The cheapest times to fly from SEA to YZF are

  • January 8th to February 4th
  • March 19th to April 22nd (except the week of March 26th)
  • July 30th to December 9th (except the weeks of September 17th and October 1st)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to YZF is late October. Prices can be as high as $795 for Sunday flights during mid December, or as low as $442 for Wednesday flights around late October.


When to Fly to Yellowknife

Flying from Seattle, WA (SEA) to Yellowknife (YZF) will usually cost between $465 to $669 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $468. Due to high demand the most expensive time to fly is mid December, with an average price of $694. Planning your trip to low-cost times can easily save you $227 on economy flights and even more on first-class flights. Generally, any price below $556 can be considered a good price for a round-trip SEA to YZF flight.

See below for a graph of average weekly prices for the SEA to YZF route. All prices are for round-trip tickets in USD.

SEA to YZF Flight Prices

Compared to other flights, the SEA to YZF flight is cheaper than the average and costs less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.32, which is in the normal range for a flight.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to YZF, and Tuesday the cheapest day to fly back into SEA. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $72 (12%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $530. Return trip prices are from the YZF to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SEA to YZF can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 56 minutes may not be realistic.


Flight Questions Answered

Still have questions about flying from SEA to YZF? We’ve got answers.

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Air Canada, Alaska, Canadian North, Delta, First Air, United, WestJet, and potentially more during busy seasons.

How far away is it from Yellowknife Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 1081 miles or 1740 kilometers.

How long does it take to fly from SEA to YZF?

The real-world flight time for a nonstop SEA to YZF flight is about 2 hour 56 minutes.

How many flights go between Seattle, WA and Yellowknife?

It depends on the day of the week and the date, but a typical day might have around 96 available flights from SEA to YZF.


Airport Location Info


Departing Airport

Origination code SEA
Origination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3

Return Airport

Destination code YZF
Destination airport name Yellowknife Airport
City Yellowknife
Country Canada
Latitude 62.5
Longitude -114.4


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.