Portland (PDX) to Washington (IAD) flight deal from $296 USD in economy class

AAAmerican Airlines

Round Trip•Economy

PDX

Portland International Airport

Portland, United States

IAD

Washington Dulles International Airport

Washington, United States

$531 USD

-44%$296 USD

Verified Nov 30, 2025 at 8:55 PM

April 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$447 31$357 1$466 2$527 3$527 4$597 5$527 6$447 7$467 8$357 9$407 10$447 11$452 12$472 13$382 14$357 15$357 16$467 17$407 18$357 19$467 20$377 21$357 22$357 23$467 24$407 25$357 26$467 27$377 28$357 29$357 30$467 1 2 3

Limited Availability

13% of dates checked are available within 10% of the lowest price

Friday, April 17th, 2026

10 round-trip options

Returning

Wed, Apr 22, 2026•5 Day Trip

$426 USD

Google Flights

Returning

Thu, Apr 23, 2026•6 Day Trip

$516 USD

Google Flights

Returning

Fri, Apr 24, 2026•7 Day Trip

$516 USD

Google Flights

Returning

Sat, Apr 25, 2026•8 Day Trip

$412 USD

Google Flights

Returning

Sun, Apr 26, 2026•9 Day Trip

$536 USD

Google Flights

Returning

Mon, Apr 27, 2026•10 Day Trip

$516 USD

Google Flights

Returning

Tue, Apr 28, 2026•11 Day Trip

$407 USD

Google Flights

Returning

Wed, Apr 29, 2026•12 Day Trip

$426 USD

Google Flights

Returning

Thu, Apr 30, 2026•13 Day Trip

$516 USD

Google Flights

Returning

Fri, May 1, 2026•14 Day Trip

$516 USD

Google Flights