Cheap Flights from Knoxville (TYS) to Seattle (SEA)

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Cheap Flights from Knoxville (TYS) to Seattle (SEA)

Prices were available within the past 7 days and start at for one-way flights and £613 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 1 Jun - Mon, 10 Jun
TYS
Knoxville
SEA
Seattle
£613 Return, found 19 hours ago
£613
Return
found 19 hours ago
Select Alaska Airlines flight, departing Sat, 1 Jun from Knoxville to Seattle, returning Mon, 10 Jun, priced at £613 found 19 hours ago
Alaska Airlines
Sat, 1 Jun - Mon, 10 Jun
TYS
Knoxville
SEA
Seattle
£653 Return, found 19 hours ago
£653
Return
found 19 hours ago
Select Alaska Airlines flight, departing Sat, 1 Jun from Knoxville to Seattle, returning Mon, 10 Jun, priced at £653 found 19 hours ago
Alaska Airlines
Sat, 1 Jun - Mon, 10 Jun
TYS
Knoxville
SEA
Seattle
£693 Return, found 19 hours ago
£693
Return
found 19 hours ago
Select Alaska Airlines flight, departing Sat, 1 Jun from Knoxville to Seattle, returning Mon, 10 Jun, priced at £693 found 19 hours ago
Alaska Airlines
Sat, 1 Jun - Mon, 10 Jun
TYS
Knoxville
SEA
Seattle
£789 Return, found 19 hours ago
£789
Return
found 19 hours ago
Select Alaska Airlines flight, departing Sat, 1 Jun from Knoxville to Seattle, returning Mon, 10 Jun, priced at £789 found 19 hours ago
Alaska Airlines
Sun, 16 Jun - Tue, 25 Jun
TYS
Knoxville
SEA
Seattle
£790 Return, found 3 days ago
£790
Return
found 3 days ago
Select Alaska Airlines flight, departing Sun, 16 Jun from Knoxville to Seattle, returning Tue, 25 Jun, priced at £790 found 3 days ago
Alaska Airlines
Sat, 1 Jun - Mon, 10 Jun
TYS
Knoxville
SEA
Seattle
£793 Return, found 6 days ago
£793
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 1 Jun from Knoxville to Seattle, returning Mon, 10 Jun, priced at £793 found 6 days ago
Alaska Airlines
Sat, 1 Jun - Mon, 10 Jun
TYS
Knoxville
SEA
Seattle
£829 Return, found 19 hours ago
£829
Return
found 19 hours ago
Select Alaska Airlines flight, departing Sat, 1 Jun from Knoxville to Seattle, returning Mon, 10 Jun, priced at £829 found 19 hours ago
Alaska Airlines
Sat, 1 Jun - Mon, 10 Jun
TYS
Knoxville
SEA
Seattle
£831 Return, found 3 days ago
£831
Return
found 3 days ago
Select Alaska Airlines flight, departing Sat, 1 Jun from Knoxville to Seattle, returning Mon, 10 Jun, priced at £831 found 3 days ago
Alaska Airlines
Sat, 1 Jun - Mon, 10 Jun
TYS
Knoxville
SEA
Seattle
£833 Return, found 6 days ago
£833
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 1 Jun from Knoxville to Seattle, returning Mon, 10 Jun, priced at £833 found 6 days ago
Alaska Airlines
Sat, 1 Jun - Mon, 10 Jun
TYS
Knoxville
SEA
Seattle
£978 Return, found 6 days ago
£978
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 1 Jun from Knoxville to Seattle, returning Mon, 10 Jun, priced at £978 found 6 days ago
Flight from Knoxville to Seattle route information
Origin airport
McGhee Tyson
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines
Return price
£612
Distance
3375 km

Compare flights from Knoxville to Seattle easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Knoxville to Seattle. Operating between them flights per day, 10 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from McGhee Tyson to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from McGhee Tyson (TYS) to Seattle - Tacoma Intl. (SEA) 

The easiest way to view the best deals on flights from Knoxville to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from McGhee Tyson to Seattle - Tacoma Intl. start at just £613 and range up to £978.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Knoxville and Seattle
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Knoxville to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from McGhee Tyson to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from TYS to Seattle - Tacoma Intl. Airport (SEA)?
Start packing your bags, because round-trip journeys between TYS and Seattle - Tacoma Intl. Airport (SEA) start from £613. That’s based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Knoxville Airport to Sea-Tac Airport?
Most flights can be cancelled online, but every airline has its own set of terms and conditions. If you do need to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Knoxville Airport to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for TYS to Sea-Tac Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from McGhee Tyson Airport (TYS) to Sea-Tac Airport?
Expect to be soaring through the sky for a while, as the flight distance between Alcoa and SeaTac is 3,400 kilometres. Put together a playlist of your favourite tunes before you leave home to keep yourself entertained during your journey.
Which airlines fly direct from Knoxville Airport to Seattle - Tacoma Intl. Airport (SEA)?
Currently, no airlines offer direct flights from Knoxville Airport to Sea-Tac Airport. You’ll need to book a flight with at least one stop. To get the best price and connections, lock in your airfare well ahead of time.
Are TYS to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
It is possible to score amazing last-minute deals from McGhee Tyson Airport (TYS) to Seattle - Tacoma Intl. Airport (SEA), but it can also be hit-or-miss. As many airlines advertise prices up to a year in advance, it’s worth keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares carrier prices and updates flight deals often, so you can be sure you’re always getting the latest offers.
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