HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Yellowknife

$367+ Cheap flights from Seattle (SEA) to Yellowknife (YZF)

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YZF
May 24 — May 311
Sun 5/24
Sun 5/31
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.

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 April 24, 2026.

This Trip.com deal was found by Cheapflights users on 4/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:00 am
SEA
-
YZF
1 stop5h 25m
WestJet
Sat 9/52:15 pm
YZF
-
SEA
1 stop7h 45m
WestJet
Deal found 4/23$367
This Air Canada deal was found by Cheapflights users on 4/19. 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 6/45:45 am
SEA
-
YZF
1 stop10h 21m
Air Canada
Sun 6/75:50 pm
YZF
-
SEA
1 stop5h 53m
Air Canada
Deal found 4/19$378
This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:50 am
SEA
-
YZF
2 stops15h 07m
Air Canada
Wed 5/275:50 pm
YZF
-
SEA
1 stop5h 50m
Air Canada
Deal found 4/23$392
This oojo deal was found by Cheapflights users on 4/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:30 am
SEA
-
YZF
2 stops27h 10m
WestJet
Sun 5/312:15 pm
YZF
-
SEA
1 stop20h 25m
WestJet
Deal found 4/22$396

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 April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$331
(FlightHub)
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

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 April 24, 2026.
Use the filters below to find and compare flights from Seattle to Yellowknife that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 6/4

5:45 am-5:06 pm

1 stop10h 21m

Yellowknife

Sun 6/7

5:50 pm-10:43 pm

1 stop5h 53m

$378

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sat 5/23

5:50 am-9:57 pm

2 stops15h 07m

Yellowknife

Wed 5/27

5:50 pm-10:40 pm

1 stop5h 50m

$392

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Wed 5/27

7:35 pm-2:40 pm

2 stops18h 05m

Yellowknife

Sun 5/31

6:45 am-9:40 am

1 stop27h 55m

$396

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Sorted by cheapest first
  • 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 April 24, 2026.
Read through reviews of airlines operating flights from Seattle to Yellowknife, such as Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,961 reviews

Comfort

7.1

Food

6.3

Crew

7.8

Overall

7.1

Entertainment

6.8

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Dr vandana,Feb 2026

SFO - YYC

It was good, the lounge facilities can be better with some vegetarian options. Overall good
Air Canada
7.1
Good
10,961 reviews
Air Canada
7.1
Good
10,961 reviews

Comfort

7.1

Food

6.3

Crew

7.8

Overall

7.1

Entertainment

6.8

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Dr vandana,Feb 2026

SFO - YYC

It was good, the lounge facilities can be better with some vegetarian options. Overall good

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 10h 21m. The time it takes to get you to your destination can typically vary by up to 16h 49m. 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 is the cheapest airline to fly from Seattle to Yellowknife round-trip?

    According to our current data, Air Canada ($271), offers the cheapest pricing from Seattle to Yellowknife.

  • 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.

Complete your trip

Complete your trip to Yellowknife by adding a car rental and/or hotel reservation to your travel itinerary.
Inuvik car rentals

Top airline flying from Seattle to Yellowknife

Discover the top airline 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 April 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$271Average$581FlexibilityNo 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.
Site
©2026 Cheapflights