HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Yellowknife

$104+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YZF
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Yellowknife with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find 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 November 24, 2025.

This Trip.com deal was found by Cheapflights users on 11/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/283:10 pmSEA - YZF
1 stop21h 30mWestJet
Tue 12/22:25 pmYZF - SEA
1 stop25h 10mWestJet
Deal found 11/21$644
This FlightHub deal was found by Cheapflights users on 11/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:55 pmSEA - YZF
2 stops16h 45mWestJet
Thu 12/42:25 pmYZF - SEA
2 stops18h 11mWestJet
Deal found 11/22$672
This FlightHub deal was found by Cheapflights users on 11/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:10 pmSEA - YZF
1 stop21h 30mWestJet
Thu 12/252:25 pmYZF - SEA
2 stops20h 34mWestJet
Deal found 11/22$763
This FlightHub deal was found by Cheapflights users on 11/24. 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 12/19:32 amSEA - YZF
1 stop6h 23mMultiple Airlines
Thu 12/42:25 pmYZF - SEA
2 stops18h 11mMultiple Airlines
Deal found 11/24$781
This Air Canada deal was found by Cheapflights users on 11/24. 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.
Mon 12/13:40 pmSEA - YZF
1 stop7h 29mAir Canada
Thu 12/45:25 amYZF - SEA
1 stop5h 06mAir Canada
Deal found 11/24$929
This United Airlines deal was found by Cheapflights users on 11/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2812:41 pmSEA - YZF
3 stops27h 03mUnited Airlines
Tue 12/25:25 amYZF - SEA
2 stops17h 21mUnited Airlines
Deal found 11/21$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 November 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$243
(Trip.com)

One-way from

$104
(Trip.com)

Popular in

February

Cheapest in

September

Average price

$581
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 ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 24, 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 4/16

3:10 pm-1:37 pm

1 stop21h 27m

Yellowknife

Mon 4/20

2:25 pm-2:19 pm

1 stop24h 54m

$243

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Fri 4/17

10:10 am-8:42 pm

2 stops9h 32m

Yellowknife

Mon 4/20

5:40 am-9:33 am

1 stop4h 53m

$272

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Mon 1/12

3:40 pm-12:09 am

1 stop7h 29m

Yellowknife

Wed 1/14

5:30 pm-10:06 pm

1 stop5h 36m

$272

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Tue 2/3

3:40 pm-12:09 am

1 stop7h 29m

Yellowknife

Sat 2/7

7:00 am-2:31 pm

2 stops8h 31m

$272

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Fri 3/13

10:05 am-12:09 am

1 stop13h 04m

Yellowknife

Wed 3/18

7:00 am-3:01 pm

2 stops9h 01m

$290

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Mon 1/26

3:40 pm-12:09 am

1 stop7h 29m

Yellowknife

Sat 1/31

7:00 am-7:16 pm

2 stops13h 16m

$290

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Tue 1/6

3:40 pm-12:09 am

1 stop7h 29m

Yellowknife

Tue 1/13

5:30 pm-10:06 pm

1 stop5h 36m

$347

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 4/16

3:10 pm-10:42 pm

1 stop6h 32m

$104

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 1/29

3:10 pm-10:48 pm

1 stop6h 38m

$115

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Wed 1/28

10:05 am-8:57 pm

2 stops9h 52m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/22

Showing 1-10 of 16 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.

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 November 24, 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.

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

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 November 24, 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
3,173 reviews

Boarding

7.4

Entertainment

6.1

Food

6.2

Comfort

7.1

Overall

7.2

Crew

7.9

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
3,173 reviews
WestJet
7.2
Good
3,173 reviews

Boarding

7.4

Entertainment

6.1

Food

6.2

Comfort

7.1

Overall

7.2

Crew

7.9

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
10,469 reviews
WestJet
7.2
Good
3,173 reviews

Boarding

7.4

Entertainment

6.1

Food

6.2

Comfort

7.1

Overall

7.2

Crew

7.9

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 and Air Canada fly from Seattle to Yellowknife in about 9h 32m. The time it takes to get you to your destination can typically vary by up to 11h 55m. 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 ($458) offers the cheapest pricing from Seattle to Yellowknife. Users have found that WestJet is 61% 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$175Average$284FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$458Average$550FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.