$253 Cheap United flights Portland (PDX) to Knoxville (TYS)

$253 Cheap United flights Portland (PDX) to Knoxville (TYS)

Prices were available within the past 7 days and start at $253 for one-way flights and $395 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 12 - Tue, Aug 18

PDX

Portland

TYS

Knoxville

$395 Roundtrip, found 1 day ago

$395

Roundtrip

found 1 day ago

Select United flight, departing Wed, Aug 12 from Portland to Knoxville, returning Tue, Aug 18, priced at $395 found 1 day ago

Wed, Aug 12 - Tue, Aug 18

PDX

Portland

TYS

Knoxville

$414 Roundtrip, found 1 day ago

$414

Roundtrip

found 1 day ago

Select United flight, departing Wed, Aug 12 from Portland to Knoxville, returning Tue, Aug 18, priced at $414 found 1 day ago

Wed, Aug 12 - Tue, Aug 18

PDX

Portland

TYS

Knoxville

$416 Roundtrip, found 1 day ago

$416

Roundtrip

found 1 day ago

Select United flight, departing Wed, Aug 12 from Portland to Knoxville, returning Tue, Aug 18, priced at $416 found 1 day ago

Tue, Aug 11 - Sat, Aug 15

PDX

Portland

TYS

Knoxville

$434 Roundtrip, found 1 day ago

$434

Roundtrip

found 1 day ago

Select United flight, departing Tue, Aug 11 from Portland to Knoxville, returning Sat, Aug 15, priced at $434 found 1 day ago

Wed, Aug 12 - Tue, Aug 18

PDX

Portland

TYS

Knoxville

$440 Roundtrip, found 1 day ago

$440

Roundtrip

found 1 day ago

Select United flight, departing Wed, Aug 12 from Portland to Knoxville, returning Tue, Aug 18, priced at $440 found 1 day ago

Tue, Aug 11 - Sat, Aug 15

PDX

Portland

TYS

Knoxville

$444 Roundtrip, found 1 day ago

$444

Roundtrip

found 1 day ago

Select United flight, departing Tue, Aug 11 from Portland to Knoxville, returning Sat, Aug 15, priced at $444 found 1 day ago