£118 Cheap Flights from Washington (DCA) to Portland (PDX)

View £118 flight on Tue, 19 Aug 2025Opens in a new window

Popular airlines from Ronald Reagan National Airport (DCA) to Portland International Airport (PDX)

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

Prices were available within the past 7 days and start at £118 for one-way flights and £219 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 13 Sep - Wed, 17 Sep
DCA
Washington
PDX
Portland
£219 Return, found 2 days ago
£219
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Washington to Portland, returning Wed, 17 Sep, priced at £219 found 2 days ago
Alaska Airlines
Sat, 13 Sep - Wed, 17 Sep
DCA
Washington
PDX
Portland
£241 Return, found 2 days ago
£241
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Washington to Portland, returning Wed, 17 Sep, priced at £241 found 2 days ago
Alaska Airlines
Sat, 13 Sep - Wed, 17 Sep
DCA
Washington
PDX
Portland
£265 Return, found 2 days ago
£265
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Washington to Portland, returning Wed, 17 Sep, priced at £265 found 2 days ago
Alaska Airlines
Sat, 13 Sep - Wed, 17 Sep
DCA
Washington
PDX
Portland
£288 Return, found 2 days ago
£288
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Washington to Portland, returning Wed, 17 Sep, priced at £288 found 2 days ago
Alaska Airlines
Sat, 13 Sep - Wed, 17 Sep
DCA
Washington
PDX
Portland
£293 Return, found 2 days ago
£293
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Washington to Portland, returning Wed, 17 Sep, priced at £293 found 2 days ago
Alaska Airlines
Sat, 13 Sep - Wed, 17 Sep
DCA
Washington
PDX
Portland
£300 Return, found 2 days ago
£300
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Washington to Portland, returning Wed, 17 Sep, priced at £300 found 2 days ago
Alaska Airlines
Sat, 13 Sep - Wed, 17 Sep
DCA
Washington
PDX
Portland
£302 Return, found 2 days ago
£302
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Washington to Portland, returning Wed, 17 Sep, priced at £302 found 2 days ago
Alaska Airlines
Mon, 8 Dec - Mon, 12 Jan
DCA
Washington
PDX
Portland
£304 Return, found 1 day ago
£304
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 8 Dec from Washington to Portland, returning Mon, 12 Jan, priced at £304 found 1 day ago
Alaska Airlines
Sat, 13 Sep - Wed, 17 Sep
DCA
Washington
PDX
Portland
£308 Return, found 2 days ago
£308
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Washington to Portland, returning Wed, 17 Sep, priced at £308 found 2 days ago
Alaska Airlines
Sat, 13 Sep - Wed, 17 Sep
DCA
Washington
PDX
Portland
£315 Return, found 2 days ago
£315
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Washington to Portland, returning Wed, 17 Sep, priced at £315 found 2 days ago

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

February is typically the cheapest month to fly

From £103 - £292 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Portland route information
Origin airport
Ronald Reagan Washington National
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines
Return price
£218
Distance
3750 km
Average flight time
5 hours 48 mins

Compare flights from Washington to Portland easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Portland. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Portland Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Ronald Reagan Washington National to Portland Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Ronald Reagan Washington National (DCA) to Portland Intl. (PDX)

The easiest way to view the best deals on flights from Washington to Portland today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Ronald Reagan Washington National to Portland Intl. start at just £219 and range up to £315.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and Portland
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to Portland flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Ronald Reagan Washington National to Portland Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Ronald Reagan Washington National Airport (DCA) to PDX?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight from Ronald Reagan Washington National Airport (DCA) to PDX Airport was £219. Great fares don't stick around for long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ronald Reagan Washington National Airport (DCA) to Portland Intl. Airport (PDX)?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from National Airport to Portland Airport 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 Ronald Reagan Washington National Airport (DCA) to PDX Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Ronald Reagan Washington National Airport (DCA) to PDX Airport?
The flying distance between Ronald Reagan Washington National Airport (DCA) and Portland Intl. Airport (PDX) is 3,800 kilometres. Squeeze in a nap or get stuck into a book and the journey will zip by.
Which airlines fly direct from DCA to Portland Airport?
Flying nonstop from DCA to Portland Intl. Airport (PDX) is a cinch with Alaska Airlines (AS). This top carrier offers 30 flights every month.
Are Ronald Reagan Washington National Airport (DCA) to PDX Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Ronald Reagan Washington National Airport (DCA) to Portland Airport last minute could be your ticket to a fantastic deal. However, it might cost you a whole lot more! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

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£232.30

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