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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
6 Jun — 13 Jun1
1 adult
Thu 6/6
Thu 13/6

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 1 June 2024.

Round-trip from

C$ 421

One-way from

C$ 355
From Toronto Kitchener-Waterloo to Seattle/Tacoma Intl
Search Deals
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$ 779, or C$ 919 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$ 712. Cheapflights users have found deals in the month of October for as cheap as C$ 455. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from YKF to 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 420,726 searches. Data last updated 1 June 2024.
Sun 1/96:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Tue 17/97:00 a.m.SEA - YKF
1 stop7h 28mWestJet
Deal found 1/6C$ 411
Wed 18/96:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Mon 23/97:00 a.m.SEA - YKF
1 stop7h 28mWestJet
Deal found 1/6C$ 414
Wed 11/96:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Fri 13/91:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 1/6C$ 441
Mon 26/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Tue 3/97:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 31/5C$ 445
Wed 18/96:20 p.m.YKF - SEA
2 stops23h 28mWestJet
Mon 23/97:00 a.m.SEA - YKF
1 stop7h 28mWestJet
Deal found 1/6C$ 450
Fri 4/106:15 a.m.YKF - SEA
2 stops11h 33mWestJet
Mon 7/107:00 a.m.SEA - YKF
1 stop7h 28mWestJet
Deal found 1/6C$ 460
Fri 4/106:15 a.m.YKF - SEA
1 stop17h 11mWestJet
Mon 7/107:00 a.m.SEA - YKF
1 stop7h 28mWestJet
Deal found 1/6C$ 468
Sat 31/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Sat 7/97:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 31/5C$ 470
Fri 30/86:15 a.m.YKF - SEA
1 stop17h 06mWestJet
Sat 7/97:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 31/5C$ 482

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

Find cheap flight options from Kitchener-Waterloo to Seattle specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 420,726 searches. Prices were last updated on 1 June 2024.
Tue 25/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Sun 28/77:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 1/6C$ 591
Tue 25/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Sun 28/73:30 p.m.SEA - YKF
2 stops30h 22mWestJet
Deal found 1/6C$ 611
Tue 25/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Sun 28/77:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 31/5C$ 613
Sat 15/62:55 p.m.YKF - SEA
2 stops25h 01mMultiple Airlines
Mon 24/66:15 p.m.SEA - YKF
1 stop9h 25mMultiple Airlines
Deal found 1/6C$ 666
Wed 19/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Wed 26/61:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 1/6C$ 670
Mon 17/69:15 p.m.YKF - SEA
2 stops26h 06mMultiple Airlines
Mon 24/66:15 p.m.SEA - YKF
1 stop9h 25mMultiple Airlines
Deal found 1/6C$ 677
Sat 15/69:40 p.m.YKF - SEA
1 stop18h 16mMultiple Airlines
Mon 24/66:15 p.m.SEA - YKF
1 stop9h 25mMultiple Airlines
Deal found 1/6C$ 689
Sun 16/68:55 p.m.YKF - SEA
2 stops19h 01mMultiple Airlines
Mon 24/66:15 p.m.SEA - YKF
1 stop9h 25mMultiple Airlines
Deal found 1/6C$ 695
Wed 19/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Wed 10/77:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 1/6C$ 704

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 420,726 searches. Data last updated 1 June 2024.
Sun 1/96:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Tue 17/97:00 a.m.SEA - YKF
1 stop7h 28mWestJet
Deal found 1/6C$ 411
Wed 18/96:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Mon 23/97:00 a.m.SEA - YKF
1 stop7h 28mWestJet
Deal found 1/6C$ 414
Wed 11/96:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Fri 13/91:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 1/6C$ 441
Mon 26/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Tue 3/97:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 31/5C$ 445
Wed 18/96:20 p.m.YKF - SEA
2 stops23h 28mWestJet
Mon 23/97:00 a.m.SEA - YKF
1 stop7h 28mWestJet
Deal found 1/6C$ 450
Fri 4/106:15 a.m.YKF - SEA
2 stops11h 33mWestJet
Mon 7/107:00 a.m.SEA - YKF
1 stop7h 28mWestJet
Deal found 1/6C$ 460
Fri 4/106:15 a.m.YKF - SEA
1 stop17h 11mWestJet
Mon 7/107:00 a.m.SEA - YKF
1 stop7h 28mWestJet
Deal found 1/6C$ 468
Sat 31/86:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Sat 7/97:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 31/5C$ 470
Fri 30/86:15 a.m.YKF - SEA
1 stop17h 06mWestJet
Sat 7/97:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 31/5C$ 482

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 420,726 searches. Data last updated 1 June 2024.
Sat 15/62:55 p.m.YKF - SEA
2 stops25h 01mMultiple Airlines
Mon 24/66:15 p.m.SEA - YKF
1 stop9h 25mMultiple Airlines
Deal found 1/6C$ 666
Sat 15/69:40 p.m.YKF - SEA
1 stop18h 16mMultiple Airlines
Mon 24/66:15 p.m.SEA - YKF
1 stop9h 25mMultiple Airlines
Deal found 1/6C$ 689
Fri 14/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Thu 20/61:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 31/5C$ 751
Fri 14/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Thu 20/61:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 1/6C$ 771
Fri 7/66:15 a.m.YKF - SEA
2 stops11h 34mWestJet
Wed 12/67:00 a.m.SEA - YKF
1 stop15h 10mWestJet
Deal found 31/5C$ 849
Fri 7/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Wed 12/67:00 a.m.SEA - YKF
1 stop15h 10mWestJet
Deal found 31/5C$ 871
Wed 12/66:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Wed 19/61:50 p.m.SEA - YKF
1 stop8h 02mWestJet
Deal found 31/5C$ 880
Thu 13/66:15 a.m.YKF - SEA
2 stops29h 17mMultiple Airlines
Mon 17/68:59 p.m.SEA - YKF
2 stops24h 53mMultiple Airlines
Deal found 31/5C$ 990
Thu 13/66:15 a.m.YKF - SEA
2 stops35h 34mWestJet
Mon 17/67:00 a.m.SEA - YKF
1 stop14h 52mWestJet
Deal found 31/5C$ 1,050

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 420,726 searches. Data last updated 1 June 2024.
Wed 23/106:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Deal found 31/5C$ 216
Wed 23/106:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Deal found 1/6C$ 217
Wed 23/106:15 a.m.YKF - SEA
1 stop9h 41mWestJet
Deal found 31/5C$ 224
Wed 23/106:05 a.m.YKF - SEA
2 stops11h 25mAir Canada
Deal found 1/6C$ 254
Thu 26/96:15 a.m.YKF - SEA
2 stops11h 33mWestJet
Deal found 1/6C$ 257
Wed 23/106:05 a.m.YKF - SEA
2 stops11h 25mAir Canada
Deal found 31/5C$ 261
Thu 22/86:15 a.m.YKF - SEA
1 stop17h 06mWestJet
Deal found 31/5C$ 274
Sun 14/76:15 a.m.YKF - SEA
1 stop9h 44mWestJet
Deal found 1/6C$ 276
Thu 22/86:20 p.m.YKF - SEA
2 stops23h 26mWestJet
Deal found 31/5C$ 278

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 420,726 searches. Data last updated 1 June 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 411 - C$ 677

Route

Depart

Return

Price

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Sun 1/9

1 stop9h 41m

Seattle/Tacoma Intl

Tue 17/9

1 stop7h 28m

C$ 411

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Wed 18/9

1 stop9h 41m

Seattle/Tacoma Intl

Mon 23/9

1 stop7h 28m

C$ 414

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Wed 11/9

1 stop9h 41m

Seattle/Tacoma Intl

Fri 13/9

1 stop8h 02m

C$ 441

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Mon 26/8

1 stop9h 41m

Seattle/Tacoma Intl

Tue 3/9

1 stop14h 52m

C$ 445

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Wed 18/9

2 stops23h 28m

Seattle/Tacoma Intl

Mon 23/9

1 stop7h 28m

C$ 450

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Fri 4/10

2 stops11h 33m

Seattle/Tacoma Intl

Mon 7/10

1 stop7h 28m

C$ 460

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Fri 4/10

1 stop17h 11m

Seattle/Tacoma Intl

Mon 7/10

1 stop7h 28m

C$ 468

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Sat 15/6

2 stops25h 01m

Seattle/Tacoma Intl

Mon 24/6

1 stop9h 25m

C$ 666

Toronto Kitchener-WaterlooSeattle/Tacoma Intl

YKF - SEA

YKFSEA

Toronto Kitchener-Waterloo

Mon 17/6

2 stops26h 06m

Seattle/Tacoma Intl

Mon 24/6

1 stop9h 25m

C$ 677

Flights are sorted by cheapest first

Deals found on 1/6

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

Best time to book a flight from Kitchener-Waterloo to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Kitchener-Waterloo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 1 June 2024.
WestJet
7.5
Good
2,861 reviews
Check prices

Crew

8.1

Overall

7.5

Food

6.4

Boarding

7.7

Comfort

7.3

Entertainment

6.4

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
2,861 reviews
WestJet
7.5
Good
2,861 reviews
Check prices

Crew

8.1

Overall

7.5

Food

6.4

Boarding

7.7

Comfort

7.3

Entertainment

6.4

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
7,013 reviews
WestJet
7.5
Good
2,861 reviews
Check prices

Crew

8.1

Overall

7.5

Food

6.4

Boarding

7.7

Comfort

7.3

Entertainment

6.4

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$ 411, but on average you can expect to pay C$ 486.

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

    There are currently 16+ open flights from Toronto Kitchener-Waterloo Airport to Seattle within the next 7 days for less than C$ 700.

  • 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$ 411.

  • 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 1/6.

  • What is the cheapest month to book a flight from Toronto Kitchener-Waterloo Airport to Seattle?

    Currently, October is the cheapest month in which you can book a flight from Toronto Kitchener-Waterloo Airport to Seattle (average of C$ 308). 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.

See more FAQs

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Search flights from Kitchener-Waterloo to Seattle by cabin class

Find flights from Kitchener-Waterloo to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first 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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