€96 Cheap Flights Portland to Washington (PDX-IAD)

View €96 flight on Sat, 30 Aug 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Portland to Washington (PDX-IAD)

Prices were available within the past 7 days and start at €96 for one-way flights and €191 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 30 Aug - Sat, 6 Sep
PDX
Portland
IAD
Washington
€191 Return, found 11 hours ago
€191
Return
found 11 hours ago
Select Delta flight, departing Sat, 30 Aug from Portland to Washington, returning Sat, 6 Sep, priced at €191 found 11 hours ago
Delta
Sat, 30 Aug - Sat, 6 Sep
PDX
Portland
IAD
Washington
€235 Return, found 11 hours ago
€235
Return
found 11 hours ago
Select Delta flight, departing Sat, 30 Aug from Portland to Washington, returning Sat, 6 Sep, priced at €235 found 11 hours ago
Delta
Sat, 30 Aug - Sat, 6 Sep
PDX
Portland
IAD
Washington
€267 Return, found 11 hours ago
€267
Return
found 11 hours ago
Select Delta flight, departing Sat, 30 Aug from Portland to Washington, returning Sat, 6 Sep, priced at €267 found 11 hours ago
American Airlines
Sat, 13 Sep - Sat, 20 Sep
PDX
Portland
IAD
Washington
€276 Return, found 4 days ago
€276
Return
found 4 days ago
Select American Airlines flight, departing Sat, 13 Sep from Portland to Washington, returning Sat, 20 Sep, priced at €276 found 4 days ago
American Airlines
Sat, 13 Sep - Sat, 20 Sep
PDX
Portland
IAD
Washington
€285 Return, found 4 days ago
€285
Return
found 4 days ago
Select American Airlines flight, departing Sat, 13 Sep from Portland to Washington, returning Sat, 20 Sep, priced at €285 found 4 days ago
Delta
Sat, 30 Aug - Sat, 6 Sep
PDX
Portland
IAD
Washington
€286 Return, found 11 hours ago
€286
Return
found 11 hours ago
Select Delta flight, departing Sat, 30 Aug from Portland to Washington, returning Sat, 6 Sep, priced at €286 found 11 hours ago
United
Sat, 30 Aug - Sat, 6 Sep
PDX
Portland
IAD
Washington
€289 Return, found 11 hours ago
€289
Return
found 11 hours ago
Select United flight, departing Sat, 30 Aug from Portland to Washington, returning Sat, 6 Sep, priced at €289 found 11 hours ago
Delta
Sat, 30 Aug - Sat, 6 Sep
PDX
Portland
IAD
Washington
€294 Return, found 11 hours ago
€294
Return
found 11 hours ago
Select Delta flight, departing Sat, 30 Aug from Portland to Washington, returning Sat, 6 Sep, priced at €294 found 11 hours ago
United
Sat, 30 Aug - Sat, 6 Sep
PDX
Portland
IAD
Washington
€297 Return, found 11 hours ago
€297
Return
found 11 hours ago
Select United flight, departing Sat, 30 Aug from Portland to Washington, returning Sat, 6 Sep, priced at €297 found 11 hours ago
Delta
Sat, 13 Sep - Sat, 20 Sep
PDX
Portland
IAD
Washington
€311 Return, found 4 days ago
€311
Return
found 4 days ago
Select Delta flight, departing Sat, 13 Sep from Portland to Washington, returning Sat, 20 Sep, priced at €311 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 €180 - €360 per traveller.

Graph displaying average flight prices per month

Portland to Washington route information
Origin airport
Portland Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Delta, United
Return price
€190
Distance
3713 km
Average flight time
4 hours 58 mins

Perfect flights from Portland to Washington

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Portland to Washington. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Portland Intl. to Washington Dulles Intl. ticket options cater to your travel preferences, with incredible one-way fares from €96 and roundtrip prices from €191. 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.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Washington Dulles Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
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.

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 €191. 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.

Explore a world of travel with Expedia

*Available to Expedia members.