Cheap flights from Kitchener-Waterloo to Seattle

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Toronto (YKF)
Seattle (SEA)
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How to find the cheapest flight from
Kitchener-Waterloo (YKF) to Seattle (SEA)

All the information you need to plan the best YKF to SEA flight in 2021: compare Kitchener-Waterloo to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
How far in advance should I book a flight from Toronto Kitchener-Waterloo Airport to Seattle?

Travellers have found it’s best to book a flight 46 days in advance to save up to 14% 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 46 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 Toronto Kitchener-Waterloo Airport to Seattle 1-2 weeks in advance for as low as C$ 657, or C$ 677 for flights within the next 24 hours.

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

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

Cheap flights from Kitchener-Waterloo to Seattle in September, October 2021

The best prices found for YKF to SEA flights for September, October
30 Oct - 3 Nov
C$ 369pp
YKF
Toronto Kitchener-Waterloo
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
YKF
Toronto Kitchener-Waterloo
30 Oct - 3 Nov
C$ 375pp
YKF
Toronto Kitchener-Waterloo
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
YKF
Toronto Kitchener-Waterloo
30 Oct - 3 Nov
C$ 421pp
YKF
Toronto Kitchener-Waterloo
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YKF
Toronto Kitchener-Waterloo

Toronto Kitchener-Waterloo to Seattle 2021 flight deals

Cheap flights to Seattle from Kitchener-Waterloo found for this year
30 Oct - 3 Nov
C$ 369pp
YKF
Toronto Kitchener-Waterloo
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
YKF
Toronto Kitchener-Waterloo
30 Oct - 3 Nov
C$ 375pp
YKF
Toronto Kitchener-Waterloo
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
YKF
Toronto Kitchener-Waterloo
30 Oct - 3 Nov
C$ 421pp
YKF
Toronto Kitchener-Waterloo
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YKF
Toronto Kitchener-Waterloo

One-way flights to Seattle/Tacoma Intl from Toronto Kitchener-Waterloo

The cheapest one-way flights from Kitchener-Waterloo to Seattle
3:30 a.m. - 10:06 a.m.
Multiple Airlines
1 stop
9h 36m
YKF - SEA
Multiple Airlines
C$ 222
FlightNetwork
10:30 a.m. - 11:24 a.m.
Multiple Airlines
1 stop
27h 54m
YKF - SEA
Multiple Airlines
C$ 226
Gotogate
11:00 a.m. - 6:14 a.m.
WestJet
1 stop
22h 14m
YKF - SEA
WestJet
C$ 297
WestJet

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Kitchener-Waterloo</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Kitchener-Waterloo to Seattle

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

Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Toronto Kitchener-Waterloo to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from Toronto Kitchener-Waterloo; the airport handles an average of 0 inbound flights from Toronto Kitchener-Waterloo per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Seattle airport from Toronto Kitchener-Waterloo. It is only a 18.4 km journey from Seattle/Tacoma Intl (SEA) to Seattle’s city centre.

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

Yes, there are multiple flights from Toronto Kitchener-Waterloo Airport to Seattle for under C$ 400. The cheapest flight booked recently is on Multiple Airlines for just C$ 369, but on average you can expect to pay C$ 587.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Kitchener-Waterloo?

Information is based on travel restrictions from Toronto Kitchener-Waterloo to Seattle/Tacoma Intl

Most visitors from Toronto Kitchener-Waterloo need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Toronto Kitchener-Waterloo must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Toronto Kitchener-Waterloo are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Kitchener-Waterloo from Seattle?

Returning to Toronto Kitchener-Waterloo from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Toronto Kitchener-Waterloo.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Toronto Kitchener-Waterloo.

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for Kitchener-Waterloo to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Kitchener-Waterloo to Seattle.
Today's exchange rate
C$ 1 = $0.79
Average temperature for September in Seattle
23.0 °C
Avg rainfall for September in Seattle
26.0 mm

Airports servicing Toronto

Airports servicing Seattle

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