S$126 Cheap Flights from Washington to Portland

View S$126 flight on Sat, 23 Aug, 2025Opens in a new window

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

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Cheap Flights from Washington to Portland (IAD-PDX)

Prices were available within the past 7 days and start at S$126 for one-way flights and S$308 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 23 Aug - Sat, 30 Aug
IAD
Washington
PDX
Portland
S$308 Return, found 10 hours ago
S$308
Return
found 10 hours ago
Select American Airlines flight, departing Sat, 23 Aug from Washington to Portland, returning Sat, 30 Aug, priced at S$308 found 10 hours ago
Delta
Sat, 23 Aug - Sat, 30 Aug
IAD
Washington
PDX
Portland
S$329 Return, found 10 hours ago
S$329
Return
found 10 hours ago
Select Delta flight, departing Sat, 23 Aug from Washington to Portland, returning Sat, 30 Aug, priced at S$329 found 10 hours ago
Delta
Sat, 23 Aug - Sat, 30 Aug
IAD
Washington
PDX
Portland
S$385 Return, found 10 hours ago
S$385
Return
found 10 hours ago
Select Delta flight, departing Sat, 23 Aug from Washington to Portland, returning Sat, 30 Aug, priced at S$385 found 10 hours ago
Delta
Sat, 23 Aug - Sat, 30 Aug
IAD
Washington
PDX
Portland
S$397 Return, found 10 hours ago
S$397
Return
found 10 hours ago
Select Delta flight, departing Sat, 23 Aug from Washington to Portland, returning Sat, 30 Aug, priced at S$397 found 10 hours ago
Delta
Sat, 23 Aug - Sat, 30 Aug
IAD
Washington
PDX
Portland
S$403 Return, found 10 hours ago
S$403
Return
found 10 hours ago
Select Delta flight, departing Sat, 23 Aug from Washington to Portland, returning Sat, 30 Aug, priced at S$403 found 10 hours ago
Delta
Sat, 23 Aug - Sat, 30 Aug
IAD
Washington
PDX
Portland
S$406 Return, found 10 hours ago
S$406
Return
found 10 hours ago
Select Delta flight, departing Sat, 23 Aug from Washington to Portland, returning Sat, 30 Aug, priced at S$406 found 10 hours ago
United
Sat, 23 Aug - Sat, 30 Aug
IAD
Washington
PDX
Portland
S$406 Return, found 10 hours ago
S$406
Return
found 10 hours ago
Select United flight, departing Sat, 23 Aug from Washington to Portland, returning Sat, 30 Aug, priced at S$406 found 10 hours ago
United
Sat, 23 Aug - Sat, 30 Aug
IAD
Washington
PDX
Portland
S$419 Return, found 10 hours ago
S$419
Return
found 10 hours ago
Select United flight, departing Sat, 23 Aug from Washington to Portland, returning Sat, 30 Aug, priced at S$419 found 10 hours ago
Delta
Wed, 13 Aug - Wed, 20 Aug
IAD
Washington
PDX
Portland
S$455 Return, found 2 days ago
S$455
Return
found 2 days ago
Select Delta flight, departing Wed, 13 Aug from Washington to Portland, returning Wed, 20 Aug, priced at S$455 found 2 days ago
United
Wed, 13 Aug - Wed, 20 Aug
IAD
Washington
PDX
Portland
S$481 Return, found 2 days ago
S$481
Return
found 2 days ago
Select United flight, departing Wed, 13 Aug from Washington to Portland, returning Wed, 20 Aug, priced at S$481 found 2 days ago

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

May is typically the cheapest month to fly

From S$265 - S$505 per traveller.

Graph displaying average flight prices per month

Washington to Portland route information
Origin airport
Washington Dulles Intl.
Destination airport
Portland Intl.
Return price
S$308
Distance
3713 km
Average flight time
4 hours 3 mins

Perfect flights from Washington to Portland

Your Journey from Washington to Portland

Start your unforgettable journey with Expedia. Our broad selection of flights from Washington to Portland caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, American Airlines, United. Our selection of flights from Washington Dulles Intl. to Portland Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Washington to Portland Flights

Experience the joy of finding cheap flights from Washington Dulles Intl. to Portland Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$126 and roundtrip prices from S$308*.
 

Pre-Flight Essentials

Ensure a smooth journey from Washington to Portland with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Portland

Picture yourself stepping off the plane in Portland and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Washington to Portland Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Washington to Portland.
 

Beyond the Flight – Exploring Portland

With Expedia, your adventure extends beyond the flight. Explore Portland at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Washington to Portland with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Washington to Portland with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 S$308. 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.

Explore a world of travel with Expedia

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