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Cheap flights from Toronto Region of Waterloo Intl Airport to Seattle from $157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto Region of Waterloo Intl Airport to Seattle departing on 12/6. 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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Find the cheapest flights from Toronto Region of Waterloo Intl Airport to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Toronto Region of Waterloo Intl Airport to Seattle 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 Toronto Region of Waterloo Intl Airport to Seattle.

Cheap last minute flights

Planning a quick getaway from Toronto Region of Waterloo Intl Airport to Seattle? 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 Seattle, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Toronto Region of Waterloo Intl Airport to Seattle

Find recent round-trip train or bus tickets from Toronto Region of Waterloo Intl Airport to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
6:15 am - 12:56 pmYKF-SEA
9h 41m1 stop
1:50 pm - 1:10 amSEA-YKF
8h 20m1 stop
$432WestJet
Find Deal
Thu, May 1 - Tue, May 13
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
3:15 pm - 1:16 amSEA-YKF
7h 01m1 stop
$443WestJet
Find Deal
Thu, Nov 28 - Wed, Dec 4
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
3:15 pm - 1:16 amSEA-YKF
7h 01m1 stop
$444WestJet
Find Deal
Thu, Apr 10 - Mon, Apr 14
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
11:30 am - 1:16 amSEA-YKF
10h 46m2 stops
$445WestJet
Find Deal
Thu, Apr 10 - Mon, Apr 14
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
3:15 pm - 1:16 amSEA-YKF
7h 01m1 stop
$450WestJet
Find Deal
Tue, Dec 10 - Fri, Jan 17
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
3:15 pm - 1:16 amSEA-YKF
7h 01m1 stop
$458WestJet
Find Deal
Mon, Dec 9 - Wed, Dec 18
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
1:50 pm - 1:10 amSEA-YKF
8h 20m1 stop
$460WestJet
Find Deal
Thu, Apr 24 - Mon, Apr 28
6:30 am - 2:34 pmYKF-SEA
11h 04m1 stop
3:15 pm - 1:16 amSEA-YKF
7h 01m1 stop
$471WestJet
Find Deal
Sat, Mar 15 - Wed, Mar 19
6:30 am - 2:34 pmYKF-SEA
11h 04m1 stop
3:15 pm - 1:16 amSEA-YKF
7h 01m1 stop
$475WestJet
Find Deal
Sat, Mar 15 - Fri, Mar 21
6:30 am - 2:38 pmYKF-SEA
11h 08m1 stop
9:25 am - 6:55 amSEA-YKF
18h 30m1 stop
$1,083
Find Deal
Sat, Dec 21 - Sat, Dec 28
9:40 am - 10:10 pmYKF-SEA
15h 30m1 stop
$157Air Canada
Find Deal
Fri, Dec 6
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
$225WestJet
Find Deal
Mon, Jan 27
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
$230WestJet
Find Deal
Thu, Jan 30
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
$233WestJet
Find Deal
Thu, Jan 30
6:30 am - 11:55 amYKF-SEA
32h 25m3 stops
Thu, Dec 5
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
$251WestJet
Find Deal
Tue, Dec 17
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
$258WestJet
Find Deal
Tue, Dec 17
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
$264WestJet
Find Deal
Tue, Dec 3
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
$282WestJet
Find Deal
Tue, Nov 26
6:00 am - 2:25 pmYKF-SEA
11h 25m2 stops
$303Air Canada
Find Deal
Wed, Dec 18
6:30 am - 2:21 pmYKF-SEA
10h 51m1 stop
3:15 pm - 1:16 amSEA-YKF
7h 01m1 stop
$1,776WestJet
Find Deal
Mon, Nov 11 - Mon, Nov 18

WestJet flights from Toronto Region of Waterloo Intl Airport to Seattle

Our best WestJet deals on Toronto Region of Waterloo Intl Airport to Seattle flight tickets
WestJet
May 1
YKF6:15 amToronto Region of Waterloo Intl
9h 41m
1 stop
SEA12:56 pmSeattle/Tacoma Intl
May 13
SEA1:50 pmSeattle/Tacoma Intl
8h 20m
1 stop
YKF1:10 amToronto Region of Waterloo Intl
WestJet
Nov 28
YKF6:30 amToronto Region of Waterloo Intl
10h 51m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Dec 4
SEA3:15 pmSeattle/Tacoma Intl
7h 01m
1 stop
YKF1:16 amToronto Region of Waterloo Intl
WestJet
Apr 10
YKF6:30 amToronto Region of Waterloo Intl
10h 51m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Apr 14
SEA3:15 pmSeattle/Tacoma Intl
7h 01m
1 stop
YKF1:16 amToronto Region of Waterloo Intl

How to get the cheapest flight ticket from Toronto Region of Waterloo Intl Airport to Seattle

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 day to depart Toronto Region of Waterloo Intl Airport for Seattle?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Tuesday

When is the cheapest time to fly from Toronto Region of Waterloo Intl Airport to Seattle?

Toronto Region of Waterloo Intl Airport to Seattle flights are currently only available in the morning

Can stopping save me money on Toronto Region of Waterloo Intl Airport to Seattle flights?

You could potentially save up to 45% on your flight if you consider stops on a Toronto Region of Waterloo Intl Airport to Seattle flight.

When to book flights from Toronto Region of Waterloo Intl Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Toronto Region of Waterloo Intl Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Toronto Region of Waterloo Intl Airport to Seattle (YKF to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto Region of Waterloo Intl Airport to Seattle

Best Price Found

$157

Fastest flight time

8h 57m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Toronto Region of Waterloo Intl Airport in the past 72 hours is $157. The best round-trip flight deal from Toronto Region of Waterloo Intl Airport to Seattle found on momondo in the last 72 hours is $432.
The fastest flight from Toronto Region of Waterloo Intl Airport to Seattle takes 8h 57m
There are no direct flights from Toronto Region of Waterloo Intl Airport to Seattle. Popular non-direct route for this connection is Toronto Region of Waterloo Intl Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is Toronto Region of Waterloo Intl to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 2024.0 mi away from Toronto Region of Waterloo Intl. A reasonable flight in good conditions will take 9h 41m.

  • When did momondo last update prices for flights from Toronto Region of Waterloo Intl Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Toronto Region of Waterloo Intl Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Toronto Region of Waterloo Intl Airport to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Toronto Region of Waterloo Intl Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from Toronto to Seattle?

It is quick and easy to find Toronto to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

Can I find flights from Toronto to Seattle with flexible booking policies on momondo?

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

How can momondo help me find flights from Toronto to Seattle?

Once you have performed a search for Toronto to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Seattle from Toronto. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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