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Yellowknife

$314+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YZF
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/253:10 pmSEA - YZF
1 stop6h 50mWestJet
Sun 12/282:25 pmYZF - SEA
2 stops17h 55mWestJet
Deal found 12/21$850
This WestJet deal was found by Cheapflights users on 12/21. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:30 pmSEA - YZF
2 stops8h 30mWestJet
Mon 12/292:25 pmYZF - SEA
2 stops17h 55mWestJet
Deal found 12/21$901
This WestJet deal was found by Cheapflights users on 12/21. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:25 amSEA - YZF
2 stops27h 15mWestJet
Sun 12/282:25 pmYZF - SEA
2 stops20h 39mWestJet
Deal found 12/21$904
This WestJet deal was found by Cheapflights users on 12/21. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:30 pmSEA - YZF
2 stops23h 10mWestJet
Mon 12/292:25 pmYZF - SEA
2 stops20h 39mWestJet
Deal found 12/21$920
This FlightHub deal was found by Cheapflights users on 12/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:45 pmSEA - YZF
2 stops40h 55mWestJet
Thu 1/12:25 pmYZF - SEA
2 stops17h 55mWestJet
Deal found 12/23$1,064
This Air Canada deal was found by Cheapflights users on 12/21. 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 12/303:40 pmSEA - YZF
1 stop7h 29mAir Canada
Thu 1/17:00 amYZF - SEA
2 stops27h 31mAir Canada
Deal found 12/21$1,079
This Air Canada deal was found by Cheapflights users on 12/21. 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.
Thu 12/255:50 amSEA - YZF
2 stops14h 07mAir Canada
Thu 1/17:00 amYZF - SEA
2 stops27h 31mAir Canada
Deal found 12/21$1,161

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 December 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$431
(Trip.com)

One-way from

$314
(FlightHub)

Popular in

December

Cheapest in

June

Average price

$711
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. 25% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 23, 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

Thu 3/5

3:10 pm-1:37 pm

1 stop21h 27m

Yellowknife

Mon 3/9

4:35 pm-2:19 pm

2 stops22h 44m

$431

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Fri 2/6

8:32 am-3:50 pm

1 stop6h 18m

Yellowknife

Fri 2/13

4:35 pm-7:02 am

2 stops15h 27m

$477

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sun 1/18

11:05 pm-1:40 pm

2 stops13h 35m

Yellowknife

Sat 1/24

7:00 am-2:38 pm

1 stop8h 38m

$494

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 2/5

8:00 pm-1:37 pm

2 stops16h 37m

Yellowknife

Sun 2/8

2:25 pm-9:15 am

2 stops19h 50m

$510

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 3/5

3:10 pm-4:00 pm

2 stops23h 50m

Yellowknife

Mon 3/9

5:45 pm-2:19 pm

3 stops21h 34m

$537

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Tue 1/6

5:12 pm-12:09 am

2 stops29h 57m

Yellowknife

Sat 1/10

5:25 am-11:41 am

2 stops31h 16m

$555

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sun 3/15

7:45 pm-4:00 pm

2 stops19h 15m

$314

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Fri 2/13

11:55 am-1:37 pm

2 stops24h 42m

$320

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Fri 2/13

11:08 pm-10:54 pm

3 stops22h 46m

$344

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sat 2/14

7:53 pm-1:37 pm

2 stops16h 44m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

  • 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.

Cheapflights Insights

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

What is the cheapest time of day to fly from SEA to YZF?

Find hourly flight availability from Seattle to Yellowknife. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 35% on flights from Seattle to Yellowknife by exploring options for tickets in the afternoon.

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 December 23, 2025.
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
3,214 reviews

Overall

7.2

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

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
3,214 reviews
WestJet
7.2
Good
3,214 reviews

Overall

7.2

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

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
10,551 reviews
WestJet
7.2
Good
3,214 reviews

Overall

7.2

Boarding

7.4

Comfort

7.0

Crew

7.9

Entertainment

6.1

Food

6.2

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 WestJet fly from Seattle to Yellowknife in about 21h 27m. The time it takes to get you to your destination can typically vary by up to . The distance from Seattle to Yellowknife is about 1081 mi.

  • 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 59% 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$175Average$284FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$271Average$581FlexibilityNo cancel feeOn-time67%

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