$115 Cheap Flights from Portland (PWM) to Washington (DCA)

View $115 flight on Tue, Oct 21, 2025Opens in a new window

Popular airlines from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA)

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Find available prices by choosing your travel dates.

Cheap Flights from Portland to Washington (PWM-DCA)

Prices were available within the past 7 days and start at $115 for one-way flights and $169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Jun 25 - Tue, Jul 1
PWM
Portland
DCA
Washington
$169 Roundtrip, found 1 hour ago
$169
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Jun 25 from Portland to Washington, returning Tue, Jul 1, priced at $169 found 1 hour ago
Delta
Wed, Jun 25 - Tue, Jul 1
PWM
Portland
DCA
Washington
$189 Roundtrip, found 1 hour ago
$189
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Jun 25 from Portland to Washington, returning Tue, Jul 1, priced at $189 found 1 hour ago
American Airlines
Sat, May 24 - Tue, May 27
PWM
Portland
DCA
Washington
$189 Roundtrip, found 5 days ago
$189
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 24 from Portland to Washington, returning Tue, May 27, priced at $189 found 5 days ago
United
Wed, Jun 25 - Tue, Jul 1
PWM
Portland
DCA
Washington
$194 Roundtrip, found 1 hour ago
$194
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jun 25 from Portland to Washington, returning Tue, Jul 1, priced at $194 found 1 hour ago
United
Thu, Aug 7 - Sun, Aug 10
PWM
Portland
DCA
Washington
$195 Roundtrip, found 1 day ago
$195
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 7 from Portland to Washington, returning Sun, Aug 10, priced at $195 found 1 day ago
United
Wed, Aug 13 - Wed, Aug 20
PWM
Portland
DCA
Washington
$209 Roundtrip, found 6 days ago
$209
Roundtrip
found 6 days ago
Select United flight, departing Wed, Aug 13 from Portland to Washington, returning Wed, Aug 20, priced at $209 found 6 days ago
JetBlue Airways
Wed, Jun 4 - Tue, Jun 24
PWM
Portland
DCA
Washington
$209 Roundtrip, found 2 hours ago
$209
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Wed, Jun 4 from Portland to Washington, returning Tue, Jun 24, priced at $209 found 2 hours ago
United
Tue, Aug 12 - Sun, Aug 17
PWM
Portland
DCA
Washington
$214 Roundtrip, found 6 days ago
$214
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 12 from Portland to Washington, returning Sun, Aug 17, priced at $214 found 6 days ago
American Airlines
Wed, Jun 18 - Sat, Jun 21
PWM
Portland
DCA
Washington
$214 Roundtrip, found 5 days ago
$214
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Jun 18 from Portland to Washington, returning Sat, Jun 21, priced at $214 found 5 days ago
Southwest Airlines
Fri, Jun 13 - Mon, Jun 16
PWM
Portland
DCA
Washington
$356 Roundtrip, found 5 hours ago
$356
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Fri, Jun 13 from Portland to Washington, returning Mon, Jun 16, priced at $356 found 5 hours ago
Flights from Portland (PWM) to Washington (DCA)
Origin airport
Portland Intl. Jetport
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$169
Distance
481 mi

Portland to Washington Flights

The cheapest times to fly from Portland to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Washington are during the month of June. You can find some of the cheapest flights from Portland to Washington with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Portland to Washington

Sunday is one of the best days to book for cheap flights from Portland to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Portland to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $115 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA) cost?
You can book cheap return fares starting from $169 from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving PWM on May 7 2025 and touching down at DCA. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from PWM to DCA?
The cheapest flights from PWM to DCA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA)?
Take a direct flight with American Airlines and fly straight from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA).
What is the cheapest airline that flies from PWM to DCA?
Fly from PWM to DCA with American Airlines. This airline currently has the cheapest one-way fare on this route, starting at $109. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PWM on June 4 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA)?
With, on average, 3 direct flights that operate from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA) every day, you’ll be taking off on vacation soon enough.
What are the most popular departure times for flights from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA)?
The 5 AM departures from PWM to DCA are the top choice for many travelers. They can also be more expensive. If you’re looking to save, book during off-peak hours.
What day of the week has the most flights from PWM to DCA?
Depart on a Friday if you’re searching for the biggest selection of flights from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA).
What is the earliest flight from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA)?
Portland Intl. Jetport Airport (PWM)’s earliest flight to Ronald Reagan Washington National Airport (DCA) takes off at approximately 5:24AM UTC-5. With a flight time of 2h 6m, you’ll arrive at around 7:30AM UTC-5.
How long does it take to fly from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA)?
It usually takes 2 hours and 5 minutes to travel the 480 mi from PWM to DCA.
What is the best time to fly from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA)?
To arrive at Ronald Reagan Washington National Airport (DCA) on schedule, pick a flight that leaves Portland Intl. Jetport Airport (PWM) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Washington from Portland Intl. Jetport Airport (PWM)?
Portland Intl. Jetport Airport (PWM) offers direct flights to Washington. These are some of the airports you can fly to without stops:

  • Ronald Reagan Washington National Airport (DCA)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)
  • Washington Dulles Intl. Airport (IAD)

Is it cheaper to buy a plane ticket from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA) last-minute?
Last-minute bookings from PWM to DCA are generally more expensive. To lock in the best prices, start searching for flights early. That said, if you’re flexible with your travel plans, you may find a cheap ticket right before you leave.
Is it cheaper to book a PWM to DCA flight and hotel package?
Compared with arranging flights and hotels separately, booking a PWM to DCA flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the hassle out of planning your trip. Simply secure your flights and choose from our wide range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Portland Intl. Jetport Airport (PWM) to Ronald Reagan Washington National Airport (DCA)?
In most instances, you can reschedule or cancel your PWM to DCA flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline’s fees and guidelines on flight changes, or if you want further details, head to our Customer Service portal.

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*Available to One Key members.