$404 Cheap United flights San Francisco (SFO) to Knoxville (TYS)

$404 Cheap United flights San Francisco (SFO) to Knoxville (TYS)

Prices were available within the past 7 days and start at $404 for one-way flights and $429 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 24 - Mon, Mar 30

SFO

San Francisco

TYS

Knoxville

$429 Roundtrip, found 1 day ago

$429

Roundtrip

found 1 day ago

Select United flight, departing Tue, Mar 24 from San Francisco to Knoxville, returning Mon, Mar 30, priced at $429 found 1 day ago

Sun, Mar 29 - Sat, Apr 4

SFO

San Francisco

TYS

Knoxville

$542 Roundtrip, found 1 day ago

$542

Roundtrip

found 1 day ago

Select United flight, departing Sun, Mar 29 from San Francisco to Knoxville, returning Sat, Apr 4, priced at $542 found 1 day ago

Tue, Jan 27 - Thu, Feb 5

SFO

San Francisco

TYS

Knoxville

$552 Roundtrip, found 1 day ago

$552

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jan 27 from San Francisco to Knoxville, returning Thu, Feb 5, priced at $552 found 1 day ago

Sun, Mar 29 - Wed, Apr 1

SFO

San Francisco

TYS

Knoxville

$561 Roundtrip, found 1 day ago

$561

Roundtrip

found 1 day ago

Select United flight, departing Sun, Mar 29 from San Francisco to Knoxville, returning Wed, Apr 1, priced at $561 found 1 day ago

Fri, Jan 30 - Sun, Feb 1

SFO

San Francisco

TYS

Knoxville

$562 Roundtrip, found 1 day ago

$562

Roundtrip

found 1 day ago

Select United flight, departing Fri, Jan 30 from San Francisco to Knoxville, returning Sun, Feb 1, priced at $562 found 1 day ago