Cheap flights from Ontario to Washington from $33
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Washington departing on 7/12. 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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Frontier flights from Ontario to State of Washington
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How to get the cheapest flight ticket from Ontario to State of Washington
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 State of Washington?
The month of January is, on average, the cheapest month to fly to State of Washington from Ontario, with most prices found around $157. If you aren’t able to travel to State of Washington during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $161.
What is the cheapest day to depart on your flight to State of Washington?
The cheapest day to depart from Ontario to State of Washington is on a Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $220. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to State of Washington for around $292.
What is the cheapest time of day to depart on your flight to State of Washington?
The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $228. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $345 on average. Flights to State of Washington from Ontario at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Ontario to Washington flight route?
Fly from Ontario to Seattle/Tacoma Intl for the best Ontario - Washington flight prices
How far in advance should I book a flight to State of Washington?
You are more likely to see cheaper flights to State of Washington from Ontario when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $190 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Ontario for as low as $152 on momondo.
What cabin class options are available on Ontario to Washington flights?
There are 4 cabin classes available to choose from on Ontario to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Ontario to Washington?
Frontier, Delta, and Alaska Airlines are the most popular carriers operating from Ontario to Washington
What airlines fly to State of Washington?
Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to State of Washington from Ontario according to our data. Alaska Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 11 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ontario to State of Washington on average per day?
The number of flights available between Ontario and State of Washington is 13 per day as of May 2025. The most frequent departure time is 11:00AM, with 46% of daily flights leaving at noon.
How many flights depart from Ontario to State of Washington on average per week?
95 flights are operational weekly from Ontario to State of Washington as of May 2025. The most popular departure day for this route is Tue, with 27% of flights per week taking off on this day.
Cheap Ontario to State of Washington flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to State of Washington
Best Price Found | $33 |
|---|---|
Fastest flight time | 2h 14m |
Direct flights | Every day |
Airports in State of Washington | 2 airports |
When did momondo last update prices for flights from Ontario Airport to Washington?
Prices for flights from Ontario Airport to Washington were last updated today.
How many operators does momondo search for flights from Ontario Airport to Washington?
As of May 2025, there are 7 operators available to choose from for flights from Ontario Airport to Washington.
How old do you have to be to fly from Ontario Airport to Washington?
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 Ontario Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Ontario to State of Washington?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ontario to State of Washington is Airbus A320neo (18.51% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (16.65%), Boeing 737-800 Passenger/BBJ2 (winglets) (14.54%), and Boeing 737 MAX 9 (9.26%).
Best airlines flying from Ontario to State of Washington
Compare and see reviews for airlines that fly from Ontario to State of Washington with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $63 | Free Cancellation | Rating 5.9 3,289 reviews | |||
| PriceFrom $70 | Free Cancellation | Rating 6.3 7,970 reviews | |||
| PriceFrom $88 | Free Cancellation | Rating 7.8 2,423 reviews | |||
| PriceFrom $114 | Free Cancellation | Rating 8.0 7,944 reviews | |||
| PriceFrom $136 | Free Cancellation | Rating 8.0 9,991 reviews | |||
| PriceFrom $150 | Free Cancellation | Rating 8.0 4,292 reviews | |||
| PriceFrom $233 | Free Cancellation | Rating 7.4 8,708 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Washington?
Finding the right flight to Washington from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.
Can I find flights from Ontario to Washington with flexible booking policies on momondo?
momondo does allow users to show only those flights to Washington from Ontario which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Ontario to Washington?
Once you have performed a search for Ontario to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Ontario to Washington right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Washington from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.