￥61,560 Cheap Flights from Portland (PDX) to Washington (IAD)

View ￥61,560 flight on Sun, Jan 4, 2026Opens 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 ￥61,560 for one-way flights and ￥146,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Jan 1 - Sun, Jan 4
PDX
Portland
IAD
Washington
￥146,400 Roundtrip, found 5 days ago
￥146,400
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jan 1 from Portland to Washington, returning Sun, Jan 4, priced at ￥146,400 found 5 days ago

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

May is typically the cheapest month to fly

From ￥32,353 - ￥70,777 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from ￥67,440
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from ￥67,440
Flights from Portland (PDX) to Washington (IAD)
Origin airport
Portland Intl.
Destination airport
Washington Dulles Intl.
Roundtrip price
￥146,400
Distance
3713 km
Average flight time
4 hours 58 mins

Portland to Washington Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Portland to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Washington.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with PDX to IAD flights that won’t make your bank account wince. Ready to temporarily leave behind Portland for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IAD with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from PDX Airport to Washington Dulles Intl. Airport (IAD)?
If you're planning on traveling between Portland Airport and Dulles Intl. Airport, round-trip flights start from ￥146,400. This price is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't hang about. 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 Airport to Dulles Intl. Airport?
Each air carrier has a different set of terms and conditions. If you decide to cancel your vacation, head to our Customer Service Portal.
How do I find cheap flights from Portland Airport to Washington Dulles Intl. Airport (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 Portland Airport to Dulles Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from PDX to Washington Dulles Intl. Airport (IAD)?
Consider bringing your own entertainment (like some downloaded TV shows), as it takes approximately 7 hours and 39 minutes to arrive at Washington Dulles Intl. Airport (IAD) from Portland Airport. A pair of noise-canceling earphones will be useful too.
How far is the flight from Portland Airport to Washington Dulles Intl. Airport (IAD)?
The flight distance from Portland to Chantilly is 3,700 kilometers. Bring a drink, a few snacks and a good movie. Keep yourself busy in the air and the hours will fly by.
Which airlines fly direct from PDX Airport to IAD?
A favorite with many frequent flyers, United Airlines (UA) operates 30 flights every month from Portland Intl. Airport (PDX) to Dulles Intl. Airport. Pick the one that suits your travel plans and book your seat today.
Are Portland Intl. Airport (PDX) to Washington Dulles Intl. Airport (IAD) flight tickets cheaper when they're purchased at the last minute?
Flight prices from Portland Intl. Airport (PDX) to IAD are available up to 12 months before departure on Expedia. And although you may occasionally pick up great last-minute deal, it's not something you should bank on. Also, booking your flights well in advance means you'll have more options — and you can avoid being wedged in the dreaded middle seat! We frequently update our fares to bring you the best bargains, so check back often for all the latest specials.

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