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Cheap flights from Seattle to Yellowknife from C$ 321

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YZF
11 Feb — 18 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 12 January 2026.

Round-trip from

C$ 321

Popular in

December

Cheapest in

June

Average price

C$ 614
WestJet
  • WestJet
  • 4/7-16/7
  • 2 total stops
  • 10h 43m total
  • Seattle to Yellowknife
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 267 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Find 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 12 January 2026.

Sat 4/77:05 a.m.
SEA
-
YZF
1 stop5h 05m
WestJet
Thu 16/72:00 p.m.
YZF
-
SEA
1 stop5h 38m
WestJet
Deal found 11/1C$ 321
Thu 26/29:55 a.m.
SEA
-
YZF
1 stop13h 14m
Air Canada
Sat 28/25:30 p.m.
YZF
-
SEA
1 stop6h 27m
Air Canada
Deal found 11/1C$ 389
Thu 26/29:19 a.m.
SEA
-
YZF
2 stops13h 50m
United Airlines
Sat 28/25:30 p.m.
YZF
-
SEA
1 stop6h 27m
United Airlines
Deal found 11/1C$ 505
Sat 4/75:00 a.m.
SEA
-
YZF
2 stops17h 12m
United Airlines
Thu 16/75:15 a.m.
YZF
-
SEA
2 stops18h 03m
United Airlines
Deal found 11/1C$ 514
Mon 2/28:00 p.m.
SEA
-
YZF
1 stop27h 09m
Air Canada
Fri 6/25:30 p.m.
YZF
-
SEA
1 stop5h 36m
Air Canada
Deal found 12/1C$ 722
Fri 20/27:55 a.m.
SEA
-
YZF
1 stop6h 55m
Multiple Airlines
Sun 22/27:00 a.m.
YZF
-
SEA
1 stop8h 19m
Multiple Airlines
Deal found 12/1C$ 747
Fri 20/27:53 p.m.
SEA
-
YZF
2 stops16h 44m
WestJet
Sun 22/22:25 p.m.
YZF
-
SEA
1 stop24h 54m
WestJet
Deal found 12/1C$ 752
Thu 26/23:10 p.m.
SEA
-
YZF
2 stops23h 40m
WestJet
Sat 28/22:25 p.m.
YZF
-
SEA
3 stops21h 00m
WestJet
Deal found 11/1C$ 759
Thu 26/29:50 a.m.
SEA
-
YZF
2 stops12h 04m
Multiple Airlines
Thu 5/32:25 p.m.
YZF
-
SEA
1 stop24h 54m
Multiple Airlines
Deal found 12/1C$ 761

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 12 January 2026.
Use the filters below to find and compare flights from Seattle to Yellowknife that are best for you.

Fly from

Seattle

Fly to

Yellowknife

Route

Depart

Return

Price

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sat 4/7

7:35 p.m.-2:26 p.m.

2 stops17h 51m

Yellowknife

Thu 16/7

2:00 p.m.-6:38 p.m.

1 stop5h 38m

C$ 333

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 26/2

9:55 a.m.-12:09 a.m.

1 stop13h 14m

Yellowknife

Sat 28/2

5:30 p.m.-10:57 p.m.

1 stop6h 27m

C$ 389

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 26/2

9:19 a.m.-12:09 a.m.

2 stops13h 50m

Yellowknife

Sat 28/2

5:30 p.m.-10:57 p.m.

1 stop6h 27m

C$ 505

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sat 4/7

5:00 a.m.-11:12 p.m.

2 stops17h 12m

Yellowknife

Thu 16/7

5:15 a.m.-10:18 p.m.

2 stops18h 03m

C$ 514

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Mon 2/2

8:00 p.m.-12:09 a.m.

1 stop27h 09m

Yellowknife

Fri 6/2

5:30 p.m.-10:06 p.m.

1 stop5h 36m

C$ 722

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Fri 20/2

7:55 a.m.-3:50 p.m.

1 stop6h 55m

Yellowknife

Sun 22/2

7:00 a.m.-2:19 p.m.

1 stop8h 19m

C$ 747

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 26/2

9:55 a.m.-12:09 a.m.

1 stop13h 14m

Yellowknife

Thu 5/3

5:25 a.m.-9:31 a.m.

1 stop5h 06m

C$ 772

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sun 15/3

3:10 p.m.-4:00 p.m.

2 stops23h 50m

Yellowknife

Thu 19/3

2:25 p.m.-2:19 p.m.

1 stop24h 54m

C$ 845

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Mon 2/2

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

2 stops29h 57m

Yellowknife

Fri 6/2

5:30 p.m.-3:44 p.m.

2 stops23h 14m

C$ 850

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Fri 20/3

8:41 a.m.-4:55 p.m.

1 stop7h 14m

C$ 404

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 11 results
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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 13h 14m. Fly via WestJet, 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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