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Reagan-National

$138+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DCA
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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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 Tuesday

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 April 28, 2026.

This American Airlines deal was found by Cheapflights users on 4/26. 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 5/215:36 am
PWM
-
DCA
Nonstop2h 02m
American Airlines
Tue 5/2610:20 pm
DCA
-
PWM
Nonstop1h 39m
American Airlines
Deal found 4/26$249
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/215:36 am
PWM
-
DCA
Nonstop2h 02m
American Airlines
Sun 5/2410:20 pm
DCA
-
PWM
Nonstop1h 39m
American Airlines
Deal found 4/27$250
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 8/66:00 am
PWM
-
DCA
1 stop3h 32m
United Airlines
Tue 8/116:00 am
DCA
-
PWM
1 stop3h 22m
United Airlines
Deal found 4/23$252
This Delta deal was found by Cheapflights users on 4/23. 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 5/275:51 pm
PWM
-
DCA
1 stop5h 03m
Delta
Tue 6/212:27 pm
DCA
-
PWM
2 stops10h 51m
Delta
Deal found 4/23$254
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/2010:47 am
PWM
-
DCA
Nonstop1h 49m
American Airlines
Sat 5/235:26 pm
DCA
-
PWM
1 stop5h 18m
American Airlines
Deal found 4/23$255
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/225:17 pm
PWM
-
DCA
Nonstop1h 55m
American Airlines
Mon 5/2510:20 pm
DCA
-
PWM
Nonstop1h 39m
American Airlines
Deal found 4/27$264
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 5/206:00 am
PWM
-
DCA
1 stop4h 30m
United Airlines
Sun 5/245:57 pm
DCA
-
PWM
1 stop5h 33m
United Airlines
Deal found 4/23$265
This Priceline deal was found by Cheapflights users on 4/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/192:30 pm
PWM
-
DCA
1 stop8h 29m
JetBlue
Mon 6/226:15 am
DCA
-
PWM
1 stop7h 20m
JetBlue
Deal found 4/25$268
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:00 am
PWM
-
DCA
1 stop4h 23m
United Airlines
Tue 5/268:30 am
DCA
-
PWM
1 stop4h 55m
United Airlines
Deal found 4/27$269
This Delta deal was found by Cheapflights users on 4/23. 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.
Tue 6/26:25 am
PWM
-
DCA
2 stops7h 37m
Delta
Wed 6/176:20 am
DCA
-
PWM
1 stop4h 02m
Delta
Deal found 4/23$270
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 6/85:17 pm
PWM
-
DCA
Nonstop1h 55m
American Airlines
Mon 6/156:57 am
DCA
-
PWM
1 stop5h 42m
American Airlines
Deal found 4/27$274

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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$138
(Delta)

Popular in

March

Cheapest in

September

Average price

$407

Good round-trip deal

$343 or less

Good one-way deal

$190 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. 17% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 28, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 8/6

6:00 am-9:32 am

1 stop3h 32m

Washington, D.C. Reagan-National

Tue 8/11

6:00 am-9:22 am

1 stop3h 22m

$252

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 10/23

5:59 pm-10:54 pm

1 stop4h 55m

Washington, D.C. Reagan-National

Sat 10/31

6:00 am-11:53 am

1 stop5h 53m

$281

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Mon 6/8

6:25 am-10:02 am

1 stop3h 37m

Washington, D.C. Reagan-National

Mon 6/15

11:00 am-4:49 pm

1 stop5h 49m

$281

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 5/22

1:18 pm-6:59 pm

1 stop5h 41m

Washington, D.C. Reagan-National

Wed 5/27

12:27 pm-11:18 pm

2 stops10h 51m

$286

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 6/5

6:25 am-10:00 am

1 stop3h 35m

Washington, D.C. Reagan-National

Mon 6/15

2:45 pm-12:52 am

2 stops10h 07m

$286

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Tue 5/26

1:18 pm-6:59 pm

1 stop5h 41m

Washington, D.C. Reagan-National

Tue 6/2

12:27 pm-11:18 pm

2 stops10h 51m

$286

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 6/24

6:00 am-2:04 pm

2 stops8h 04m

Washington, D.C. Reagan-National

Tue 6/30

5:40 pm-11:00 pm

1 stop5h 20m

$286

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 7/11

6:00 am-10:09 am

1 stop4h 09m

Washington, D.C. Reagan-National

Wed 7/15

2:45 pm-12:59 am

2 stops10h 14m

$286

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Tue 5/26

1:18 pm-6:59 pm

1 stop5h 41m

Washington, D.C. Reagan-National

Thu 5/28

1:30 pm-5:11 pm

1 stop3h 41m

$311

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 6/18

6:25 am-2:04 pm

2 stops7h 39m

Washington, D.C. Reagan-National

Sun 6/21

7:40 pm-11:29 pm

1 stop3h 49m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 22 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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?

Booking 90 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, September is the cheapest month in which you can book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport (average of $258). Flying from Portland, Maine to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $447). 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 April 28, 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.

How much does it cost to fly round-trip from Portland, Maine to Washington, D.C. Reagan-National Airport?

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 April 28, 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
9,672 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,672 reviews
United Airlines
7.4
Good
9,672 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,677 reviews
United Airlines
7.4
Good
9,672 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 is 1 daily outbound flight 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 3h 32m. United Airlines provides one of the quickest options available for as low as $252. 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 $208 round trip. These flights start at 44% lower than the current average price 3 months from now.

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

    Consider Republic Airways (100%), Alaska Airlines (85%) or American Airlines (77%) 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 $336 for a flight from Portland, Maine to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $150 while the most popular route, (Portland - Washington, D.C. Reagan-National) is currently priced at $264.

  • 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, September is the cheapest month in which you can book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport (average of $258). Flying from Portland, Maine to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $447). 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
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Woodbridge
Hanover
Laurel
Largo
Upper Marlboro
Waldorf
Clinton
Hunt Valley
Cordova

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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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$338FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$208Average$355FlexibilityNo cancel feeOn-time69%

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