Cheap flights from Seattle to Toronto Kitchener-Waterloo Airport from C$ 121

This is the cheapest one-way flight price, found on 21/9. Prices may vary by date and flight preferences.
SEA — YKF
26 Sep — 3 Oct1
1 adult
Economy
From?
To?
Tue 26/9
Tue 3/10

How far in advance should I book a flight from Seattle to Toronto Kitchener-Waterloo Airport?

Travellers have found it’s best to book a flight 29 days in advance to save up to 55% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 29 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Toronto Kitchener-Waterloo Airport 1-2 weeks in advance for as low as C$ 889, or C$ 1,247 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to Toronto Kitchener-Waterloo Airport?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, January can be a great choice for travel to Toronto Kitchener-Waterloo Airport. Flights to Toronto Kitchener-Waterloo Airport from Seattle in January are about C$ 738 on average during January, but can be found for as low as C$ 280.

When is the cheapest time to fly from Seattle to Toronto Kitchener-Waterloo Airport (SEA - YKF)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Toronto Kitchener-Waterloo Airport as you normally would.

Cheap WestJet flights from Seattle to Kitchener-Waterloo

Fri 6/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Wed 25/1012:55 p.m.YKF - SEA
1 stop20h 19mWestJet
Deal found 21/9C$ 645
Fri 20/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Mon 23/1012:55 p.m.YKF - SEA
1 stop20h 19mWestJet
Deal found 21/9C$ 668
Thu 19/107:05 a.m.SEA - YKF
1 stop25h 52mWestJet
Sun 22/1012:55 p.m.YKF - SEA
1 stop20h 19mWestJet
Deal found 20/9C$ 675
Fri 20/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Tue 24/1012:55 p.m.YKF - SEA
1 stop28h 44mWestJet
Deal found 20/9C$ 698
Fri 20/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Fri 27/1012:55 p.m.YKF - SEA
1 stop28h 44mWestJet
Deal found 20/9C$ 708
Thu 19/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Tue 24/1012:55 p.m.YKF - SEA
1 stop20h 19mWestJet
Deal found 20/9C$ 716
Thu 19/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Mon 23/1012:55 p.m.YKF - SEA
1 stop28h 44mWestJet
Deal found 20/9C$ 727
Fri 20/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Wed 1/1112:55 p.m.YKF - SEA
2 stops23h 05mWestJet
Deal found 20/9C$ 739
Thu 19/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Wed 1/1112:55 p.m.YKF - SEA
1 stop23h 05mWestJet
Deal found 20/9C$ 745

Cheap Seattle to Kitchener-Waterloo flights in September & October 2023

The best prices found for SEA to YKF flights for September, October
Tue 24/107:05 a.m.SEA - YKF
1 stop9h 45mMultiple Airlines
Tue 31/1011:20 a.m.YKF - SEA
2 stops36h 15mMultiple Airlines
Deal found 20/9C$ 395
Tue 17/107:05 a.m.SEA - YKF
1 stop9h 45mMultiple Airlines
Fri 3/114:40 p.m.YKF - SEA
1 stop16h 10mMultiple Airlines
Deal found 20/9C$ 411
Tue 17/107:05 a.m.SEA - YKF
1 stop9h 45mMultiple Airlines
Wed 1/1112:55 p.m.YKF - SEA
1 stop23h 05mMultiple Airlines
Deal found 20/9C$ 622
Fri 6/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Wed 25/1012:55 p.m.YKF - SEA
1 stop20h 19mWestJet
Deal found 21/9C$ 645
Tue 17/107:05 a.m.SEA - YKF
1 stop9h 45mMultiple Airlines
Sun 29/103:35 p.m.YKF - SEA
1 stop15h 08mMultiple Airlines
Deal found 20/9C$ 660
Fri 20/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Mon 23/1012:55 p.m.YKF - SEA
1 stop20h 19mWestJet
Deal found 21/9C$ 668
Thu 19/107:05 a.m.SEA - YKF
1 stop25h 52mWestJet
Sun 22/1012:55 p.m.YKF - SEA
1 stop20h 19mWestJet
Deal found 20/9C$ 675
Tue 26/94:50 p.m.SEA - YKF
3 stops29h 25mMultiple Airlines
Fri 29/94:15 a.m.YKF - SEA
2 stops13h 24mMultiple Airlines
Deal found 20/9C$ 676
Fri 20/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Tue 24/1012:55 p.m.YKF - SEA
1 stop28h 44mWestJet
Deal found 20/9C$ 698

Seattle to Kitchener-Waterloo 2023 flight deals

Cheap flights to Kitchener-Waterloo from Seattle found for this year
Tue 24/107:05 a.m.SEA - YKF
1 stop9h 45mMultiple Airlines
Tue 31/1011:20 a.m.YKF - SEA
2 stops36h 15mMultiple Airlines
Deal found 20/9C$ 395
Tue 17/107:05 a.m.SEA - YKF
1 stop9h 45mMultiple Airlines
Fri 3/114:40 p.m.YKF - SEA
1 stop16h 10mMultiple Airlines
Deal found 20/9C$ 411
Tue 17/107:05 a.m.SEA - YKF
1 stop9h 45mMultiple Airlines
Wed 1/1112:55 p.m.YKF - SEA
1 stop23h 05mMultiple Airlines
Deal found 20/9C$ 622
Fri 6/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Wed 25/1012:55 p.m.YKF - SEA
1 stop20h 19mWestJet
Deal found 21/9C$ 645
Tue 17/107:05 a.m.SEA - YKF
1 stop9h 45mMultiple Airlines
Sun 29/103:35 p.m.YKF - SEA
1 stop15h 08mMultiple Airlines
Deal found 20/9C$ 660
Fri 20/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Mon 23/1012:55 p.m.YKF - SEA
1 stop20h 19mWestJet
Deal found 21/9C$ 668
Thu 19/107:05 a.m.SEA - YKF
1 stop25h 52mWestJet
Sun 22/1012:55 p.m.YKF - SEA
1 stop20h 19mWestJet
Deal found 20/9C$ 675
Tue 26/94:50 p.m.SEA - YKF
3 stops29h 25mMultiple Airlines
Fri 29/94:15 a.m.YKF - SEA
2 stops13h 24mMultiple Airlines
Deal found 20/9C$ 676
Fri 20/103:30 p.m.SEA - YKF
1 stop17h 27mWestJet
Tue 24/1012:55 p.m.YKF - SEA
1 stop28h 44mWestJet
Deal found 20/9C$ 698

Seattle to Kitchener-Waterloo flights leaving soon

Late deals on round-trip flights to Kitchener-Waterloo from Seattle, departing today and this week
Tue 26/94:50 p.m.SEA - YKF
3 stops29h 25mMultiple Airlines
Fri 29/94:15 a.m.YKF - SEA
2 stops13h 24mMultiple Airlines
Deal found 20/9C$ 676
Tue 26/94:50 p.m.SEA - YKF
3 stops29h 25mMultiple Airlines
Fri 29/912:55 p.m.YKF - SEA
1 stop28h 44mMultiple Airlines
Deal found 20/9C$ 714
Tue 26/94:50 p.m.SEA - YKF
2 stops24h 00mMultiple Airlines
Thu 28/92:00 a.m.YKF - SEA
2 stops15h 29mMultiple Airlines
Deal found 20/9C$ 741
Thu 28/94:59 p.m.SEA - YKF
3 stops29h 16mMultiple Airlines
Sun 1/102:00 a.m.YKF - SEA
2 stops28h 45mMultiple Airlines
Deal found 20/9C$ 776
Tue 26/94:50 p.m.SEA - YKF
2 stops29h 25mMultiple Airlines
Fri 29/912:55 p.m.YKF - SEA
1 stop28h 44mMultiple Airlines
Deal found 20/9C$ 797
Thu 28/94:59 p.m.SEA - YKF
3 stops29h 16mMultiple Airlines
Sun 1/1012:55 p.m.YKF - SEA
1 stop28h 44mMultiple Airlines
Deal found 20/9C$ 820
Fri 29/95:31 p.m.SEA - YKF
3 stops28h 44mMultiple Airlines
Sun 1/1011:05 a.m.YKF - SEA
2 stops19h 40mMultiple Airlines
Deal found 20/9C$ 825
Fri 29/95:31 p.m.SEA - YKF
3 stops28h 44mMultiple Airlines
Sun 1/1012:55 p.m.YKF - SEA
1 stop28h 44mMultiple Airlines
Deal found 20/9C$ 848
Fri 29/97:05 a.m.SEA - YKF
1 stop15h 10mMultiple Airlines
Sun 1/102:00 a.m.YKF - SEA
2 stops28h 45mMultiple Airlines
Deal found 20/9C$ 906

One-way flights to Kitchener-Waterloo from Seattle

The cheapest one-way flights from Seattle to Kitchener-Waterloo
Mon 27/115:45 a.m.SEA - YKF
1 stop17h 10mMultiple Airlines
Deal found 21/9C$ 121
Wed 1/113:18 p.m.SEA - YKF
3 stops24h 37mMultiple Airlines
Deal found 21/9C$ 168
Mon 13/112:18 p.m.SEA - YKF
3 stops24h 37mMultiple Airlines
Deal found 21/9C$ 173
Tue 26/94:50 p.m.SEA - YKF
3 stops29h 25mMultiple Airlines
Deal found 19/9C$ 216
Thu 19/107:05 a.m.SEA - YKF
1 stop9h 45mMultiple Airlines
Deal found 19/9C$ 219
Tue 26/94:50 p.m.SEA - YKF
2 stops24h 00mMultiple Airlines
Deal found 19/9C$ 273
Sun 26/116:59 p.m.SEA - YKF
3 stops27h 56mMultiple Airlines
Deal found 21/9C$ 294
Tue 26/94:50 p.m.SEA - YKF
3 stops29h 25mMultiple Airlines
Deal found 21/9C$ 317
Tue 26/94:50 p.m.SEA - YKF
2 stops29h 25mMultiple Airlines
Deal found 21/9C$ 328

Find flights from Seattle to Kitchener-Waterloo within your budget

Use the slider to find flights from Seattle to Kitchener-Waterloo that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 395 - C$ 699

Route

Depart

Return

Price

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Tue 24/10

1 stop9h 45m

Toronto Kitchener-Waterloo

Tue 31/10

2 stops36h 15m

C$ 395
Pick Dates

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Tue 17/10

1 stop9h 45m

Toronto Kitchener-Waterloo

Fri 3/11

1 stop16h 10m

C$ 411
Pick Dates

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Tue 17/10

1 stop9h 45m

Toronto Kitchener-Waterloo

Wed 1/11

1 stop23h 05m

C$ 622
Pick Dates

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 6/10

1 stop17h 27m

Toronto Kitchener-Waterloo

Wed 25/10

1 stop20h 19m

C$ 645
Pick Dates

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Tue 17/10

1 stop9h 45m

Toronto Kitchener-Waterloo

Sun 29/10

1 stop15h 08m

C$ 660
Pick Dates

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 20/10

1 stop17h 27m

Toronto Kitchener-Waterloo

Mon 23/10

1 stop20h 19m

C$ 668
Pick Dates

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Thu 19/10

1 stop25h 52m

Toronto Kitchener-Waterloo

Sun 22/10

1 stop20h 19m

C$ 675
Pick Dates

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 20/10

1 stop17h 27m

Toronto Kitchener-Waterloo

Tue 24/10

1 stop28h 44m

C$ 698
Pick Dates

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Thu 19/10

1 stop9h 45m

Toronto Kitchener-Waterloo

Sun 22/10

1 stop20h 19m

C$ 699
Pick Dates

Flights are sorted by cheapest first

Deals found on 20/9

Reviews of airlines servicing Kitchener-Waterloo

WestJet
7.2
Good
916 reviews
Check prices

Food

6.2

Overall

7.2

Comfort

7.1

Entertainment

6.0

Boarding

7.3

Crew

7.9

Reviews

1 / 10

Delta cancelled half the flighta in Atlanta and the next flights aren't until next morning

WestJet
7.2
Good
916 reviews
WestJet
7.2
Good
916 reviews
Check prices

Food

6.2

Overall

7.2

Comfort

7.1

Entertainment

6.0

Boarding

7.3

Crew

7.9

Reviews

1 / 10

Delta cancelled half the flighta in Atlanta and the next flights aren't until next morning

Related info for your journey

Useful info, stats and facts about Seattle to Kitchener-Waterloo flights.

What airport do you fly from for flights from Seattle to Toronto Kitchener-Waterloo?

Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Toronto Kitchener-Waterloo. On average, Seattle/Tacoma Intl has 0 outbound flights to Toronto Kitchener-Waterloo per day from 0 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

Can I find flights from Seattle to Toronto Kitchener-Waterloo Airport for under C$ 400 on Cheapflights?

Yes, there are multiple flights from Seattle to Toronto Kitchener-Waterloo Airport for under C$ 400. The cheapest flight booked recently is on Multiple Airlines for just C$ 395, but on average you can expect to pay C$ 698.

Are there last-minute flights available from Seattle to Toronto Kitchener-Waterloo Airport for under C$ 700?

There are currently 20+ open flights from Seattle to Toronto Kitchener-Waterloo Airport within the next 7 days for less than C$ 700.

What does SEA to YKF mean?

Great question - SEA to YKF just means Seattle/Tacoma Intl Airport to Toronto Kitchener-Waterloo Airport. Now you’ll know what these unique codes when you look for flights!

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