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Cheap flights from Portland, Maine to District of Columbia from $89

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 District of Columbia departing on 10/23. 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 District of Columbia

Cheap round-trip flights

American Airlines Logo
5:36 am - 7:45 amPWM-DCA
2h 09mnonstop
American Airlines Logo
10:00 pm - 11:40 pmDCA-PWM
1h 40mnonstop
$177American Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
American Airlines Logo
6:00 am - 7:44 amPWM-DCA
1h 44mnonstop
American Airlines Logo
2:54 pm - 4:34 pmDCA-PWM
1h 40mnonstop
$183American Airlines
Find Deal
Sat, Sep 20 - Sun, Sep 21
United Airlines Logo
7:26 pm - 9:15 pmPWM-IAD
1h 49mnonstop
United Airlines Logo
8:15 am - 9:58 amIAD-PWM
1h 43mnonstop
$189United Airlines
Find Deal
Tue, Aug 26 - Tue, Sep 2
American Airlines Logo
5:20 pm - 7:05 pmPWM-DCA
1h 45mnonstop
American Airlines Logo
10:04 pm - 11:45 pmDCA-PWM
1h 41mnonstop
$189American Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14
Delta Logo
6:31 am - 12:02 pmPWM-IAD
5h 31m1 stop
Delta Logo
8:23 pm - 12:48 amIAD-PWM
4h 25m1 stop
$197Delta
Find Deal
Tue, Aug 26 - Wed, Aug 27
Delta Logo
6:00 am - 12:39 pmPWM-DCA
6h 39m1 stop
Delta Logo
7:45 pm - 11:25 pmDCA-PWM
3h 40m1 stop
$197Delta
Find Deal
Tue, Aug 26 - Tue, Sep 2
United Airlines Logo
5:35 am - 7:25 amPWM-IAD
1h 50mnonstop
United Airlines Logo
10:14 pm - 11:59 pmIAD-PWM
1h 45mnonstop
$199United Airlines
Find Deal
Thu, Aug 14 - Sat, Aug 16
JetBlue Logo
2:17 pm - 7:22 pmPWM-DCA
5h 05m1 stop
JetBlue Logo
6:19 am - 1:22 pmDCA-PWM
7h 03m1 stop
$209JetBlue
Find Deal
Fri, Sep 12 - Sun, Sep 14
Southwest Logo
2:40 pm - 10:45 pmPWM-DCA
8h 05m1 stop
Southwest Logo
9:05 am - 4:50 pmDCA-PWM
7h 45m1 stop
$232Southwest
Find Deal
Fri, Oct 24 - Tue, Oct 28
JetBlue Logo
2:17 pm - 7:21 pmPWM-DCA
5h 04m1 stop
JetBlue Logo
6:25 am - 1:22 pmDCA-PWM
6h 57m1 stop
$242JetBlue
Find Deal
Thu, Oct 9 - Sun, Oct 12

United Airlines flights from Portland, Maine to District of Columbia

Our best United Airlines deals on Portland, Maine to District of Columbia flight tickets
United Airlines
Aug 26
PWM7:26 pmPortland
1h 49m
IAD9:15 pmWashington, D.C. Dulles Intl
Sep 2
IAD8:15 amWashington, D.C. Dulles Intl
1h 43m
PWM9:58 amPortland
$189
Find similar
United Airlines
Aug 14
PWM5:35 amPortland
1h 50m
IAD7:25 amWashington, D.C. Dulles Intl
Aug 16
IAD10:14 pmWashington, D.C. Dulles Intl
1h 45m
PWM11:59 pmPortland
$199
Find similar
United Airlines
Sep 12
PWM7:26 pmPortland
1h 49m
IAD9:15 pmWashington, D.C. Dulles Intl
Sep 16
IAD8:15 amWashington, D.C. Dulles Intl
1h 43m
PWM9:58 amPortland
$214
Find similar

Delta flights from Portland, Maine to District of Columbia

Our best Delta deals on Portland, Maine to District of Columbia flight tickets
Delta
Aug 26
PWM6:31 amPortland
5h 31m
1 stop
IAD12:02 pmWashington, D.C. Dulles Intl
Aug 27
IAD8:23 pmWashington, D.C. Dulles Intl
4h 25m
1 stop
PWM12:48 amPortland
$197
Find similar
Delta
Sep 10
PWM1:39 pmPortland
9h 46m
2 stops
IAD11:25 pmWashington, D.C. Dulles Intl
Sep 17
IAD8:17 pmWashington, D.C. Dulles Intl
4h 17m
1 stop
PWM12:34 amPortland
$202
Find similar
Delta
Sep 24
PWM5:00 pmPortland
6h 06m
1 stop
IAD11:06 pmWashington, D.C. Dulles Intl
Sep 28
IAD8:17 pmWashington, D.C. Dulles Intl
4h 17m
1 stop
PWM12:34 amPortland
$203
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to District of Columbia 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 July 31, 2025.
Use the filters below to find and compare flights from Portland, Maine to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 12/6

5:36 am-7:45 am

Nonstop2h 09m

Washington, D.C. Reagan-National

Wed 12/10

10:00 pm-11:40 pm

Nonstop1h 40m

$177

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 9/20

6:00 am-7:44 am

Nonstop1h 44m

Washington, D.C. Reagan-National

Sun 9/21

2:54 pm-4:34 pm

Nonstop1h 40m

$183

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Tue 8/26

7:26 pm-9:15 pm

Nonstop1h 49m

Washington, D.C. Dulles Intl

Tue 9/2

8:15 am-9:58 am

Nonstop1h 43m

$189

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 9/12

5:20 pm-7:05 pm

Nonstop1h 45m

Washington, D.C. Reagan-National

Sun 9/14

10:04 pm-11:45 pm

Nonstop1h 41m

$189

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Tue 8/26

6:31 am-12:02 pm

1 stop5h 31m

Washington, D.C. Dulles Intl

Wed 8/27

8:23 pm-12:48 am

1 stop4h 25m

$197

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Tue 8/26

6:00 am-12:39 pm

1 stop6h 39m

Washington, D.C. Reagan-National

Tue 9/2

7:45 pm-11:25 pm

1 stop3h 40m

$197

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 8/14

5:35 am-7:25 am

Nonstop1h 50m

Washington, D.C. Dulles Intl

Sat 8/16

10:14 pm-11:59 pm

Nonstop1h 45m

$199

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 9/12

2:17 pm-7:22 pm

1 stop5h 05m

Washington, D.C. Reagan-National

Sun 9/14

6:19 am-1:22 pm

1 stop7h 03m

$209

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 10/24

2:40 pm-10:45 pm

1 stop8h 05m

Washington, D.C. Reagan-National

Tue 10/28

9:05 am-4:50 pm

1 stop7h 45m

$232

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 10/9

2:17 pm-7:21 pm

1 stop5h 04m

Washington, D.C. Reagan-National

Sun 10/12

6:25 am-1:22 pm

1 stop6h 57m

$242

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 District of Columbia from

How to get the cheapest flight ticket from Portland, Maine to District of Columbia

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 District of Columbia?

In general, September is the cheapest month to fly from Portland, Maine to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $238. If you don’t want to visit District of Columbia in September, then you should wait until January to fly from Portland, Maine, when ticket prices are also cheap, with an average price of $243.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $368. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Portland, Maine because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $495.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Portland, Maine in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $381 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly in the evening, with an average ticket price of $445. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Portland to District of Columbia flight route?

Fly from Portland to Baltimore/Washington for the best Portland - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $375 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Portland, Maine for as low as $277 on momondo.

What cabin class options are available on Portland to District of Columbia flights?

There are 4 cabin classes available to choose from on Portland to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Portland, Maine to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to District of Columbia

Best Price Found

$89

Fastest flight time

1h 44m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from Portland, Maine in the past 72 hours is $89. The best round-trip flight deal from Portland, Maine to District of Columbia found on momondo in the last 72 hours is $177.
The fastest flight from Portland, Maine to District of Columbia takes 1h 44m
Direct flights go from Portland, Maine to District of Columbia every day.
There are 2 airports near District of Columbia: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to District of Columbia?

    Prices for flights from Portland Airport to District of Columbia are updated daily.

  • How many operators does momondo search for flights from Portland Airport to District of Columbia?

  • How old do you have to be to fly from Portland Airport to District of Columbia?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The required travel and health documents for your District of Columbia 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 District of Columbia. 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 District of Columbia?

Best airlines flying from Portland, Maine to District of Columbia

Compare and see reviews for airlines that fly from Portland, Maine to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $189Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $194Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $198Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
SouthwestPriceFrom $245Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to District of Columbia?

Finding the right flight to District of Columbia from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to District of Columbia quick and easy, saving you time and money.

Can I find flights from Portland to District of Columbia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to District of Columbia from Portland with this policy.

How can momondo help me find flights from Portland to District of Columbia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to District of Columbia from Portland.

I’m not ready to book a flight from Portland to District of Columbia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to District of Columbia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your District of Columbia trip

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