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

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

Which airlines fly to Region of Ontario?

Alaska Airlines, WestJet and Air Canada are the top three most popular airlines that fly to Region of Ontario from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 3 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

The flight from State of Washington to Region of Ontario depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Seattle (a popular airport in State of Washington) to Toronto Pearson Intl Airport (the most popular airport in Region of Ontario), then the flight time is 4h 32m on average. If you fly from Pasco (another popular airport in State of Washington) to Toronto Pearson Intl Airport, then the average flight time is 6h 59m.

When did momondo last update prices for flights from Washington to Ontario?

Prices for flights from Washington to Ontario are refreshed on a daily basis.

How many operators does momondo search for flights from Washington to Ontario?

There are 3 operators available for flights from Washington to Ontario as of August 2026.

How old do you have to be to fly from Washington to Ontario?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Ontario.

What documentation or ID do you need to fly to Ontario?

The necessary travel and health documents for your Ontario 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$ 184 Cheap Flights from Washington to Ontario in 2026

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

The number of flights available between State of Washington and Region of Ontario is 32 per week as of August 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

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

As of August 2026, there are 4 flights per day flying from State of Washington to Region of Ontario. The most common time of day flights depart is 8:00a.m., with 100% of flights taking off at noon.

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Find the cheapest flights from Washington to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:10 a.m. - 8:29 p.m.PDX Portland-YYZ Toronto Pearson Intl

7h 19m1 stop Vancouver Intl

8:00 a.m. - 2:51 p.m.YYZ Toronto Pearson Intl-PDX Portland

9h 51m1 stop Vancouver Intl

C$ 440Air Canada

Wed, 14 Oct - Wed, 21 Oct

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

7h 33m1 stop Vancouver Intl

8:45 a.m. - 2:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

8h 56m1 stop Vancouver Intl

C$ 456Air Canada

Tue, 1 Dec - Tue, 8 Dec

10:10 a.m. - 9:00 p.m.PDX Portland-YYZ Toronto Pearson Intl

7h 50m1 stop Vancouver Intl

8:00 a.m. - 2:51 p.m.YYZ Toronto Pearson Intl-PDX Portland

9h 51m1 stop Vancouver Intl

C$ 457Air Canada

Wed, 14 Oct - Thu, 22 Oct

6:00 a.m. - 6:34 p.m.PDX Portland-YYZ Toronto Pearson Intl

9h 34m1 stop Minneapolis St Paul

6:10 a.m. - 10:26 a.m.YYZ Toronto Pearson Intl-PDX Portland

7h 16m1 stop Detroit Metropolitan Wayne County

C$ 478Delta

Tue, 25 Aug - Wed, 2 Sep

10:55 p.m. - 10:25 a.m.PDX Portland-YYZ Toronto Pearson Intl

8h 30m1 stop Atlanta Hartsfield-Jackson

5:54 p.m. - 11:40 p.m.YYZ Toronto Pearson Intl-PDX Portland

8h 46m1 stop Salt Lake City

C$ 478Delta

Wed, 2 Sep - Wed, 16 Sep

6:45 a.m. - 9:59 p.m.PDX Portland-YYZ Toronto Pearson Intl

12h 14m1 stop Atlanta Hartsfield-Jackson

12:15 p.m. - 9:03 p.m.YYZ Toronto Pearson Intl-PDX Portland

11h 48m1 stop New York John F Kennedy Intl

C$ 478Delta

Wed, 16 Sep - Wed, 23 Sep

2:30 p.m. - 4:30 p.m.PDX Portland-YUL Montreal Pierre Elliott Trudeau Intl

23h 00m1 stop Calgary

6:45 a.m. - 1:50 p.m.YUL Montreal Pierre Elliott Trudeau Intl-PDX Portland

10h 05m2 stops Toronto Pearson Intl Calgary

C$ 509WestJet

Sat, 5 Sep - Fri, 11 Sep

7:35 p.m. - 7:05 a.m.SEA Seattle/Tacoma Intl-YUL Montreal Pierre Elliott Trudeau Intl

8h 30m1 stop Calgary

6:45 a.m. - 6:45 p.m.YUL Montreal Pierre Elliott Trudeau Intl-SEA Seattle/Tacoma Intl

15h 00m2 stops Toronto Pearson Intl Calgary

C$ 527WestJet

Fri, 25 Sep - Mon, 28 Sep

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

4h 53mdirect

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

5h 18mdirect

C$ 638Alaska Airlines

Sat, 26 Sep - Fri, 2 Oct

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

4h 53mdirect

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

5h 18mdirect

C$ 655Alaska Airlines

Sat, 26 Sep - Wed, 30 Sep

Cheap last-minute flights

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5:45 a.m. - 4:40 p.m.PDX Portland-YYZ Toronto Pearson Intl

7h 55m1 stop Salt Lake City

6:10 a.m. - 10:26 a.m.YYZ Toronto Pearson Intl-PDX Portland

7h 16m1 stop Detroit Metropolitan Wayne County

C$ 571Delta

Sat, 15 Aug - Thu, 27 Aug

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

8h 00m1 stop Minneapolis St Paul

6:14 p.m. - 10:09 p.m.YYZ Toronto Pearson Intl-PDX Portland

6h 55m1 stop Detroit Metropolitan Wayne County

C$ 576Delta

Thu, 13 Aug - Fri, 21 Aug

5:30 a.m. - 4:10 p.m.PDX Portland-YYZ Toronto Pearson Intl

7h 40m1 stop San Francisco

4:18 p.m. - 10:11 a.m.YYZ Toronto Pearson Intl-PDX Portland

20h 53m2 stops Denver Intl San Francisco

C$ 602United Airlines

Sat, 15 Aug - Thu, 27 Aug

11:02 p.m. - 4:53 p.m.PDX Portland-YTZ Toronto Island

14h 51m1 stop Chicago O'Hare Intl

6:50 a.m. - 3:56 p.m.YTZ Toronto Island-PDX Portland

12h 06m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

C$ 1,122Air Canada

Fri, 14 Aug - Fri, 21 Aug

5:50 a.m. - 5:35 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

8h 45m2 stops Vancouver Intl Regina

12:30 a.m. - 10:05 a.m.YYZ Toronto Pearson Intl-SEA Seattle/Tacoma Intl

12h 35m2 stops Ottawa Vancouver Intl

C$ 1,197Air Canada

Fri, 14 Aug - Sat, 15 Aug

7:00 a.m. - 7:55 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

9h 55m2 stops Calgary Winnipeg

5:20 p.m. - 9:40 a.m.YYZ Toronto Pearson Intl-SEA Seattle/Tacoma Intl

19h 20m2 stops Edmonton Calgary

C$ 1,222WestJet

Thu, 13 Aug - Wed, 19 Aug

9:45 p.m. - 8:50 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

20h 05m1 stop Vancouver Intl

12:09 p.m. - 6:45 p.m.YYZ Toronto Pearson Intl-SEA Seattle/Tacoma Intl

9h 36m1 stop Detroit Metropolitan Wayne County

C$ 1,226WestJet

Thu, 13 Aug - Sat, 15 Aug

11:02 p.m. - 10:18 a.m.PDX Portland-YTZ Toronto Island

8h 16m1 stop Chicago O'Hare Intl

12:15 p.m. - 6:53 p.m.YTZ Toronto Island-PDX Portland

9h 38m1 stop Chicago O'Hare Intl

C$ 1,228Air Canada

Thu, 13 Aug - Tue, 18 Aug

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

4h 45mdirect

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

5h 18mdirect

C$ 1,264Alaska Airlines

Wed, 12 Aug - Tue, 25 Aug

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

4h 45mdirect

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

5h 18mdirect

C$ 1,296Alaska Airlines

Wed, 12 Aug - Wed, 19 Aug

Cheap direct flights

Enter your travel dates to find the best prices.

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

4h 53mdirect

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

5h 18mdirect

C$ 638Alaska Airlines

Sat, 26 Sep - Fri, 2 Oct

8:00 a.m. - 3:50 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

4h 50mdirect

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

5h 19mdirect

C$ 644Air Canada

Sat, 10 Oct - Tue, 13 Oct

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

4h 41mdirect

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

5h 19mdirect

C$ 644Air Canada

Tue, 22 Sep - Tue, 6 Oct

8:00 a.m. - 3:50 p.m.SEA Seattle/Tacoma Intl-YYZ Toronto Pearson Intl

4h 50mdirect

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

5h 34mdirect

C$ 644Air Canada

Sat, 24 Oct - Sat, 31 Oct

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

4h 53mdirect

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

5h 18mdirect

C$ 655Alaska Airlines

Sat, 26 Sep - Wed, 30 Sep

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

4h 53mdirect

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

5h 19mdirect

C$ 656Multiple Airlines

Sat, 26 Sep - Tue, 6 Oct

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

4h 45mdirect

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

5h 31mdirect

C$ 668Alaska Airlines

Tue, 13 Oct - Wed, 21 Oct

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

4h 45mdirect

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

5h 31mdirect

C$ 701Alaska Airlines

Tue, 6 Oct - Wed, 14 Oct

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

4h 53mdirect

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

5h 19mdirect

C$ 950Multiple Airlines

Fri, 18 Sep - Fri, 25 Sep

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

4h 41mdirect

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

5h 19mdirect

C$ 1,055United Airlines

Mon, 28 Sep - Tue, 29 Sep

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Air Canada flights from State of Washington to Region of Ontario

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

Air Canada

14 Oct

PDX10:10 a.m.Portland

7h 19m

1 stop

YYZ8:29 p.m.Toronto Pearson Intl

21 Oct

YYZ8:00 a.m.Toronto Pearson Intl

9h 51m

1 stop

PDX2:51 p.m.Portland

C$ 440

Air Canada

25 Nov

PDX7:00 a.m.Portland

9h 35m

1 stop

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

1 Dec

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

10h 11m

1 stop

PDX2:41 p.m.Portland

C$ 456

Air Canada

14 Oct

PDX10:10 a.m.Portland

7h 50m

1 stop

YYZ9:00 p.m.Toronto Pearson Intl

22 Oct

YYZ8:00 a.m.Toronto Pearson Intl

9h 51m

1 stop

PDX2:51 p.m.Portland

C$ 457

Delta flights from State of Washington to Region of Ontario

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

Delta

25 Aug

PDX6:00 a.m.Portland

9h 34m

1 stop

YYZ6:34 p.m.Toronto Pearson Intl

2 Sep

YYZ5:50 p.m.Toronto Pearson Intl

7h 48m

1 stop

PDX10:38 p.m.Portland

C$ 478

Delta

25 Aug

PDX6:00 a.m.Portland

9h 34m

1 stop

YYZ6:34 p.m.Toronto Pearson Intl

31 Aug

YYZ6:15 a.m.Toronto Pearson Intl

10h 23m

1 stop

PDX1:38 p.m.Portland

C$ 493

Delta

17 Sep

PDX11:10 p.m.Portland

11h 24m

1 stop

YYZ1:34 p.m.Toronto Pearson Intl

20 Sep

YYZ12:25 p.m.Toronto Pearson Intl

10h 51m

1 stop

PDX8:16 p.m.Portland

C$ 509

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Wed 14/10

10:10 a.m.-8:29 p.m.

1 stop7h 19m

Toronto Pearson Intl

Wed 21/10

8:00 a.m.-2:51 p.m.

1 stop9h 51m

C$ 440

PortlandMontreal

PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl

PDXYUL

Portland

Tue 1/12

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

1 stop7h 33m

Montreal Pierre Elliott Trudeau Intl

Tue 8/12

8:45 a.m.-2:41 p.m.

1 stop8h 56m

C$ 456

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Wed 14/10

10:10 a.m.-9:00 p.m.

1 stop7h 50m

Toronto Pearson Intl

Thu 22/10

8:00 a.m.-2:51 p.m.

1 stop9h 51m

C$ 457

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Tue 25/8

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

1 stop9h 34m

Toronto Pearson Intl

Wed 2/9

6:10 a.m.-10:26 a.m.

1 stop7h 16m

C$ 478

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Wed 2/9

10:55 p.m.-10:25 a.m.

1 stop8h 30m

Toronto Pearson Intl

Wed 16/9

5:54 p.m.-11:40 p.m.

1 stop8h 46m

C$ 478

PortlandToronto

PDX Portland - YYZ Toronto Pearson Intl

PDXYYZ

Portland

Wed 16/9

6:45 a.m.-9:59 p.m.

1 stop12h 14m

Toronto Pearson Intl

Wed 23/9

12:15 p.m.-9:03 p.m.

1 stop11h 48m

C$ 478

PortlandMontreal

PDX Portland - YUL Montreal Pierre Elliott Trudeau Intl

PDXYUL

Portland

Sat 5/9

2:30 p.m.-4:30 p.m.

1 stop23h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

6:45 a.m.-1:50 p.m.

2 stops10h 05m

C$ 509

SeattleMontreal

SEA Seattle/Tacoma Intl - YUL Montreal Pierre Elliott Trudeau Intl

SEAYUL

Seattle/Tacoma Intl

Fri 25/9

7:35 p.m.-7:05 a.m.

1 stop8h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 28/9

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

2 stops15h 00m

C$ 527

Quickest round-trip

SeattleToronto

SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl

SEAYYZ

Seattle/Tacoma Intl

Sat 26/9

7:52 a.m.-3:45 p.m.

Nonstop4h 53m

Toronto Pearson Intl

Fri 2/10

4:55 p.m.-7:13 p.m.

Nonstop5h 18m

C$ 638

SeattleToronto

SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl

SEAYYZ

Seattle/Tacoma Intl

Sat 26/9

7:52 a.m.-3:45 p.m.

Nonstop4h 53m

Toronto Pearson Intl

Wed 30/9

4:55 p.m.-7:13 p.m.

Nonstop5h 18m

C$ 655

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 State of Washington to Region of Ontario

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 Region of Ontario?

In general, January is the cheapest month to fly from State of Washington to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 387. If you are unable to visit Region of Ontario during the month of January, then departing from State of Washington during the month November is also very affordable. Most momondo users find prices during this month for around C$ 415.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from State of Washington to Region of Ontario is on a Thursday. Travellers who choose to depart for Region of Ontario on a Thursday will often find tickets for as low as C$ 752. The most expensive day to fly to Region of Ontario is Monday, with ticket prices averaging around C$ 982.

What is the cheapest Washington to Ontario flight route?

Fly from Seattle/Tacoma Intl to Toronto Pearson Intl for the best Washington - Ontario flight prices

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

You are more likely to see cheaper flights to Region of Ontario from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 540 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from State of Washington for as low as C$ 443 on momondo.

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

There are 3 cabin classes available to choose from on State of Washington to Region of Ontario 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 State of Washington to Region of Ontario flights?

No. A direct flight is the cheapest option for a flight between State of Washington to Region of Ontario.

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

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

Best price found	C$ 438
Fastest flight time	4h 32m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from State of Washington in the past 72 hours is C$ 438. The best round-trip flight deal from State of Washington to Region of Ontario found on momondo in the last 72 hours is C$ 928.

The fastest flight from State of Washington to Region of Ontario takes 4h 32m

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

There are 125 airports in Region of Ontario. From State of Washington there are direct flights to Toronto Pearson Intl (YYZ).

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Frequently asked questions about flying from Washington to Ontario

When did momondo last update prices for flights from Washington to Ontario?
Prices for flights from Washington to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Ontario?
There are 3 operators available for flights from Washington to Ontario as of August 2026.
How old do you have to be to fly from Washington to Ontario?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Ontario.
What documentation or ID do you need to fly to Ontario?
The necessary travel and health documents for your Ontario 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 State of Washington to Region of Ontario?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from State of Washington to Region of Ontario is Boeing 737-900 Passenger/BBJ3 (winglets) (11.81% of total bookings). The next most popular plane models are Boeing 777-300ER (11.11%), Airbus A220-300 (9.72%), and Airbus A321neo (9.03%).

Best airlines flying from State of Washington to Region of Ontario

Compare and see reviews for airlines that fly from State of Washington to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom C$ 284	Free Cancellation	Rating 7.9 12,790 reviews	Search Alaska Airlines flights
WestJet	PriceFrom C$ 288	Free Cancellation	Rating 7.2 3,430 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 368	Free Cancellation	Rating 7.1 11,455 reviews	Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Washington.

Can I find flights from Washington to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Washington.

I’m not ready to book a flight from Washington to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular Cities in Ontario

Flights to Torontofrom C$ 134

Flights to Vancouverfrom C$ 105

Flights to Montrealfrom C$ 252

Flights to Calgaryfrom C$ 116

Flights to Halifaxfrom C$ 162

Flights to Winnipegfrom C$ 134

Flights to Ottawafrom C$ 188

Flights to Kelownafrom C$ 125

Flights to Saskatoonfrom C$ 185

Flights to St. John'sfrom C$ 241

Flights to Reginafrom C$ 217

Flights to Vancouverfrom C$ 99

Cheap flights from Washington to Ontario from C$ 184

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Ontario departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Washington to Ontario

Cheap round-trip flights

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Cheap last-minute flights

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Big names, great deals

Big names, great deals

Filter for what you want

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Air Canada flights from State of Washington to Region of Ontario

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

Delta flights from State of Washington to Region of Ontario

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

momondo Fare Finder

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

See travel insights to Ontario from

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

What is the cheapest month to fly to Region of Ontario?

What is the cheapest day to depart on your flight to Region of Ontario?

What is the cheapest Washington to Ontario flight route?

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

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

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

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

Which airlines fly to Region of Ontario?

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

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

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

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

Best price found

Fastest flight time

Direct flights

Airports in Region of Ontario

Frequently asked questions about flying from Washington to Ontario

Best airlines flying from State of Washington to Region of Ontario

Compare and see reviews for airlines that fly from State of Washington to Region of Ontario with momondo

Why use momondo?

An easier way to manage your Region of Ontario 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 Ontario

Popular Cities in Ontario

Popular flights according to clicks in the last 7 days on momondo

State of Washington flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

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