Cheap Flights from Seattle / Tacoma International to Knoxville

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Compare Seattle / Tacoma International to Knoxville flight deals

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Flight deals from Seattle / Tacoma International to Knoxville

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International to Knoxville? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle / Tacoma International to Knoxville

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

Seattle / Tacoma International to Knoxville: Alternative routes

Compare routes from Seattle / Tacoma International 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 foundRs27,954
Cheapest month to flySeptember

Finding cheap flights from Seattle / Tacoma International to Knoxville: Frequently asked questions

The best price we found for a return flight from Seattle / Tacoma International to Knoxville is Rs55,570. 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 / Tacoma International to Knoxville. But we found flights with one or more stops from Rs55,570.
As of May 2025, there are no flights flying from Seattle / Tacoma International to Knoxville.
The cheapest month to fly from Seattle / Tacoma International to Knoxville is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Knoxville Airport on Thursday, 11 September 2025.
No airlines currently offer direct flights between Seattle / Tacoma International Airport 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.
Currently, Frontier Airlines offers the cheapest flight tickets to Knoxville.

Flying from Seattle-Tacoma International Airport (SEA) to McGhee Tyson Airport (TYS): what you need to know

  • Your SEA to TYS flight won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months such as July, you'll want to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're travelling during a peak period in general.

  • We make it easy to book a flight with a stopover. To see your options for tickets from Seattle-Tacoma International Airport to McGhee Tyson Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to tour the city of your choice. Top stopovers between SEA and TYS include:

    • Chicago Midway International Airport

    • Denver International Airport

    • Hartsfield-Jackson Atlanta International Airport

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to McGhee Tyson Airport (TYS)

  • The lowest price we've seen for a one-way Seattle-Tacoma International Airport to McGhee Tyson Airport flight is Rs27,954. A round-trip fare is currently Rs55,570. Depending on the availability and when you book, these fares may change.

  • Don't leave everything to the last minute. You're more likely to get cheap tickets from SEA to TYS if you book in advance. Airlines often have some excellent early bird rates.

  • The 'Whole month' tool shows you the cheapest flights from Seattle-Tacoma International Airport to McGhee Tyson Airport throughout the month. It's a good way to find a bargain if your trip dates aren't set in stone.

  • Save time looking for cheap flights from SEA to TYS by setting up a Price Alert. You'll get an email or notification through the app when a new discounted fare appears.

  • Select your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Seattle-Tacoma International Airport to McGhee Tyson Airport.

Handy information about Seattle-Tacoma International Airport (SEA)

  • 81.27% of flights departing from Seattle-Tacoma International Airport land at their destination according to schedule. Given its reliable on-time performance, disruptions are unlikely when setting off from SEA.

  • Seattle-Tacoma International Airport is about 23 kilometres from central Seattle. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • Expect a trip time of around 55 minutes when using public transport.

  • Have an early flight from Seattle-Tacoma International Airport to McGhee Tyson Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near SEA:

Arriving at McGhee Tyson Airport (TYS)

  • If you're coming in on a late Seattle-Tacoma International Airport to McGhee Tyson Airport flight, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be resting shortly after at one of these accommodation options near TYS:

  • Travel at your own speed with a McGhee Tyson Airport rental car. Book your wheels from Budget, Alamo or Avis and venture far and wide through Knoxville and beyond.

  • To lock in the lowest price, reserve your ride from McGhee Tyson Airport around three weeks before travelling.

Getting from McGhee Tyson Airport (TYS) to central Knoxville

  • TYS is located at 2055 Alcoa Highway.

  • McGhee Tyson Airport is roughly 23 kilometres from central Knoxville. The drive time takes about 20 minutes.

When to fly to McGhee Tyson Airport (TYS)

  • It's time to pick your travel dates for your flight from Seattle-Tacoma International Airport to McGhee Tyson Airport. July is the busiest month to head to Knoxville. If you prefer a more low-key vibe, go in February.

  • The warmest month in Knoxville is July, with the temperature ranging between 17ºC and 32ºC. Lock in your flights from Seattle-Tacoma International Airport to McGhee Tyson Airport in this month if this is the kind of weather you like.

  • If you want to travel in cooler conditions, look for a cheap ticket from SEA to TYS in January. Average temperatures are between -6ºC and 11ºC then.

Explore more of United States

  • Knoxville is easy to fall in love with, but there are so many other corners of United States waiting to be explored. About 451 kilometres north of Knoxville, a trip to Columbus will keep your itinerary busy. Start with leading sights like Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

  • If you want to check out another well-known destination in United States, consider Indianapolis, about 467 kilometres north-west of Knoxville. The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo are among the biggest draws.

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