Cheap Frontier Airlines flights Washington (IAD) to Portland (PDX)

Cheap Frontier Airlines flights Washington (IAD) to Portland (PDX)

Prices were available within the past 7 days and start at for one-way flights and $334 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 28 - Mon, Aug 4

IAD

Washington

PDX

Portland

$334 Roundtrip, found 14 hours ago

$334

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Washington to Portland, returning Mon, Aug 4, priced at $334 found 14 hours ago

Mon, Jul 28 - Sun, Aug 3

IAD

Washington

PDX

Portland

$339 Roundtrip, found 14 hours ago

$339

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Washington to Portland, returning Sun, Aug 3, priced at $339 found 14 hours ago

Mon, Jul 28 - Fri, Aug 1

IAD

Washington

PDX

Portland

$384 Roundtrip, found 14 hours ago

$384

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Washington to Portland, returning Fri, Aug 1, priced at $384 found 14 hours ago

Sun, Aug 3 - Mon, Aug 4

IAD

Washington

PDX

Portland

$409 Roundtrip, found 14 hours ago

$409

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Washington to Portland, returning Mon, Aug 4, priced at $409 found 14 hours ago