$348 Cheap United flights Bismarck (BIS) to Knoxville (TYS)

$348 Cheap United flights Bismarck (BIS) to Knoxville (TYS)

Prices were available within the past 7 days and start at $348 for one-way flights and $651 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 11 - Wed, Jul 15

BIS

Bismarck

TYS

Knoxville

$651 Roundtrip, just found

$651

Roundtrip

just found

Select United flight, departing Sat, Jul 11 from Bismarck to Knoxville, returning Wed, Jul 15, priced at $651 just found

Fri, Jul 10 - Fri, Jul 17

BIS

Bismarck

TYS

Knoxville

$779 Roundtrip, found 6 hours ago

$779

Roundtrip

found 6 hours ago

Select United flight, departing Fri, Jul 10 from Bismarck to Knoxville, returning Fri, Jul 17, priced at $779 found 6 hours ago