
Popular airlines from Portland International Airport (PDX) to Washington Dulles International Airport (IAD)
- Air Canada
Air Canada
- WestJet
WestJet
- Flair Airlines
Flair Airlines
- American Airlines
American Airlines
- United
United
- Delta
Delta
- Porter Airlines
Porter Airlines
- Plan, book, fly with confidence
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Cheap flights from Portland (PDX) to Washington (IAD)
Prices were available within the past 7 days and start at CA $218 for one-way flights and CA $433 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Portland (PDX) to Washington (IAD)
May is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Portland Intl. |
Destination airport | Washington Dulles Intl. |
Roundtrip price | CA $433 |
Distance | 3713 km |
Average flight time | 4 hours 58 mins |
Portland to Chantilly Flights
The easy way to book your flights from Portland to Washington
With Expedia, it’s simple to find and book flights to Washington from Portland whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are United Airlines nonstop flights to Washington Dulles Intl., too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Portland to Washington today, tomorrow, or this week.
Save dollars with cheap flights from Portland Intl., PDX to Washington Dulles Intl., IAD
Sort your search results by price to find great deals on your flight from Portland to Washington—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Washington from Portland currently is just CA $433 rising to CA $600.
Here are more money-saving tips:
- Fly in November when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Washington
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Washington from Portland
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Washington with Expedia today.
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Top Routes from Portland
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Top Routes to Washington
- Ottawa to Washington (YOW - IAD)
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- Halifax to Washington (YHZ - IAD)
- Minneapolis to Washington (MSP - IAD)
- Seattle to Washington (SEA - IAD)
- Montreal to Washington (YUL - IAD)
- Buffalo to Washington (BUF - IAD)
- Vancouver to Washington (YVR - IAD)
- Kitchener to Washington (YKF - IAD)
Top Routes to Washington
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