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

As of July 2026, 4 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.

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

28 flights are operational weekly from Region of Ontario to State of Washington as of July 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

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 Toronto to Seattle, which will take roughly 9h 56m. Keep in mind that layovers or delays could extend your travel time.

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.

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

United Airlines, Air Canada, and Delta are the most popular carriers operating 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 July 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$ 224 Cheap Flights from Ontario to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Washington

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 a.m. - 7:11 p.m.

YUL

PDX

12h 51m

2 stops

3:30 p.m. - 7:10 a.m.

PDX

YUL

12h 40m

2 stops

C$ 383Air Canada

Sat, 22 Aug - Sat, 29 Aug

9:50 a.m. - 7:11 p.m.

YUL

PDX

12h 21m

2 stops

3:30 p.m. - 7:10 a.m.

PDX

YUL

12h 40m

2 stops

C$ 391Air Canada

Sat, 29 Aug - Sat, 5 Sep

11:40 a.m. - 9:44 p.m.

YYZ

PDX

13h 04m

1 stop

6:00 a.m. - 6:34 p.m.

PDX

YYZ

9h 34m

1 stop

C$ 412Delta

Tue, 28 Jul - Tue, 11 Aug

2:45 p.m. - 7:18 p.m.

YYZ

PDX

7h 33m

1 stop

8:25 a.m. - 7:02 p.m.

PDX

YYZ

7h 37m

1 stop

C$ 419United Airlines

Wed, 9 Sep - Wed, 30 Sep

5:34 p.m. - 11:59 p.m.

YUL

PDX

9h 25m

1 stop

11:34 p.m. - 4:50 p.m.

PDX

YUL

14h 16m

1 stop

C$ 419American Airlines

Tue, 25 Aug - Sat, 29 Aug

1:30 p.m. - 6:45 p.m.

YYZ

SEA

8h 15m

1 stop

7:35 p.m. - 6:55 a.m.

SEA

YYZ

8h 20m

1 stop

C$ 422WestJet

Thu, 1 Oct - Mon, 5 Oct

11:40 a.m. - 9:44 p.m.

YYZ

PDX

13h 04m

1 stop

11:20 p.m. - 1:34 p.m.

PDX

YYZ

11h 14m

1 stop

C$ 424Delta

Tue, 11 Aug - Thu, 13 Aug

3:00 p.m. - 10:03 p.m.

YYZ

PDX

10h 03m

1 stop

5:00 a.m. - 3:14 p.m.

PDX

YYZ

7h 14m

1 stop

C$ 426United Airlines

Sat, 12 Sep - Sat, 26 Sep

4:15 p.m. - 11:28 p.m.

YYZ

PDX

10h 13m

1 stop

7:25 a.m. - 9:43 p.m.

PDX

YYZ

11h 18m

1 stop

C$ 432American Airlines

Fri, 11 Sep - Sat, 19 Sep

1:30 p.m. - 6:45 p.m.

YYZ

SEA

8h 15m

1 stop

7:35 p.m. - 5:45 a.m.

SEA

YYZ

7h 10m

1 stop

C$ 443WestJet

Sun, 6 Sep - Tue, 15 Sep

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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

22 Aug

YUL9:20 a.m.Montreal Pierre Elliott Trudeau Intl

12h 51m

2 stops

PDX7:11 p.m.Portland

29 Aug

PDX3:30 p.m.Portland

12h 40m

2 stops

YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 383

Air Canada

29 Aug

YUL9:50 a.m.Montreal Pierre Elliott Trudeau Intl

12h 21m

2 stops

PDX7:11 p.m.Portland

5 Sep

PDX3:30 p.m.Portland

12h 40m

2 stops

YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 391

Air Canada

29 Aug

YUL9:50 a.m.Montreal Pierre Elliott Trudeau Intl

12h 21m

2 stops

PDX7:11 p.m.Portland

5 Sep

PDX3:30 p.m.Portland

12h 40m

2 stops

YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 394

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

9 Sep

YYZ2:45 p.m.Toronto Pearson Intl

7h 33m

1 stop

PDX7:18 p.m.Portland

30 Sep

PDX8:25 a.m.Portland

7h 37m

1 stop

YYZ7:02 p.m.Toronto Pearson Intl

C$ 419

United Airlines

12 Sep

YYZ11:00 a.m.Toronto Pearson Intl

11h 18m

1 stop

PDX7:18 p.m.Portland

22 Sep

PDX5:00 a.m.Portland

7h 14m

1 stop

YYZ3:14 p.m.Toronto Pearson Intl

C$ 426

United Airlines

29 Aug

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

13h 55m

1 stop

PDX8:10 p.m.Portland

12 Sep

PDX11:09 p.m.Portland

11h 00m

1 stop

YUL1:09 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 432

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

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

9:20 a.m.-7:11 p.m.

2 stops12h 51m

Portland

Sat 29/8

3:30 p.m.-7:10 a.m.

2 stops12h 40m

C$ 383

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

9:50 a.m.-7:11 p.m.

2 stops12h 21m

Portland

Sat 5/9

3:30 p.m.-7:10 a.m.

2 stops12h 40m

C$ 391

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 28/7

11:40 a.m.-9:44 p.m.

1 stop13h 04m

Portland

Tue 11/8

6:00 a.m.-6:34 p.m.

1 stop9h 34m

C$ 412

Quickest round-trip

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 9/9

2:45 p.m.-7:18 p.m.

1 stop7h 33m

Portland

Wed 30/9

8:25 a.m.-7:02 p.m.

1 stop7h 37m

C$ 419

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

5:34 p.m.-11:59 p.m.

1 stop9h 25m

Portland

Sat 29/8

11:34 p.m.-4:50 p.m.

1 stop14h 16m

C$ 419

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 1/10

1:30 p.m.-6:45 p.m.

1 stop8h 15m

Seattle/Tacoma Intl

Mon 5/10

7:35 p.m.-6:55 a.m.

1 stop8h 20m

C$ 422

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Tue 11/8

11:40 a.m.-9:44 p.m.

1 stop13h 04m

Portland

Thu 13/8

11:20 p.m.-1:34 p.m.

1 stop11h 14m

C$ 424

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 12/9

3:00 p.m.-10:03 p.m.

1 stop10h 03m

Portland

Sat 26/9

5:00 a.m.-3:14 p.m.

1 stop7h 14m

C$ 426

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 11/9

4:15 p.m.-11:28 p.m.

1 stop10h 13m

Portland

Sat 19/9

7:25 a.m.-9:43 p.m.

1 stop11h 18m

C$ 432

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 6/9

1:30 p.m.-6:45 p.m.

1 stop8h 15m

Seattle/Tacoma Intl

Tue 15/9

7:35 p.m.-5:45 a.m.

1 stop7h 10m

C$ 443

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$ 358. 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$ 400.

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$ 519. 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$ 841.

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$ 509. 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$ 1,197 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$ 486 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$ 402 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 40% 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$ 431
Fastest flight time	5h 18m
Direct flights	Every day
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$ 431. The best round-trip flight deal from Region of Ontario to State of Washington found on momondo in the last 72 hours is C$ 811.

The fastest flight from Region of Ontario to State of Washington takes 5h 18m

Direct flights go from Region of Ontario to State of Washington every day.

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

Search flight deals

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 July 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 54.10% of all bookings. The subsequent popular models are Boeing 777-300ER at 7.44%, De Havilland (Bombardier) DHC-8-400 Dash 8Q at 6.41%, and Boeing 737-900 Passenger/BBJ3 (winglets) at 5.13%.

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$ 227	Free Cancellation	Rating 7.8 8,474 reviews	Search Delta flights
United Airlines	PriceFrom C$ 255	Free Cancellation	Rating 7.4 10,002 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 271	Free Cancellation	Rating 7.1 11,349 reviews	Search Air Canada flights
Alaska Airlines	PriceFrom C$ 273	Free Cancellation	Rating 7.9 12,668 reviews	Search Alaska Airlines flights
WestJet	PriceFrom C$ 275	Free Cancellation	Rating 7.2 3,409 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$ 234

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 25/9. 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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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

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

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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

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Find better results for your trip to Washington

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