$250 Cheap United flights San Francisco (SFO) to Knoxville (TYS)

$250 Cheap United flights San Francisco (SFO) to Knoxville (TYS)

Prices were available within the past 7 days and start at $250 for one-way flights and $484 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 20 - Thu, Jun 25

SFO

San Francisco

TYS

Knoxville

$484 Roundtrip, found 1 day ago

$484

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jun 20 from San Francisco to Knoxville, returning Thu, Jun 25, priced at $484 found 1 day ago

Sat, Jun 20 - Tue, Jun 23

SFO

San Francisco

TYS

Knoxville

$489 Roundtrip, found 17 hours ago

$489

Roundtrip

found 17 hours ago

Select United flight, departing Sat, Jun 20 from San Francisco to Knoxville, returning Tue, Jun 23, priced at $489 found 17 hours ago

Mon, Jun 15 - Tue, Jun 23

SFO

San Francisco

TYS

Knoxville

$520 Roundtrip, found 2 days ago

$520

Roundtrip

found 2 days ago

Select United flight, departing Mon, Jun 15 from San Francisco to Knoxville, returning Tue, Jun 23, priced at $520 found 2 days ago

Sat, Jun 20 - Thu, Jun 25

SFO

San Francisco

TYS

Knoxville

$534 Roundtrip, found 1 day ago

$534

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jun 20 from San Francisco to Knoxville, returning Thu, Jun 25, priced at $534 found 1 day ago

Sat, Jun 20 - Thu, Jun 25

SFO

San Francisco

TYS

Knoxville

$539 Roundtrip, found 1 day ago

$539

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jun 20 from San Francisco to Knoxville, returning Thu, Jun 25, priced at $539 found 1 day ago

Mon, Jun 15 - Tue, Jun 23

SFO

San Francisco

TYS

Knoxville

$570 Roundtrip, found 2 days ago

$570

Roundtrip

found 2 days ago

Select United flight, departing Mon, Jun 15 from San Francisco to Knoxville, returning Tue, Jun 23, priced at $570 found 2 days ago