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Reagan-National

$149+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DCA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Washington, D.C. Reagan-National are usually found in October or September, booked 71 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 17, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$149
(American Airlines)

Popular in

June

Cheapest in

October

Average price

$287

Good round-trip deal

$260 or less

Good one-way deal

$180 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 ($24 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 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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 10/316:00 amPWM - DCA
Nonstop1h 44mAmerican Airlines
Sun 11/210:00 amDCA - PWM
Nonstop1h 46mAmerican Airlines
Deal found 9/15$189
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/2312:34 pmPWM - DCA
Nonstop1h 50mAmerican Airlines
Sun 10/2610:11 pmDCA - PWM
Nonstop1h 40mAmerican Airlines
Deal found 9/16$190
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/12:02 pmPWM - DCA
Nonstop1h 57mAmerican Airlines
Mon 10/1310:11 pmDCA - PWM
Nonstop1h 40mAmerican Airlines
Deal found 9/15$194
This JetBlue deal was found by Cheapflights users on 9/17. 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 10/92:17 pmPWM - DCA
1 stop5h 03mJetBlue
Sun 10/126:25 amDCA - PWM
1 stop6h 57mJetBlue
Deal found 9/17$197
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/36:00 amPWM - DCA
Nonstop1h 44mAmerican Airlines
Sun 10/510:04 pmDCA - PWM
Nonstop1h 41mAmerican Airlines
Deal found 9/15$199
This Delta deal was found by Cheapflights users on 9/16. 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 10/315:00 pmPWM - DCA
1 stop5h 51mDelta
Sun 11/27:00 amDCA - PWM
1 stop5h 32mDelta
Deal found 9/16$209
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/227:00 amPWM - DCA
1 stop7h 57mAmerican Airlines
Sat 10/2512:35 pmDCA - PWM
Nonstop1h 35mAmerican Airlines
Deal found 9/15$211
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/412:27 pmPWM - DCA
Nonstop1h 44mAmerican Airlines
Sat 10/43:59 pmDCA - PWM
1 stop20h 32mAmerican Airlines
Deal found 9/17$212
This Delta deal was found by Cheapflights users on 9/16. 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 10/315:00 pmPWM - DCA
1 stop5h 51mDelta
Tue 11/43:05 pmDCA - PWM
2 stops8h 04mDelta
Deal found 9/16$214
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/96:00 amPWM - DCA
Nonstop1h 44mAmerican Airlines
Sun 10/1210:09 amDCA - PWM
Nonstop1h 45mAmerican Airlines
Deal found 9/15$219

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 17, 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

Sat 11/8

12:00 pm-6:39 pm

1 stop6h 39m

Washington, D.C. Reagan-National

Tue 11/11

5:03 pm-11:54 pm

1 stop6h 51m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 11/7

6:00 am-11:25 am

1 stop5h 25m

Washington, D.C. Reagan-National

Sat 11/8

4:30 pm-11:17 pm

1 stop6h 47m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 10/31

5:00 pm-10:51 pm

1 stop5h 51m

Washington, D.C. Reagan-National

Sat 11/1

7:30 am-11:20 am

1 stop3h 50m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 10/31

5:00 pm-10:51 pm

1 stop5h 51m

Washington, D.C. Reagan-National

Mon 11/3

6:00 am-12:00 pm

1 stop6h 00m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 11/8

4:48 pm-10:59 pm

1 stop6h 11m

Washington, D.C. Reagan-National

Sun 11/9

5:03 pm-11:54 pm

1 stop6h 51m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 10/31

5:00 pm-10:51 pm

1 stop5h 51m

Washington, D.C. Reagan-National

Sun 11/2

5:00 am-11:05 am

1 stop6h 05m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 11/8

6:00 am-12:34 pm

1 stop6h 34m

Washington, D.C. Reagan-National

Tue 11/11

4:30 pm-11:17 pm

1 stop6h 47m

$214

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 10/3

8:00 am-12:19 pm

1 stop4h 19m

Washington, D.C. Reagan-National

Sat 10/4

4:42 pm-11:20 pm

1 stop6h 38m

$219

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Tue 12/16

12:23 pm-2:24 pm

Nonstop2h 01m

$149

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 11/14

4:53 pm-11:04 pm

1 stop6h 11m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 18 results
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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 September 12, 2025.

Booking 71 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 17, 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 17, 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
8,926 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

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
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

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
8,926 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

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 5h 25m. 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 $208 round trip. These flights start at 40% 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 $149 on American Airlines. Other airlines that offer cheap prices include Delta from $151 and United Airlines from $151 one-way.

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

    Consider PSA Airlines (72%), American Airlines (66%) or Alaska Airlines (63%) 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 $349 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 $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 $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
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$312FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$208Average$339FlexibilityNo cancel feeOn-time69%

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