$103 Cheap Flights from Kamloops (YKA) to Seattle (SEA)

View $103 flight on Sun, Nov 23, 2025Opens in a new window

Popular airlines from Kamloops, BC (YKA) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Kamloops to Seattle (YKA-SEA)

Prices were available within the past 7 days and start at $103 for one-way flights and $228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Wed, Oct 29 - Wed, Nov 5
YKA
Kamloops
SEA
Seattle
$228 Roundtrip, found 4 days ago
$228
Roundtrip
found 4 days ago
Select WestJet flight, departing Wed, Oct 29 from Kamloops to Seattle, returning Wed, Nov 5, priced at $228 found 4 days ago
WestJet
Tue, Mar 24 - Sun, Mar 29
YKA
Kamloops
SEA
Seattle
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select WestJet flight, departing Tue, Mar 24 from Kamloops to Seattle, returning Sun, Mar 29, priced at $249 found 1 day ago
WestJet
Wed, Oct 29 - Wed, Nov 5
YKA
Kamloops
SEA
Seattle
$297 Roundtrip, found 4 days ago
$297
Roundtrip
found 4 days ago
Select WestJet flight, departing Wed, Oct 29 from Kamloops to Seattle, returning Wed, Nov 5, priced at $297 found 4 days ago
WestJet
Wed, Oct 29 - Wed, Nov 5
YKA
Kamloops
SEA
Seattle
$328 Roundtrip, found 4 days ago
$328
Roundtrip
found 4 days ago
Select WestJet flight, departing Wed, Oct 29 from Kamloops to Seattle, returning Wed, Nov 5, priced at $328 found 4 days ago
WestJet
Mon, Oct 13 - Mon, Oct 20
YKA
Kamloops
SEA
Seattle
$357 Roundtrip, found 3 days ago
$357
Roundtrip
found 3 days ago
Select WestJet flight, departing Mon, Oct 13 from Kamloops to Seattle, returning Mon, Oct 20, priced at $357 found 3 days ago
WestJet
Tue, Mar 24 - Sun, Mar 29
YKA
Kamloops
SEA
Seattle
$450 Roundtrip, found 1 day ago
$450
Roundtrip
found 1 day ago
Select WestJet flight, departing Tue, Mar 24 from Kamloops to Seattle, returning Sun, Mar 29, priced at $450 found 1 day ago
WestJet
Fri, Oct 31 - Fri, Nov 7
YKA
Kamloops
SEA
Seattle
$471 Roundtrip, found 3 days ago
$471
Roundtrip
found 3 days ago
Select WestJet flight, departing Fri, Oct 31 from Kamloops to Seattle, returning Fri, Nov 7, priced at $471 found 3 days ago
WestJet
Tue, Mar 24 - Sun, Mar 29
YKA
Kamloops
SEA
Seattle
$476 Roundtrip, found 1 day ago
$476
Roundtrip
found 1 day ago
Select WestJet flight, departing Tue, Mar 24 from Kamloops to Seattle, returning Sun, Mar 29, priced at $476 found 1 day ago
WestJet
Fri, Oct 31 - Fri, Nov 7
YKA
Kamloops
SEA
Seattle
$484 Roundtrip, found 3 days ago
$484
Roundtrip
found 3 days ago
Select WestJet flight, departing Fri, Oct 31 from Kamloops to Seattle, returning Fri, Nov 7, priced at $484 found 3 days ago
WestJet
Fri, Oct 3 - Sun, Oct 5
YKA
Kamloops
SEA
Seattle
$607 Roundtrip, found 5 hours ago
$607
Roundtrip
found 5 hours ago
Select WestJet flight, departing Fri, Oct 3 from Kamloops to Seattle, returning Sun, Oct 5, priced at $607 found 5 hours ago

Find the cheapest month to fly from Kamloops (YKA) to Seattle (SEA)

May is typically the cheapest month to fly

From $182 - $566 per traveler.

Frequently asked questions

How much does a flight from Kamloops Airport (YKA) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight from $103 or cheap return flight from $228 from Kamloops Airport (YKA) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Kamloops Airport (YKA) to Seattle - Tacoma Intl. Airport (SEA)?
Planning your getaway for October may help you find better deals, as it's the cheapest month for flights between YKA and SEA. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Kamloops Airport (YKA) to Seattle - Tacoma Intl. Airport (SEA)?
To find the cheapest airline that'll fly you from YKA to SEA, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Kamloops Airport (YKA) to Seattle - Tacoma Intl. Airport (SEA)?
You'll have to book a flight with a layover when traveling from Kamloops Airport (YKA) to Seattle - Tacoma Intl. Airport (SEA). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from YKA to SEA?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kamloops Airport (YKA) to Seattle - Tacoma Intl. Airport (SEA)?
Opt for a flight from Kamloops Airport (YKA) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kamloops Airport (YKA) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Holding off until right before your break to book a ticket from YKA to SEA often results in higher prices. While you might find some last-minute deals, there's no guarantee. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book a YKA to SEA flight and hotel package?
You'll generally save money by securing a YKA to SEA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal accommodations and flights, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Kamloops Airport (YKA) to Seattle - Tacoma Intl. Airport (SEA)?
In most instances, you can cancel or modify your YKA to SEA flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want further information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Kamloops
Destination airport
Seattle - Tacoma Intl.
Airlines serving
WestJet
Roundtrip price
$228
Distance
240 mi

Book with confidence

Book with confidence

Kamloops to Seattle Flights

The cheapest times to fly from Kamloops to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kamloops to Seattle are during the month of October. You can find some of the cheapest flights from Kamloops to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kamloops to Seattle

Sunday is one of the best days to book for cheap flights from Kamloops to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kamloops to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kamloops to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $103 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kamloops to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kamloops to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Kamloops to Seattle Flights

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*Available to One Key members.