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Cheap flights from Seattle to Yellowknife from C$ 243

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YZF
29 Mar — 5 Apr1
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 27 February 2026.

Thu 23/43:10 p.m.
SEA
-
YZF
1 stop6h 44m
WestJet
Mon 27/42:15 p.m.
YZF
-
SEA
1 stop20h 25m
WestJet
Deal found 25/2C$ 310
Thu 23/410:20 a.m.
SEA
-
YZF
1 stop5h 21m
Air Canada
Mon 27/45:35 a.m.
YZF
-
SEA
1 stop5h 00m
Air Canada
Deal found 25/2C$ 360
Sun 5/43:40 p.m.
SEA
-
YZF
1 stop7h 26m
Air Canada
Wed 8/47:00 a.m.
YZF
-
SEA
2 stops16h 50m
Air Canada
Deal found 25/2C$ 387
Mon 5/107:35 p.m.
SEA
-
YZF
2 stops18h 05m
WestJet
Thu 8/103:15 p.m.
YZF
-
SEA
2 stops28h 30m
WestJet
Deal found 23/2C$ 497
Thu 12/35:40 a.m.
SEA
-
YZF
1 stop10h 04m
United Airlines
Tue 17/35:25 a.m.
YZF
-
SEA
1 stop14h 51m
United Airlines
Deal found 26/2C$ 536

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 27 February 2026.

Round-trip from

C$ 310

One-way from

C$ 243

Popular in

December

Cheapest in

September

Average price

C$ 793
WestJet
  • WestJet
  • 23/4-27/4
  • 2 total stops
  • 27h 09m total
  • Seattle to Yellowknife
Search Deals
United Airlines
  • United Airlines
  • 15/3
  • 1 total stop
  • 12h 59m total
  • Seattle to Yellowknife
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 242 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 27 February 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

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sun 5/4

3:40 p.m.-12:06 a.m.

1 stop7h 26m

Yellowknife

Wed 8/4

7:00 a.m.-10:50 p.m.

2 stops16h 50m

C$ 423

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sun 15/3

10:10 a.m.-12:09 a.m.

1 stop12h 59m

Yellowknife

Thu 19/3

5:25 a.m.-7:16 p.m.

1 stop14h 51m

C$ 536

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 12/3

5:40 a.m.-4:44 p.m.

1 stop10h 04m

Yellowknife

Tue 17/3

5:25 a.m.-7:16 p.m.

1 stop14h 51m

C$ 536

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 26/3

3:10 p.m.-10:54 p.m.

1 stop6h 44m

Yellowknife

Sun 29/3

7:00 a.m.-4:57 p.m.

2 stops10h 57m

C$ 569

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Wed 11/3

5:00 a.m.-12:09 a.m.

2 stops18h 09m

Yellowknife

Wed 18/3

5:25 a.m.-7:16 p.m.

1 stop14h 51m

C$ 651

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sun 5/4

3:40 p.m.-12:06 a.m.

1 stop7h 26m

Yellowknife

Wed 8/4

5:35 a.m.-11:27 p.m.

3 stops18h 52m

C$ 777

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sun 15/3

10:10 a.m.-12:09 a.m.

1 stop12h 59m

C$ 243

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sun 15/3

7:45 p.m.-1:37 p.m.

2 stops16h 52m

C$ 654

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/2

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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Yellowknife

How much does it cost to fly round-trip from Seattle to Yellowknife?

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 7h 26m. Fly via Air Canada or United Airlines 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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