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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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DCA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 October, booked 83 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap 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 September 11, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$148
(Delta)

Popular in

June

Cheapest in

September

Average price

$259

Good round-trip deal

$268 or less

Good one-way deal

$197 or less
From Portland to Washington, D.C. Reagan-National
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One-way flight from Portland to Washington, D.C. Reagan-National
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Highest demand for flights based on searches. 7% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Portland to Washington, D.C. Reagan-National.
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Price to beat on a one-way flight from Portland to Washington, D.C. Reagan-National.
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Find 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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 10/246:00 amPWM - DCA
Nonstop1h 44mAmerican Airlines
Sun 10/2610:09 amDCA - PWM
Nonstop1h 45mAmerican Airlines
Deal found 9/10$189
This Delta deal was found by Cheapflights users on 9/9. 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 10/245:00 pmPWM - DCA
1 stop5h 51mDelta
Sat 10/253:05 pmDCA - PWM
2 stops9h 00mDelta
Deal found 9/9$190
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/26:00 amPWM - DCA
1 stop3h 58mUnited Airlines
Sat 10/47:29 pmDCA - PWM
1 stop3h 51mUnited Airlines
Deal found 9/11$192
This Delta deal was found by Cheapflights users on 9/11. 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 12/64:53 pmPWM - DCA
1 stop6h 06mDelta
Wed 12/109:40 amDCA - PWM
2 stops6h 26mDelta
Deal found 9/11$193
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/266:00 amPWM - DCA
Nonstop1h 44mAmerican Airlines
Tue 9/3010:04 pmDCA - PWM
Nonstop1h 41mAmerican Airlines
Deal found 9/9$194
This JetBlue deal was found by Cheapflights users on 9/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:17 pmPWM - DCA
1 stop5h 03mJetBlue
Tue 10/76:25 amDCA - PWM
1 stop6h 57mJetBlue
Deal found 9/11$197
This Delta deal was found by Cheapflights users on 9/10. 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 10/304:48 pmPWM - DCA
1 stop6h 11mDelta
Mon 11/35:00 pmDCA - PWM
1 stop7h 05mDelta
Deal found 9/10$198
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/266:00 amPWM - DCA
Nonstop1h 44mAmerican Airlines
Sun 9/2810:00 amDCA - PWM
Nonstop1h 44mAmerican Airlines
Deal found 9/10$199
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/307:00 amPWM - DCA
1 stop7h 57mAmerican Airlines
Mon 11/310:20 pmDCA - PWM
Nonstop1h 39mAmerican Airlines
Deal found 9/10$204
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/165:21 pmPWM - DCA
Nonstop1h 49mAmerican Airlines
Sat 10/187:45 pmDCA - PWM
Nonstop1h 36mAmerican Airlines
Deal found 9/10$205
This Delta deal was found by Cheapflights users on 9/11. 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 10/36:35 amPWM - DCA
1 stop3h 30mDelta
Mon 10/65:00 pmDCA - PWM
1 stop7h 05mDelta
Deal found 9/11$206

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 September 11, 2025.
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

Thu 10/16

8:00 am-12:19 pm

1 stop4h 19m

Washington, D.C. Reagan-National

Sat 10/18

7:29 pm-11:20 pm

1 stop3h 51m

$192

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 10/2

2:17 pm-7:20 pm

1 stop5h 03m

Washington, D.C. Reagan-National

Tue 10/7

5:20 pm-11:04 pm

1 stop5h 44m

$197

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 1/22

6:30 am-2:24 pm

2 stops7h 54m

Washington, D.C. Reagan-National

Sat 1/24

6:00 am-11:00 am

1 stop5h 00m

$197

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 1/8

6:00 am-4:32 pm

2 stops10h 32m

Washington, D.C. Reagan-National

Sat 1/10

3:05 pm-11:49 pm

2 stops8h 44m

$207

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Tue 11/11

4:53 pm-11:04 pm

1 stop6h 11m

Washington, D.C. Reagan-National

Tue 12/2

5:05 pm-11:59 pm

1 stop6h 54m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 9/26

6:00 am-9:51 am

1 stop3h 51m

Washington, D.C. Reagan-National

Sun 9/28

7:00 pm-11:13 pm

1 stop4h 13m

$219

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 12/6

2:34 pm-10:59 pm

2 stops8h 25m

Washington, D.C. Reagan-National

Wed 12/10

9:40 am-4:06 pm

2 stops6h 26m

$219

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 1/30

2:35 pm-10:56 pm

2 stops8h 21m

Washington, D.C. Reagan-National

Sun 2/1

3:05 pm-11:05 pm

2 stops8h 00m

$219

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 9/26

6:33 am-10:05 am

1 stop3h 32m

Washington, D.C. Reagan-National

Mon 9/29

5:50 pm-11:03 pm

1 stop5h 13m

$219

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 11/8

4:48 pm-10:59 pm

1 stop6h 11m

Washington, D.C. Reagan-National

Mon 11/10

7:20 pm-11:19 pm

1 stop3h 59m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 22 results
1
2
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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 August 29, 2025.

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 $278). Flying from Portland, Maine to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 September 11, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 5% on flights from Portland, Maine to Washington, D.C. Reagan-National Airport by exploring options for tickets at noon.

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 September 11, 2025.
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
8,937 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 4 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 4h 19m. United Airlines provides one of the quickest options available for as low as $192. 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 40% 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 Envoy Air (100%), Alaska Airlines (81%) or PSA Airlines (81%) 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 $548 for a flight from Portland, Maine to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $118 while the most popular route, (Portland - Washington, D.C. Reagan-National) is currently priced at $177.

  • 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 $278). Flying from Portland, Maine to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

Browse thousands of different options on Cheapflights for your next trip

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$309FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$208Average$339FlexibilityNo cancel feeOn-time69%

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