Cheap flights from Ontario to Washington from C$ 164
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 31/7. 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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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
United Airlines![United Airlines]()
5 Jun![United Airlines]()
9 Jun
YYZ8:30 a.m.Toronto Pearson Intl
5h 21m
SEA10:51 a.m.Seattle/Tacoma Intl
SEA11:50 p.m.Seattle/Tacoma Intl
9h 52m
1 stop
YYZ12:42 p.m.Toronto Pearson Intl
United Airlines![United Airlines]()
17 Sep![United Airlines]()
23 Sep
YYZ8:50 a.m.Toronto Pearson Intl
5h 19m
SEA11:09 a.m.Seattle/Tacoma Intl
SEA1:00 p.m.Seattle/Tacoma Intl
8h 46m
1 stop
YYZ12:46 a.m.Toronto Pearson Intl
Delta flights from Region of Ontario to State of Washington
Our best Delta deals on Region of Ontario to State of Washington flight tickets
Delta![Delta]()
11 Aug![Delta]()
20 Aug
YYZ6:00 a.m.Toronto Pearson Intl
11h 19m
1 stop
SEA2:19 p.m.Seattle/Tacoma Intl
SEA7:20 a.m.Seattle/Tacoma Intl
6h 38m
1 stop
YYZ4:58 p.m.Toronto Pearson Intl
Delta![Delta]()
21 Oct![Delta]()
4 Nov
YYZ6:10 p.m.Toronto Pearson Intl
9h 01m
1 stop
SEA12:11 a.m.Seattle/Tacoma Intl
SEA11:05 p.m.Seattle/Tacoma Intl
9h 24m
1 stop
YYZ11:29 a.m.Toronto Pearson Intl
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
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Other information
What is the cheapest month to fly to State of Washington?
In general, February is the cheapest month to fly from Region of Ontario to State of Washington. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 365. If you’re not able to fly to State of Washington in February, then January is your next best option. Flight prices from Region of Ontario to State of Washington during January average around C$ 367.
What is the cheapest day to depart on your flight to State of Washington?
On average, the least expensive day to fly to State of Washington from Region of Ontario is on a Thursday. momondo users have found tickets for Thursday departures for as low as C$ 555. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Sunday is C$ 715.
What is the cheapest time of day to depart on your flight to State of Washington?
According to our data, the cheapest time of day to fly to State of Washington is at noon. momondo users have found flights departing from Region of Ontario to State of Washington at noon for as low as C$ 541. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 771 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 travellers’ 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 C$ 513 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 C$ 452 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
Which 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 36% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 7 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, 6 flights take off from Region of Ontario and land in State of Washington each day. The most common flight departure time for this route is 8:00a.m., with 51% of daily 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 | C$ 164 |
|---|---|
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 are updated daily.
How many operators does momondo search for flights from Ontario to Washington?
There are 7 operators available for flights from Ontario to Washington as of May 2025.
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 necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Region of Ontario to State of Washington?
momondo data reveals that the most frequently booked plane model on the route from Region of Ontario to State of Washington is Airbus A220-300, representing 58.82% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 20.10%, Boeing 737-900 Passenger/BBJ3 (winglets) at 6.46%, and Embraer 195 E2 at 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 C$ 182 | Free Cancellation | Rating 7.2 2,831 reviews | |||
| PriceFrom C$ 278 | Free Cancellation | Rating 7.4 8,708 reviews | |||
| PriceFrom C$ 330 | Free Cancellation | Rating 8.0 9,991 reviews | |||
| PriceFrom C$ 338 | Free Cancellation | Rating 7.0 9,278 reviews | |||
| PriceFrom C$ 374 | Free Cancellation | Rating 8.0 7,944 reviews | |||
| PriceFrom C$ 411 | Free Cancellation | Rating 7.8 2,423 reviews | |||
| PriceFrom C$ 428 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Washington?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Washington. momondo saves you time and could save you money on your trip.
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 provides multiple filters to help you find the best flight to Washington from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
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.
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