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Yellowknife

$179+ Cheap flights from Seattle (SEA) to Yellowknife (YZF)

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YZF
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
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Cheap flight deals from Seattle to Yellowknife

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 January 22, 2026.

This Air Canada deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:05 am
SEA
-
YZF
1 stop13h 04m
Air Canada
Thu 4/95:20 pm
YZF
-
SEA
1 stop5h 50m
Air Canada
Deal found 1/21$292
This Air Canada deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/263:40 pm
SEA
-
YZF
1 stop7h 29m
Air Canada
Sun 3/297:00 am
YZF
-
SEA
2 stops9h 03m
Air Canada
Deal found 1/22$499
This Justfly.com deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/199:38 am
SEA
-
YZF
2 stops12h 16m
WestJet
Sun 3/222:25 pm
YZF
-
SEA
1 stop24h 54m
WestJet
Deal found 1/22$507
This Air Canada deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/265:50 am
SEA
-
YZF
2 stops14h 07m
Air Canada
Mon 3/307:00 am
YZF
-
SEA
2 stops9h 03m
Air Canada
Deal found 1/22$518
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:55 am
SEA
-
YZF
1 stop7h 05m
Multiple Airlines
Fri 3/137:00 am
YZF
-
SEA
1 stop8h 19m
Multiple Airlines
Deal found 1/20$545
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:55 am
SEA
-
YZF
2 stops24h 42m
WestJet
Fri 3/137:00 am
YZF
-
SEA
1 stop8h 19m
WestJet
Deal found 1/20$553
This Kiwi.com deal was found by Cheapflights users on 1/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/811:08 pm
SEA
-
YZF
2 stops15h 52m
Multiple Airlines
Sun 3/157:00 am
YZF
-
SEA
1 stop8h 19m
Multiple Airlines
Deal found 1/22$597
This United Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:10 pm
SEA
-
YZF
2 stops27h 59m
United Airlines
Thu 3/121:00 am
YZF
-
SEA
2 stops22h 45m
United Airlines
Deal found 1/20$599
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:55 pm
SEA
-
YZF
2 stops16h 42m
Multiple Airlines
Mon 3/95:45 pm
YZF
-
SEA
1 stop14h 17m
Multiple Airlines
Deal found 1/20$608
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2611:08 pm
SEA
-
YZF
2 stops13h 29m
Multiple Airlines
Sun 3/17:00 am
YZF
-
SEA
1 stop8h 19m
Multiple Airlines
Deal found 1/21$617

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 January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$292
(Air Canada)

One-way from

$179
(Air Canada)

Popular in

December

Cheapest in

June

Average price

$442
Provider with most accurate pricing for Seattle/Tacoma Intl-Yellowknife flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Yellowknife flights.
Search Deals
From Seattle/Tacoma Intl to Yellowknife
Search Deals
One-way flight from Seattle/Tacoma Intl to Yellowknife
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($139 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 2,558,603 searches. Data last updated January 22, 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

Tue 3/24

10:05 am-12:09 am

1 stop13h 04m

Yellowknife

Thu 4/9

5:20 pm-10:10 pm

1 stop5h 50m

$292

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 3/19

9:38 am-10:54 pm

2 stops12h 16m

Yellowknife

Sun 3/22

2:25 pm-2:19 pm

1 stop24h 54m

$507

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Fri 3/6

7:55 am-4:00 pm

1 stop7h 05m

Yellowknife

Fri 3/13

7:00 am-2:19 pm

1 stop8h 19m

$545

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Fri 3/6

11:55 am-1:37 pm

2 stops24h 42m

Yellowknife

Fri 3/13

7:00 am-2:19 pm

1 stop8h 19m

$553

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 3/26

3:40 pm-12:09 am

1 stop7h 29m

Yellowknife

Sun 3/29

5:40 am-9:33 am

1 stop4h 53m

$554

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Fri 3/6

7:10 pm-12:09 am

2 stops27h 59m

Yellowknife

Thu 3/12

1:00 am-10:45 pm

2 stops22h 45m

$599

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Tue 3/3

7:55 pm-1:37 pm

2 stops16h 42m

Yellowknife

Mon 3/9

5:45 pm-7:02 am

1 stop14h 17m

$608

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 2/19

3:10 pm-10:54 pm

1 stop6h 44m

Yellowknife

Sun 2/22

7:00 am-10:25 am

2 stops28h 25m

$621

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sun 3/15

5:40 pm-1:37 pm

2 stops18h 57m

Yellowknife

Thu 3/19

2:25 pm-2:19 pm

1 stop24h 54m

$640

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Wed 3/11

8:00 pm-8:57 pm

2 stops23h 57m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 18 results
1
2
  • Most accurate provider: When it comes to deals on Seattle-Yellowknife flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Yellowknife flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Yellowknife flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Yellowknife flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Yellowknife flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Reviews of airlines servicing Yellowknife

Get insights into the airlines that provide service to Yellowknife. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Yellowknife. Reviews last updated January 22, 2026.
Read through reviews of airlines operating flights from Seattle to Yellowknife, such as WestJet and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,246 reviews

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

Overall

7.2

Reviews

1 / 20
4.0
Okay

Josh,Nov 2025

LAS - YEG

Very cramped seats, incredibly poor customer service when arriving at the airport.
WestJet
7.2
Good
3,246 reviews
WestJet
7.2
Good
3,246 reviews

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

Overall

7.2

Reviews

1 / 20
4.0
Okay

Josh,Nov 2025

LAS - YEG

Very cramped seats, incredibly poor customer service when arriving at the airport.
Air Canada
7.1
Good
10,646 reviews
WestJet
7.2
Good
3,246 reviews

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

Overall

7.2

Reviews

1 / 20
4.0
Okay

Josh,Nov 2025

LAS - YEG

Very cramped seats, incredibly poor customer service when arriving at the airport.

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?

    Airlines like Air Canada and WestJet fly from Seattle to Yellowknife in about 12h 16m. The time it takes to get you to your destination can typically vary by up to 48m. The distance from Seattle to Yellowknife is about 1081 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Seattle to Yellowknife round-trip?

    According to our current data, WestJet ($175), and Air Canada ($271) offers the cheapest pricing from Seattle to Yellowknife. Users have found that WestJet is 60% cheaper than the other options available to this destination.

  • 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

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Alternative routes for Seattle to Yellowknife

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Yellowknife flights

Top 2 airlines flying from Seattle to Yellowknife

Discover the top 2 airlines that operate flights from Seattle to Yellowknife. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$175Average$284FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$271Average$581FlexibilityNo cancel feeOn-time67%

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