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$148+ Cheap flights from Reagan-National (DCA) to Portland, ME (PWM)

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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — PWM
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Portland are usually found in January or February, booked 90 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from Reagan-National to Portland

Cheapest flights from Reagan-National to Portland
Explore the most affordable flight options available from Reagan-National to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.

This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:45 pm -
1 stop3h 48m
Fri 9/116:02 am -
1 stop4h 04m
Deal found 7/30$268
This Delta deal was found by Cheapflights users on 8/4. 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.
Mon 8/247:40 pm -
1 stop3h 50m
Thu 8/276:00 am -
1 stop4h 09m
Deal found 8/4$269
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:10 am -
1 stop5h 52m
Sat 8/224:59 pm -
1 stop4h 12m
Deal found 7/30$273
This Delta deal was found by Cheapflights users on 8/4. 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.
Mon 8/246:20 am -
1 stop4h 01m
Wed 8/266:00 am -
2 stops7h 55m
Deal found 8/4$274
This American Airlines deal was found by Cheapflights users on 8/1. 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 8/275:39 pm -
1 stop6h 02m
Mon 8/316:02 am -
Nonstop1h 48m
Deal found 8/1$279
This American Airlines deal was found by Cheapflights users on 8/1. 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 10/1610:05 pm -
Nonstop1h 41m
Tue 10/206:00 am -
Nonstop1h 50m
Deal found 8/1$280
This American Airlines deal was found by Cheapflights users on 7/31. 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 10/710:05 pm -
Nonstop1h 41m
Tue 10/136:00 am -
Nonstop1h 50m
Deal found 7/31$282
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 8/88:35 pm -
Nonstop1h 40m
Sat 8/226:02 am -
Nonstop1h 48m
Deal found 7/30$283
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/2510:18 pm -
Nonstop1h 41m
Mon 9/285:29 pm -
1 stop3h 59m
Deal found 7/30$284
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 10/42:40 pm -
Nonstop1h 44m
Mon 10/126:00 am -
Nonstop1h 50m
Deal found 7/30$285
This KAYAK deal was found by Cheapflights users on 8/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:05 pm -
1 stop6h 51m
Sat 10/36:00 am -
1 stop5h 26m
Deal found 8/3$287

Find flight deals from Reagan-National to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Portland (PWM). 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 August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Delta)

One-way from

$148
(Priceline)

Popular in

July

Cheapest in

January

Average price

$409

Good round-trip deal

$334 or less

Good one-way deal

$305 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Portland flights.
Search Deals
From Washington, D.C. Reagan-National to Portland
Search Deals
One-way flight from Washington, D.C. Reagan-National to Portland
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($78 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 August 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Portland.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Portland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Portland 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 August 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Mon 8/24

6:20 am-10:21 am

1 stop4h 01m

Portland

Wed 8/26

6:30 am-12:42 pm

1 stop6h 12m

$269

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Fri 10/23

2:00 pm-11:18 pm

2 stops9h 18m

Portland

Mon 10/26

4:15 pm-10:55 pm

1 stop6h 40m

$273

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Wed 8/26

2:45 pm-12:59 am

2 stops10h 14m

Portland

Sat 8/29

4:59 pm-9:11 pm

1 stop4h 12m

$274

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Mon 9/21

2:45 pm-11:17 pm

2 stops8h 32m

Portland

Tue 9/22

4:20 pm-10:59 pm

1 stop6h 39m

$274

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Fri 10/2

5:05 pm-11:56 pm

1 stop6h 51m

Portland

Sat 10/10

5:00 pm-8:48 pm

1 stop3h 48m

$300

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Mon 9/7

6:20 am-10:21 am

1 stop4h 01m

Portland

Fri 9/18

12:55 pm-6:37 pm

1 stop5h 42m

$305

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Sat 8/15

9:45 am-3:58 pm

1 stop6h 13m

Portland

Thu 8/20

11:01 am-6:43 pm

2 stops7h 42m

$314

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Wed 10/7

6:10 am-4:47 pm

2 stops10h 37m

Portland

Tue 10/13

4:47 pm-11:07 pm

1 stop6h 20m

$319
Quickest round-trip

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Sat 8/15

5:40 pm-9:33 pm

1 stop3h 53m

Portland

Fri 8/21

2:14 pm-7:34 pm

1 stop5h 20m

$339

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Sat 10/3

6:10 am-4:01 pm

2 stops9h 51m

Portland

Tue 10/6

6:04 am-12:59 pm

2 stops6h 55m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Showing 1-10 of 22 resultsSorted by cheapest first
1
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3

Compare providers for flights from Reagan-National to Portland

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 Reagan-National to Portland in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 Washington, D.C. Reagan-National Airport-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Portland, Maine 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 Washington, D.C. Reagan-National Airport-Portland, Maine 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 Reagan-National to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Reagan-National 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 Washington, D.C. Reagan-National Airport to Portland

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

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Reagan-National Airport to Portland, Maine. 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 Washington, D.C. Reagan-National Airport to Portland, Maine?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Portland, Maine (average of $249). Flying from Washington, D.C. Reagan-National Airport to Portland, Maine in July is currently the most expensive (average of $476). 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 DCA to PWM?

Find hourly flight availability from Reagan-National to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 4, 2026.

When flying from Washington, D.C. Reagan-National Airport to Portland, Maine, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 19% versus a flight at noon.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Portland, Maine?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Portland. Price data was last updated on August 1, 2026.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Portland, Maine flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

Airfare is below average for this route at the moment.

Washington, D.C. Reagan-National Airport to Portland, Maine flights typically cost between $320 and $521 in August.
The cheapest round-trip price found within the last 5 days was $269 on Delta (Aug 24-Aug 27).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated August 4, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Portland, 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
10,059 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
10,059 reviews
United Airlines
7.4
Good
10,059 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
American Airlines
7.1
Good
11,845 reviews
United Airlines
7.4
Good
10,059 reviews

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Portland. 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 into for flights to Portland from 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 Portland from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to Portland (PWM) should be relatively easy as there is 1 daily inbound flight from Washington, D.C. Reagan-National from 2 different airlines.

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

    There are many flights that can get you from Washington, D.C. Reagan-National Airport to Portland, Maine in 4h 01m. Fly via Delta to get the fastest option. The distance between Washington, D.C. Reagan-National Airport and Portland, Maine is about 481 mi.

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

    Our cheapest airline available from Washington, D.C. Reagan-National Airport to Portland, Maine is United Airlines. Our recent data shows that you can find tickets from as low as $208 on this airline. An additional option worth looking into is American Airlines, starting at $214. United Airlines is 42% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $129. JetBlue flights start at $131 while deals on Delta start at $151 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Reagan-National Airport to Portland, Maine on time: Republic Airways (61%), American Airlines (49%), PSA Airlines (34%).

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

    While on average a flight from Washington, D.C. Reagan-National Airport to Portland, Maine is generally $486, our data shows the cheapest flight currently is $180. When looking at the most popular route, (Washington, D.C. Reagan-National - Portland), you can expect to pay $237 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Portland 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 Washington, D.C. Reagan-National Airport to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Portland, Maine (average of $249). Flying from Washington, D.C. Reagan-National Airport to Portland, Maine in July is currently the most expensive (average of $476). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Lewiston
Brunswick
Conway

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Top 2 airlines flying from Reagan-National to Portland

Discover the top 2 airlines that operate flights from Reagan-National to Portland. 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 August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$208Average$375FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$214Average$381FlexibilityNo cancel feeOn-time71%

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