The cheapest times to fly from TYS to SEA are
- January 1st to March 4th
- April 23rd to May 6th
- August 13th to November 18th
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 TYS to SEA is late January and early February. Prices can be as high as $923 for Sunday flights during late July, or as low as $301 for Tuesday flights around late January and early February.
When to Fly to Seattle
Flying from Knoxville, TN (TYS) to Seattle, WA (SEA) will usually cost between $308 to $598 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $312. Due to high demand the most expensive time to fly is late July, with an average price of $525. Planning your trip to low-cost times can easily save you $213 on economy flights and even more on first-class flights. Generally, any price below $370 can be considered a good price for a round-trip TYS to SEA flight.
See below for a graph of average weekly prices for the TYS to SEA route. All prices are for round-trip tickets in USD.
Compared to other flights, the TYS to SEA flight is much cheaper than the average and costs much less than the average flight leaving from Knoxville. The average price per mile (for a direct flight) is $0.11, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. 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 $161 (32%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $333. Return trip prices are from the SEA to TYS flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from TYS to SEA can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 47 minutes may not be realistic.
Flight Questions Answered
Still have questions about flying from TYS to SEA? We’ve got answers.
Which airlines fly this route?
You can find 5 major airlines flying this route most often: Alaska, American, Delta, Frontier, United, and potentially more during busy seasons.
How far away is it from Seattle/Tacoma International Airport to McGhee Tyson Airport?
The distance between the two airports is roughly 2109 miles or 3394 kilometers.
How long does it take to fly from TYS to SEA?
The real-world flight time for a nonstop TYS to SEA flight is about 4 hour 47 minutes.
How many flights go between Knoxville, TN and Seattle, WA?
It depends on the day of the week and the date, but a typical day might have around 58 available flights from TYS to SEA.
Airport Location Info
|Origination airport name||McGhee Tyson Airport|
|Country||the United States|
|Destination airport name||Seattle/Tacoma International Airport|
|Country||the United States|
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.