What airlines fly to District of Columbia?

American Airlines, JetBlue and United Airlines are the top three most popular airlines that fly to District of Columbia from Portland, Maine according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 6 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

How many flights depart from Portland, Maine to District of Columbia on average per day?

As of August 2026, there are 8 flights per day flying from Portland, Maine to District of Columbia. The most common time of day flights depart is 12:00PM, with 48% of flights taking off in the afternoon.

How many flights depart from Portland, Maine to District of Columbia on average per week?

59 flights are operational weekly from Portland, Maine to District of Columbia as of August 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

What is the cheapest airline that flies from Portland to District of Columbia?

Delta and United Airlines are the most popular carriers operating from Portland to District of Columbia

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?

The number of operators available for flights from Portland Airport to District of Columbia is 2 as of August 2026.

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.

$153 Cheap Flights from Portland, Maine to District of Columbia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to District of Columbia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 7:56 amPWM Portland-DCA Washington, D.C. Reagan-National

1h 56mnonstop

10:18 pm - 11:59 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 41mnonstop

$249American Airlines

Sat, Oct 10 - Mon, Oct 12

3:25 pm - 5:20 pmPWM Portland-DCA Washington, D.C. Reagan-National

1h 55mnonstop

8:50 pm - 10:33 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 43mnonstop

$249American Airlines

Sat, Nov 7 - Tue, Nov 10

5:15 am - 7:07 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 52mnonstop

5:30 pm - 7:24 pmIAD Washington, D.C. Dulles Intl-PWM Portland

1h 54mnonstop

$249United Airlines

Fri, Oct 9 - Mon, Oct 12

5:06 pm - 7:00 pmPWM Portland-DCA Washington, D.C. Reagan-National

1h 54mnonstop

10:04 pm - 11:45 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 41mnonstop

$249American Airlines

Sat, Sep 26 - Tue, Sep 29

5:38 pm - 7:30 pmPWM Portland-DCA Washington, D.C. Reagan-National

1h 52mnonstop

7:41 am - 9:35 amDCA Washington, D.C. Reagan-National-PWM Portland

1h 54mnonstop

$249American Airlines

Sat, Oct 17 - Sat, Oct 24

6:53 pm - 10:59 pmPWM Portland-IAD Washington, D.C. Dulles Intl

4h 06m1 stop Newark

10:10 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-PWM Portland

1h 49mnonstop

$250United Airlines

Wed, Sep 23 - Sun, Sep 27

6:53 pm - 10:59 pmPWM Portland-IAD Washington, D.C. Dulles Intl

4h 06m1 stop Newark

8:20 am - 10:04 amIAD Washington, D.C. Dulles Intl-PWM Portland

1h 44mnonstop

$250United Airlines

Fri, Sep 18 - Mon, Sep 21

4:03 pm - 11:28 pmPWM Portland-DCA Washington, D.C. Reagan-National

7h 25m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County

2:00 pm - 11:21 pmDCA Washington, D.C. Reagan-National-PWM Portland

9h 21m2 stops Cincinnati Cinci./N. Kentucky New York LaGuardia

$251Delta

Sat, Nov 14 - Tue, Nov 17

6:03 am - 12:59 pmPWM Portland-DCA Washington, D.C. Reagan-National

6h 56m2 stops New York John F Kennedy Intl Cincinnati Cinci./N. Kentucky

2:00 pm - 12:10 amDCA Washington, D.C. Reagan-National-PWM Portland

10h 10m2 stops Cincinnati Cinci./N. Kentucky New York John F Kennedy Intl

$251Delta

Tue, Oct 27 - Thu, Oct 29

4:03 pm - 11:28 pmPWM Portland-DCA Washington, D.C. Reagan-National

7h 25m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County

12:26 pm - 11:21 pmDCA Washington, D.C. Reagan-National-PWM Portland

10h 55m2 stops Detroit Metropolitan Wayne County New York LaGuardia

$251Delta

Sat, Dec 5 - Mon, Dec 7

Cheap last minute flights

Enter your travel dates to find the best prices.

5:15 am - 7:07 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 52mnonstop

8:20 am - 10:04 amIAD Washington, D.C. Dulles Intl-PWM Portland

1h 44mnonstop

$304United Airlines

Sat, Aug 15 - Sat, Sep 12

10:56 am - 4:48 pmPWM Portland-DCA Washington, D.C. Reagan-National

5h 52m1 stop Philadelphia

7:59 am - 9:52 amDCA Washington, D.C. Reagan-National-PWM Portland

1h 53mnonstop

$314American Airlines

Sat, Aug 15 - Sat, Sep 12

6:00 am - 11:26 amPWM Portland-IAD Washington, D.C. Dulles Intl

5h 26m1 stop Newark

10:10 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-PWM Portland

1h 49mnonstop

$314United Airlines

Sat, Aug 15 - Sat, Sep 12

6:00 am - 11:59 amPWM Portland-DCA Washington, D.C. Reagan-National

5h 59m1 stop Newark

1:01 pm - 6:29 pmDCA Washington, D.C. Reagan-National-PWM Portland

5h 28m1 stop Newark

$324United Airlines

Sat, Aug 15 - Sat, Sep 12

6:02 am - 7:50 amPWM Portland-DCA Washington, D.C. Reagan-National

1h 48mnonstop

2:40 pm - 4:24 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 44mnonstop

$327American Airlines

Sat, Aug 15 - Sat, Sep 12

4:59 pm - 9:11 pmPWM Portland-DCA Washington, D.C. Reagan-National

4h 12m1 stop New York LaGuardia

12:32 pm - 9:15 pmDCA Washington, D.C. Reagan-National-PWM Portland

8h 43m2 stops Detroit Metropolitan Wayne County New York LaGuardia

$329Delta

Sat, Aug 15 - Sat, Sep 12

1:30 pm - 6:59 pmPWM Portland-DCA Washington, D.C. Reagan-National

5h 29m1 stop New York LaGuardia

10:10 pm - 11:47 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 37mnonstop

$359American Airlines

Fri, Aug 14 - Thu, Aug 20

4:59 pm - 9:11 pmPWM Portland-DCA Washington, D.C. Reagan-National

4h 12m1 stop New York LaGuardia

5:40 pm - 11:30 pmDCA Washington, D.C. Reagan-National-PWM Portland

5h 50m1 stop New York LaGuardia

$369Delta

Sat, Aug 15 - Sun, Aug 16

6:00 am - 11:49 amPWM Portland-IAD Washington, D.C. Dulles Intl

5h 49m1 stop New York John F Kennedy Intl

7:19 pm - 12:59 amIAD Washington, D.C. Dulles Intl-PWM Portland

5h 40m1 stop New York John F Kennedy Intl

$369Delta

Fri, Aug 14 - Wed, Aug 19

5:15 am - 7:07 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 52mnonstop

10:10 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-PWM Portland

1h 49mnonstop

$372United Airlines

Sat, Aug 15 - Fri, Aug 21

Cheap direct flights

Enter your travel dates to find the best prices.

6:00 am - 7:56 amPWM Portland-DCA Washington, D.C. Reagan-National

1h 56mnonstop

10:18 pm - 11:59 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 41mnonstop

$249American Airlines

Sat, Oct 10 - Mon, Oct 12

3:25 pm - 5:20 pmPWM Portland-DCA Washington, D.C. Reagan-National

1h 55mnonstop

8:50 pm - 10:33 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 43mnonstop

$249American Airlines

Sat, Nov 7 - Tue, Nov 10

5:15 am - 7:07 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 52mnonstop

5:30 pm - 7:24 pmIAD Washington, D.C. Dulles Intl-PWM Portland

1h 54mnonstop

$249United Airlines

Fri, Oct 9 - Mon, Oct 12

5:38 pm - 7:30 pmPWM Portland-DCA Washington, D.C. Reagan-National

1h 52mnonstop

7:41 am - 9:35 amDCA Washington, D.C. Reagan-National-PWM Portland

1h 54mnonstop

$249American Airlines

Sat, Oct 17 - Sat, Oct 24

5:06 pm - 7:00 pmPWM Portland-DCA Washington, D.C. Reagan-National

1h 54mnonstop

10:04 pm - 11:45 pmDCA Washington, D.C. Reagan-National-PWM Portland

1h 41mnonstop

$249American Airlines

Sat, Sep 26 - Tue, Sep 29

10:52 am - 12:44 pmPWM Portland-DCA Washington, D.C. Reagan-National

1h 52mnonstop

8:03 am - 9:52 amDCA Washington, D.C. Reagan-National-PWM Portland

1h 49mnonstop

$251American Airlines

Fri, Oct 30 - Mon, Nov 2

5:15 am - 7:07 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 52mnonstop

8:20 am - 10:04 amIAD Washington, D.C. Dulles Intl-PWM Portland

1h 44mnonstop

$253United Airlines

Fri, Sep 4 - Mon, Sep 7

7:35 pm - 9:30 pmPWM Portland-IAD Washington, D.C. Dulles Intl

1h 55mnonstop

8:20 am - 10:04 amIAD Washington, D.C. Dulles Intl-PWM Portland

1h 44mnonstop

$253United Airlines

Wed, Aug 26 - Sun, Sep 6

5:52 am - 7:35 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

10:10 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-PWM Portland

1h 49mnonstop

$253United Airlines

Sun, Aug 30 - Sun, Sep 6

5:15 am - 7:07 amPWM Portland-IAD Washington, D.C. Dulles Intl

1h 52mnonstop

8:20 am - 10:04 amIAD Washington, D.C. Dulles Intl-PWM Portland

1h 44mnonstop

$253United Airlines

Fri, Sep 4 - Mon, Sep 7

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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

Oct 9

PWM5:15 amPortland

1h 52m

IAD7:07 amWashington, D.C. Dulles Intl

Oct 12

IAD5:30 pmWashington, D.C. Dulles Intl

1h 54m

PWM7:24 pmPortland

$249

United Airlines

Sep 10

PWM3:47 pmPortland

5h 41m

1 stop

IAD9:28 pmWashington, D.C. Dulles Intl

Sep 13

IAD8:20 amWashington, D.C. Dulles Intl

1h 44m

PWM10:04 amPortland

$250

United Airlines

Aug 26

PWM7:35 pmPortland

1h 55m

IAD9:30 pmWashington, D.C. Dulles Intl

Sep 6

IAD8:20 amWashington, D.C. Dulles Intl

1h 44m

PWM10:04 amPortland

$253

Delta flights from Portland, Maine to District of Columbia

Our best Delta deals on Portland, Maine to District of Columbia flight tickets

Delta

Nov 11

PWM4:03 pmPortland

7h 18m

2 stops

IAD11:21 pmWashington, D.C. Dulles Intl

Nov 14

IAD6:00 amWashington, D.C. Dulles Intl

9h 16m

2 stops

PWM3:16 pmPortland

$251

Delta

Sep 3

PWM6:00 amPortland

5h 49m

1 stop

IAD11:49 amWashington, D.C. Dulles Intl

Sep 5

IAD7:59 pmWashington, D.C. Dulles Intl

5h 00m

1 stop

PWM12:59 amPortland

$252

Delta

Nov 18

PWM6:00 amPortland

5h 52m

1 stop

IAD11:52 amWashington, D.C. Dulles Intl

Dec 3

IAD11:15 amWashington, D.C. Dulles Intl

4h 43m

1 stop

PWM3:58 pmPortland

$254

momondo Fare Finder

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

Cheapest round-trip

PortlandWashington, D.C.

PWM Portland - DCA Washington, D.C. Reagan-National

PWMDCA

Portland

Sat 10/10

6:00 am-7:56 am

Nonstop1h 56m

Washington, D.C. Reagan-National

Mon 10/12

10:18 pm-11:59 pm

Nonstop1h 41m

$249

PortlandWashington, D.C.

PWM Portland - DCA Washington, D.C. Reagan-National

PWMDCA

Portland

Sat 11/7

3:25 pm-5:20 pm

Nonstop1h 55m

Washington, D.C. Reagan-National

Tue 11/10

8:50 pm-10:33 pm

Nonstop1h 43m

$249

PortlandWashington, D.C.

PWM Portland - IAD Washington, D.C. Dulles Intl

PWMIAD

Portland

Fri 10/9

5:15 am-7:07 am

Nonstop1h 52m

Washington, D.C. Dulles Intl

Mon 10/12

5:30 pm-7:24 pm

Nonstop1h 54m

$249

Quickest round-trip

PortlandWashington, D.C.

PWM Portland - DCA Washington, D.C. Reagan-National

PWMDCA

Portland

Sat 9/26

5:06 pm-7:00 pm

Nonstop1h 54m

Washington, D.C. Reagan-National

Tue 9/29

10:04 pm-11:45 pm

Nonstop1h 41m

$249

PortlandWashington, D.C.

PWM Portland - DCA Washington, D.C. Reagan-National

PWMDCA

Portland

Sat 10/17

5:38 pm-7:30 pm

Nonstop1h 52m

Washington, D.C. Reagan-National

Sat 10/24

7:41 am-9:35 am

Nonstop1h 54m

$249

PortlandWashington, D.C.

PWM Portland - IAD Washington, D.C. Dulles Intl

PWMIAD

Portland

Wed 9/23

6:53 pm-10:59 pm

1 stop4h 06m

Washington, D.C. Dulles Intl

Sun 9/27

10:10 pm-11:59 pm

Nonstop1h 49m

$250

PortlandWashington, D.C.

PWM Portland - IAD Washington, D.C. Dulles Intl

PWMIAD

Portland

Fri 9/18

6:53 pm-10:59 pm

1 stop4h 06m

Washington, D.C. Dulles Intl

Mon 9/21

8:20 am-10:04 am

Nonstop1h 44m

$250

PortlandWashington, D.C.

PWM Portland - DCA Washington, D.C. Reagan-National

PWMDCA

Portland

Sat 11/14

4:03 pm-11:28 pm

2 stops7h 25m

Washington, D.C. Reagan-National

Tue 11/17

2:00 pm-11:21 pm

2 stops9h 21m

$251

PortlandWashington, D.C.

PWM Portland - DCA Washington, D.C. Reagan-National

PWMDCA

Portland

Tue 10/27

6:03 am-12:59 pm

2 stops6h 56m

Washington, D.C. Reagan-National

Thu 10/29

2:00 pm-12:10 am

2 stops10h 10m

$251

PortlandWashington, D.C.

PWM Portland - DCA Washington, D.C. Reagan-National

PWMDCA

Portland

Sat 12/5

4:03 pm-11:28 pm

2 stops7h 25m

Washington, D.C. Reagan-National

Mon 12/7

12:26 pm-11:21 pm

2 stops10h 55m

$251

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $270. If you don’t want to visit District of Columbia in September, then you should wait until October to fly from Portland, Maine, when ticket prices are also cheap, with an average price of $290.

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 Thursday when prices can be found for as low as $370. 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 $529.

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 $366 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly at noon, with an average ticket price of $492. Departure times at noon 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 Washington, D.C. Reagan-National for the best Portland - District of Columbia flight prices

How far in advance should I book a flight from Portland, Maine 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 $343 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 $202 on momondo.

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

There are 4 cabin classes available to choose from on Portland, Maine 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	$274
Fastest flight time	1h 40m
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 $274. The best round-trip flight deal from Portland, Maine to District of Columbia found on momondo in the last 72 hours is $302.

The fastest flight from Portland, Maine to District of Columbia takes 1h 40m

Direct flights go from Portland, Maine to District of Columbia every day.

There are 2 airports in District of Columbia. From Portland, Maine there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).

Search flight deals

Frequently asked questions about flying from Portland, Maine to District of Columbia

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?
The number of operators available for flights from Portland Airport to District of Columbia is 2 as of August 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Portland, Maine to District of Columbia is Embraer 175 (Enhanced Winglets) (20.59% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (18.83%), Airbus A319 (15.50%), and Canadair (Bombardier) Regional Jet 700 (10.54%).

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 Airlines	PriceFrom $189	Free Cancellation	Rating 7.1 11,913 reviews	Search American Airlines flights
United Airlines	PriceFrom $204	Free Cancellation	Rating 7.4 10,111 reviews	Search United Airlines flights
Southwest	PriceFrom $271	Free Cancellation	Rating 8.0 4,218 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.