$381 Cheap United flights Boston (BOS) to Knoxville (TYS)

$381 Cheap United flights Boston (BOS) to Knoxville (TYS)

Prices were available within the past 7 days and start at $381 for one-way flights and $321 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Apr 21 - Tue, May 5

BOS

Boston

TYS

Knoxville

$321 Roundtrip, found 2 days ago

$321

Roundtrip

found 2 days ago

Select United flight, departing Tue, Apr 21 from Boston to Knoxville, returning Tue, May 5, priced at $321 found 2 days ago

Tue, Jun 9 - Wed, Jun 24

BOS

Boston

TYS

Knoxville

$349 Roundtrip, found 2 days ago

$349

Roundtrip

found 2 days ago

Select United flight, departing Tue, Jun 9 from Boston to Knoxville, returning Wed, Jun 24, priced at $349 found 2 days ago

Tue, Apr 21 - Mon, May 4

BOS

Boston

TYS

Knoxville

$415 Roundtrip, found 2 days ago

$415

Roundtrip

found 2 days ago

Select United flight, departing Tue, Apr 21 from Boston to Knoxville, returning Mon, May 4, priced at $415 found 2 days ago