$689 Cheap United flights Portland (PDX) to Washington (IAD)

$689 Cheap United flights Portland (PDX) to Washington (IAD)

Prices were available within the past 7 days and start at $689 for one-way flights and $448 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Mar 23 - Thu, Apr 2

PDX

Portland

IAD

Washington

$448 Roundtrip, found 1 day ago

$448

Roundtrip

found 1 day ago

Select United flight, departing Mon, Mar 23 from Portland to Washington, returning Thu, Apr 2, priced at $448 found 1 day ago

Tue, Mar 24 - Thu, Mar 26

PDX

Portland

IAD

Washington

$547 Roundtrip, found 1 day ago

$547

Roundtrip

found 1 day ago

Select United flight, departing Tue, Mar 24 from Portland to Washington, returning Thu, Mar 26, priced at $547 found 1 day ago

Wed, Mar 25 - Thu, Mar 26

PDX

Portland

IAD

Washington

$557 Roundtrip, found 1 day ago

$557

Roundtrip

found 1 day ago

Select United flight, departing Wed, Mar 25 from Portland to Washington, returning Thu, Mar 26, priced at $557 found 1 day ago

Mon, Mar 23 - Thu, Mar 26

PDX

Portland

IAD

Washington

$577 Roundtrip, found 1 day ago

$577

Roundtrip

found 1 day ago

Select United flight, departing Mon, Mar 23 from Portland to Washington, returning Thu, Mar 26, priced at $577 found 1 day ago

Tue, Mar 24 - Mon, Mar 30

PDX

Portland

IAD

Washington

$583 Roundtrip, found 1 day ago

$583

Roundtrip

found 1 day ago

Select United flight, departing Tue, Mar 24 from Portland to Washington, returning Mon, Mar 30, priced at $583 found 1 day ago

Thu, Mar 26 - Mon, Mar 30

PDX

Portland

IAD

Washington

$604 Roundtrip, found 1 day ago

$604

Roundtrip

found 1 day ago

Select United flight, departing Thu, Mar 26 from Portland to Washington, returning Mon, Mar 30, priced at $604 found 1 day ago