. The most common flight departure time for this route is 7:00PM, with 40% of daily flights taking off in the afternoon.
How many flights depart from Seattle to Ontario on average per week?
The number of flights available between Seattle and Ontario is 65 per week as of November 2024. The most frequent departure day is Thu, with 31% of weekly flights leaving on this day.
When to book flights from 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
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 28m.
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 are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Ontario Airport?
As of November 2024, there are 4 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?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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.
What is the most popular plane model from Seattle to Ontario?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seattle to Ontario is Boeing 737-800 Passenger/BBJ2 (winglets) (18.12% of total bookings). The next most popular plane models are Airbus A320neo (16.76%), Airbus A321neo (11.30%), and Airbus A320 (sharklets) (11.09%).
What is the most popular airline from Seattle to Ontario?
momondo data reveals that the most frequently booked airline on the route from Seattle to Ontario is Alaska Airlines, representing 38.06% of all bookings. The subsequent popular airlines are Frontier at 35.97%, Delta at 25.31%, and Spirit Airlines at 0.66%.
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 $40 | Free Cancellation | Rating 6.3 8,169 reviews | |||
| PriceFrom $55 | Free Cancellation | Rating 6.1 3,536 reviews | |||
| PriceFrom $114 | Free Cancellation | Rating 8.0 8,755 reviews | |||
| PriceFrom $121 | Free Cancellation | Rating 8.0 9,464 reviews |
Delta Flights From Seattle to Ontario
Delta flies from Seattle to Ontario around 17 times per week, with 8,755 momondo users rating the airline 8.0/10. The cheapest Delta deal from Seattle to Ontario in the last 72 hours was $114 (round-trip), much lower than the average airfare cost of $266 for Delta flights on this route.
Alaska Airlines Flights From Seattle to Ontario
Alaska Airlines (8.0/10 from 9,464 reviews) operates around 4 flights from Seattle to Ontario in any given week. The average Alaska Airlines airfare for this route is around $268, with deals from around $121 rare but found on momondo. Referenced prices are for round-trip Seattle to Ontario flight searches in the last 72 hours.
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Ontario?
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.
Can I find flights from Seattle to Ontario with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Seattle to Ontario flights to just show those with flexible booking policies.
How can momondo help me find flights from Seattle to Ontario?
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.
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.