Cheap Flights from Washington (WAS) to Portland (PDX)

View AU$241 flight on Wed, 17 Sep. 2025Opens in a new window

Popular airlines from Washington to Portland, OR (PDX-Portland Intl.)

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Cheap Flights from Washington (WAS) to Portland (PDX)

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

Alaska Airlines
Tue, 9 Sep. - Tue, 16 Sep.
DCA
Washington
PDX
Portland
AU$450 Return, found 5 days ago
AU$450
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 9 Sep. from Washington to Portland, returning Tue, 16 Sep., priced at AU$450 found 5 days ago
Alaska Airlines
Tue, 9 Sep. - Tue, 16 Sep.
IAD
Washington
PDX
Portland
AU$480 Return, found 5 days ago
AU$480
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 9 Sep. from Washington to Portland, returning Tue, 16 Sep., priced at AU$480 found 5 days ago
American Airlines
Tue, 9 Sep. - Tue, 16 Sep.
DCA
Washington
PDX
Portland
AU$481 Return, found 5 days ago
AU$481
Return
found 5 days ago
Select American Airlines flight, departing Tue, 9 Sep. from Washington to Portland, returning Tue, 16 Sep., priced at AU$481 found 5 days ago
Delta
Tue, 9 Sep. - Tue, 16 Sep.
DCA
Washington
PDX
Portland
AU$481 Return, found 5 days ago
AU$481
Return
found 5 days ago
Select Delta flight, departing Tue, 9 Sep. from Washington to Portland, returning Tue, 16 Sep., priced at AU$481 found 5 days ago
Alaska Airlines
Tue, 9 Sep. - Tue, 16 Sep.
BWI
Baltimore
PDX
Portland
AU$495 Return, found 5 days ago
AU$495
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 9 Sep. from Baltimore to Portland, returning Tue, 16 Sep., priced at AU$495 found 5 days ago
American Airlines
Tue, 9 Sep. - Tue, 16 Sep.
BWI
Baltimore
PDX
Portland
AU$496 Return, found 5 days ago
AU$496
Return
found 5 days ago
Select American Airlines flight, departing Tue, 9 Sep. from Baltimore to Portland, returning Tue, 16 Sep., priced at AU$496 found 5 days ago
American Airlines
Fri, 12 Sep. - Fri, 19 Sep.
BWI
Baltimore
PDX
Portland
AU$514 Return, found 3 days ago
AU$514
Return
found 3 days ago
Select American Airlines flight, departing Fri, 12 Sep. from Baltimore to Portland, returning Fri, 19 Sep., priced at AU$514 found 3 days ago
Alaska Airlines
Fri, 12 Sep. - Fri, 19 Sep.
DCA
Washington
PDX
Portland
AU$516 Return, found 3 days ago
AU$516
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 12 Sep. from Washington to Portland, returning Fri, 19 Sep., priced at AU$516 found 3 days ago
Alaska Airlines
Tue, 9 Sep. - Tue, 16 Sep.
IAD
Washington
PDX
Portland
AU$540 Return, found 5 days ago
AU$540
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 9 Sep. from Washington to Portland, returning Tue, 16 Sep., priced at AU$540 found 5 days ago
United
Tue, 9 Sep. - Tue, 16 Sep.
BWI
Baltimore
PDX
Portland
AU$579 Return, found 5 days ago
AU$579
Return
found 5 days ago
Select United flight, departing Tue, 9 Sep. from Baltimore to Portland, returning Tue, 16 Sep., priced at AU$579 found 5 days ago

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

September is typically the cheapest month to fly

From AU$146 - AU$392 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Portland route information
Origin airport
Ronald Reagan Washington National
Destination airport
Portland Intl.
Return price
AU$450
Distance
3750 km

WAS to PDX Flights

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Washington Airports

Washington

Ronald Reagan Washington National to Portland
AU$449.80

Baltimore

*Available to Expedia members.