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Cheap flights from Toronto Kitchener-Waterloo Airport to Seattle from C$ 216

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YKF — SEA
25 May — 1 Jun1
1 adult
Sat 25/5
Sat 1/6

Cheap flight deals from Kitchener-Waterloo to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Kitchener-Waterloo (YKF) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 May 2024.

Round-trip from

C$ 412

One-way from

C$ 280
From Toronto Kitchener-Waterloo to Seattle/Tacoma Intl
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One-way flight from Toronto Kitchener-Waterloo to Seattle/Tacoma Intl
Search Deals

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 51 days in advance to save up to 75% 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 51 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$ 777, or C$ 917 for flights within the next 24 hours.

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

October can be a great time to fly to Seattle from Toronto Kitchener-Waterloo Airport with a flight ticket averaging about C$ 714. Cheapflights users have found deals in the month of October for as cheap as C$ 509. The most expensive prices can be found in the month of December.

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

It’s typically best to fly out from Toronto Kitchener-Waterloo Airport to Seattle in the morning. Doing so could potentially save you 14% on the flight price compared to flying at noon, which is usually more expensive.

Cheap WestJet flights from Kitchener-Waterloo to Seattle

Explore cheap flight options specifically provided by WestJet for the route between Kitchener-Waterloo and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 406,307 searches. Data last updated 20 May 2024.
Fri 23/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Mon 26/87:00 a.m.SEA - YKF
1 stop7h 23mWestJet
Deal found 19/5C$ 430
Sat 7/96:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Tue 10/91:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 18/5C$ 433
Thu 5/96:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Mon 9/97:00 a.m.SEA - YKF
1 stop7h 23mWestJet
Deal found 20/5C$ 434
Sun 8/96:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Mon 16/97:00 a.m.SEA - YKF
1 stop7h 28mWestJet
Deal found 19/5C$ 437
Fri 23/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Wed 28/81:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 19/5C$ 441
Tue 13/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Tue 20/81:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 19/5C$ 455
Sun 8/96:15 a.m.YKF - SEA
2 stops11h 31mWestJet
Thu 12/91:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 19/5C$ 460
Fri 23/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Tue 27/87:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 19/5C$ 495
Tue 13/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Fri 16/81:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 18/5C$ 509

Cheap Kitchener-Waterloo to Seattle flights in May & June 2024

Find cheap flight options from Kitchener-Waterloo to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 406,307 searches. Prices were last updated on 20 May 2024.
Wed 26/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Sat 29/61:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 19/5C$ 539
Sat 22/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Wed 26/61:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 19/5C$ 559
Wed 19/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Wed 26/67:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 20/5C$ 592
Tue 18/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Tue 25/66:15 p.m.SEA - YKF
1 stop27h 37mWestJet
Deal found 20/5C$ 606
Mon 17/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Tue 25/66:15 p.m.SEA - YKF
1 stop27h 37mWestJet
Deal found 20/5C$ 608
Mon 17/66:15 a.m.YKF - SEA
2 stops11h 31mWestJet
Tue 25/66:15 p.m.SEA - YKF
1 stop27h 37mWestJet
Deal found 20/5C$ 612
Sat 1/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Tue 4/67:00 a.m.SEA - YKF
1 stop15h 10mWestJet
Deal found 19/5C$ 614
Thu 6/69:40 p.m.YKF - SEA
1 stop25h 40mMultiple Airlines
Mon 10/63:30 p.m.SEA - YKF
1 stop25h 25mMultiple Airlines
Deal found 19/5C$ 642
Tue 25/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Sun 28/77:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 19/5C$ 667

Kitchener-Waterloo to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Kitchener-Waterloo and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 406,307 searches. Data last updated 20 May 2024.
Fri 23/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Mon 26/87:00 a.m.SEA - YKF
1 stop7h 23mWestJet
Deal found 19/5C$ 430
Sat 7/96:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Tue 10/91:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 18/5C$ 433
Thu 5/96:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Mon 9/97:00 a.m.SEA - YKF
1 stop7h 23mWestJet
Deal found 20/5C$ 434
Sun 8/96:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Mon 16/97:00 a.m.SEA - YKF
1 stop7h 28mWestJet
Deal found 19/5C$ 437
Fri 23/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Wed 28/81:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 19/5C$ 441
Tue 13/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Tue 20/81:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 19/5C$ 455
Sun 8/96:15 a.m.YKF - SEA
2 stops11h 31mWestJet
Thu 12/91:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 19/5C$ 460
Fri 23/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Tue 27/87:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 19/5C$ 495
Tue 16/76:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Thu 25/71:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 20/5C$ 509

Kitchener-Waterloo to Seattle flights leaving soon

Find last-minute flight options from Kitchener-Waterloo to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 406,307 searches. Data last updated 20 May 2024.
Sun 26/56:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Sun 2/67:00 a.m.SEA - YKF
1 stop15h 10mWestJet
Deal found 19/5C$ 830
Sun 26/56:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Sun 2/67:00 a.m.SEA - YKF
1 stop15h 10mWestJet
Deal found 19/5C$ 896
Thu 30/56:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Fri 31/57:00 a.m.SEA - YKF
1 stop15h 10mWestJet
Deal found 18/5C$ 1,028
Thu 30/56:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Fri 31/57:22 a.m.SEA - YKF
2 stops14h 48mWestJet
Deal found 18/5C$ 1,048
Tue 28/56:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Sat 1/67:00 a.m.SEA - YKF
1 stop15h 10mWestJet
Deal found 20/5C$ 1,292
Tue 28/56:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Sat 1/61:50 p.m.SEA - YKF
1 stop8h 20mWestJet
Deal found 20/5C$ 1,693

One-way flights to Seattle from Kitchener-Waterloo

Search for one-way flight options from Kitchener-Waterloo to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 406,307 searches. Data last updated 20 May 2024.
Wed 23/106:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Deal found 19/5C$ 216
Thu 22/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Deal found 19/5C$ 237
Tue 8/106:20 p.m.YKF - SEA
1 stop21h 36mWestJet
Deal found 19/5C$ 253
Thu 26/96:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Deal found 19/5C$ 259
Wed 23/106:05 a.m.YKF - SEA
2 stops11h 25mAir Canada
Deal found 19/5C$ 261
Thu 24/101:40 p.m.YKF - SEA
1 stop11h 36mAir Canada
Deal found 19/5C$ 268
Thu 24/106:20 p.m.YKF - SEA
1 stop21h 36mWestJet
Deal found 19/5C$ 274
Mon 5/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Deal found 20/5C$ 275
Thu 24/106:05 a.m.YKF - SEA
2 stops11h 25mAir Canada
Deal found 19/5C$ 280

Find flights from Kitchener-Waterloo to Seattle within your budget

Customize your flight search to find flights from Kitchener-Waterloo to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 406,307 searches. Data last updated 20 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 430 - C$ 678

Route

Depart

Return

Price

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Fri 23/8

1 stop9h 41m

Seattle/Tacoma Intl

Mon 26/8

1 stop7h 23m

C$ 430

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Sat 7/9

1 stop9h 41m

Seattle/Tacoma Intl

Tue 10/9

1 stop8h 02m

C$ 433

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Thu 5/9

1 stop9h 41m

Seattle/Tacoma Intl

Mon 9/9

1 stop7h 23m

C$ 434

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Sun 8/9

1 stop9h 41m

Seattle/Tacoma Intl

Mon 16/9

1 stop7h 28m

C$ 437

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Fri 23/8

1 stop9h 41m

Seattle/Tacoma Intl

Wed 28/8

1 stop8h 02m

C$ 441

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Tue 13/8

1 stop9h 41m

Seattle/Tacoma Intl

Tue 20/8

1 stop8h 02m

C$ 455

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Sun 8/9

2 stops11h 31m

Seattle/Tacoma Intl

Thu 12/9

1 stop8h 02m

C$ 460

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Thu 6/6

1 stop25h 40m

Seattle/Tacoma Intl

Mon 10/6

1 stop25h 25m

C$ 642

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Fri 7/6

2 stops18h 41m

Seattle/Tacoma Intl

Mon 10/6

1 stop25h 25m

C$ 678

Flights are sorted by cheapest first

Deals found on 19/5

No data available for this route at this time. Please check back soon.

Average price of flights to Seattle by month

Plan your trip from Kitchener-Waterloo to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Kitchener-Waterloo to Seattle is currently C$ 258 while a round-trip flight costs C$ 490. Price data was last updated on 19 May 2024.

Currently, October is the cheapest month in which you can book a flight from Toronto Kitchener-Waterloo Airport to Seattle (average of C$ 302). Flying from Toronto Kitchener-Waterloo Airport to Seattle in March is currently the most expensive (average of C$ 420). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

C$ 444

February

C$ 459

March

C$ 572

April

C$ 561

May

C$ 436

June

C$ 487

July

C$ 546

August

C$ 557

September

C$ 543

October

C$ 411

November

C$ 430

December

C$ 480

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

5 - 19 °C

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 20 May 2024.
WestJet
7.5
Good
2,895 reviews
Check prices

Food

6.5

Boarding

7.7

Comfort

7.3

Crew

8.2

Entertainment

6.5

Overall

7.5

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

WestJet
7.5
Good
2,895 reviews
WestJet
7.5
Good
2,895 reviews
Check prices

Food

6.5

Boarding

7.7

Comfort

7.3

Crew

8.2

Entertainment

6.5

Overall

7.5

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Air Canada
7.0
Good
6,950 reviews
WestJet
7.5
Good
2,895 reviews
Check prices

Food

6.5

Boarding

7.7

Comfort

7.3

Crew

8.2

Entertainment

6.5

Overall

7.5

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Related info for your journey

Find useful and relevant information for your journey from Kitchener-Waterloo to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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$ 500 on Cheapflights?

    Yes, there are multiple flights from Toronto Kitchener-Waterloo Airport to Seattle for under C$ 500. The cheapest flight booked recently is on WestJet for just C$ 430, but on average you can expect to pay C$ 520.

  • Are there last-minute flights available from Toronto Kitchener-Waterloo Airport to Seattle for under C$ 900?

    There are currently 6+ open flights from Toronto Kitchener-Waterloo Airport to Seattle within the next 7 days for less than C$ 900.

  • What is the cheapest airline to fly from Toronto Kitchener-Waterloo Airport to Seattle round-trip?

    Cheapflights users have booked flights from Toronto Kitchener-Waterloo Airport to Seattle round-trip from C$ 430.

  • What does YKF to SEA mean?

    This is defined as Toronto Kitchener-Waterloo Airport (YKF) and Seattle/Tacoma Intl Airport (SEA). Codes like Seattle/Tacoma Intl Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Kitchener-Waterloo to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Kitchener-Waterloo to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Kitchener-Waterloo to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Kitchener-Waterloo to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Kitchener-Waterloo to Seattle that include hotel bookings?

    Yes. In addition to deals on Kitchener-Waterloo to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kitchener-Waterloo to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kitchener-Waterloo to Seattle.

  • Can I find deals for business class flights from Kitchener-Waterloo to Seattle?

    Yes. Cheapflights offers flight deals from Kitchener-Waterloo to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Kitchener-Waterloo to Seattle that allow pets onboard?

    Many airlines flying from Kitchener-Waterloo to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Kitchener-Waterloo to Seattle?

    Yes, you can often find last-minute deals on Kitchener-Waterloo to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Toronto Kitchener-Waterloo Airport to Seattle flight deals updated?

    The Toronto Kitchener-Waterloo Airport to Seattle flight deals you see on this page were last updated on 20/5.

See more FAQs

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Search flights from Kitchener-Waterloo to Seattle by cabin class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Kitchener-Waterloo to Seattle?

Deals for Kitchener-Waterloo to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Kitchener-Waterloo to Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Kitchener-Waterloo to Seattle.

Can Cheapflights find flights from Kitchener-Waterloo to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Kitchener-Waterloo to Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Kitchener-Waterloo to Seattle become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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