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Cheap flights from Portland, Maine to Washington, D.C. from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Washington, D.C. departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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American Airlines Logo
5:21 pm - 7:15 pmPWM-DCA
1h 54mnonstop
American Airlines Logo
8:00 pm - 9:47 pmDCA-PWM
1h 47mnonstop
$194American Airlines
Find Deal
Fri, Nov 14 - Sat, Nov 15
American Airlines Logo
5:21 pm - 7:15 pmPWM-DCA
1h 54mnonstop
American Airlines Logo
10:20 pm - 11:59 pmDCA-PWM
1h 39mnonstop
$199American Airlines
Find Deal
Sat, Nov 8 - Sun, Nov 9
Delta Logo
4:53 pm - 11:08 pmPWM-DCA
6h 15m1 stop
Delta Logo
5:02 pm - 11:59 pmDCA-PWM
6h 57m1 stop
$209Delta
Find Deal
Thu, Dec 4 - Sun, Dec 7
Delta Logo
6:15 am - 2:26 pmPWM-DCA
8h 11m2 stops
Delta Logo
5:02 pm - 11:59 pmDCA-PWM
6h 57m1 stop
$214Delta
Find Deal
Thu, Dec 4 - Sun, Dec 7
American Airlines Logo
12:26 pm - 2:18 pmPWM-DCA
1h 52mnonstop
American Airlines Logo
10:07 pm - 11:41 pmDCA-PWM
1h 34mnonstop
$217American Airlines
Find Deal
Wed, Nov 19 - Wed, Nov 26
Delta Logo
6:00 am - 2:26 pmPWM-DCA
8h 26m2 stops
Delta Logo
9:40 am - 4:00 pmDCA-PWM
6h 20m2 stops
$219Delta
Find Deal
Thu, Dec 4 - Sat, Dec 6
American Airlines Logo
5:43 am - 7:38 amPWM-DCA
1h 55mnonstop
American Airlines Logo
10:07 pm - 11:41 pmDCA-PWM
1h 34mnonstop
$222American Airlines
Find Deal
Thu, Nov 27 - Mon, Dec 1
United Airlines Logo
6:10 am - 10:29 amPWM-DCA
4h 19m1 stop
United Airlines Logo
6:19 pm - 11:05 pmDCA-PWM
4h 46m1 stop
$269United Airlines
Find Deal
Fri, Nov 21 - Fri, Nov 28
United Airlines Logo
6:10 am - 10:29 amPWM-DCA
4h 19m1 stop
United Airlines Logo
6:05 pm - 11:17 pmDCA-PWM
5h 12m1 stop
$277United Airlines
Find Deal
Fri, Nov 21 - Sun, Nov 23
United Airlines Logo
6:10 am - 10:29 amPWM-DCA
4h 19m1 stop
United Airlines Logo
10:05 am - 1:36 pmDCA-PWM
3h 31m1 stop
$288United Airlines
Find Deal
Fri, Nov 21 - Mon, Nov 24

American Airlines flights from Portland, Maine to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Portland, Maine to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Nov 14
PWM5:21 pmPortland
1h 54m
DCA7:15 pmWashington, D.C. Reagan-National
Nov 15
DCA8:00 pmWashington, D.C. Reagan-National
1h 47m
PWM9:47 pmPortland
$194
Find similar
American Airlines
Nov 8
PWM5:21 pmPortland
1h 54m
DCA7:15 pmWashington, D.C. Reagan-National
Nov 9
DCA10:20 pmWashington, D.C. Reagan-National
1h 39m
PWM11:59 pmPortland
$199
Find similar
American Airlines
Nov 19
PWM12:26 pmPortland
1h 52m
DCA2:18 pmWashington, D.C. Reagan-National
Nov 26
DCA10:07 pmWashington, D.C. Reagan-National
1h 34m
PWM11:41 pmPortland
$217
Find similar

Delta flights from Portland, Maine to Washington, D.C. Reagan-National Airport

Our best Delta deals on Portland, Maine to Washington, D.C. Reagan-National Airport flight tickets
Delta
Dec 4
PWM4:53 pmPortland
6h 15m
1 stop
DCA11:08 pmWashington, D.C. Reagan-National
Dec 7
DCA5:02 pmWashington, D.C. Reagan-National
6h 57m
1 stop
PWM11:59 pmPortland
$209
Find similar
Delta
Dec 4
PWM6:15 amPortland
8h 11m
2 stops
DCA2:26 pmWashington, D.C. Reagan-National
Dec 7
DCA5:02 pmWashington, D.C. Reagan-National
6h 57m
1 stop
PWM11:59 pmPortland
$214
Find similar
Delta
Dec 4
PWM6:00 amPortland
8h 26m
2 stops
DCA2:26 pmWashington, D.C. Reagan-National
Dec 6
DCA9:40 amWashington, D.C. Reagan-National
6h 20m
2 stops
PWM4:00 pmPortland
$219
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Portland, Maine to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 11/14

5:21 pm-7:15 pm

Nonstop1h 54m

Washington, D.C. Reagan-National

Sat 11/15

8:00 pm-9:47 pm

Nonstop1h 47m

$194

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 11/8

5:21 pm-7:15 pm

Nonstop1h 54m

Washington, D.C. Reagan-National

Sun 11/9

10:20 pm-11:59 pm

Nonstop1h 39m

$199

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 12/4

4:53 pm-11:08 pm

1 stop6h 15m

Washington, D.C. Reagan-National

Sun 12/7

5:02 pm-11:59 pm

1 stop6h 57m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 12/4

6:15 am-2:26 pm

2 stops8h 11m

Washington, D.C. Reagan-National

Sun 12/7

5:02 pm-11:59 pm

1 stop6h 57m

$214

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 11/19

12:26 pm-2:18 pm

Nonstop1h 52m

Washington, D.C. Reagan-National

Wed 11/26

10:07 pm-11:41 pm

Nonstop1h 34m

$217

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 12/4

6:00 am-2:26 pm

2 stops8h 26m

Washington, D.C. Reagan-National

Sat 12/6

9:40 am-4:00 pm

2 stops6h 20m

$219

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 11/27

5:43 am-7:38 am

Nonstop1h 55m

Washington, D.C. Reagan-National

Mon 12/1

10:07 pm-11:41 pm

Nonstop1h 34m

$222

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 11/21

6:10 am-10:29 am

1 stop4h 19m

Washington, D.C. Reagan-National

Fri 11/28

6:19 pm-11:05 pm

1 stop4h 46m

$269

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 11/21

6:10 am-10:29 am

1 stop4h 19m

Washington, D.C. Reagan-National

Sun 11/23

6:05 pm-11:17 pm

1 stop5h 12m

$277

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 11/21

6:10 am-10:29 am

1 stop4h 19m

Washington, D.C. Reagan-National

Mon 11/24

10:05 am-1:36 pm

1 stop3h 31m

$288

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Portland, Maine to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of September is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Portland, Maine, with most prices found around $258. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $280.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Portland, Maine to Washington, D.C. Reagan-National Airport is on a Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $341. Flights from Portland, Maine to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $455. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Portland, Maine to Washington, D.C. Reagan-National Airport flights are usually those with departure times at noon. Our users have found flights to Washington, D.C. Reagan-National Airport at noon for as low as $361. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the morning when prices are around $370.

What is the cheapest Portland to Washington, D.C. Reagan-National flight route?

Fly from Portland to Washington, D.C. Reagan-National for the best Portland - Washington, D.C. Reagan-National flight prices

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $316 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Portland, Maine for as low as $199 on momondo.

What cabin class options are available on Portland to Washington, D.C. Reagan-National flights?

There are 3 cabin classes available to choose from on Portland to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Portland, Maine to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of October 2025, prices for Portland, Maine to Washington, D.C. Reagan-National Airport flights are approximately 19% more expensive when compared to flights at the same time last year.

When to book flights from Portland, Maine to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to Washington, D.C. Reagan-National Airport (PWM to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Washington, D.C. Reagan-National Airport

Best Price Found

$169

Fastest flight time

1h 49m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Portland, Maine in the past 72 hours is $169. The best round-trip flight deal from Portland, Maine to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $272.
The fastest flight from Portland, Maine to Washington, D.C. Reagan-National Airport takes 1h 49m
Direct flights go from Portland, Maine to Washington, D.C. Reagan-National Airport every day.
Search flight deals

  • How far is Portland to Washington, D.C. Reagan-National by plane?

    There are 483.6 mi between Portland and Washington, D.C. Reagan-National. In terms of flight time, this usually takes a little over 1h 49m.

  • When did momondo last update prices for flights from Portland Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Portland Airport to Washington, D.C. Reagan-National Airport are updated daily.

  • How many operators does momondo search for flights from Portland Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Portland Airport to Washington, D.C. Reagan-National Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Portland, Maine to Washington, D.C. Reagan-National Airport?

  • What is the most popular airline from Portland, Maine to Washington, D.C. Reagan-National Airport?

Best airlines flying from Portland, Maine to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Portland, Maine to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $189Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights

  • American Airlines Flights From Portland, Maine to Washington, D.C. Reagan-National Airport

    American Airlines operates around 25 flights from Portland, Maine to Washington, D.C. Reagan-National Airport every week. The average price of these flights found in the last 72 hours has been $312, but momondo users have found American Airlines deals from Portland, Maine to Washington, D.C. Reagan-National Airport from as low as $189 round-trip. American Airlines has been scored 7.2/10 in 11,030 reviews.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Portland to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Portland with this policy.

How can momondo help me find flights from Portland to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Washington, D.C..

I’m not ready to book a flight from Portland to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Portland to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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