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Cheap flights from Portland, Maine to Washington, D.C. from $149

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 11/12. 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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Find the cheapest flights from Portland, Maine to Washington, D.C.

Cheap round-trip flights

American Airlines Logo
6:00 am - 7:44 amPWM-DCA
1h 44mnonstop
American Airlines Logo
10:00 am - 11:46 amDCA-PWM
1h 46mnonstop
$189American Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
American Airlines Logo
12:34 pm - 2:24 pmPWM-DCA
1h 50mnonstop
American Airlines Logo
10:11 pm - 11:51 pmDCA-PWM
1h 40mnonstop
$190American Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
American Airlines Logo
2:02 pm - 3:59 pmPWM-DCA
1h 57mnonstop
American Airlines Logo
10:11 pm - 11:51 pmDCA-PWM
1h 40mnonstop
$194American Airlines
Find Deal
Wed, Oct 1 - Mon, Oct 13
American Airlines Logo
6:00 am - 7:44 amPWM-DCA
1h 44mnonstop
American Airlines Logo
10:04 pm - 11:45 pmDCA-PWM
1h 41mnonstop
$199American Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 5
Delta Logo
5:00 pm - 10:51 pmPWM-DCA
5h 51m1 stop
Delta Logo
5:00 pm - 12:05 amDCA-PWM
7h 05m1 stop
$209Delta
Find Deal
Fri, Oct 31 - Sat, Nov 1
Delta Logo
5:00 pm - 10:51 pmPWM-DCA
5h 51m1 stop
Delta Logo
3:05 pm - 12:05 amDCA-PWM
9h 00m2 stops
$214Delta
Find Deal
Fri, Oct 31 - Sat, Nov 1
JetBlue Logo
2:17 pm - 7:20 pmPWM-DCA
5h 03m1 stop
JetBlue Logo
6:25 am - 1:22 pmDCA-PWM
6h 57m1 stop
$243JetBlue
Find Deal
Fri, Oct 3 - Sun, Oct 5
JetBlue Logo
2:17 pm - 7:22 pmPWM-DCA
5h 05m1 stop
JetBlue Logo
5:20 pm - 11:04 pmDCA-PWM
5h 44m1 stop
$250JetBlue
Find Deal
Tue, Oct 7 - Tue, Oct 14
United Airlines Logo
6:00 am - 11:25 amPWM-DCA
5h 25m1 stop
United Airlines Logo
1:15 pm - 5:48 pmDCA-PWM
4h 33m1 stop
$266United Airlines
Find Deal
Mon, Nov 3 - Tue, Nov 4
United Airlines Logo
6:00 am - 9:58 amPWM-DCA
3h 58m1 stop
United Airlines Logo
5:15 pm - 11:13 pmDCA-PWM
5h 58m1 stop
$271United Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13

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

Our best JetBlue deals on Portland, Maine to Washington, D.C. Reagan-National Airport flight tickets
JetBlue
Oct 3
PWM2:17 pmPortland
5h 03m
1 stop
DCA7:20 pmWashington, D.C. Reagan-National
Oct 5
DCA6:25 amWashington, D.C. Reagan-National
6h 57m
1 stop
PWM1:22 pmPortland
$243
Find similar
JetBlue
Oct 7
PWM2:17 pmPortland
5h 05m
1 stop
DCA7:22 pmWashington, D.C. Reagan-National
Oct 14
DCA5:20 pmWashington, D.C. Reagan-National
5h 44m
1 stop
PWM11:04 pmPortland
$250
Find similar
JetBlue
Sep 30
PWM2:17 pmPortland
5h 05m
1 stop
DCA7:22 pmWashington, D.C. Reagan-National
Oct 1
DCA5:20 pmWashington, D.C. Reagan-National
4h 46m
1 stop
PWM10:06 pmPortland
$258
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
Oct 31
PWM5:00 pmPortland
5h 51m
1 stop
DCA10:51 pmWashington, D.C. Reagan-National
Nov 1
DCA5:00 pmWashington, D.C. Reagan-National
7h 05m
1 stop
PWM12:05 amPortland
$209
Find similar
Delta
Oct 31
PWM5:00 pmPortland
5h 51m
1 stop
DCA10:51 pmWashington, D.C. Reagan-National
Nov 1
DCA3:05 pmWashington, D.C. Reagan-National
9h 00m
2 stops
PWM12:05 amPortland
$214
Find similar
Delta
Dec 23
PWM7:00 amPortland
6h 43m
1 stop
DCA1:43 pmWashington, D.C. Reagan-National
Dec 31
DCA7:00 amWashington, D.C. Reagan-National
5h 21m
1 stop
PWM12:21 pmPortland
$239
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 September 17, 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 10/31

6:00 am-7:44 am

Nonstop1h 44m

Washington, D.C. Reagan-National

Sun 11/2

10:00 am-11:46 am

Nonstop1h 46m

$189

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 10/23

12:34 pm-2:24 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Sun 10/26

10:11 pm-11:51 pm

Nonstop1h 40m

$190

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 10/1

2:02 pm-3:59 pm

Nonstop1h 57m

Washington, D.C. Reagan-National

Mon 10/13

10:11 pm-11:51 pm

Nonstop1h 40m

$194

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 10/3

6:00 am-7:44 am

Nonstop1h 44m

Washington, D.C. Reagan-National

Sun 10/5

10:04 pm-11:45 pm

Nonstop1h 41m

$199

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

5:00 pm-12:05 am

1 stop7h 05m

$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

3:05 pm-12:05 am

2 stops9h 00m

$214

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 10/3

2:17 pm-7:20 pm

1 stop5h 03m

Washington, D.C. Reagan-National

Sun 10/5

6:25 am-1:22 pm

1 stop6h 57m

$243

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Tue 10/7

2:17 pm-7:22 pm

1 stop5h 05m

Washington, D.C. Reagan-National

Tue 10/14

5:20 pm-11:04 pm

1 stop5h 44m

$250

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Mon 11/3

6:00 am-11:25 am

1 stop5h 25m

Washington, D.C. Reagan-National

Tue 11/4

1:15 pm-5:48 pm

1 stop4h 33m

$266

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 10/9

6:00 am-9:58 am

1 stop3h 58m

Washington, D.C. Reagan-National

Mon 10/13

5:15 pm-11:13 pm

1 stop5h 58m

$271

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 October is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Portland, Maine, with most prices found around $274. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $287.

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 Friday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Friday will often find tickets for as low as $347. Flights from Portland, Maine to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $448. 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 $358. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the afternoon when prices are around $374.

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 $317 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 September 2025, prices for Portland, Maine to Washington, D.C. Reagan-National Airport flights are approximately 60% 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

$180

Fastest flight time

1h 44m

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 $180. 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 $260.
The fastest flight from Portland, Maine to Washington, D.C. Reagan-National Airport takes 1h 44m
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 44m.

  • 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
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

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

    American Airlines operates around 24 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 10,000 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
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
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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