AED580 Cheap Flights from Portland (PDX) to Washington (IAD)

View AED580 flight on Wed, 21 January 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 AED580 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Portland (PDX) to Washington (IAD)
Origin airport
Portland Intl.
Destination airport
Washington Dulles Intl.
Distance
3713 km
Average flight time
10 hours 4 mins

Portland to Washington Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Portland to Washington offer the perfect respite. Not only does exploring Washington provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Portland to Washington may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from PDX to IAD today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Washington are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Washington more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Washington is AED580 now!

Frequently asked questions

How long does it take to fly from Portland Intl. Airport (PDX) to Washington Dulles Intl. Airport (IAD)?
With United Airlines, a direct flight takes roughly 4 hours and 58 minutes. Step on board the 11:20PM flight from Portland Intl. Airport (PDX) and come in to land at Dulles Intl. Airport at 7:18AM. Pick up an awesome deal on this and other routes when you book your ticket with Expedia.
Is it cheaper to buy a plane ticket from Portland Airport to Dulles Intl. Airport last minute?
When it's time to book your flights, it's always better to be prepared. While you could pick up a deal on a PDX Airport to IAD flight at the last minute, prices usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international travel it's between three and four months.
What airports do you fly into for Washington from Portland?
Washington Dulles Intl. Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) are your options when flying from Portland to Washington. Approximately 40 kilometers west of downtown Washington, Washington Dulles Intl. Airport (IAD) is the city's principal gateway. Consider things like flight arrival and departure times and the distance to your hotel before choosing your airport. White House and United States Capitol are two awesome attractions to put on your to-do list when you get to your destination.
What are the most popular departure times for flights from PDX to Dulles Intl. Airport?
The most popular departure times for journeys from PDX to Dulles Intl. Airport fall between 8:00 AM - 9:00 AM on United Airlines. One helpful tip is to head off in the morning. The earlier you go, the better your chances of a delay-free flight as air traffic hasn't yet built up around airports.
Can I change the date of my flight from PDX to Dulles Intl. Airport?
Easily make changes to your Portland Intl. Airport (PDX) to IAD journey through the Expedia Trips portal. But before you begin, review the rules and conditions in your itinerary to find out what the carrier will allow you to do and if any charges apply. Some airlines charge a change fee per person, plus any difference in fare prices. However, if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also browse our Customer Service portal to find the answers to your questions and to connect with our Virtual Agent.

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