What is the cheapest airline that flies from Portland to Washington, D.C. Reagan-National?

Delta and United Airlines are the most popular carriers operating from Portland to Washington, D.C. Reagan-National

What airlines fly to Washington, D.C. Reagan-National Airport?

American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Portland, Maine according to our data. American Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 4 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

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?

As of June 2026, there are 2 operators available to choose from 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.

$169 Cheap Flights from Portland, Maine to Washington, D.C. Reagan-National Airport in 2026

Q: How many flights depart from Portland, Maine to Washington, D.C. Reagan-National Airport on average per day?

2 flights are operational daily from Portland, Maine to Washington, D.C. Reagan-National Airport as of June 2026. The most popular departure time for this route is 11:00AM, with 41% of flights per day taking off at noon.

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

Prices are currently low for flights on this route. Typical prices usually range from $315 to $476. The lowest price recently found on this route was $249.

Q: How many flights depart from Portland, Maine to Washington, D.C. Reagan-National Airport on average per week?

As of June 2026, 19 flights take off from Portland, Maine and land in Washington, D.C. Reagan-National Airport each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:13 pm - 7:15 pm

PWM

DCA

2h 02mnonstop

2:54 pm - 4:33 pm

DCA

PWM

1h 39mnonstop

$249American Airlines

Fri, Sep 4 - Mon, Sep 7

5:18 pm - 7:10 pm

PWM

DCA

1h 52mnonstop

6:59 am - 10:33 am

DCA

PWM

3h 34m

1 stop

$253American Airlines

Wed, Jul 15 - Tue, Jul 21

6:00 am - 7:48 am

PWM

DCA

1h 48mnonstop

3:11 pm - 10:00 pm

DCA

PWM

6h 49m

1 stop

$256American Airlines

Fri, Aug 14 - Tue, Aug 18

6:01 pm - 11:53 pm

PWM

DCA

5h 52m

1 stop

10:09 pm - 11:59 pm

DCA

PWM

1h 50mnonstop

$259American Airlines

Fri, Jul 24 - Sun, Jul 26

6:00 am - 7:48 am

PWM

DCA

1h 48mnonstop

10:21 pm - 11:59 pm

DCA

PWM

1h 38mnonstop

$261American Airlines

Sat, Aug 15 - Tue, Aug 18

6:01 pm - 11:53 pm

PWM

DCA

5h 52m

1 stop

5:50 pm - 10:47 pm

DCA

PWM

4h 57m

1 stop

$263American Airlines

Tue, Jul 21 - Sat, Jul 25

6:02 am - 7:50 am

PWM

DCA

1h 48mnonstop

10:10 pm - 11:47 pm

DCA

PWM

1h 37mnonstop

$264American Airlines

Sat, Aug 15 - Tue, Aug 18

5:56 am - 7:44 am

PWM

DCA

1h 48mnonstop

10:21 pm - 11:59 pm

DCA

PWM

1h 38mnonstop

$265American Airlines

Sat, Aug 15 - Sun, Aug 16

6:30 am - 12:42 pm

PWM

DCA

6h 12m

1 stop

7:40 pm - 11:30 pm

DCA

PWM

3h 50m

1 stop

$266Delta

Fri, Aug 14 - Tue, Aug 18

6:25 am - 10:15 am

PWM

DCA

3h 50m

1 stop

12:23 pm - 11:30 pm

DCA

PWM

11h 07m

2 stops

$268Delta

Wed, Jul 15 - Tue, Jul 21

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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

Aug 14

PWM6:30 amPortland

6h 12m

1 stop

DCA12:42 pmWashington, D.C. Reagan-National

Aug 18

DCA7:40 pmWashington, D.C. Reagan-National

3h 50m

1 stop

PWM11:30 pmPortland

$266

Delta

Jul 15

PWM6:25 amPortland

3h 50m

1 stop

DCA10:15 amWashington, D.C. Reagan-National

Jul 21

DCA12:23 pmWashington, D.C. Reagan-National

11h 07m

2 stops

PWM11:30 pmPortland

$268

Delta

Jul 24

PWM6:00 amPortland

4h 09m

1 stop

DCA10:09 amWashington, D.C. Reagan-National

Jul 26

DCA8:15 amWashington, D.C. Reagan-National

4h 12m

1 stop

PWM12:27 pmPortland

$269

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

Sep 4

PWM5:13 pmPortland

2h 02m

DCA7:15 pmWashington, D.C. Reagan-National

Sep 7

DCA2:54 pmWashington, D.C. Reagan-National

1h 39m

PWM4:33 pmPortland

$249

American Airlines

Jul 15

PWM5:18 pmPortland

1h 52m

DCA7:10 pmWashington, D.C. Reagan-National

Jul 21

DCA6:59 amWashington, D.C. Reagan-National

3h 34m

1 stop

PWM10:33 amPortland

$253

American Airlines

Aug 14

PWM6:00 amPortland

1h 48m

DCA7:48 amWashington, D.C. Reagan-National

Aug 18

DCA3:11 pmWashington, D.C. Reagan-National

6h 49m

1 stop

PWM10:00 pmPortland

$256

momondo Fare Finder

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 9/4

5:13 pm-7:15 pm

Nonstop2h 02m

Washington, D.C. Reagan-National

Mon 9/7

2:54 pm-4:33 pm

Nonstop1h 39m

$249

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 7/15

5:18 pm-7:10 pm

Nonstop1h 52m

Washington, D.C. Reagan-National

Tue 7/21

6:59 am-10:33 am

1 stop3h 34m

$253

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 8/14

6:00 am-7:48 am

Nonstop1h 48m

Washington, D.C. Reagan-National

Tue 8/18

3:11 pm-10:00 pm

1 stop6h 49m

$256

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 7/24

6:01 pm-11:53 pm

1 stop5h 52m

Washington, D.C. Reagan-National

Sun 7/26

10:09 pm-11:59 pm

Nonstop1h 50m

$259

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 8/15

6:00 am-7:48 am

Nonstop1h 48m

Washington, D.C. Reagan-National

Tue 8/18

10:21 pm-11:59 pm

Nonstop1h 38m

$261

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Tue 7/21

6:01 pm-11:53 pm

1 stop5h 52m

Washington, D.C. Reagan-National

Sat 7/25

5:50 pm-10:47 pm

1 stop4h 57m

$263

Quickest round-trip

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 8/15

6:02 am-7:50 am

Nonstop1h 48m

Washington, D.C. Reagan-National

Tue 8/18

10:10 pm-11:47 pm

Nonstop1h 37m

$264

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 8/15

5:56 am-7:44 am

Nonstop1h 48m

Washington, D.C. Reagan-National

Sun 8/16

10:21 pm-11:59 pm

Nonstop1h 38m

$265

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 8/14

6:30 am-12:42 pm

1 stop6h 12m

Washington, D.C. Reagan-National

Tue 8/18

7:40 pm-11:30 pm

1 stop3h 50m

$266

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 7/15

6:25 am-10:15 am

1 stop3h 50m

Washington, D.C. Reagan-National

Tue 7/21

12:23 pm-11:30 pm

2 stops11h 07m

$268

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 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

Prices

Airlines

Other information

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 $273. 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 $354. Flights from Portland, Maine to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $469. 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 $335. 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 $384.

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 $349 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 $251 on momondo.

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

There are 3 cabin classes available to choose from on Portland, Maine to Washington, D.C. Reagan-National Airport 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 June 2026, prices for Portland, Maine to Washington, D.C. Reagan-National Airport flights are approximately 77% 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	$213
Fastest flight time	1h 48m
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 $213. 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 $287.

The fastest flight from Portland, Maine to Washington, D.C. Reagan-National Airport takes 1h 48m

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 48m.
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?
As of June 2026, there are 2 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Portland, Maine to Washington, D.C. Reagan-National Airport is Canadair (Bombardier) Regional Jet 900, representing 17.62% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 700 at 15.33%, Airbus A319 at 14.98%, and Boeing 737 MAX 8 at 13.30%.
What is the most popular airline from Portland, Maine to Washington, D.C. Reagan-National Airport?
momondo data reveals that the most frequently booked airline on the route from Portland, Maine to Washington, D.C. Reagan-National Airport is American Airlines, representing 98% of all bookings. The subsequent popular airline is United Airlines at 2%.

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 Airlines	PriceFrom $189	Free Cancellation	Rating 7.1 11,776 reviews		Search American Airlines flights
United Airlines	PriceFrom $249	Free Cancellation	Rating 7.4 9,899 reviews		Search United Airlines flights

American Airlines Flights From Portland, Maine to Washington, D.C. Reagan-National Airport
American Airlines operates around 14 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 $346, 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 11,776 reviews.

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Colonial Beach

Linthicum Heights

Rockville

Silver Spring

Towson

Manassas

Tysons

Springfield

Fairfax

Bethesda

Glen Burnie

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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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Cheap flights from Portland, Maine to Washington, D.C. from $169

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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

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

momondo Fare Finder

Use the filters below to find and compare flights from Portland, Maine to Washington, D.C. Reagan-National Airport that are best for you.

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

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?

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

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

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

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

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

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

What is the cheapest airline that flies from Portland to Washington, D.C. Reagan-National?

What airlines fly to Washington, D.C. Reagan-National Airport?

How many flights depart from Portland, Maine to Washington, D.C. Reagan-National Airport on average per day?

How many flights depart from Portland, Maine to Washington, D.C. Reagan-National Airport on average per week?

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

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

Fastest flight time

Direct flights

Frequently asked questions about flying 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

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

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List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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