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Cheap flights from Washington to Ontario from $192

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
2:30 pm - 2:30 pmSEA  Seattle/Tacoma Intl-YOW Ottawa
21h 00m1 stop Calgary
WestJet Logo
6:10 am - 1:40 pmYOW  Ottawa-SEA Seattle/Tacoma Intl
10h 30m1 stop Calgary
$398WestJet
Sun, Jan 31 - Tue, Feb 2
WestJet Logo
2:30 pm - 2:30 pmSEA  Seattle/Tacoma Intl-YOW Ottawa
21h 00m1 stop Calgary
WestJet Logo
6:10 am - 1:40 pmYOW  Ottawa-SEA Seattle/Tacoma Intl
10h 30m1 stop Calgary
$401WestJet
Wed, Jan 27 - Sun, Jan 31
Multiple Airlines Logo
8:29 am - 4:05 pmSEA  Seattle/Tacoma Intl-YYZ Toronto Pearson Intl
4h 36mnonstop
Multiple Airlines Logo
7:30 am - 1:40 pmYYZ  Toronto Pearson Intl-SEA Seattle/Tacoma Intl
9h 10m1 stop Calgary
$418Multiple Airlines
Wed, Jan 20 - Fri, Jan 29
Multiple Airlines Logo
10:10 am - 9:09 pmSEA  Seattle/Tacoma Intl-YYZ Toronto Pearson Intl
7h 59m1 stop Vancouver Intl
Multiple Airlines Logo
6:10 am - 1:40 pmYYZ  Toronto Pearson Intl-SEA Seattle/Tacoma Intl
10h 30m1 stop Calgary
$427Multiple Airlines
Wed, Jan 20 - Fri, Jan 29
United Airlines Logo
12:30 pm - 7:30 amGEG  Spokane-YYZ Toronto Pearson Intl
16h 00m1 stop San Francisco
United Airlines Logo
10:53 am - 10:15 pmYYZ  Toronto Pearson Intl-GEG Spokane
14h 22m1 stop Chicago O'Hare Intl
$429United Airlines
Tue, Dec 8 - Wed, Dec 9
United Airlines Logo
12:30 pm - 7:30 amGEG  Spokane-YYZ Toronto Pearson Intl
16h 00m1 stop San Francisco
United Airlines Logo
9:44 am - 9:25 pmYYZ  Toronto Pearson Intl-GEG Spokane
14h 41m2 stops Newark Denver Intl
$439United Airlines
Tue, Dec 8 - Wed, Dec 9
Alaska Airlines Logo
8:33 am - 4:05 pmSEA  Seattle/Tacoma Intl-YYZ Toronto Pearson Intl
4h 32mnonstop
Alaska Airlines Logo
5:15 pm - 7:56 pmYYZ  Toronto Pearson Intl-SEA Seattle/Tacoma Intl
5h 41mnonstop
$441Alaska Airlines
Sat, Dec 12 - Tue, Dec 15
Air Canada Logo
7:45 am - 3:25 pmSEA  Seattle/Tacoma Intl-YYZ Toronto Pearson Intl
4h 40mnonstop
Air Canada Logo
6:25 pm - 8:59 pmYYZ  Toronto Pearson Intl-SEA Seattle/Tacoma Intl
5h 34mnonstop
$441Air Canada
Thu, Jan 7 - Mon, Jan 11
Air Canada Logo
7:45 am - 3:25 pmSEA  Seattle/Tacoma Intl-YYZ Toronto Pearson Intl
4h 40mnonstop
Air Canada Logo
6:25 pm - 8:59 pmYYZ  Toronto Pearson Intl-SEA Seattle/Tacoma Intl
5h 34mnonstop
$441Air Canada
Thu, Jan 7 - Sat, Jan 9
Alaska Airlines Logo
6:01 am - 4:05 pmGEG  Spokane-YYZ Toronto Pearson Intl
7h 04m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:15 pm - 11:58 pmYYZ  Toronto Pearson Intl-GEG Spokane
9h 43m1 stop Seattle/Tacoma Intl
$442Alaska Airlines
Sat, Dec 5 - Thu, Dec 10

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United Airlines flights from State of Washington to Region of Ontario

Our best United Airlines deals on State of Washington to Region of Ontario flight tickets
United Airlines
Dec 8
GEG12:30 pmSpokane
16h 00m
1 stop
YYZ7:30 amToronto Pearson Intl
Dec 9
YYZ10:53 amToronto Pearson Intl
14h 22m
1 stop
GEG10:15 pmSpokane
$429
United Airlines
Dec 8
GEG12:30 pmSpokane
16h 00m
1 stop
YYZ7:30 amToronto Pearson Intl
Dec 9
YYZ9:44 amToronto Pearson Intl
14h 41m
2 stops
GEG9:25 pmSpokane
$439
United Airlines
Nov 26
SEA7:35 pmSeattle/Tacoma Intl
8h 55m
1 stop
YYZ7:30 amToronto Pearson Intl
Nov 27
YYZ10:53 amToronto Pearson Intl
7h 39m
1 stop
SEA3:32 pmSeattle/Tacoma Intl
$446

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
Jan 8
SEA7:45 amSeattle/Tacoma Intl
4h 40m
YYZ3:25 pmToronto Pearson Intl
Jan 9
YYZ6:25 pmToronto Pearson Intl
5h 34m
SEA8:59 pmSeattle/Tacoma Intl
$441
Air Canada
Dec 12
SEA3:15 pmSeattle/Tacoma Intl
7h 21m
1 stop
YYZ1:36 amToronto Pearson Intl
Dec 18
YYZ6:25 pmToronto Pearson Intl
5h 34m
SEA8:59 pmSeattle/Tacoma Intl
$443
Air Canada
Nov 24
SEA7:05 pmSeattle/Tacoma Intl
8h 47m
1 stop
YYZ6:52 amToronto Pearson Intl
Nov 27
YYZ6:25 pmToronto Pearson Intl
5h 34m
SEA8:59 pmSeattle/Tacoma Intl
$455

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

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sun 1/31

2:30 pm-2:30 pm

1 stop21h 00m

Ottawa

Tue 2/2

6:10 am-1:40 pm

1 stop10h 30m

$398

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Wed 1/27

2:30 pm-2:30 pm

1 stop21h 00m

Ottawa

Sun 1/31

6:10 am-1:40 pm

1 stop10h 30m

$401

SeattleToronto

SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl

SEAYYZ

Seattle/Tacoma Intl

Wed 1/20

8:29 am-4:05 pm

Nonstop4h 36m

Toronto Pearson Intl

Fri 1/29

7:30 am-1:40 pm

1 stop9h 10m

$418

SeattleToronto

SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl

SEAYYZ

Seattle/Tacoma Intl

Wed 1/20

10:10 am-9:09 pm

1 stop7h 59m

Toronto Pearson Intl

Fri 1/29

6:10 am-1:40 pm

1 stop10h 30m

$427

SpokaneToronto

GEG Spokane - YYZ Toronto Pearson Intl

GEGYYZ

Spokane

Tue 12/8

12:30 pm-7:30 am

1 stop16h 00m

Toronto Pearson Intl

Wed 12/9

10:53 am-10:15 pm

1 stop14h 22m

$429

SpokaneToronto

GEG Spokane - YYZ Toronto Pearson Intl

GEGYYZ

Spokane

Tue 12/8

12:30 pm-7:30 am

1 stop16h 00m

Toronto Pearson Intl

Wed 12/9

9:44 am-9:25 pm

2 stops14h 41m

$439
Quickest round-trip

SeattleToronto

SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl

SEAYYZ

Seattle/Tacoma Intl

Sat 12/12

8:33 am-4:05 pm

Nonstop4h 32m

Toronto Pearson Intl

Tue 12/15

5:15 pm-7:56 pm

Nonstop5h 41m

$441

SeattleToronto

SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl

SEAYYZ

Seattle/Tacoma Intl

Thu 1/7

7:45 am-3:25 pm

Nonstop4h 40m

Toronto Pearson Intl

Mon 1/11

6:25 pm-8:59 pm

Nonstop5h 34m

$441

SeattleToronto

SEA Seattle/Tacoma Intl - YYZ Toronto Pearson Intl

SEAYYZ

Seattle/Tacoma Intl

Thu 1/7

7:45 am-3:25 pm

Nonstop4h 40m

Toronto Pearson Intl

Sat 1/9

6:25 pm-8:59 pm

Nonstop5h 34m

$441

SpokaneToronto

GEG Spokane - YYZ Toronto Pearson Intl

GEGYYZ

Spokane

Sat 12/5

6:01 am-4:05 pm

1 stop7h 04m

Toronto Pearson Intl

Thu 12/10

5:15 pm-11:58 pm

1 stop9h 43m

$442

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Ontario from

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

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

The month of January is, on average, the cheapest month to fly to Region of Ontario from State of Washington, with most prices found around $277. If you aren’t able to travel during the month of January, then book flights to Region of Ontario from State of Washington during March instead. Flights to Region of Ontario in March, while not as cheap as those in January, still average around $320.

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

According to our data, Tuesday is the cheapest day to fly to Region of Ontario from State of Washington. The lowest ticket price found for a Tuesday departure recently was $574. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from State of Washington to Region of Ontario on a Sunday will generally be more expensive and average around $773. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 $459 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 $318 on momondo.

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

There are 4 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

$192

Fastest flight time

4h 36m

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 $192. The best round-trip flight deal from State of Washington to Region of Ontario found on momondo in the last 72 hours is $398.
The fastest flight from State of Washington to Region of Ontario takes 4h 36m
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).
Search flight deals

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 refresh daily.

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

  • 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 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 Washington to Ontario.

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

    The required travel and health documents for your Ontario 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 Ontario. 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 State of Washington to Region of 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
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $142Free CancellationRating
7.8
8,700 reviews
Search Delta flights
Air CanadaPriceFrom $162Free CancellationRating
7.1
11,876 reviews
Search Air Canada flights
WestJetPriceFrom $240Free CancellationRating
7.2
3,436 reviews
Search WestJet flights
Alaska AirlinesPriceFrom $245Free CancellationRating
7.9
13,159 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $268Free CancellationRating
7.3
10,476 reviews
Search United Airlines 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?

Flights from Washington to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Washington to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Washington to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

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