Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland, Maine to Washington, D.C. from $157

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 6/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:24 pm - 9:59 pm
PWM
-
DCA
7h 35m
1 stop
American Airlines Logo
10:20 pm - 11:59 pm
DCA
-
PWM
1h 39mnonstop
$259American Airlines
Fri, Jun 12 - Mon, Jun 15
American Airlines Logo
5:04 pm - 6:59 pm
PWM
-
DCA
1h 55mnonstop
American Airlines Logo
8:00 am - 9:38 am
DCA
-
PWM
1h 38mnonstop
$264American Airlines
Thu, Jun 25 - Sun, Jun 28
JetBlue Logo
2:40 pm - 10:59 pm
PWM
-
DCA
8h 19m
1 stop
JetBlue Logo
6:21 am - 1:45 pm
DCA
-
PWM
7h 24m
1 stop
$268JetBlue
Wed, Jul 8 - Mon, Jul 13
Delta Logo
1:12 pm - 6:58 pm
PWM
-
DCA
5h 46m
1 stop
Delta Logo
7:40 pm - 11:29 pm
DCA
-
PWM
3h 49m
1 stop
$269Delta
Fri, Jun 12 - Mon, Jun 15
JetBlue Logo
2:40 pm - 10:59 pm
PWM
-
DCA
8h 19m
1 stop
JetBlue Logo
6:20 am - 12:21 pm
DCA
-
PWM
6h 01m
1 stop
$273JetBlue
Thu, Aug 20 - Sun, Aug 23
Delta Logo
6:00 am - 5:05 pm
PWM
-
DCA
11h 05m
2 stops
Delta Logo
7:40 pm - 11:30 pm
DCA
-
PWM
3h 50m
1 stop
$274Delta
Sat, Jul 11 - Mon, Jul 13
American Airlines Logo
5:17 pm - 7:12 pm
PWM
-
DCA
1h 55mnonstop
American Airlines Logo
8:45 pm - 10:29 pm
DCA
-
PWM
1h 44mnonstop
$277American Airlines
Thu, Jun 18 - Sat, Jun 20
JetBlue Logo
2:49 pm - 10:59 pm
PWM
-
DCA
8h 10m
1 stop
JetBlue Logo
6:20 am - 12:21 pm
DCA
-
PWM
6h 01m
1 stop
$278JetBlue
Fri, Aug 21 - Sun, Aug 23
American Airlines Logo
5:17 pm - 7:12 pm
PWM
-
DCA
1h 55mnonstop
American Airlines Logo
2:54 pm - 4:37 pm
DCA
-
PWM
1h 43mnonstop
$279American Airlines
Fri, May 29 - Mon, Jun 1
Delta Logo
6:00 am - 12:46 pm
PWM
-
DCA
6h 46m
1 stop
Delta Logo
5:25 pm - 9:35 pm
DCA
-
PWM
4h 10m
1 stop
$281Delta
Thu, Jun 18 - Sat, Jun 20

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
Jul 8
PWM2:40 pmPortland
8h 19m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
Jul 13
DCA6:21 amWashington, D.C. Reagan-National
7h 24m
1 stop
PWM1:45 pmPortland
$268
JetBlue
Aug 20
PWM2:40 pmPortland
8h 19m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
Aug 23
DCA6:20 amWashington, D.C. Reagan-National
6h 01m
1 stop
PWM12:21 pmPortland
$273
JetBlue
Aug 21
PWM2:49 pmPortland
8h 10m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
Aug 23
DCA6:20 amWashington, D.C. Reagan-National
6h 01m
1 stop
PWM12:21 pmPortland
$278

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
Jun 12
PWM1:12 pmPortland
5h 46m
1 stop
DCA6:58 pmWashington, D.C. Reagan-National
Jun 15
DCA7:40 pmWashington, D.C. Reagan-National
3h 49m
1 stop
PWM11:29 pmPortland
$269
Delta
Jul 11
PWM6:00 amPortland
11h 05m
2 stops
DCA5:05 pmWashington, D.C. Reagan-National
Jul 13
DCA7:40 pmWashington, D.C. Reagan-National
3h 50m
1 stop
PWM11:30 pmPortland
$274
Delta
Jun 8
PWM6:25 amPortland
3h 37m
1 stop
DCA10:02 amWashington, D.C. Reagan-National
Jun 15
DCA6:20 amWashington, D.C. Reagan-National
4h 02m
1 stop
PWM10:22 amPortland
$281

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 May 15, 2026.
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

Cheapest round-trip

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 6/12

2:24 pm-9:59 pm

1 stop7h 35m

Washington, D.C. Reagan-National

Mon 6/15

10:20 pm-11:59 pm

Nonstop1h 39m

$259
Quickest round-trip

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 6/25

5:04 pm-6:59 pm

Nonstop1h 55m

Washington, D.C. Reagan-National

Sun 6/28

8:00 am-9:38 am

Nonstop1h 38m

$264

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 7/8

2:40 pm-10:59 pm

1 stop8h 19m

Washington, D.C. Reagan-National

Mon 7/13

6:21 am-1:45 pm

1 stop7h 24m

$268

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 6/12

1:12 pm-6:58 pm

1 stop5h 46m

Washington, D.C. Reagan-National

Mon 6/15

7:40 pm-11:29 pm

1 stop3h 49m

$269

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 8/20

2:40 pm-10:59 pm

1 stop8h 19m

Washington, D.C. Reagan-National

Sun 8/23

6:20 am-12:21 pm

1 stop6h 01m

$273

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 7/11

6:00 am-5:05 pm

2 stops11h 05m

Washington, D.C. Reagan-National

Mon 7/13

7:40 pm-11:30 pm

1 stop3h 50m

$274

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 6/18

5:17 pm-7:12 pm

Nonstop1h 55m

Washington, D.C. Reagan-National

Sat 6/20

8:45 pm-10:29 pm

Nonstop1h 44m

$277

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 8/21

2:49 pm-10:59 pm

1 stop8h 10m

Washington, D.C. Reagan-National

Sun 8/23

6:20 am-12:21 pm

1 stop6h 01m

$278

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 5/29

5:17 pm-7:12 pm

Nonstop1h 55m

Washington, D.C. Reagan-National

Mon 6/1

2:54 pm-4:37 pm

Nonstop1h 43m

$279

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 6/18

6:00 am-12:46 pm

1 stop6h 46m

Washington, D.C. Reagan-National

Sat 6/20

5:25 pm-9:35 pm

1 stop4h 10m

$281

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Portland, Maine and Washington, D.C. Reagan-National Airport?

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 December is also cheap. Prices for this month can be found on momondo for an average of $277.

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 $351. Flights from Portland, Maine to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $467. 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 $346. 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 $380.

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 from Portland, Maine 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 $342 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 $204 on momondo.

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

As of May 2026, prices for Portland, Maine to Washington, D.C. Reagan-National Airport flights are approximately 112% 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

$191

Fastest flight time

1h 53m

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 $191. 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 $340.
The fastest flight from Portland, Maine to Washington, D.C. Reagan-National Airport takes 1h 53m
Direct flights go from Portland, Maine to Washington, D.C. Reagan-National Airport every day.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Washington, D.C. Reagan-National Airport

  • 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 53m.

  • 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
7.1
11,662 reviews
Search American Airlines flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
9,717 reviews
Search United Airlines flights

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

    American Airlines operates around 18 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 $341, 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 7.1/10 in 11,662 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
Waldorf
Woodbridge
Laurel
Gaithersburg
Colonial Beach
Fredericksburg
Silver Spring
Towson
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

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.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 6/14
Sun 6/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.