$182 Cheap flight deals from Knoxville (TYS) to Seattle (SEA)

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Airfares from $182 One Way, $363 Round Trip from Knoxville to Seattle

Prices starting at $363 for return flights and $182 for one-way flights to Seattle were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 28 - Sat, Oct 31
TYS
Knoxville
SEA
Seattle
$363 Roundtrip, found 1 day ago
$363
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 28 from Knoxville to Seattle, returning Sat, Oct 31, priced at $363 found 1 day ago
Wed, Oct 28 - Sat, Oct 31
TYS
Knoxville
SEA
Seattle
$363 Roundtrip, found 1 day ago
$363
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Oct 28 from Knoxville to Seattle, returning Sat, Oct 31, priced at $363 found 1 day ago
Wed, Jan 27 - Mon, Feb 1
TYS
Knoxville
SEA
Seattle
$363 Roundtrip, found 2 days ago
$363
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Jan 27 from Knoxville to Seattle, returning Mon, Feb 1, priced at $363 found 2 days ago
Wed, Oct 28 - Sat, Oct 31
TYS
Knoxville
SEA
Seattle
$363 Roundtrip, found 1 day ago
$363
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 28 from Knoxville to Seattle, returning Sat, Oct 31, priced at $363 found 1 day ago
Wed, Oct 28 - Sat, Oct 31
TYS
Knoxville
SEA
Seattle
$368 Roundtrip, found 1 day ago
$368
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Oct 28 from Knoxville to Seattle, returning Sat, Oct 31, priced at $368 found 1 day ago

Seattle economy flight packages

Price found within the past 48 hours. Click for updated prices.
Oxford Seattle
2.0-star property

Oxford Seattle

7.8/10 Good! (105 reviews)

Nov 2 - Nov 9

7 night stay

Knoxville (TYS) to Seattle (SEA)

American Airlines • Non-stop roundtrip • Coach
Price was $943, price is now $713 per person
$713
per person
found 22 hours ago
Clean room eazy check in Super good location!

Reviewed on Sep 26, 2026

Mediterranean Inn
3.0-star property

Mediterranean Inn

9.4/10 Exceptional! (6,014 reviews)

Nov 2 - Nov 9

7 night stay

Knoxville (TYS) to Seattle (SEA)

American Airlines • Non-stop roundtrip • Coach
Save 100% on your flight
Price was $1,248, price is now $879 per person
$879
per person
found 22 hours ago

The Belltown Inn
2.5-star property

The Belltown Inn

9.4/10 Exceptional! (4,964 reviews)

Nov 2 - Nov 9

7 night stay

Knoxville (TYS) to Seattle (SEA)

American Airlines • Non-stop roundtrip • Coach
Price was $1,082, price is now $808 per person
$808
per person
found 22 hours ago

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More About Flying To Seattle from Knoxville

Frequently asked questions

What is the shortest flight from Knoxville to Seattle?
The shortest flight time from McGhee Tyson Airport (TYS) to Seattle - Tacoma Intl. Airport (SEA) is 6 hours and 3 minutes, which gives you more than enough time to indulge in a tipple or lose yourself in a gripping novel.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.