C$153 Cheap Flights from Seattle (SEAA) to Knoxville (TYS)

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Flight deals from Seattle to Knoxville

Looking for a cheap last-minute deal or the best return flight from Seattle to Knoxville Airport? If you want to travel next month, return fares start from C$312. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Knoxville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Knoxville flights are currently cheapest in June.

Seattle to Knoxville: Alternative routes

Compare routes from Seattle to Knoxville below. You may find an airport to fly into that's cheaper, faster, or easier than Knoxville.

Seattle to Knoxville: Flight information

The things to know before you go.
Cheapest flight foundC$153
Cheapest month to flyJune

Finding cheap flights from Seattle to Knoxville: Frequently asked questions

The best price we found for a return flight from Seattle to Knoxville is C$312. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle to Knoxville. But we found flights with one stop from C$312.
As of April 2026, there are no flights flying from Seattle to Knoxville.
The cheapest month to fly from Seattle to Knoxville is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Knoxville Airport on Saturday, May 2, 2026.
No airlines currently offer direct flights between Seattle and Knoxville Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Knoxville but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Knoxville is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Knoxville is Frontier Airlines .

Flying from Seattle to McGhee Tyson Airport (TYS): what you need to know

  • Kick off your travels at Seattle-Tacoma International Airport (SEA), the main airport in Seattle. Search for flights from Seattle to McGhee Tyson Airport (TYS) that fly out of this terminal.

  • McGhee Tyson Airport is located in Knoxville. The city operates in the UTC-4 timezone and is 3 hours ahead of Seattle.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport on time to catch your flight from Seattle to TYS.

  • With more people on the move during peak months like July, be at your terminal even earlier. Two hours for domestic flights and as much as four for international journeys will help you deal with longer queues. Remember things also get busy during major holidays like Christmas.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • SEA is roughly 23 kilometres from central Seattle. To help you work out how to get there, use Google Maps. This handy travel app will show you the best route and available public transport options.

  • Catching an early flight from Seattle to McGhee Tyson Airport? Avoid the last-minute rush to the terminal (and get some extra shut-eye) by choosing one of these hotels near Seattle-Tacoma International Airport:

Lake Union Sea Plane Base (LKE)

About McGhee Tyson Airport (TYS)

Getting from McGhee Tyson Airport (TYS) to central Knoxville

  • McGhee Tyson Airport is approximately 23 kilometres from the centre of Knoxville. With your own car rental or if you take a cab, the drive is around 19 minutes.

How to find the cheapest flights from Seattle to McGhee Tyson Airport (TYS)

  • The lowest price we've seen for a one-way ticket from Seattle to McGhee Tyson Airport is C$153. The cheapest price for a return flight is C$312. Remember fares may change due to demand at the time of booking.

  • To pick up flight tickets from Seattle to TYS, book as early as you can. Airlines tend to offer their most competitively priced fares when flights are first made available.

  • The 'Whole month' tool shows you the cheapest tickets from Seattle to McGhee Tyson Airport across the entire month. It's an easy way to find a bargain if your travel plans are flexible.

  • Snapping up a cheap ticket from Seattle to TYS is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when the price has fallen.

  • Tailor your flights with filters. Choose your arrival and departure times, airlines and total journey duration. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Seattle to McGhee Tyson Airport.

The best time to fly from Seattle to McGhee Tyson Airport (TYS)

  • February is the quietest time of year to travel to Knoxville. Alternatively, follow the crowds and take your trip in July. This is the most popular month for flights from Seattle to McGhee Tyson Airport.

  • Book your flight from Seattle to TYS for July if you're eager to explore the city during its warmest month. Expect temperatures in Knoxville to range from 17ºC to 32ºC.

  • January sees average temperatures of between -6ºC and 11ºC. Look for cheap flights from Seattle to McGhee Tyson Airport sometime around then if you want to travel when it's cooler.

More about Knoxville

  • Start your Knoxville trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Seattle to McGhee Tyson Airport, check out our selection of accommodation options including:

  • Market Square and Sunsphere are a couple of leading attractions to add to your Knoxville itinerary. Keep the momentum going by heading to World's Fair Park.

Complete your Knoxville trip with a car rental

  • Finding you a cheap flight from Seattle to McGhee Tyson Airport isn't the only thing we're good at. Browse our car rentals in Knoxville and explore on your own terms. We search for deals from trusted car rental providers and put them all in one place. You can instantly compare offers and then book with no fees.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.