225 € Cheap Flights from Seattle to Knoxville

Compare Seattle to Knoxville flight deals

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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 283 €. 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 August.

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 found225 €
Cheapest month to flyAugust

Finding cheap flights from Seattle to Knoxville: Frequently asked questions

The best price we found for a return flight from Seattle to Knoxville is 225 €. 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 225 €.
As of June 2026, there are no flights flying from Seattle to Knoxville.
The cheapest month to fly from Seattle to Knoxville is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Knoxville Airport on Thursday, 13 August 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 .

Travelling from Seattle to Knoxville McGhee Tyson Airport (TYS): What you need to know

  • Knoxville is three hours ahead of Seattle. Knoxville McGhee Tyson Airport is located in Knoxville, which is in the UTC-5 timezone.

  • Get to the airport on time so you don't miss your flight from Seattle to TYS. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Popular months like July or holiday times such as Thanksgiving and Christmas will mean bigger queues at check-in and security. Travelling then? Play it safe and get to the airport even earlier. Arriving two hours before domestic flights and up four hours ahead of an international flight is a smart idea.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Travelling from central Seattle to SEA takes around 35 minutes on public transport. If you drive, ride-share or grab a taxi, you'll cover the 23 kilometres in 25 minutes or so, depending on traffic conditions.

  • Want a leisurely start to your travels? Stay near Seattle-Tacoma International Airport. Whether you're boarding an early flight from Seattle to Knoxville McGhee Tyson Airport or prefer not to rush, these hotels are just the thing:

  • 80% of flights leaving Seattle-Tacoma International Airport arrive at their destination as planned. Given its dependable on-time performance, you're unlikely to be delayed when flying out of SEA.

Seattle Paine Field International Airport (PAE)

  • You can reach PAE from the centre of Seattle in about 40 minutes by car, depending on traffic. The ride on public transport will take roughly 1 hour 30 minutes to travel the 40 kilometres or so.

  • Want to enjoy an extra night away before catching your Seattle to TYS flight? Unwind in a hotel near Seattle Paine Field International Airport before your holiday officially starts. These stays are calling your name:

  • Flights from Seattle Paine Field International Airport have a track record for punctuality, with 80% of them landing as planned.

About Knoxville McGhee Tyson Airport (TYS)

  • Have a late flight from Seattle to Knoxville McGhee Tyson Airport? Don't let it end in exhaustion. Stay at one of these hotels near TYS and shut your eyes sooner:

  • Secure the lowest price by booking your ride around three weeks before your Seattle to Knoxville McGhee Tyson Airport flight.

  • TYS is located at 2055 Alcoa Highway.

Getting from Knoxville McGhee Tyson Airport (TYS) to central Knoxville

  • Knoxville McGhee Tyson Airport is around 24 kilometres from the centre of Knoxville. It takes around 25 minutes or so to drive to the city.

  • It takes around 50 minutes when travelling by public transport.

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

  • 154 € is currently the lowest price for a one-way ticket from Seattle to Knoxville McGhee Tyson Airport. Return flights start at 225 €. These prices can change based on availability.

  • Booking ahead of time is often the key to finding a cheap flight from Seattle to TYS. Prices tend to rise as demand increases, so the closer your departure date, the more it could cost you.

  • If you can be flexible with your trip dates, use the 'Whole month' search tool. It'll give you the cheapest price across the month when searching for your Seattle to Knoxville McGhee Tyson Airport ticket.

  • There's no need to search every day to find out if fares have dropped when you create a Price Alert. We'll notify you the moment a better deal comes up on plane tickets from Seattle to TYS.

  • Tailor your travel plans using filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Seattle to Knoxville McGhee Tyson Airport.

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

  • June is the busiest month for flights from Seattle to Knoxville McGhee Tyson Airport (TYS). Visit Knoxville in January for a more laid-back experience.

  • Book a Seattle to TYS plane ticket departing in July if you're eager to experience the city during its warmest month. You can expect temperatures in Knoxville to range from 17ºC (63ºF) to 32ºC (90ºF).

  • Look for cheap tickets from Seattle to Knoxville McGhee Tyson Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 11ºC (52ºF).

More about Knoxville

Explore more of the United States

  • You've seen Knoxville, now it's time to explore other parts of the United States. Travel around 290 kilometres east to Charlotte to tick off its top sights. From Bechtler Museum of Modern Art to Discovery Place and NASCAR Hall of Fame, there's plenty to keep you on the go.

  • Nashville is another must-experience destination in the United States and is around 257 kilometres west of Knoxville. No trip is complete without visiting Grand Ole Opry, Country Music Hall of Fame and Museum and The Johnny Cash Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.