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Cheap flights from Seattle to Yellowknife from $272

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Yellowknife departing on 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Yellowknife

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:40 pm - 12:06 am
SEA
-
YZF
7h 26m1 stop
Air Canada Logo
5:20 pm - 10:08 pm
YZF
-
SEA
5h 48m1 stop
$272Air Canada
Fri, Apr 3 - Fri, Apr 10
WestJet Logo
3:10 pm - 1:37 pm
SEA
-
YZF
21h 27m1 stop
WestJet Logo
7:00 am - 2:19 pm
YZF
-
SEA
8h 19m1 stop
$277WestJet
Mon, Feb 2 - Fri, Feb 6
WestJet Logo
3:10 pm - 1:37 pm
SEA
-
YZF
21h 27m1 stop
WestJet Logo
2:25 pm - 2:19 pm
YZF
-
SEA
24h 54m1 stop
$336WestJet
Mon, Feb 2 - Sat, Feb 7
United Airlines Logo
7:02 pm - 4:36 pm
SEA
-
YZF
20h 34m2 stops
United Airlines Logo
5:40 am - 9:33 am
YZF
-
SEA
4h 53m1 stop
$356United Airlines
Fri, Apr 3 - Fri, Apr 10
WestJet Logo
3:10 pm - 1:37 pm
SEA
-
YZF
21h 27m1 stop
WestJet Logo
7:00 am - 2:19 pm
YZF
-
SEA
8h 19m1 stop
$360WestJet
Tue, Feb 3 - Fri, Feb 6
United Airlines Logo
3:40 pm - 12:09 am
SEA
-
YZF
7h 29m1 stop
United Airlines Logo
5:25 am - 9:14 pm
YZF
-
SEA
16h 49m2 stops
$362United Airlines
Thu, Mar 12 - Wed, Mar 18
WestJet Logo
3:10 pm - 1:37 pm
SEA
-
YZF
21h 27m1 stop
WestJet Logo
4:35 pm - 2:19 pm
YZF
-
SEA
46h 44m2 stops
$363WestJet
Mon, Feb 2 - Fri, Feb 6
United Airlines Logo
5:00 am - 12:09 am
SEA
-
YZF
18h 09m2 stops
United Airlines Logo
5:25 am - 6:04 pm
YZF
-
SEA
13h 39m2 stops
$366United Airlines
Thu, Mar 12 - Wed, Mar 18
WestJet Logo
3:10 pm - 1:37 pm
SEA
-
YZF
21h 27m1 stop
WestJet Logo
7:00 am - 2:19 pm
YZF
-
SEA
8h 19m1 stop
$373WestJet
Wed, Feb 4 - Fri, Feb 6
WestJet Logo
11:55 am - 10:48 pm
SEA
-
YZF
9h 53m2 stops
WestJet Logo
7:00 am - 2:19 pm
YZF
-
SEA
8h 19m1 stop
$378WestJet
Sat, Jan 31 - Fri, Feb 6

United Airlines flights from Seattle to Yellowknife

Our best United Airlines deals on Seattle to Yellowknife flight tickets
United Airlines
Apr 3
SEA7:02 pmSeattle/Tacoma Intl
20h 34m
2 stops
YZF4:36 pmYellowknife
Apr 10
YZF5:40 amYellowknife
4h 53m
1 stop
SEA9:33 amSeattle/Tacoma Intl
$356
Find similar
United Airlines
Mar 12
SEA3:40 pmSeattle/Tacoma Intl
7h 29m
1 stop
YZF12:09 amYellowknife
Mar 18
YZF5:25 amYellowknife
16h 49m
2 stops
SEA9:14 pmSeattle/Tacoma Intl
$362
Find similar
United Airlines
Mar 12
SEA5:00 amSeattle/Tacoma Intl
18h 09m
2 stops
YZF12:09 amYellowknife
Mar 19
YZF5:25 amYellowknife
18h 34m
2 stops
SEA10:59 pmSeattle/Tacoma Intl
$366
Find similar

Air Canada flights from Seattle to Yellowknife

Our best Air Canada deals on Seattle to Yellowknife flight tickets
Air Canada
Apr 3
SEA3:40 pmSeattle/Tacoma Intl
7h 26m
1 stop
YZF12:06 amYellowknife
Apr 10
YZF5:20 pmYellowknife
5h 48m
1 stop
SEA10:08 pmSeattle/Tacoma Intl
$272
Find similar
Air Canada
Mar 11
SEA3:40 pmSeattle/Tacoma Intl
7h 29m
1 stop
YZF12:09 amYellowknife
Mar 18
YZF5:25 amYellowknife
5h 06m
1 stop
SEA9:31 amSeattle/Tacoma Intl
$467
Find similar
Air Canada
Feb 3
SEA10:05 amSeattle/Tacoma Intl
13h 04m
1 stop
YZF12:09 amYellowknife
Feb 4
YZF7:00 amYellowknife
8h 31m
2 stops
SEA2:31 pmSeattle/Tacoma Intl
$481
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 9, 2025.
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

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Fri 4/3

3:40 pm-12:06 am

1 stop7h 26m

Yellowknife

Fri 4/10

5:20 pm-10:08 pm

1 stop5h 48m

$272

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Mon 2/2

3:10 pm-1:37 pm

1 stop21h 27m

Yellowknife

Fri 2/6

7:00 am-2:19 pm

1 stop8h 19m

$277

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Mon 2/2

3:10 pm-1:37 pm

1 stop21h 27m

Yellowknife

Sat 2/7

2:25 pm-2:19 pm

1 stop24h 54m

$336

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Fri 4/3

7:02 pm-4:36 pm

2 stops20h 34m

Yellowknife

Fri 4/10

5:40 am-9:33 am

1 stop4h 53m

$356

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Tue 2/3

3:10 pm-1:37 pm

1 stop21h 27m

Yellowknife

Fri 2/6

7:00 am-2:19 pm

1 stop8h 19m

$360

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 3/12

3:40 pm-12:09 am

1 stop7h 29m

Yellowknife

Wed 3/18

5:25 am-9:14 pm

2 stops16h 49m

$362

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Mon 2/2

3:10 pm-1:37 pm

1 stop21h 27m

Yellowknife

Fri 2/6

4:35 pm-2:19 pm

2 stops46h 44m

$363

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Thu 3/12

5:00 am-12:09 am

2 stops18h 09m

Yellowknife

Wed 3/18

5:25 am-6:04 pm

2 stops13h 39m

$366

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Wed 2/4

3:10 pm-1:37 pm

1 stop21h 27m

Yellowknife

Fri 2/6

7:00 am-2:19 pm

1 stop8h 19m

$373

SeattleYellowknife

SEA - YZF

SEAYZF

Seattle/Tacoma Intl

Sat 1/31

11:55 am-10:48 pm

2 stops9h 53m

Yellowknife

Fri 2/6

7:00 am-2:19 pm

1 stop8h 19m

$378

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Yellowknife from

How to get the cheapest flight ticket from Seattle to Yellowknife

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Yellowknife?

What is the cheapest day to depart on your flight to Yellowknife?

The cheapest day to depart from Seattle to Yellowknife is on a Sunday when prices can be found for as low as $326. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Yellowknife on Monday is $564.

What is the cheapest time of day to depart on your flight to Yellowknife?

The cheapest time of day to fly to Yellowknife is in the afternoon when flights can be purchased for as low as $370. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $569 on average. Flights to Yellowknife from Seattle at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Seattle to Yellowknife

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Yellowknife according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Yellowknife (SEA to YZF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Yellowknife

Fastest flight time

6h 22m

Direct flights

None
The fastest flight from Seattle to Yellowknife takes 6h 22m
There are no direct flights from Seattle to Yellowknife. There are no popular flight routes from Seattle to Yellowknife.
Search flight deals

  • How far is Seattle/Tacoma Intl to Yellowknife by plane?

    Seattle/Tacoma Intl and Yellowknife are 1070.2 mi apart from one another. A reasonable flight in good conditions will take 6h 22m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Yellowknife Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Yellowknife Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Yellowknife Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Yellowknife Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Yellowknife Airport.

  • What documentation or ID do you need to fly to Yellowknife Airport?

    The travel and health documents you'll need for your trip to Yellowknife Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Yellowknife Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Yellowknife?

Best airlines flying from Seattle to Yellowknife

Compare and see reviews for airlines that fly from Seattle to Yellowknife with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom $175Free CancellationRating
7.2
3,194 reviews
Search WestJet flights
Air CanadaPriceFrom $271Free CancellationRating
7.1
10,515 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Yellowknife?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Yellowknife from Seattle.

Can I find flights from Seattle to Yellowknife with flexible booking policies on momondo?

All flight searches from Seattle to Yellowknife on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Yellowknife?

momondo helps you find the best flight between Seattle and Yellowknife by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Yellowknife right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Yellowknife, momondo offers a useful price alert feature which will track prices for flights to Yellowknife from Seattle and alert you when they change.

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