Cheap flights from Ontario to Washington from $111
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 6/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ontario to Washington
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
United Airlines flights from Region of Ontario to State of Washington
Our best United Airlines deals on Region of Ontario to State of Washington flight tickets
Delta flights from Region of Ontario to State of Washington
Our best Delta deals on Region of Ontario to State of Washington flight tickets
See travel insights to Washington from
How to get the cheapest flight ticket from Region of 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 February is, on average, the cheapest month to fly to State of Washington from Region of Ontario, with most prices found around $264. If you aren’t able to travel to State of Washington during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $266.
What is the cheapest day to depart on your flight to State of Washington?
The cheapest day to depart from Region of Ontario to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $408. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to State of Washington for around $592.
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 evening when flights can be purchased for as low as $371. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $524 on average. Flights to State of Washington from Region of Ontario in the morning 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 Toronto Pearson Intl 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 Region of Ontario when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $372 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Region of Ontario for as low as $327 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?
WestJet, Air Canada, and Alaska Airlines are the most popular carriers operating from Ontario to Washington
What airlines fly to State of Washington?
Air Canada, Alaska Airlines and WestJet are the top three most popular airlines that fly to State of Washington from Region of Ontario according to our data. Air Canada is the first choice among our users, with 38% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 5 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 Region of Ontario to State of Washington on average per day?
As of May 2025, there are 6 flights per day flying from Region of Ontario to State of Washington. The most common time of day flights depart is 8:00AM, with 51% of flights taking off at noon.
How many flights depart from Region of Ontario to State of Washington on average per week?
43 flights are operational weekly from Region of Ontario to State of Washington as of May 2025. The most popular departure day for this route is Tue, with 19% of flights per week taking off on this day.
Cheap Region of Ontario to State of Washington flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to State of Washington
Best Price Found | $111 |
|---|---|
Fastest flight time | 5h 14m |
Direct flights | Every day |
Airports in State of Washington | 2 airports |
When did momondo last update prices for flights from Ontario to Washington?
Prices for flights from Ontario to Washington were last updated today.
How many operators does momondo search for flights from Ontario to Washington?
As of May 2025, there are 6 operators available to choose from for flights from Ontario to Washington.
How old do you have to be to fly from Ontario 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 to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Region of Ontario to State of Washington?
Based on momondo bookings for flights between Region of Ontario and State of Washington, the leading plane model is Airbus A220-300, making up 58.82% of the total bookings. Other popular models include Boeing 737 MAX 8 with 20.10%, Boeing 737-900 Passenger/BBJ3 (winglets) with 6.46%, and Embraer 195 E2 with 4.52%.
Best airlines flying from Region of Ontario to State of Washington
Compare and see reviews for airlines that fly from Region of Ontario to State of Washington with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $141 | Free Cancellation | Rating 7.2 2,831 reviews | |||
| PriceFrom $239 | Free Cancellation | Rating 8.0 9,991 reviews | |||
| PriceFrom $240 | Free Cancellation | Rating 7.4 8,708 reviews | |||
| PriceFrom $250 | Free Cancellation | Rating 7.0 9,277 reviews | |||
| PriceFrom $292 | Free Cancellation | Rating 8.0 7,942 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Washington?
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 Ontario to Washington for you.
Can I find flights from Ontario to Washington with flexible booking policies on momondo?
Yes. All flights to Washington from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ontario to Washington?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Washington.
I’m not ready to book a flight from Ontario to Washington right now. Can momondo alert me if prices change?
Price alerts on flights to Washington 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.