฿3,745 Cheap Flights from Washington (IAD) to Portland (PDX)

View ฿3,745 flight on Sat, 25 Apr 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿3,745 for one-way flights and ฿12,450 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
PDX
Portland
฿12,450 Return, found 3 days ago
฿12,450
Return
found 3 days ago
Select United flight, departing Wed, 18 Mar from Washington to Portland, returning Wed, 25 Mar, priced at ฿12,450 found 3 days ago
United
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
PDX
Portland
฿12,765 Return, found 3 days ago
฿12,765
Return
found 3 days ago
Select United flight, departing Wed, 18 Mar from Washington to Portland, returning Wed, 25 Mar, priced at ฿12,765 found 3 days ago
United
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
PDX
Portland
฿13,080 Return, found 3 days ago
฿13,080
Return
found 3 days ago
Select United flight, departing Wed, 18 Mar from Washington to Portland, returning Wed, 25 Mar, priced at ฿13,080 found 3 days ago
Delta
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
PDX
Portland
฿13,120 Return, found 3 days ago
฿13,120
Return
found 3 days ago
Select Delta flight, departing Wed, 18 Mar from Washington to Portland, returning Wed, 25 Mar, priced at ฿13,120 found 3 days ago
Delta
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
PDX
Portland
฿13,435 Return, found 3 days ago
฿13,435
Return
found 3 days ago
Select Delta flight, departing Wed, 18 Mar from Washington to Portland, returning Wed, 25 Mar, priced at ฿13,435 found 3 days ago
United
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
PDX
Portland
฿14,025 Return, found 3 days ago
฿14,025
Return
found 3 days ago
Select United flight, departing Wed, 18 Mar from Washington to Portland, returning Wed, 25 Mar, priced at ฿14,025 found 3 days ago
Delta
Fri, 24 Jul - Sun, 2 Aug
IAD
Washington
PDX
Portland
฿14,220 Return, found 2 days ago
฿14,220
Return
found 2 days ago
Select Delta flight, departing Fri, 24 Jul from Washington to Portland, returning Sun, 2 Aug, priced at ฿14,220 found 2 days ago
United
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
PDX
Portland
฿14,340 Return, found 3 days ago
฿14,340
Return
found 3 days ago
Select United flight, departing Wed, 18 Mar from Washington to Portland, returning Wed, 25 Mar, priced at ฿14,340 found 3 days ago
Delta
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
PDX
Portland
฿14,400 Return, found 3 days ago
฿14,400
Return
found 3 days ago
Select Delta flight, departing Wed, 18 Mar from Washington to Portland, returning Wed, 25 Mar, priced at ฿14,400 found 3 days ago
American Airlines
Fri, 24 Jul - Sun, 2 Aug
IAD
Washington
PDX
Portland
฿23,100 Return, found 2 days ago
฿23,100
Return
found 2 days ago
Select American Airlines flight, departing Fri, 24 Jul from Washington to Portland, returning Sun, 2 Aug, priced at ฿23,100 found 2 days ago

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

September is typically the cheapest month to fly

From ฿6,780 - ฿11,719 per traveller.
Flight from Washington to Portland route information
Origin airport
Washington Dulles Intl.
Destination airport
Portland Intl.
Return price
฿12,450
Distance
3713 km

Perfect flights from Washington to Portland

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Portland. 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 Washington Dulles Intl. to Portland Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿3,745 and roundtrip prices from ฿12,450. 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 Portland 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 Portland.

Frequently asked questions

How much is a flight from IAD to PDX Airport?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Dulles Intl. Airport and PDX start from ฿12,450. Book now to get the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to Portland Airport?
Most flights can be cancelled online, but each air carrier has a different set of terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to PDX 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 Washington Dulles Intl. Airport (IAD) to Portland Intl. Airport (PDX) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Dulles Intl. Airport to Portland Intl. Airport (PDX)?
The flight distance from Dulles Intl. Airport to PDX is 3,700 kilometres. Work your way through your travel song playlist or finish off your latest read and the journey will zip by.
Which airlines fly direct from Dulles Intl. Airport to PDX?
Check out the deals on offer with United Airlines (UA) if you want to fly directly from Washington Dulles Intl. Airport (IAD) to PDX. This top airline operates 30 flights every month, so you're sure to find one that fits your schedule.
Are IAD to PDX flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes find a bargain, with some of the cheapest fares from Washington Dulles Intl. Airport (IAD) to PDX Airport popping up a few weeks before the date of departure. If you'd rather plan ahead, Expedia compares and updates the best flight deals frequently — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines advertise prices so far in advance.
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