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 03m on average. Another popular route from Region of Ontario to State of Washington is flying from Toronto to Seattle, which will take roughly 8h 09m. 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?

28 flights are operational weekly from Region of Ontario to State of Washington as of April 2026. The most popular departure day for this route is Thu, with 18% 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 April 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 7:00p.m., with 81% of daily flights taking off in the evening.

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 35% of people opting to fly with this airline when travelling to State of Washington. Keep in mind that there are 6 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, Delta, and WestJet 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 7 operators available for flights from Ontario to Washington as of April 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$ 225 Cheap Flights from Ontario to Washington in 2026

1 adult

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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.

12:00 p.m. - 6:45 p.m.

YYZ

SEA

9h 45m

1 stop

10:30 a.m. - 11:59 p.m.

SEA

YYZ

10h 29m

2 stops

C$ 392WestJet

Sun, 3 May - Thu, 7 May

12:00 p.m. - 6:45 p.m.

YYZ

SEA

9h 45m

1 stop

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

SEA

YYZ

8h 20m

1 stop

C$ 394WestJet

Sun, 3 May - Thu, 7 May

9:20 a.m. - 7:10 p.m.

YYZ

PDX

12h 50m

2 stops

7:45 p.m. - 8:10 a.m.

PDX

YYZ

9h 25m

2 stops

C$ 395Air Canada

Sat, 2 May - Fri, 8 May

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$ 395WestJet

Wed, 6 May - Sun, 10 May

6:45 p.m. - 9:08 p.m.

YYZ

SEA

5h 23mdirect

8:00 a.m. - 3:54 p.m.

SEA

YYZ

4h 54mdirect

C$ 407Air Canada

Thu, 4 Jun - Tue, 9 Jun

3:00 p.m. - 9:06 p.m.

YYZ

PDX

9h 06m

1 stop

11:55 p.m. - 11:49 a.m.

PDX

YYZ

8h 54m

1 stop

C$ 413United Airlines

Sat, 2 May - Sat, 2 May

3:00 p.m. - 9:07 p.m.

YYZ

PDX

9h 07m

1 stop

11:55 p.m. - 7:37 p.m.

PDX

YYZ

16h 42m

1 stop

C$ 414United Airlines

Mon, 4 May - Mon, 4 May

1:15 p.m. - 10:56 p.m.

YYZ

PDX

12h 41m

1 stop

11:47 p.m. - 12:35 p.m.

PDX

YYZ

9h 48m

1 stop

C$ 416American Airlines

Fri, 1 May - Mon, 4 May

6:30 a.m. - 12:49 p.m.

YYZ

PDX

9h 19m

1 stop

5:45 a.m. - 4:35 p.m.

PDX

YYZ

7h 50m

1 stop

C$ 420Delta

Sat, 2 May - Fri, 8 May

12:09 p.m. - 10:16 p.m.

YYZ

PDX

13h 07m

1 stop

11:06 p.m. - 10:19 a.m.

PDX

YYZ

8h 13m

1 stop

C$ 422Delta

Sat, 2 May - Mon, 4 May

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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

5 May

YYZ1:30 p.m.Toronto Pearson Intl

11h 35m

1 stop

SEA10:05 p.m.Seattle/Tacoma Intl

9 May

SEA5:30 a.m.Seattle/Tacoma Intl

8h 05m

1 stop

YYZ4:35 p.m.Toronto Pearson Intl

C$ 414

Delta

2 May

YYZ6:30 a.m.Toronto Pearson Intl

9h 19m

1 stop

PDX12:49 p.m.Portland

8 May

PDX5:45 a.m.Portland

7h 50m

1 stop

YYZ4:35 p.m.Toronto Pearson Intl

C$ 420

Delta

29 Apr

YYZ11:30 a.m.Toronto Pearson Intl

13h 32m

1 stop

PDX10:02 p.m.Portland

7 May

PDX11:03 p.m.Portland

9h 12m

1 stop

YYZ11:15 a.m.Toronto Pearson Intl

C$ 421

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

2 May

YYZ9:20 a.m.Toronto Pearson Intl

12h 50m

2 stops

PDX7:10 p.m.Portland

8 May

PDX7:45 p.m.Portland

9h 25m

2 stops

YYZ8:10 a.m.Toronto Pearson Intl

C$ 395

Air Canada

4 Jun

YYZ6:45 p.m.Toronto Pearson Intl

5h 23m

SEA9:08 p.m.Seattle/Tacoma Intl

9 Jun

SEA8:00 a.m.Seattle/Tacoma Intl

4h 54m

YYZ3:54 p.m.Toronto Pearson Intl

C$ 407

Air Canada

13 May

YYZ6:45 p.m.Toronto Pearson Intl

5h 23m

SEA9:08 p.m.Seattle/Tacoma Intl

20 May

SEA7:20 p.m.Seattle/Tacoma Intl

11h 50m

2 stops

YYZ10:10 a.m.Toronto Pearson Intl

C$ 409

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

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 3/5

12:00 p.m.-6:45 p.m.

1 stop9h 45m

Seattle/Tacoma Intl

Thu 7/5

10:30 a.m.-11:59 p.m.

2 stops10h 29m

C$ 392

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 3/5

12:00 p.m.-6:45 p.m.

1 stop9h 45m

Seattle/Tacoma Intl

Thu 7/5

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

1 stop8h 20m

C$ 394

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 2/5

9:20 a.m.-7:10 p.m.

2 stops12h 50m

Portland

Fri 8/5

7:45 p.m.-8:10 a.m.

2 stops9h 25m

C$ 395

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 6/5

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

1 stop8h 15m

Seattle/Tacoma Intl

Sun 10/5

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

1 stop7h 10m

C$ 395

Quickest round-trip

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 4/6

6:45 p.m.-9:08 p.m.

Nonstop5h 23m

Seattle/Tacoma Intl

Tue 9/6

8:00 a.m.-3:54 p.m.

Nonstop4h 54m

C$ 407

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 2/5

3:00 p.m.-9:06 p.m.

1 stop9h 06m

Portland

Sat 2/5

11:55 p.m.-11:49 a.m.

1 stop8h 54m

C$ 413

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 4/5

3:00 p.m.-9:07 p.m.

1 stop9h 07m

Portland

Mon 4/5

11:55 p.m.-7:37 p.m.

1 stop16h 42m

C$ 414

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 1/5

1:15 p.m.-10:56 p.m.

1 stop12h 41m

Portland

Mon 4/5

11:47 p.m.-12:35 p.m.

1 stop9h 48m

C$ 416

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 2/5

6:30 a.m.-12:49 p.m.

1 stop9h 19m

Portland

Fri 8/5

5:45 a.m.-4:35 p.m.

1 stop7h 50m

C$ 420

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 2/5

12:09 p.m.-10:16 p.m.

1 stop13h 07m

Portland

Mon 4/5

11:06 p.m.-10:19 a.m.

1 stop8h 13m

C$ 422

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$ 352. If you’re not able to fly to State of Washington in February, then November is your next best option. Flight prices from Region of Ontario to State of Washington during November average around C$ 411.

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 Friday. momondo users have found tickets for Friday 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 Monday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Monday is C$ 839.

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$ 514. 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$ 913 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 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around C$ 462 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$ 400 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.

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$ 268
Fastest flight time	5h 19m
Direct flights	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$ 268. The best round-trip flight deal from Region of Ontario to State of Washington found on momondo in the last 72 hours is C$ 498.

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 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).

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 7 operators available for flights from Ontario to Washington as of April 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 61.92% of all bookings. The subsequent popular models are Airbus A320-100/200 at 8.50%, Boeing 777-300ER at 4.86%, and Boeing 787-9 Dreamliner at 4.75%.

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
WestJet	PriceFrom C$ 127	Free Cancellation	Rating 7.2 3,321 reviews	Search WestJet flights
United Airlines	PriceFrom C$ 250	Free Cancellation	Rating 7.4 9,602 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom C$ 270	Free Cancellation	Rating 7.9 12,252 reviews	Search Alaska Airlines flights
Delta	PriceFrom C$ 277	Free Cancellation	Rating 7.9 8,409 reviews	Search Delta flights
Air Canada	PriceFrom C$ 302	Free Cancellation	Rating 7.1 10,932 reviews	Search Air Canada flights
Hawaiian Airlines	PriceFrom C$ 371	Free Cancellation	Rating 7.8 2,839 reviews	Search Hawaiian Airlines 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$ 225

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 2/6. 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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Delta flights from Region of Ontario to State of Washington

Our best Delta 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 to State of Washington?

What cabin class options are available on Ontario to 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

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to State of Washington

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.

Find better results for your trip to Washington

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