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Reagan-National

$148+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DCA
Jun 29 — Jul 61
Mon 6/29
Mon 7/6
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 May 30, 2026.

This American Airlines deal was found by Cheapflights users on 5/29. 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 6/195:38 am
PWM
-
DCA
Nonstop1h 56m
American Airlines
Tue 6/2310:20 pm
DCA
-
PWM
Nonstop1h 39m
American Airlines
Deal found 5/29$264
This Priceline deal was found by Cheapflights users on 5/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/102:40 pm
PWM
-
DCA
1 stop8h 19m
JetBlue
Sun 7/126:20 am
DCA
-
PWM
1 stop6h 10m
JetBlue
Deal found 5/27$268
This Delta deal was found by Cheapflights users on 5/28. 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.
Fri 7/176:25 am
PWM
-
DCA
1 stop6h 17m
Delta
Sun 7/197:40 pm
DCA
-
PWM
1 stop3h 50m
Delta
Deal found 5/28$269
This Priceline deal was found by Cheapflights users on 5/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/72:49 pm
PWM
-
DCA
1 stop8h 10m
JetBlue
Sun 8/96:20 am
DCA
-
PWM
1 stop5h 57m
JetBlue
Deal found 5/27$273
This Delta deal was found by Cheapflights users on 5/28. 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.
Tue 8/186:00 am
PWM
-
DCA
2 stops7h 55m
Delta
Sat 8/2212:00 pm
DCA
-
PWM
1 stop3h 58m
Delta
Deal found 5/28$274
This American Airlines deal was found by Cheapflights users on 5/26. 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.
Sat 10/35:30 am
PWM
-
DCA
Nonstop1h 45m
American Airlines
Sat 10/102:54 pm
DCA
-
PWM
Nonstop1h 42m
American Airlines
Deal found 5/26$277
This Expedia deal was found by Cheapflights users on 5/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:25 pm
PWM
-
DCA
2 stops8h 29m
JetBlue
Wed 6/246:15 am
DCA
-
PWM
1 stop7h 20m
JetBlue
Deal found 5/27$278
This American Airlines deal was found by Cheapflights users on 5/30. 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 6/125:17 pm
PWM
-
DCA
Nonstop1h 55m
American Airlines
Mon 6/1510:20 pm
DCA
-
PWM
Nonstop1h 39m
American Airlines
Deal found 5/30$279
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:25 am
PWM
-
DCA
1 stop3h 37m
Delta
Mon 6/157:40 pm
DCA
-
PWM
1 stop3h 49m
Delta
Deal found 5/25$284
This American Airlines deal was found by Cheapflights users on 5/29. 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 12/1612:36 pm
PWM
-
DCA
1 stop3h 28m
American Airlines
Sun 12/2010:08 pm
DCA
-
PWM
Nonstop1h 37m
American Airlines
Deal found 5/29$287
This Delta deal was found by Cheapflights users on 5/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/124:45 pm
PWM
-
DCA
1 stop6h 14m
Delta
Tue 6/162:45 pm
DCA
-
PWM
2 stops8h 44m
Delta
Deal found 5/26$289
This American Airlines deal was found by Cheapflights users on 5/29. 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 8/155:56 am
PWM
-
DCA
Nonstop1h 48m
American Airlines
Sun 8/1610:21 pm
DCA
-
PWM
Nonstop1h 38m
American Airlines
Deal found 5/29$294

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 May 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$264
(American Airlines)

One-way from

$148
(American Airlines)

Popular in

March

Cheapest in

September

Average price

$371

Good round-trip deal

$317 or less

Good one-way deal

$204 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. 16% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 30, 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

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 8/21

5:30 pm-10:59 pm

1 stop5h 29m

Washington, D.C. Reagan-National

Mon 8/24

9:12 am-4:50 pm

2 stops7h 38m

$274

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 7/23

6:00 am-2:02 pm

2 stops8h 02m

Washington, D.C. Reagan-National

Mon 7/27

6:20 am-10:21 am

1 stop4h 01m

$274

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 7/16

6:00 am-2:02 pm

2 stops8h 02m

Washington, D.C. Reagan-National

Mon 7/20

2:45 pm-12:59 am

2 stops10h 14m

$279

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 6/12

4:45 pm-10:59 pm

1 stop6h 14m

Washington, D.C. Reagan-National

Tue 6/16

8:15 am-12:32 pm

1 stop4h 17m

$284

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Mon 6/15

1:36 pm-12:38 pm

1 stop23h 02m

Washington, D.C. Reagan-National

Tue 6/16

2:40 pm-4:28 pm

Nonstop1h 48m

$300

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 10/1

11:35 am-6:47 pm

2 stops7h 12m

Washington, D.C. Reagan-National

Sun 10/4

5:00 pm-11:59 pm

1 stop6h 59m

$329

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 8/5

1:30 pm-6:59 pm

1 stop5h 29m

Washington, D.C. Reagan-National

Fri 8/7

10:12 pm-10:01 am

1 stop11h 49m

$341

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 8/5

6:00 am-1:55 pm

2 stops7h 55m

Washington, D.C. Reagan-National

Fri 8/7

2:45 pm-11:30 pm

2 stops8h 45m

$362

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 6/18

1:12 pm-6:58 pm

1 stop5h 46m

Washington, D.C. Reagan-National

Sun 6/21

7:40 pm-11:29 pm

1 stop3h 49m

$364
Quickest round-trip

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Tue 6/16

5:29 pm-10:55 pm

1 stop5h 26m

Washington, D.C. Reagan-National

Thu 6/18

6:20 am-10:22 am

1 stop4h 02m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 May.
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 May 30, 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 May 30, 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
9,766 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,766 reviews
United Airlines
7.4
Good
9,766 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,640 reviews
United Airlines
7.4
Good
9,766 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 5h 29m. Delta provides one of the quickest options available for as low as $274. Airlines will cover a distance of 481 mi.

  • 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 $249 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 Alaska Airlines (89%), American Airlines (79%) or PSA Airlines (74%) 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 $319 for a flight from Portland, Maine to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $153 while the most popular route, (Portland - Washington, D.C. Reagan-National) is currently priced at $268.

  • 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
Reston
Herndon
Fredericksburg
Rockville
Hyattsville
Manassas
Hanover
Laurel
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley
Woodbridge

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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 May 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$345FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$208Average$386FlexibilityNo cancel feeOn-time69%

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