How long is the flight from Region of Ontario to State of Washington?

Flight times from Region of Ontario to State of Washington vary, but if you’re flying out of Ottawa and flying into Seattle (one of the most popular routes), then the duration is 8h 25m on average. Another popular route from Region of Ontario to State of Washington is flying from Hamilton to Seattle, which will take roughly 8h 52m. Keep in mind that layovers or delays could extend your travel time.

How many flights depart from Region of Ontario to State of Washington on average per week?

13 flights are operational weekly from Region of Ontario to State of Washington as of August 2026. The most popular departure day for this route is Sat, with 23% of flights per week taking off on this day.

How many flights depart from Region of Ontario to State of Washington on average per day?

As of August 2026, 1 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 6:00p.m., with 85% of daily flights taking off in the evening.

What is the cheapest airline that flies from Ontario to Washington?

Delta, United Airlines, and WestJet are the most popular carriers operating from Ontario to Washington

Which airlines fly to State of Washington?

Alaska Airlines, Air Canada and WestJet are the top three most popular airlines that fly to State of Washington from Region of Ontario according to our data. Alaska Airlines is the first choice among our users, with 32% of people opting to fly with this airline when travelling 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.

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 6 operators available for flights from Ontario to Washington as of August 2026.

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.

C$ 196 Cheap Flights from Ontario to Washington in 2026

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Find the cheapest flights from Ontario to Washington

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1:20 p.m. - 6:45 p.m.YOW Ottawa-SEA Seattle/Tacoma Intl

8h 25m1 stop Calgary

7:35 p.m. - 5:35 a.m.SEA Seattle/Tacoma Intl-YOW Ottawa

7h 00m1 stop Calgary

C$ 352WestJet

Thu, 10 Sep - Wed, 16 Sep

6:55 a.m. - 6:45 p.m.YOW Ottawa-SEA Seattle/Tacoma Intl

14h 50m2 stops Toronto Pearson Intl Calgary

7:35 p.m. - 5:35 a.m.SEA Seattle/Tacoma Intl-YOW Ottawa

7h 00m1 stop Calgary

C$ 385WestJet

Thu, 10 Sep - Wed, 16 Sep

7:30 a.m. - 6:31 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

14h 01m1 stop Vancouver Intl

7:00 a.m. - 7:35 p.m.PDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

9h 35m1 stop Vancouver Intl

C$ 438Air Canada

Tue, 24 Nov - Sat, 28 Nov

6:30 a.m. - 2:27 p.m.YYZ Toronto Pearson Intl-PDX Portland

10h 57m1 stop San Francisco

5:00 a.m. - 9:32 p.m.PDX Portland-YYZ Toronto Pearson Intl

13h 32m1 stop Denver Intl

C$ 442United Airlines

Thu, 15 Oct - Tue, 20 Oct

6:30 a.m. - 9:02 p.m.YYZ Toronto Pearson Intl-PDX Portland

17h 32m1 stop San Francisco

7:00 a.m. - 10:37 p.m.PDX Portland-YYZ Toronto Pearson Intl

12h 37m1 stop Houston George Bush Intcntl

C$ 442United Airlines

Thu, 5 Nov - Tue, 10 Nov

6:25 p.m. - 12:07 a.m.YYZ Toronto Pearson Intl-PDX Portland

8h 42m1 stop Chicago O'Hare Intl

10:55 p.m. - 10:59 a.m.PDX Portland-YYZ Toronto Pearson Intl

9h 04m1 stop Chicago O'Hare Intl

C$ 442American Airlines

Sat, 3 Oct - Mon, 5 Oct

6:30 a.m. - 10:55 a.m.YYZ Toronto Pearson Intl-PDX Portland

7h 25m1 stop Chicago O'Hare Intl

6:01 a.m. - 5:44 p.m.PDX Portland-YYZ Toronto Pearson Intl

8h 43m1 stop Chicago O'Hare Intl

C$ 442American Airlines

Sun, 13 Sep - Sat, 19 Sep

6:30 a.m. - 2:41 p.m.YYZ Toronto Pearson Intl-PDX Portland

11h 11m1 stop San Francisco

11:30 p.m. - 11:49 a.m.PDX Portland-YYZ Toronto Pearson Intl

9h 19m1 stop Chicago O'Hare Intl

C$ 442Lufthansa

Sat, 19 Sep - Sat, 26 Sep

7:30 a.m. - 2:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

10h 11m1 stop Vancouver Intl

10:00 a.m. - 8:33 p.m.PDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

7h 33m1 stop Vancouver Intl

C$ 445Air Canada

Thu, 26 Nov - Wed, 2 Dec

3:35 p.m. - 10:27 p.m.YYZ Toronto Pearson Intl-PDX Portland

9h 52m1 stop Chicago O'Hare Intl

7:10 p.m. - 7:02 a.m.PDX Portland-YYZ Toronto Pearson Intl

8h 52m1 stop Vancouver Intl

C$ 446Multiple Airlines

Sat, 14 Nov - Sat, 28 Nov

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5:50 p.m. - 10:38 p.m.YYZ Toronto Pearson Intl-PDX Portland

7h 48m1 stop Salt Lake City

12:25 a.m. - 11:35 a.m.PDX Portland-YYZ Toronto Pearson Intl

8h 10m1 stop Minneapolis St Paul

C$ 482Delta

Sat, 5 Sep - Mon, 14 Sep

5:50 p.m. - 10:38 p.m.YYZ Toronto Pearson Intl-PDX Portland

7h 48m1 stop Salt Lake City

12:25 a.m. - 11:35 a.m.PDX Portland-YYZ Toronto Pearson Intl

8h 10m1 stop Minneapolis St Paul

C$ 503Delta

Sat, 5 Sep - Mon, 14 Sep

11:00 a.m. - 8:59 p.m.YYZ Toronto Pearson Intl-PDX Portland

12h 59m2 stops Chicago O'Hare Intl San Francisco

10:43 a.m. - 11:59 p.m.PDX Portland-YYZ Toronto Pearson Intl

10h 16m2 stops Denver Intl Chicago O'Hare Intl

C$ 503United Airlines

Thu, 3 Sep - Wed, 30 Sep

6:30 a.m. - 12:00 p.m.YYZ Toronto Pearson Intl-PDX Portland

8h 30m1 stop San Francisco

2:27 p.m. - 11:59 p.m.PDX Portland-YYZ Toronto Pearson Intl

6h 32m1 stop Chicago O'Hare Intl

C$ 503United Airlines

Thu, 3 Sep - Wed, 30 Sep

5:27 p.m. - 10:52 p.m.YYZ Toronto Pearson Intl-PDX Portland

8h 25m1 stop Chicago O'Hare Intl

2:30 p.m. - 5:10 a.m.PDX Portland-YYZ Toronto Pearson Intl

11h 40m2 stops Calgary Edmonton

C$ 545Multiple Airlines

Fri, 4 Sep - Tue, 8 Sep

5:10 p.m. - 9:31 a.m.YYZ Toronto Pearson Intl-PDX Portland

19h 21m2 stops Winnipeg Vancouver Intl

3:30 p.m. - 6:34 a.m.PDX Portland-YYZ Toronto Pearson Intl

12h 04m2 stops Vancouver Intl Edmonton

C$ 580Air Canada

Sat, 5 Sep - Sat, 12 Sep

6:00 a.m. - 11:50 a.m.YYZ Toronto Pearson Intl-PDX Portland

8h 50m1 stop Philadelphia

12:50 p.m. - 11:46 p.m.PDX Portland-YYZ Toronto Pearson Intl

7h 56m1 stop Philadelphia

C$ 581American Airlines

Fri, 4 Sep - Tue, 8 Sep

11:39 a.m. - 6:00 p.m.YYZ Toronto Pearson Intl-PDX Portland

9h 21m1 stop Chicago O'Hare Intl

12:50 p.m. - 11:46 p.m.PDX Portland-YYZ Toronto Pearson Intl

7h 56m1 stop Philadelphia

C$ 583American Airlines

Fri, 4 Sep - Tue, 8 Sep

4:55 p.m. - 11:55 p.m.YYZ Toronto Pearson Intl-PDX Portland

10h 00m1 stop Seattle/Tacoma Intl

2:30 p.m. - 5:10 a.m.PDX Portland-YYZ Toronto Pearson Intl

11h 40m2 stops Calgary Edmonton

C$ 698Multiple Airlines

Fri, 4 Sep - Tue, 8 Sep

1:10 p.m. - 6:32 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

8h 22m1 stop Vancouver Intl

7:20 p.m. - 7:10 a.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

8h 50m2 stops Vancouver Intl Edmonton

C$ 918Air Canada

Thu, 3 Sep - Sun, 6 Sep

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6:45 p.m. - 9:04 p.m.YYZ Toronto Pearson Intl-SEA Seattle/Tacoma Intl

5h 19mdirect

7:45 a.m. - 3:25 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

4h 40mdirect

C$ 567Air Canada

Wed, 21 Oct - Wed, 28 Oct

6:25 p.m. - 8:59 p.m.YYZ Toronto Pearson Intl-SEA Seattle/Tacoma Intl

5h 34mdirect

7:45 a.m. - 3:25 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

4h 40mdirect

C$ 567Air Canada

Tue, 1 Dec - Sat, 12 Dec

7:15 p.m. - 9:34 p.m.YYZ Toronto Pearson Intl-SEA Seattle/Tacoma Intl

5h 19mdirect

8:00 a.m. - 3:41 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

4h 41mdirect

C$ 570Air Canada

Sat, 17 Oct - Sat, 24 Oct

4:55 p.m. - 7:13 p.m.YYZ Toronto Pearson Intl-SEA Seattle/Tacoma Intl

5h 18mdirect

8:00 a.m. - 3:45 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

4h 45mdirect

C$ 646Alaska Airlines

Tue, 22 Sep - Tue, 13 Oct

4:55 p.m. - 7:26 p.m.YYZ Toronto Pearson Intl-SEA Seattle/Tacoma Intl

5h 31mdirect

8:00 a.m. - 3:45 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

4h 45mdirect

C$ 646Alaska Airlines

Sat, 3 Oct - Sat, 10 Oct

4:55 p.m. - 7:13 p.m.YYZ Toronto Pearson Intl-SEA Seattle/Tacoma Intl

5h 18mdirect

7:52 a.m. - 3:45 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

4h 53mdirect

C$ 648Alaska Airlines

Sat, 26 Sep - Tue, 29 Sep

6:45 p.m. - 9:04 p.m.YYZ Toronto Pearson Intl-SEA Seattle/Tacoma Intl

5h 19mdirect

7:45 a.m. - 3:25 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

4h 40mdirect

C$ 817United Airlines

Fri, 23 Oct - Sun, 1 Nov

6:45 p.m. - 9:04 p.m.YYZ Toronto Pearson Intl-SEA Seattle/Tacoma Intl

5h 19mdirect

7:52 a.m. - 3:45 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

4h 53mdirect

C$ 847Multiple Airlines

Tue, 22 Sep - Thu, 24 Sep

6:45 p.m. - 9:04 p.m.YYZ Toronto Pearson Intl-SEA Seattle/Tacoma Intl

5h 19mdirect

7:45 a.m. - 3:25 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

4h 40mdirect

C$ 933Multiple Airlines

Tue, 13 Oct - Tue, 3 Nov

7:15 p.m. - 9:34 p.m.YYZ Toronto Pearson Intl-SEA Seattle/Tacoma Intl

5h 19mdirect

8:00 a.m. - 3:41 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

4h 41mdirect

C$ 936United Airlines

Sat, 17 Oct - Sat, 24 Oct

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WestJet flights from Region of Ontario to State of Washington

Our best WestJet deals on Region of Ontario to State of Washington flight tickets

WestJet

10 Sep

YOW1:20 p.m.Ottawa

8h 25m

1 stop

SEA6:45 p.m.Seattle/Tacoma Intl

16 Sep

SEA7:35 p.m.Seattle/Tacoma Intl

7h 00m

1 stop

YOW5:35 a.m.Ottawa

C$ 352

WestJet

10 Sep

YOW6:55 a.m.Ottawa

14h 50m

2 stops

SEA6:45 p.m.Seattle/Tacoma Intl

16 Sep

SEA7:35 p.m.Seattle/Tacoma Intl

7h 00m

1 stop

YOW5:35 a.m.Ottawa

C$ 385

WestJet

9 Sep

YOW1:20 p.m.Ottawa

8h 25m

1 stop

SEA6:45 p.m.Seattle/Tacoma Intl

7 Oct

SEA7:35 p.m.Seattle/Tacoma Intl

7h 00m

1 stop

YOW5:35 a.m.Ottawa

C$ 388

Air Canada flights from Region of Ontario to State of Washington

Our best Air Canada deals on Region of Ontario to State of Washington flight tickets

Air Canada

24 Nov

YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl

14h 01m

1 stop

PDX6:31 p.m.Portland

28 Nov

PDX7:00 a.m.Portland

9h 35m

1 stop

YUL7:35 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 438

Air Canada

2 Oct

YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl

10h 16m

1 stop

PDX2:46 p.m.Portland

10 Oct

PDX10:10 a.m.Portland

7h 26m

1 stop

YUL8:36 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 448

Air Canada

26 Dec

YYZ7:55 a.m.Toronto Pearson Intl

9h 46m

2 stops

PDX2:41 p.m.Portland

30 Dec

PDX10:00 a.m.Portland

6h 57m

1 stop

YYZ7:57 p.m.Toronto Pearson Intl

C$ 452

momondo Fare Finder

Use the filters below to find and compare flights from Ontario to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Thu 10/9

1:20 p.m.-6:45 p.m.

1 stop8h 25m

Seattle/Tacoma Intl

Wed 16/9

7:35 p.m.-5:35 a.m.

1 stop7h 00m

C$ 352

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Thu 10/9

6:55 a.m.-6:45 p.m.

2 stops14h 50m

Seattle/Tacoma Intl

Wed 16/9

7:35 p.m.-5:35 a.m.

1 stop7h 00m

C$ 385

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 24/11

7:30 a.m.-6:31 p.m.

1 stop14h 01m

Portland

Sat 28/11

7:00 a.m.-7:35 p.m.

1 stop9h 35m

C$ 438

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Thu 15/10

6:30 a.m.-2:27 p.m.

1 stop10h 57m

Portland

Tue 20/10

5:00 a.m.-9:32 p.m.

1 stop13h 32m

C$ 442

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Thu 5/11

6:30 a.m.-9:02 p.m.

1 stop17h 32m

Portland

Tue 10/11

7:00 a.m.-10:37 p.m.

1 stop12h 37m

C$ 442

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Sat 3/10

6:25 p.m.-12:07 a.m.

1 stop8h 42m

Portland

Mon 5/10

10:55 p.m.-10:59 a.m.

1 stop9h 04m

C$ 442

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Sun 13/9

6:30 a.m.-10:55 a.m.

1 stop7h 25m

Portland

Sat 19/9

6:01 a.m.-5:44 p.m.

1 stop8h 43m

C$ 442

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Sat 19/9

6:30 a.m.-2:41 p.m.

1 stop11h 11m

Portland

Sat 26/9

11:30 p.m.-11:49 a.m.

1 stop9h 19m

C$ 442

MontrealPortland

YUL Montreal Pierre Elliott Trudeau Intl - PDX Portland

YULPDX

Montreal Pierre Elliott Trudeau Intl

Thu 26/11

7:30 a.m.-2:41 p.m.

1 stop10h 11m

Portland

Wed 2/12

10:00 a.m.-8:33 p.m.

1 stop7h 33m

C$ 445

TorontoPortland

YYZ Toronto Pearson Intl - PDX Portland

YYZPDX

Toronto Pearson Intl

Sat 14/11

3:35 p.m.-10:27 p.m.

1 stop9h 52m

Portland

Sat 28/11

7:10 p.m.-7:02 a.m.

1 stop8h 52m

C$ 446

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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$ 355. 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$ 392.

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$ 533. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Monday is C$ 931.

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 in the evening. momondo users have found flights departing from Region of Ontario to State of Washington in the evening for as low as C$ 507. 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$ 1,290 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 from Ontario to Washington?

You are more likely to see cheaper flights to State of Washington from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around C$ 511 when searching 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$ 410 on momondo.

What cabin class options are available on Region of Ontario to State of Washington flights?

There are 4 cabin classes available to choose from on Region of Ontario to State of Washington 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 Region of Ontario to State of Washington flights?

You could potentially save up to 5% on your flight if you consider stops on a Region of Ontario to State of Washington flight.

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$ 196
Fastest flight time	5h 19m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Region of Ontario in the past 72 hours is C$ 196. The best round-trip flight deal from Region of Ontario to State of Washington found on momondo in the last 72 hours is C$ 352.

The fastest flight from Region of Ontario to State of Washington takes 5h 19m

Direct flights go from Region of Ontario to State of Washington on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There are 96 airports in State of Washington. From Region of Ontario there are direct flights to Seattle/Tacoma Intl (SEA).

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Frequently asked questions about flying from Ontario to Washington

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 6 operators available for flights from Ontario to Washington as of August 2026.
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 18.67% of all bookings. The subsequent popular models are Boeing 777-300ER at 14.67%, De Havilland (Bombardier) DHC-8-400 Dash 8Q at 11.11%, and Boeing 737-900 Passenger/BBJ3 (winglets) at 8.89%.

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
Delta	PriceFrom C$ 225	Free Cancellation	Rating 7.8 8,534 reviews	Search Delta flights
Air Canada	PriceFrom C$ 251	Free Cancellation	Rating 7.1 11,559 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 253	Free Cancellation	Rating 7.4 10,148 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom C$ 269	Free Cancellation	Rating 7.9 12,864 reviews	Search Alaska Airlines flights
WestJet	PriceFrom C$ 273	Free Cancellation	Rating 7.2 3,444 reviews	Search WestJet flights

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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Cheap flights from Ontario to Washington from C$ 196

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 12/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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WestJet flights from Region of Ontario to State of Washington

Our best WestJet deals on Region of Ontario to State of Washington flight tickets

Air Canada flights from Region of Ontario to State of Washington

Our best Air Canada deals on Region of Ontario to State of Washington flight tickets

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Use the filters below to find and compare flights from Ontario to Washington that are best for you.

See travel insights to Washington from

How to get the cheapest flight ticket from Region of Ontario to State of Washington

What is the cheapest month to fly to State of Washington?

What is the cheapest day to depart on your flight to State of Washington?

What is the cheapest time of day to depart on your flight to State of Washington?

What is the cheapest Ontario to Washington flight route?

How far in advance should I book a flight from Ontario to Washington?

What cabin class options are available on Region of Ontario to State of Washington flights?

Can stopping save me money on Region of Ontario to State of Washington flights?

What is the cheapest airline that flies from Ontario to Washington?

Which airlines fly to State of Washington?

How many flights depart from Region of Ontario to State of Washington on average per day?

How many flights depart from Region of Ontario to State of Washington on average per week?

How long is the flight from Region of Ontario to State of Washington?

Cheap Region of Ontario to State of Washington flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in State of Washington

Frequently asked questions about flying from Ontario to Washington

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

Why use momondo?

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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