$269 Cheap United flights Knoxville (TYS) to Seattle (SEA)

View $269 flight on Tue, Aug 12, 2025Opens in a new window

$269 Cheap United flights Knoxville (TYS) to Seattle (SEA)

Prices were available within the past 7 days and start at $269 for one-way flights and $309 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Tue, Aug 12 - Tue, Aug 19
TYS
Knoxville
SEA
Seattle
$309
Roundtrip
Found 18 hours ago
Select United flight, departing Tue, Aug 12 from Knoxville to Seattle, returning Tue, Aug 19, priced at $309 Found 18 hours ago
United
Tue, Aug 12 - Tue, Aug 19
TYS
Knoxville
SEA
Seattle
$336
Roundtrip
Found 18 hours ago
Select United flight, departing Tue, Aug 12 from Knoxville to Seattle, returning Tue, Aug 19, priced at $336 Found 18 hours ago
United
Tue, Aug 12 - Tue, Aug 19
TYS
Knoxville
SEA
Seattle
$339
Roundtrip
Found 18 hours ago
Select United flight, departing Tue, Aug 12 from Knoxville to Seattle, returning Tue, Aug 19, priced at $339 Found 18 hours ago
United
Tue, Aug 12 - Tue, Aug 19
TYS
Knoxville
SEA
Seattle
$365
Roundtrip
Found 18 hours ago
Select United flight, departing Tue, Aug 12 from Knoxville to Seattle, returning Tue, Aug 19, priced at $365 Found 18 hours ago
United
Tue, Aug 12 - Tue, Aug 19
TYS
Knoxville
SEA
Seattle
$366
Roundtrip
Found 18 hours ago
Select United flight, departing Tue, Aug 12 from Knoxville to Seattle, returning Tue, Aug 19, priced at $366 Found 18 hours ago
United
Tue, Aug 12 - Tue, Aug 19
TYS
Knoxville
SEA
Seattle
$370
Roundtrip
Found 18 hours ago
Select United flight, departing Tue, Aug 12 from Knoxville to Seattle, returning Tue, Aug 19, priced at $370 Found 18 hours ago
Flights from Knoxville (TYS) to Seattle (SEA)
Origin airport
McGhee Tyson
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Popular airline
United
Distance
3375 km