€127 Cheap Flights Portland to Washington (PDX-IAD)

View €127 flight on Tue, 11 Nov 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Washington Dulles Intl. Airport (IAD)

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Cheap flights from Portland to Washington (PDX-IAD)

Prices were available within the past 7 days and start at €127 for one-way flights and €254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 8 Nov - Sat, 15 Nov
PDX
Portland
IAD
Washington
€254 Return, found 2 days ago
€254
Return
found 2 days ago
Select American Airlines flight, departing Sat, 8 Nov from Portland to Washington, returning Sat, 15 Nov, priced at €254 found 2 days ago
Delta
Sat, 8 Nov - Sat, 15 Nov
PDX
Portland
IAD
Washington
€254 Return, found 2 days ago
€254
Return
found 2 days ago
Select Delta flight, departing Sat, 8 Nov from Portland to Washington, returning Sat, 15 Nov, priced at €254 found 2 days ago
Delta
Sat, 8 Nov - Sat, 15 Nov
PDX
Portland
IAD
Washington
€271 Return, found 2 days ago
€271
Return
found 2 days ago
Select Delta flight, departing Sat, 8 Nov from Portland to Washington, returning Sat, 15 Nov, priced at €271 found 2 days ago
Delta
Sat, 8 Nov - Sat, 15 Nov
PDX
Portland
IAD
Washington
€279 Return, found 2 days ago
€279
Return
found 2 days ago
Select Delta flight, departing Sat, 8 Nov from Portland to Washington, returning Sat, 15 Nov, priced at €279 found 2 days ago
Delta
Sat, 8 Nov - Sat, 15 Nov
PDX
Portland
IAD
Washington
€306 Return, found 2 days ago
€306
Return
found 2 days ago
Select Delta flight, departing Sat, 8 Nov from Portland to Washington, returning Sat, 15 Nov, priced at €306 found 2 days ago
Delta
Sat, 8 Nov - Sat, 15 Nov
PDX
Portland
IAD
Washington
€310 Return, found 2 days ago
€310
Return
found 2 days ago
Select Delta flight, departing Sat, 8 Nov from Portland to Washington, returning Sat, 15 Nov, priced at €310 found 2 days ago
Delta
Sat, 8 Nov - Sat, 15 Nov
PDX
Portland
IAD
Washington
€314 Return, found 2 days ago
€314
Return
found 2 days ago
Select Delta flight, departing Sat, 8 Nov from Portland to Washington, returning Sat, 15 Nov, priced at €314 found 2 days ago
United
Sat, 8 Nov - Sat, 15 Nov
PDX
Portland
IAD
Washington
€322 Return, found 2 days ago
€322
Return
found 2 days ago
Select United flight, departing Sat, 8 Nov from Portland to Washington, returning Sat, 15 Nov, priced at €322 found 2 days ago
United
Sat, 8 Nov - Sat, 15 Nov
PDX
Portland
IAD
Washington
€327 Return, found 2 days ago
€327
Return
found 2 days ago
Select United flight, departing Sat, 8 Nov from Portland to Washington, returning Sat, 15 Nov, priced at €327 found 2 days ago
Alaska Airlines
Sat, 8 Nov - Sat, 15 Nov
PDX
Portland
IAD
Washington
€735 Return, found 2 days ago
€735
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 8 Nov from Portland to Washington, returning Sat, 15 Nov, priced at €735 found 2 days ago

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

May is typically the cheapest month to fly

From €177 - €380 per traveller.

Frequently asked questions

How much is a flight from PDX to Dulles Intl. Airport?
If you're planning on travelling from Portland Intl. Airport (PDX) to IAD, round-trip flights start from €254. This figure is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Intl. Airport (PDX) to Dulles Intl. Airport?
This differs between air carriers, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find instructions on how to cancel your flight online.
How do I find cheap flights from Portland Intl. Airport (PDX) to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PDX to IAD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PDX Airport to Dulles Intl. Airport?
The flying distance from Portland Intl. Airport (PDX) to Dulles Intl. Airport is 3,700 kilometres. Listen to some music or bury your nose in a book and the journey will zip by.
Which airlines fly direct from PDX to Washington Dulles Intl. Airport (IAD)?
If you're looking to fly directly from PDX to Dulles Intl. Airport, United Airlines (UA) is a popular option. It operates 30 flights each month between Portland and Chantilly.
Are Portland Airport to IAD flight tickets cheaper when they're purchased at the last minute?
It is possible to nab a fantastic last-minute deal from PDX Airport to Dulles Intl. Airport, but it's also possible to miss out entirely! As many airlines release seats up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares air carrier prices and updates flight deals regularly, so you can be certain you're always getting the latest offers.

Travel information

Travel information

Origin airport
Portland Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Delta, United
Return price
€253
Distance
3713 km
Average flight time
10 hours 4 mins

Book with confidence

Book with confidence

Perfect flights from Portland to Washington

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Our flexible Portland Intl. to Washington Dulles Intl. ticket options cater to your travel preferences, with incredible one-way fares from €127 and roundtrip prices from €254. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
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Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Washington.
Perfect flights from Portland to Washington

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