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

If you’re flying from a popular airport in Region of Ontario, such as Ottawa or Toronto, and flying into State of Washington, then you can expect flight times to average 8h 03m and 8h 09m, respectively.

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

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 39% of people opting to fly with this airline when traveling 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.

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 April 2026, 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.

$164 Cheap Flights from Ontario to Washington in 2026

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

As of April 2026, there are 4 flights per day flying from Region of Ontario to State of Washington. The most common time of day flights depart is 7:00PM, with 81% of flights taking off in the evening.

Q: 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.

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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 pm - 6:45 pm

YYZ

SEA

9h 45m

1 stop

10:30 am - 11:59 pm

SEA

YYZ

10h 29m

2 stops

$286WestJet

Sun, May 3 - Thu, May 7

12:00 pm - 6:45 pm

YYZ

SEA

9h 45m

1 stop

7:35 pm - 6:55 am

SEA

YYZ

8h 20m

1 stop

$287WestJet

Sun, May 3 - Thu, May 7

9:20 am - 7:10 pm

YYZ

PDX

12h 50m

2 stops

7:45 pm - 8:10 am

PDX

YYZ

9h 25m

2 stops

$288Air Canada

Sat, May 2 - Fri, May 8

6:45 pm - 9:08 pm

YYZ

SEA

5h 23mnonstop

7:20 pm - 10:10 am

SEA

YYZ

11h 50m

2 stops

$298Air Canada

Wed, May 13 - Wed, May 20

3:00 pm - 9:06 pm

YYZ

PDX

9h 06m

1 stop

11:55 pm - 11:49 am

PDX

YYZ

8h 54m

1 stop

$301United Airlines

Sat, May 2 - Sat, May 2

3:00 pm - 9:07 pm

YYZ

PDX

9h 07m

1 stop

11:55 pm - 7:37 pm

PDX

YYZ

16h 42m

1 stop

$302United Airlines

Mon, May 4 - Mon, May 4

1:30 pm - 10:05 pm

YYZ

SEA

11h 35m

1 stop

5:30 am - 4:35 pm

SEA

YYZ

8h 05m

1 stop

$302Delta

Tue, May 5 - Sat, May 9

1:15 pm - 10:56 pm

YYZ

PDX

12h 41m

1 stop

11:47 pm - 12:35 pm

PDX

YYZ

9h 48m

1 stop

$303American Airlines

Fri, May 1 - Mon, May 4

6:30 am - 12:49 pm

YYZ

PDX

9h 19m

1 stop

5:45 am - 4:35 pm

PDX

YYZ

7h 50m

1 stop

$306Delta

Sat, May 2 - Fri, May 8

3:45 pm - 10:49 pm

YUL

PDX

10h 04m

1 stop

11:47 pm - 11:44 am

PDX

YUL

8h 57m

1 stop

$342American Airlines

Mon, Apr 27 - Sun, May 3

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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

May 5

YYZ1:30 pmToronto Pearson Intl

11h 35m

1 stop

SEA10:05 pmSeattle/Tacoma Intl

May 9

SEA5:30 amSeattle/Tacoma Intl

8h 05m

1 stop

YYZ4:35 pmToronto Pearson Intl

$302

Delta

May 2

YYZ6:30 amToronto Pearson Intl

9h 19m

1 stop

PDX12:49 pmPortland

May 8

PDX5:45 amPortland

7h 50m

1 stop

YYZ4:35 pmToronto Pearson Intl

$306

Delta

May 2

YYZ12:09 pmToronto Pearson Intl

13h 07m

1 stop

PDX10:16 pmPortland

May 4

PDX11:06 pmPortland

8h 13m

1 stop

YYZ10:19 amToronto Pearson Intl

$308

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

May 2

YYZ9:20 amToronto Pearson Intl

12h 50m

2 stops

PDX7:10 pmPortland

May 8

PDX7:45 pmPortland

9h 25m

2 stops

YYZ8:10 amToronto Pearson Intl

$288

Air Canada

Jun 4

YYZ6:45 pmToronto Pearson Intl

5h 23m

SEA9:08 pmSeattle/Tacoma Intl

Jun 9

SEA8:00 amSeattle/Tacoma Intl

4h 54m

YYZ3:54 pmToronto Pearson Intl

$297

Air Canada

May 13

YYZ6:45 pmToronto Pearson Intl

5h 23m

SEA9:08 pmSeattle/Tacoma Intl

May 20

SEA7:20 pmSeattle/Tacoma Intl

11h 50m

2 stops

YYZ10:10 amToronto Pearson Intl

$298

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 5/3

12:00 pm-6:45 pm

1 stop9h 45m

Seattle/Tacoma Intl

Thu 5/7

10:30 am-11:59 pm

2 stops10h 29m

$286

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Sun 5/3

12:00 pm-6:45 pm

1 stop9h 45m

Seattle/Tacoma Intl

Thu 5/7

7:35 pm-6:55 am

1 stop8h 20m

$287

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 5/2

9:20 am-7:10 pm

2 stops12h 50m

Portland

Fri 5/8

7:45 pm-8:10 am

2 stops9h 25m

$288

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 5/13

6:45 pm-9:08 pm

Nonstop5h 23m

Seattle/Tacoma Intl

Wed 5/20

7:20 pm-10:10 am

2 stops11h 50m

$298

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 5/2

3:00 pm-9:06 pm

1 stop9h 06m

Portland

Sat 5/2

11:55 pm-11:49 am

1 stop8h 54m

$301

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Mon 5/4

3:00 pm-9:07 pm

1 stop9h 07m

Portland

Mon 5/4

11:55 pm-7:37 pm

1 stop16h 42m

$302

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 5/5

1:30 pm-10:05 pm

1 stop11h 35m

Seattle/Tacoma Intl

Sat 5/9

5:30 am-4:35 pm

1 stop8h 05m

$302

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Fri 5/1

1:15 pm-10:56 pm

1 stop12h 41m

Portland

Mon 5/4

11:47 pm-12:35 pm

1 stop9h 48m

$303

Quickest round-trip

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Sat 5/2

6:30 am-12:49 pm

1 stop9h 19m

Portland

Fri 5/8

5:45 am-4:35 pm

1 stop7h 50m

$306

MontrealPortland

YUL - PDX

YULPDX

Montreal Pierre Elliott Trudeau Intl

Mon 4/27

3:45 pm-10:49 pm

1 stop10h 04m

Portland

Sun 5/3

11:47 pm-11:44 am

1 stop8h 57m

$342

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?

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 $257. If you aren’t able to travel to State of Washington during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $300.

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 Thursday. Travelers who choose to depart for State of Washington on a Thursday will often find tickets for as low as $418. When flying out on a Saturday, 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 $514.

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 $429. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $549 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 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $337 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 $292 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 31% 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	$244
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 $244. The best round-trip flight deal from Region of Ontario to State of Washington found on momondo in the last 72 hours is $405.

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).

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 were last updated today.
How many operators does momondo search for flights from Ontario to Washington?
As of April 2026, 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 61.92% of the total bookings. Other popular models include Airbus A320-100/200 with 8.50%, Boeing 777-300ER with 4.86%, and Boeing 787-9 Dreamliner with 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 $192	Free Cancellation	Rating 7.2 3,321 reviews	Search WestJet flights
Alaska Airlines	PriceFrom $202	Free Cancellation	Rating 7.9 12,253 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $213	Free Cancellation	Rating 7.1 10,932 reviews	Search Air Canada flights
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 9,602 reviews	Search United Airlines flights
American Airlines	PriceFrom $277	Free Cancellation	Rating 7.1 11,593 reviews	Search American Airlines flights
Delta	PriceFrom $289	Free Cancellation	Rating 7.9 8,406 reviews	Search Delta flights

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.

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Cheap flights from Ontario to Washington from $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 6/2. 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

momondo Fare Finder

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?

What 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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