HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reagan-National

$124+ Cheap flights from Portland, ME (PWM) to Reagan-National (DCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DCA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Portland to Washington, D.C. Reagan-National are usually found in September or December, booked 82 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Portland to Reagan-National

Cheapest flights from Portland to Reagan-National
Explore the most affordable flight options available from Portland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:45 am
PWM
-
DCA
1 stop4h 41m
Delta
Mon 4/67:45 pm
DCA
-
PWM
1 stop3h 27m
Delta
Deal found 1/28$209
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2112:45 pm
PWM
-
DCA
1 stop5h 00m
Delta
Mon 3/22:32 pm
DCA
-
PWM
2 stops9h 46m
Delta
Deal found 1/28$214
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:30 am
PWM
-
DCA
2 stops7h 20m
Delta
Tue 3/32:32 pm
DCA
-
PWM
2 stops9h 46m
Delta
Deal found 1/27$220
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:00 am
PWM
-
DCA
1 stop6h 18m
United Airlines
Sun 3/87:00 am
DCA
-
PWM
1 stop3h 49m
United Airlines
Deal found 1/28$224
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:47 am
PWM
-
DCA
Nonstop1h 49m
American Airlines
Mon 5/47:45 pm
DCA
-
PWM
1 stop14h 09m
American Airlines
Deal found 1/27$227
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:29 am
PWM
-
DCA
Nonstop1h 56m
American Airlines
Mon 3/210:15 pm
DCA
-
PWM
Nonstop1h 35m
American Airlines
Deal found 1/28$233
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
PWM
-
DCA
Nonstop1h 50m
American Airlines
Sun 3/810:20 pm
DCA
-
PWM
Nonstop1h 35m
American Airlines
Deal found 1/27$234
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:00 am
PWM
-
DCA
Nonstop1h 50m
American Airlines
Tue 3/35:24 pm
DCA
-
PWM
1 stop5h 06m
American Airlines
Deal found 1/27$235
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:59 pm
PWM
-
DCA
Nonstop1h 52m
American Airlines
Sat 8/291:44 pm
DCA
-
PWM
1 stop3h 42m
American Airlines
Deal found 1/26$237
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1112:10 pm
PWM
-
DCA
1 stop4h 54m
Delta
Sun 2/155:10 pm
DCA
-
PWM
1 stop6h 10m
Delta
Deal found 1/27$239
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:40 pm
PWM
-
DCA
1 stop25h 15m
American Airlines
Wed 3/410:15 pm
DCA
-
PWM
Nonstop1h 35m
American Airlines
Deal found 1/27$241
This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/277:10 am
PWM
-
DCA
1 stop6h 49m
American Airlines
Tue 3/3110:20 pm
DCA
-
PWM
Nonstop1h 35m
American Airlines
Deal found 1/27$243

Find flight deals from Portland to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Delta)

One-way from

$124
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$303

Good round-trip deal

$288 or less

Good one-way deal

$164 or less
Provider with most accurate pricing for Portland-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Washington, D.C. Reagan-National flights.
Search Deals
From Portland to Washington, D.C. Reagan-National
Search Deals
One-way flight from Portland to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Portland to Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from Portland to Washington, D.C. Reagan-National.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Portland to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Portland

Fly to

Reagan-National

Route

Depart

Return

Price

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 5/13

4:50 pm-10:51 pm

1 stop6h 01m

Washington, D.C. Reagan-National

Sat 5/16

6:00 am-11:01 am

1 stop5h 01m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 7/4

6:00 am-12:19 pm

1 stop6h 19m

Washington, D.C. Reagan-National

Tue 7/7

4:00 pm-10:57 pm

1 stop6h 57m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 2/25

6:30 am-10:26 am

1 stop3h 56m

Washington, D.C. Reagan-National

Tue 3/3

6:00 am-11:18 am

1 stop5h 18m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 3/5

6:00 am-12:18 pm

1 stop6h 18m

Washington, D.C. Reagan-National

Mon 3/9

7:00 am-10:49 am

1 stop3h 49m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 4/2

5:48 pm-11:05 pm

1 stop5h 17m

Washington, D.C. Reagan-National

Sun 4/5

5:09 pm-11:59 pm

1 stop6h 50m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 4/2

6:25 am-10:20 am

1 stop3h 55m

Washington, D.C. Reagan-National

Sat 4/4

6:00 am-12:09 pm

1 stop6h 09m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 2/26

6:00 am-1:50 pm

2 stops7h 50m

Washington, D.C. Reagan-National

Sun 3/1

7:35 pm-11:20 pm

1 stop3h 45m

$214

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Tue 3/3

12:43 pm-6:48 pm

1 stop6h 05m

Washington, D.C. Reagan-National

Tue 3/10

12:29 pm-11:59 pm

2 stops11h 30m

$214

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 2/25

5:59 pm-11:07 pm

1 stop5h 08m

Washington, D.C. Reagan-National

Wed 3/4

2:32 pm-11:20 pm

2 stops8h 48m

$214

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 2/21

12:45 pm-5:45 pm

1 stop5h 00m

Washington, D.C. Reagan-National

Mon 2/23

2:32 pm-12:18 am

2 stops9h 46m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Portland to Reagan-National

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Reagan-National in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Washington, D.C. Reagan-National Airport

How far ahead should I book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Reagan-National. Price data was last updated on January 23, 2026.

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland, Maine to Washington, D.C. Reagan-National Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport (average of $117). Flying from Portland, Maine to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $150). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PWM to DCA?

Find hourly flight availability from Portland to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Washington, D.C. Reagan-National Airport as you normally would.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated January 29, 2026.
Read through reviews of airlines operating flights from Portland to Washington, D.C. Reagan-National Airport, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,205 reviews
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Portland to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Washington, D.C. Reagan-National?

    Located just 2.9 mi from the city center, Portland is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Portland. Booking flights from Portland (PWM) to Washington, D.C. Reagan-National should be relatively easy as there are 3 daily outbound flights to Washington, D.C. Reagan-National from 2 different airlines.

  • How long is the flight from Portland, Maine to Washington, D.C. Reagan-National Airport?

    A quick flight from Portland, Maine to Washington, D.C. Reagan-National Airport can take about 6h 01m. Delta provides one of the quickest options available for as low as $209. Airlines will cover a distance of 481 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Portland, Maine to Washington, D.C. Reagan-National Airport round-trip?

    Flying on American Airlines is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $189. Another option worth looking into is United Airlines, starting at $218 round trip. These flights start at 39% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Portland, Maine to Washington, D.C. Reagan-National Airport one-way?

    One-way options have recently been found by users for as low as $122 on American Airlines. Other airlines that offer cheap prices include United Airlines from $128 and Delta from $159 one-way.

  • What are the most reliable airlines from Portland, Maine to Washington, D.C. Reagan-National Airport?

    Consider Republic Airways (92%), PSA Airlines (91%) or American Airlines (80%) when booking your flight. These represent the most reliable airlines when flying from Portland, Maine to Washington, D.C. Reagan-National Airport.

  • What are the cheapest flights from Portland, Maine to Washington, D.C. Reagan-National Airport?

    On average you can expect to pay $557 for a flight from Portland, Maine to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $108 while the most popular route, (Portland - Washington, D.C. Reagan-National) is currently priced at $209.

  • Can I find deals for flights from Portland to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Portland to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Reagan-National.

  • Can I find deals for business class flights from Portland to Reagan-National?

    Yes. Cheapflights offers flight deals from Portland to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport (average of $117). Flying from Portland, Maine to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $150). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Portland to Reagan-National

Discover the top 2 airlines that operate flights from Portland to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$313FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$218Average$314FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.