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Cheap flights from Seattle to Yellowknife from C$ 304

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YZF
22 Jul — 29 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Yellowknife

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Yellowknife
Explore the most affordable flight options available from Seattle to Yellowknife. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 June 2026.

Thu 5/113:10 p.m.
SEA
-
YZF
1 stop21h 30m
WestJet
Tue 10/112:25 p.m.
YZF
-
SEA
1 stop23h 55m
WestJet
Deal found 21/6C$ 522
Thu 6/87:35 p.m.
SEA
-
YZF
1 stop16h 50m
WestJet
Thu 13/86:45 a.m.
YZF
-
SEA
1 stop27h 55m
WestJet
Deal found 22/6C$ 536
Thu 5/1110:10 a.m.
SEA
-
YZF
2 stops9h 47m
Air Canada
Tue 10/115:10 p.m.
YZF
-
SEA
1 stop5h 47m
Air Canada
Deal found 21/6C$ 545
Sat 18/710:30 a.m.
SEA
-
YZF
1 stop25h 55m
WestJet
Fri 24/76:45 a.m.
YZF
-
SEA
1 stop27h 55m
WestJet
Deal found 19/6C$ 559
Mon 20/77:00 a.m.
SEA
-
YZF
1 stop5h 25m
WestJet
Mon 3/83:15 p.m.
YZF
-
SEA
2 stops19h 25m
WestJet
Deal found 21/6C$ 586
Wed 15/710:45 a.m.
SEA
-
YZF
1 stop5h 22m
Air Canada
Sat 18/75:30 a.m.
YZF
-
SEA
1 stop5h 37m
Air Canada
Deal found 21/6C$ 587

Find flight deals from Seattle to Yellowknife

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Yellowknife (YZF). 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 22 June 2026.

Round-trip from

C$ 522

One-way from

C$ 304
WestJet
  • WestJet
  • 5/11-10/11
  • 2 total stops
  • 45h 25m total
  • Seattle to Yellowknife
Search Deals
WestJet
  • WestJet
  • 18/8
  • 1 total stop
  • 25h 55m total
  • Seattle to Yellowknife
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Yellowknife 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 629,999 searches. Data last updated 22 June 2026.
Use the filters below to find and compare flights from Seattle to Yellowknife that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Mon 20/7

7:00 a.m.-1:25 p.m.

1 stop5h 25m

Yellowknife

Mon 3/8

3:15 p.m.-9:40 a.m.

2 stops19h 25m

C$ 586
Quickest round-trip

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Wed 15/7

10:45 a.m.-5:07 p.m.

1 stop5h 22m

Yellowknife

Sat 18/7

5:30 a.m.-10:07 a.m.

1 stop5h 37m

C$ 587

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sat 18/7

10:30 a.m.-2:40 p.m.

2 stops27h 10m

Yellowknife

Fri 24/7

3:15 p.m.-9:40 a.m.

2 stops19h 25m

C$ 635

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 6/8

10:45 a.m.-9:58 p.m.

2 stops10h 13m

Yellowknife

Thu 13/8

7:00 a.m.-6:32 p.m.

2 stops12h 32m

C$ 640
Cheapest one-way
Quickest one-way

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Tue 18/8

10:30 a.m.-1:25 p.m.

1 stop25h 55m

C$ 304

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/6

Sorted by cheapest first

Best time to book a flight from Seattle to Yellowknife

Have a flexible travel schedule? Discover the best time to fly to Yellowknife from Seattle 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.

Related info for your journey

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

  • How long is the flight from Seattle to Yellowknife?

    There are many flights that can get you from Seattle to Yellowknife in 5h 22m. Fly via WestJet or Air Canada to get the fastest option. Seattle and Yellowknife are separated by a distance of 1740 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Seattle to Yellowknife that include hotel bookings?

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

  • How can I find direct flights from Seattle to Yellowknife?

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

  • Can I find deals for business class flights from Seattle to Yellowknife?

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to Yellowknife by adding a car rental and/or hotel reservation to your travel itinerary.
Yellowknife car rentals
Inuvik car rentals

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Yellowknife?

Deals for Seattle to Yellowknife 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 Seattle to Yellowknife?

Cheapflights helps you find that perfect flight to Yellowknife from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Seattle to Yellowknife with no change fees?

Yes, we can. To see specific flights from Seattle to Yellowknife with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Yellowknife become cheaper?

Yes! Start tracking prices for Seattle to Yellowknife flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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