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Cheap flights from Washington to Ontario from $121

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 11/20. 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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Find the cheapest flights from Washington to Ontario

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington to Ontario that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington to Ontario.

Cheap last minute flights

Planning a quick getaway from Washington to Ontario? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Ontario, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington to Ontario

Find recent round-trip train or bus tickets from Washington to Ontario.

All round-trip flight deals to Ontario

The cheapest plane tickets to Ontario found on KAYAK recently.
4:00 pm - 5:42 amSEA-YYZ
10h 42m1 stop
8:00 pm - 8:57 amYYZ-SEA
15h 57m1 stop
Wed, Dec 4 - Wed, Dec 11
4:00 pm - 5:42 amSEA-YYZ
10h 42m1 stop
8:00 pm - 8:57 amYYZ-SEA
15h 57m1 stop
Wed, Dec 4 - Wed, Dec 11
3:15 pm - 6:00 amSEA-YYZ
11h 45m2 stops
7:55 am - 2:21 pmYYZ-SEA
9h 26m1 stop
$277WestJet
Find Deal
Wed, Dec 4 - Wed, Dec 11
7:22 am - 2:55 pmSEA-YYZ
4h 33mnonstop
4:20 pm - 6:39 pmYYZ-SEA
5h 19mnonstop
$287Alaska Airlines
Find Deal
Sat, Dec 7 - Fri, Dec 13
3:15 pm - 6:00 amSEA-YYZ
11h 45m2 stops
7:55 am - 2:21 pmYYZ-SEA
9h 26m1 stop
$304WestJet
Find Deal
Thu, Nov 28 - Tue, Dec 3
7:22 am - 2:55 pmSEA-YYZ
4h 33mnonstop
4:20 pm - 6:39 pmYYZ-SEA
5h 19mnonstop
$305Alaska Airlines
Find Deal
Wed, Dec 4 - Wed, Dec 11
11:59 pm - 1:42 pmSEA-YYZ
10h 43m1 stop
4:10 pm - 9:11 pmYYZ-SEA
8h 01m1 stop
$314United Airlines
Find Deal
Tue, Jan 7 - Wed, Jan 8
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
$326Air Canada
Find Deal
Fri, Nov 29 - Mon, Dec 2
3:05 pm - 1:04 amSEA-YYZ
6h 59m1 stop
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
$331Air Canada
Find Deal
Wed, Nov 20 - Sat, Nov 23
8:05 am - 6:57 pmSEA-YYZ
7h 52m1 stop
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
$336United Airlines
Find Deal
Thu, Nov 28 - Thu, Dec 5
5:15 am - 6:46 amPDX-YYZ
22h 31m1 stop
Wed, Nov 20
4:00 pm - 4:35 pmSEA-YUL
21h 35m1 stop
Wed, Dec 4
3:15 pm - 6:00 amSEA-YYZ
11h 45m2 stops
$126WestJet
Find Deal
Fri, Dec 13
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
$128Alaska Airlines
Find Deal
Sat, Feb 1
11:05 pm - 9:03 amSEA-YYZ
6h 58m1 stop
$138Delta
Find Deal
Sat, Feb 1
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$139United Airlines
Find Deal
Mon, Dec 30
5:00 am - 11:34 pmGEG-YYZ
15h 34m2 stops
$141Delta
Find Deal
Sun, Dec 15
4:35 pm - 9:58 amSEA-YYZ
14h 23m2 stops
$154United Airlines
Find Deal
Sun, Nov 24
3:15 pm - 12:46 amSEA-YOW
30h 31m1 stop
$163WestJet
Find Deal
Fri, Dec 13
7:13 am - 2:55 pmSEA-YYZ
4h 42mnonstop
$169Alaska Airlines
Find Deal
Sat, Nov 30
6:39 pm - 6:46 amSEA-YYZ
9h 07m1 stop
7:40 am - 2:21 pmYYZ-SEA
9h 41m1 stop
Mon, Nov 4 - Wed, Nov 20
6:39 pm - 6:46 amSEA-YYZ
9h 07m1 stop
8:00 pm - 8:15 amYYZ-SEA
15h 15m2 stops
Mon, Nov 4 - Mon, Nov 18
10:10 am - 9:14 pmPDX-YUL
8h 04m1 stop
6:20 pm - 10:15 amYUL-PDX
18h 55m1 stop
$424Air Canada
Find Deal
Sat, Nov 2 - Tue, Nov 5
11:59 pm - 10:32 amPDX-YUL
8h 33m1 stop
1:15 pm - 8:29 pmYUL-PDX
10h 14m1 stop
$429United Airlines
Find Deal
Sat, Nov 2 - Mon, Nov 4
8:30 am - 7:48 pmPDX-YUL
8h 18m1 stop
1:15 pm - 8:29 pmYUL-PDX
10h 14m1 stop
$433United Airlines
Find Deal
Fri, Nov 1 - Mon, Nov 4
3:07 pm - 11:29 amPDX-YUL
17h 22m2 stops
7:15 am - 9:17 pmYUL-PDX
17h 02m1 stop
$438American Airlines
Find Deal
Sat, Nov 2 - Tue, Nov 5
10:05 am - 11:12 pmPDX-YUL
10h 07m2 stops
6:00 am - 5:02 pmYUL-PDX
14h 02m2 stops
$443Delta
Find Deal
Sat, Nov 2 - Tue, Nov 5
6:45 am - 11:45 amPDX-YUL
26h 00m2 stops
3:45 pm - 1:03 pmYUL-PDX
24h 18m1 stop
$487American Airlines
Find Deal
Mon, Nov 4 - Fri, Nov 8
1:54 pm - 11:10 pmPDX-YYZ
6h 16m1 stop
5:50 pm - 10:36 pmYYZ-PDX
7h 46m1 stop
$491Delta
Find Deal
Fri, Nov 1 - Mon, Nov 4
10:10 am - 9:14 pmPDX-YUL
8h 04m1 stop
6:15 pm - 9:34 amYUL-PDX
18h 19m1 stop
$519Air Canada
Find Deal
Mon, Nov 4 - Fri, Nov 8
7:22 am - 2:55 pmSEA-YYZ
4h 33mnonstop
4:20 pm - 6:39 pmYYZ-SEA
5h 19mnonstop
$287Alaska Airlines
Find Deal
Sat, Dec 7 - Fri, Dec 13
7:22 am - 2:55 pmSEA-YYZ
4h 33mnonstop
4:20 pm - 6:39 pmYYZ-SEA
5h 19mnonstop
$295Alaska Airlines
Find Deal
Sat, Dec 7 - Fri, Dec 13
7:13 am - 2:55 pmSEA-YYZ
4h 42mnonstop
4:20 pm - 6:39 pmYYZ-SEA
5h 19mnonstop
$300Alaska Airlines
Find Deal
Sat, Nov 30 - Fri, Dec 6
7:22 am - 2:55 pmSEA-YYZ
4h 33mnonstop
4:20 pm - 6:39 pmYYZ-SEA
5h 19mnonstop
$305Alaska Airlines
Find Deal
Wed, Dec 4 - Wed, Dec 11
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$314Air Canada
Find Deal
Tue, Jan 7 - Wed, Jan 8
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
$326Air Canada
Find Deal
Fri, Nov 29 - Mon, Dec 2
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
Wed, Dec 11 - Sun, Dec 15
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$412United Airlines
Find Deal
Mon, Dec 16 - Mon, Jan 6
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
$481United Airlines
Find Deal
Wed, Dec 4 - Wed, Dec 11
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
6:55 pm - 9:20 pmYYZ-SEA
5h 25mnonstop
Wed, Dec 18 - Wed, Dec 18

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
Jan 7
SEA11:59 pmSeattle/Tacoma Intl
10h 43m
1 stop
YYZ1:42 pmToronto Pearson Intl
Jan 8
YYZ4:10 pmToronto Pearson Intl
8h 01m
1 stop
SEA9:11 pmSeattle/Tacoma Intl
United Airlines
Nov 28
SEA8:05 amSeattle/Tacoma Intl
7h 52m
1 stop
YYZ6:57 pmToronto Pearson Intl
Dec 5
YYZ7:15 pmToronto Pearson Intl
5h 25m
SEA9:40 pmSeattle/Tacoma Intl
United Airlines
Nov 28
GEG5:10 amSpokane
6h 52m
1 stop
YYZ3:02 pmToronto Pearson Intl
Dec 5
YYZ8:05 amToronto Pearson Intl
10h 06m
1 stop
GEG3:11 pmSpokane

American Airlines flights from State of Washington to Region of Ontario

Our best American Airlines deals on State of Washington to Region of Ontario flight tickets
American Airlines
Nov 16
PDX10:17 pmPortland
9h 43m
1 stop
YYZ11:00 amToronto Pearson Intl
Nov 20
YYZ12:39 pmToronto Pearson Intl
11h 48m
2 stops
PDX9:27 pmPortland
American Airlines
Dec 3
SEA12:35 amSeattle/Tacoma Intl
8h 55m
1 stop
YYZ12:30 pmToronto Pearson Intl
Dec 11
YYZ11:55 amToronto Pearson Intl
12h 24m
1 stop
SEA9:19 pmSeattle/Tacoma Intl
American Airlines
Nov 16
PDX10:17 pmPortland
10h 42m
2 stops
YYZ11:59 amToronto Pearson Intl
Nov 20
YYZ11:45 amToronto Pearson Intl
11h 09m
2 stops
PDX7:54 pmPortland

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 airline that flies to Region of Ontario from State of Washington?

Alaska Airlines. Alaska Airlines, Air Canada, and WestJet are the most popular carriers operating from State of Washington to Region of Ontario

What is the cheapest State of Washington to Region of Ontario flight route?

Portland - Toronto Pearson Intl. Fly from Portland to Toronto Pearson Intl for the best State of Washington - Region of Ontario flight prices

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

You could potentially save up to 5% on your flight if you consider stops on a State of Washington to Region of Ontario flight.

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

$121

Fastest flight time

4h 33m

Direct flights

Every day

Airports in Region of Ontario

4 airports
The best one-way flight to Region of Ontario from State of Washington in the past 72 hours is $121. The best round-trip flight deal from State of Washington to Region of Ontario found on momondo in the last 72 hours is $257.
The fastest flight from State of Washington to Region of Ontario takes 4h 33m
Direct flights go from State of Washington to Region of Ontario every day.
There are 4 airports near Region of Ontario: Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Region of Waterloo Intl (YKF), Toronto Pearson Intl (YYZ)

  • 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
United AirlinesPriceFrom $172Free CancellationRating
7.4
9,240 reviews
Search United Airlines flights
Air CanadaPriceFrom $192Free CancellationRating
7.0
8,095 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $248Free CancellationRating
8.0
9,420 reviews
Search Alaska Airlines flights
WestJetPriceFrom $259Free CancellationRating
7.3
2,804 reviews
Search WestJet flights
DeltaPriceFrom $366Free CancellationRating
8.0
8,835 reviews
Search Delta flights
American AirlinesPriceFrom $465Free CancellationRating
7.2
10,000 reviews
Search American 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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