฿6,125 Cheap Flights from Washington (IAD) to Portland (PDX)

View ฿6,125 flight on Mon, 3 Nov 2025Opens 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 ฿6,125 for one-way flights and ฿11,730 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 31 Oct - Wed, 5 Nov
IAD
Washington
PDX
Portland
฿11,730 Return, found 3 days ago
฿11,730
Return
found 3 days ago
Select Delta flight, departing Fri, 31 Oct from Washington to Portland, returning Wed, 5 Nov, priced at ฿11,730 found 3 days ago
Delta
Fri, 31 Oct - Wed, 5 Nov
IAD
Washington
PDX
Portland
฿13,405 Return, found 3 days ago
฿13,405
Return
found 3 days ago
Select Delta flight, departing Fri, 31 Oct from Washington to Portland, returning Wed, 5 Nov, priced at ฿13,405 found 3 days ago
Delta
Fri, 31 Oct - Wed, 5 Nov
IAD
Washington
PDX
Portland
฿13,735 Return, found 3 days ago
฿13,735
Return
found 3 days ago
Select Delta flight, departing Fri, 31 Oct from Washington to Portland, returning Wed, 5 Nov, priced at ฿13,735 found 3 days ago
United
Fri, 31 Oct - Wed, 5 Nov
IAD
Washington
PDX
Portland
฿14,050 Return, found 3 days ago
฿14,050
Return
found 3 days ago
Select United flight, departing Fri, 31 Oct from Washington to Portland, returning Wed, 5 Nov, priced at ฿14,050 found 3 days ago
United
Fri, 31 Oct - Wed, 5 Nov
IAD
Washington
PDX
Portland
฿14,375 Return, found 3 days ago
฿14,375
Return
found 3 days ago
Select United flight, departing Fri, 31 Oct from Washington to Portland, returning Wed, 5 Nov, priced at ฿14,375 found 3 days ago
United
Fri, 31 Oct - Wed, 5 Nov
IAD
Washington
PDX
Portland
฿14,700 Return, found 3 days ago
฿14,700
Return
found 3 days ago
Select United flight, departing Fri, 31 Oct from Washington to Portland, returning Wed, 5 Nov, priced at ฿14,700 found 3 days ago
Delta
Fri, 31 Oct - Wed, 5 Nov
IAD
Washington
PDX
Portland
฿14,720 Return, found 3 days ago
฿14,720
Return
found 3 days ago
Select Delta flight, departing Fri, 31 Oct from Washington to Portland, returning Wed, 5 Nov, priced at ฿14,720 found 3 days ago
Delta
Fri, 31 Oct - Wed, 5 Nov
IAD
Washington
PDX
Portland
฿15,015 Return, found 3 days ago
฿15,015
Return
found 3 days ago
Select Delta flight, departing Fri, 31 Oct from Washington to Portland, returning Wed, 5 Nov, priced at ฿15,015 found 3 days ago
American Airlines
Fri, 31 Oct - Wed, 5 Nov
IAD
Washington
PDX
Portland
฿15,030 Return, found 3 days ago
฿15,030
Return
found 3 days ago
Select American Airlines flight, departing Fri, 31 Oct from Washington to Portland, returning Wed, 5 Nov, priced at ฿15,030 found 3 days ago
Delta
Fri, 31 Oct - Wed, 5 Nov
IAD
Washington
PDX
Portland
฿15,405 Return, found 3 days ago
฿15,405
Return
found 3 days ago
Select Delta flight, departing Fri, 31 Oct from Washington to Portland, returning Wed, 5 Nov, priced at ฿15,405 found 3 days ago

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

May is typically the cheapest month to fly

From ฿6,788 - ฿16,035 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Portland route information
Origin airport
Washington Dulles Intl.
Destination airport
Portland Intl.
Return price
฿11,730
Distance
3713 km
Average flight time
5 hours 30 mins

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 ฿6,125 and roundtrip prices from ฿11,730. 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 ฿11,730. 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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