CA $226 Cheap Flights from Portland (PDX) to Washington (DCA)

View CA $226 flight on Sat, May 30, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $226 for one-way flights and CA $365 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, May 30 - Wed, Jun 3
PDX
Portland
DCA
Washington
CA $365 Roundtrip, found 5 days ago
CA $365
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 30 from Portland to Washington, returning Wed, Jun 3, priced at CA $365 found 5 days ago
American Airlines
Sat, May 30 - Wed, Jun 3
PDX
Portland
DCA
Washington
CA $366 Roundtrip, found 5 days ago
CA $366
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 30 from Portland to Washington, returning Wed, Jun 3, priced at CA $366 found 5 days ago
American Airlines
Sat, May 30 - Wed, Jun 3
PDX
Portland
DCA
Washington
CA $408 Roundtrip, found 5 days ago
CA $408
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 30 from Portland to Washington, returning Wed, Jun 3, priced at CA $408 found 5 days ago
American Airlines
Sat, May 30 - Wed, Jun 3
PDX
Portland
DCA
Washington
CA $411 Roundtrip, found 5 days ago
CA $411
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 30 from Portland to Washington, returning Wed, Jun 3, priced at CA $411 found 5 days ago
American Airlines
Sat, May 30 - Wed, Jun 3
PDX
Portland
DCA
Washington
CA $418 Roundtrip, found 5 days ago
CA $418
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 30 from Portland to Washington, returning Wed, Jun 3, priced at CA $418 found 5 days ago
American Airlines
Sat, May 30 - Wed, Jun 3
PDX
Portland
DCA
Washington
CA $447 Roundtrip, found 5 days ago
CA $447
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 30 from Portland to Washington, returning Wed, Jun 3, priced at CA $447 found 5 days ago
Delta
Tue, Jul 14 - Mon, Jul 27
PDX
Portland
DCA
Washington
CA $459 Roundtrip, found 4 days ago
CA $459
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jul 14 from Portland to Washington, returning Mon, Jul 27, priced at CA $459 found 4 days ago
Alaska Airlines
Thu, Jul 16 - Mon, Jul 27
PDX
Portland
DCA
Washington
CA $624 Roundtrip, found 4 days ago
CA $624
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Jul 16 from Portland to Washington, returning Mon, Jul 27, priced at CA $624 found 4 days ago
United
Mon, Jul 13 - Fri, Jul 24
PDX
Portland
DCA
Washington
CA $801 Roundtrip, found 4 days ago
CA $801
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jul 13 from Portland to Washington, returning Fri, Jul 24, priced at CA $801 found 4 days ago
JetBlue Airways
Sat, May 30 - Wed, Jun 3
PDX
Portland
DCA
Washington
CA $822 Roundtrip, found 5 days ago
CA $822
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Sat, May 30 from Portland to Washington, returning Wed, Jun 3, priced at CA $822 found 5 days ago

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

April is typically the cheapest month to fly

From CA $316 - CA $943 per traveller.

Frequently asked questions

What is the cheapest month to fly from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
January is typically the cheapest month to fly from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), with average round-trip fares around 938 CAD. This is about 16% lower than the average price throughout the year. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. February and September are also good months to find deals on this route.
How do I find cheap flights from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
To find a cheap flight from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The best airline to fly with from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) will differ from traveler to traveler. If you like to fly early, AS offers early morning flights. If price is the most important factor, AS typically offers the lowest fares. AA offers the most daily flights from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
When looking for the best time to fly from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), it's all about balancing price and availability. Based on booking data from the past year, you'll find the cheapest flights in January and September, with average prices around 938 CAD for a round-trip. While August is the most popular month for travel, offering plenty of flight options, it's not the cheapest. If you're aiming for the best value, consider traveling in January or September to save on your fare.
How many flights per day from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
There are approximately 63 connecting flights per day from Portland Intl. (PDX) to Ronald Reagan Washington National (DCA). Some common connection points include O'Hare Intl. (ORD), Dallas-Fort Worth Intl. (DFW), and Seattle - Tacoma Intl. (SEA).
What is the earliest flight from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The earliest flight from Portland, OR (PDX-Portland Intl.) (PDX) to Washington, DC (DCA-Ronald Reagan Washington National) (DCA) typically departs at approximately 12:05 AM local time. This service is operated by American Airlines and is seasonal, active in June and July. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
You'll typically find the most flights from Portland International Airport (PDX) to Ronald Reagan Washington National (DCA) on a Thursday, with around 48 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, United Airlines, and American Airlines. Flight schedules are fairly consistent throughout the week, with Thursday having only slightly more flights than other days.
What are the most popular departure times for flights from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The most popular departure times for flights from Portland Intl. (PDX) to Ronald Reagan Washington National (DCA) are in the early morning, from 6am to 9am. This accounts for around 36% of total traffic. Many major carriers, including Alaska Airlines, American Airlines and United Airlines, offer flights during this window. Many travelers prefer these early morning flights to arrive at their destination with plenty of time to spare for business or leisure activities.
How long does it take to fly from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Flying nonstop from PDX to DCA takes around 5 hours, with the route covering approximately 2,344 miles. Flights with a layover typically take 4 hours longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Select the "Business class" and "First class" filters when looking for PDX to DCA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight with Expedia?
It's easy to earn miles on a Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Portland Intl. (PDX)?
When traveling from Portland Intl. (PDX) to Washington, you can fly into Washington Dulles Intl. (IAD) and Ronald Reagan Washington National (DCA). Some flights may connect through major hubs like San Francisco Intl. (SFO), Spokane Intl. (GEG), BOI (BOI) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) at the last minute?
Typically, booking a last minute flight from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package?
Securing a Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
If you booked your Portland, OR (PDX-Portland Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Ronald Reagan Washington National
Roundtrip price
CA $364
Distance
3750 km
Average flight time
5 hours 11 mins

Book with confidence

Portland to Washington 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 nonstop flights to Ronald Reagan Washington National, 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 Ronald Reagan Washington National, DCA 

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 $365 rising to CA $822.  

Here are more money-saving tips: 

  • Fly in May 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.

Portland to Washington Flights

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