Cheap Frontier Airlines flights Knoxville (TYS) to Portland (PDX)

Cheap Frontier Airlines flights Knoxville (TYS) to Portland (PDX)

Prices were available within the past 7 days and start at for one-way flights and $312 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 12 - Sat, Jun 14

TYS

Knoxville

PDX

Portland

$312 Roundtrip, found 2 days ago

$312

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 12 from Knoxville to Portland, returning Sat, Jun 14, priced at $312 found 2 days ago

Sun, Jun 15 - Sat, Jun 21

TYS

Knoxville

PDX

Portland

$353 Roundtrip, found 2 days ago

$353

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jun 15 from Knoxville to Portland, returning Sat, Jun 21, priced at $353 found 2 days ago

Thu, Jun 19 - Sat, Jun 21

TYS

Knoxville

PDX

Portland

$380 Roundtrip, found 2 days ago

$380

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 19 from Knoxville to Portland, returning Sat, Jun 21, priced at $380 found 2 days ago

Thu, Jun 12 - Sun, Jun 15

TYS

Knoxville

PDX

Portland

$402 Roundtrip, found 2 days ago

$402

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 12 from Knoxville to Portland, returning Sun, Jun 15, priced at $402 found 2 days ago

Sun, Jun 15 - Thu, Jun 19

TYS

Knoxville

PDX

Portland

$403 Roundtrip, found 2 days ago

$403

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jun 15 from Knoxville to Portland, returning Thu, Jun 19, priced at $403 found 2 days ago

Sun, Jun 15 - Sun, Jun 22

TYS

Knoxville

PDX

Portland

$433 Roundtrip, found 2 days ago

$433

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jun 15 from Knoxville to Portland, returning Sun, Jun 22, priced at $433 found 2 days ago

Thu, Jun 19 - Sun, Jun 22

TYS

Knoxville

PDX

Portland

$460 Roundtrip, found 2 days ago

$460

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 19 from Knoxville to Portland, returning Sun, Jun 22, priced at $460 found 2 days ago