$259 Cheap American Airlines flights Portland (PDX) to Washington (IAD)

View $259 flight on Sun, May 24, 2026Opens in a new window

$259 Cheap American Airlines flights Portland (PDX) to Washington (IAD)

Prices were available within the past 7 days and start at $259 for one-way flights and $477 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Sep 26 - Thu, Oct 15
PDX
Portland
IAD
Washington
$477 Roundtrip, found 4 days ago
$477
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Sep 26 from Portland to Washington, returning Thu, Oct 15, priced at $477 found 4 days ago

Find the cheapest month to fly from Portland (PDX) to Washington (IAD)

May is typically the cheapest month to fly

From $208 - $476 per traveler.

Travel information

Origin airport
Portland Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
3713 km
Average flight time
5 hours 12 mins

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