$127 Cheap Flights from Yellowknife (YZF) to Seattle (SEA)

View $127 flight on Fri, Nov 28, 2025Opens in a new window

Popular airlines from Yellowknife, NT (YZF) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Yellowknife to Seattle (YZF-SEA)

Prices were available within the past 7 days and start at $127 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Yellowknife (YZF) to Seattle (SEA)
Origin airport
Yellowknife
Destination airport
Seattle - Tacoma Intl.
Distance
1082 mi

Yellowknife to Seattle Flights

The cheapest times to fly from Yellowknife to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Yellowknife to Seattle are during the month of . You can find some of the cheapest flights from Yellowknife to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Yellowknife to Seattle

Sunday is one of the best days to book for cheap flights from Yellowknife to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Yellowknife to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Yellowknife to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $127 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Yellowknife to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Yellowknife to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Yellowknife Airport (YZF) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight from $127 or cheap return flight from Yellowknife Airport (YZF) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Yellowknife Airport (YZF) to Seattle - Tacoma Intl. Airport (SEA)?
Flying in can help you save, as it's the cheapest month for flights between YZF and SEA. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Yellowknife Airport (YZF) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest YZF to SEA flight.
How many flights per day from Yellowknife Airport (YZF) to Seattle - Tacoma Intl. Airport (SEA)?
You'll need to book a flight with a layover if you're traveling from Yellowknife Airport (YZF) to Seattle - Tacoma Intl. Airport (SEA). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from YZF to SEA?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from YZF to SEA?
With 100% of journeys generally landing on schedule, Delta Air Lines has the best on-time performance for nonstop flights from Yellowknife Airport (YZF) to Seattle - Tacoma Intl. Airport (SEA). To monitor your flight status and get notified if anything changes, head to the Expedia App.
What is the best time to fly from Yellowknife Airport (YZF) to Seattle - Tacoma Intl. Airport (SEA)?
Select a flight from Yellowknife Airport (YZF) to Seattle - Tacoma Intl. Airport (SEA) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Yellowknife Airport (YZF) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from YZF to SEA are generally more expensive. For the cheapest rates, start searching for flights well ahead of time. That being said, if your travel plans are flexible, it's possible to land a cheap fare right before you leave.
Is it cheaper to book a YZF to SEA flight and hotel package?
Booking a YZF to SEA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Yellowknife Airport (YZF) to Seattle - Tacoma Intl. Airport (SEA)?
If you booked your YZF to SEA flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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