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Cheap flights from Seattle to Yellowknife from C$ 368

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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YZF
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

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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 4 November 2025.

Thu 27/113:10 p.m.SEA - YZF
2 stops23h 54mWestJet
Sun 30/117:00 a.m.YZF - SEA
1 stop8h 20mWestJet
Deal found 3/11C$ 789
Sun 16/113:10 p.m.SEA - YZF
1 stop21h 30mWestJet
Wed 19/112:25 p.m.YZF - SEA
1 stop24h 55mWestJet
Deal found 4/11C$ 827
Thu 18/123:10 p.m.SEA - YZF
1 stop6h 50mWestJet
Thu 25/122:25 p.m.YZF - SEA
1 stop24h 55mWestJet
Deal found 3/11C$ 831
Sun 16/1110:05 a.m.SEA - YZF
1 stop13h 04mAir Canada
Wed 19/117:00 a.m.YZF - SEA
2 stops8h 31mAir Canada
Deal found 4/11C$ 921
Sun 16/115:30 a.m.SEA - YZF
2 stops17h 39mUnited Airlines
Wed 19/115:25 a.m.YZF - SEA
2 stops16h 26mUnited Airlines
Deal found 3/11C$ 1,033

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 4 November 2025.

Round-trip from

C$ 789

One-way from

C$ 368

Popular in

November

Cheapest in

September

Average price

C$ 1,043
WestJet
  • WestJet
  • 27/11-30/11
  • 3 total stops
  • 32h 14m total
  • Seattle to Yellowknife
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30/11
  • 30/11
  • 1 total stop
  • 16h 45m total
  • Seattle to Yellowknife
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (C$ 318 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 4 November 2025.
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

Fri 23/1

3:40 p.m.-12:09 a.m.

1 stop7h 29m

Yellowknife

Wed 28/1

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

1 stop5h 36m

C$ 382

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Mon 5/1

3:40 p.m.-12:09 a.m.

1 stop7h 29m

Yellowknife

Fri 9/1

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

1 stop5h 06m

C$ 487

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Fri 23/1

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

2 stops18h 09m

Yellowknife

Wed 28/1

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

1 stop5h 36m

C$ 500

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Mon 5/1

5:05 p.m.-12:09 a.m.

2 stops30h 04m

Yellowknife

Fri 9/1

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

1 stop5h 36m

C$ 632

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 30/4

7:05 a.m.-1:10 p.m.

1 stop5h 05m

Yellowknife

Mon 4/5

2:00 p.m.-8:28 p.m.

1 stop7h 28m

C$ 705

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Mon 5/1

7:12 p.m.-12:09 a.m.

2 stops27h 57m

Yellowknife

Fri 9/1

5:25 a.m.-9:12 p.m.

3 stops16h 47m

C$ 751

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 27/11

3:10 p.m.-4:04 p.m.

2 stops23h 54m

Yellowknife

Sun 30/11

7:00 a.m.-2:20 p.m.

1 stop8h 20m

C$ 789

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 30/4

7:05 a.m.-1:10 p.m.

1 stop5h 05m

Yellowknife

Mon 4/5

2:00 p.m.-8:28 p.m.

1 stop7h 28m

C$ 809

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sun 30/11

11:10 p.m.-4:55 p.m.

1 stop16h 45m

C$ 368

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sun 15/3

9:42 p.m.-4:55 p.m.

1 stop18h 13m

C$ 407

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 12 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.

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 29m. 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

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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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