What are the cheapest airlines to fly from Portland, Maine to Washington, D.C. Reagan-National Airport one-way?

One-way options have recently been found by users for as low as $148 on American Airlines. Other airlines that offer cheap prices include United Airlines from $159 and Delta from $160 one-way.

What is the cheapest day to fly from Portland, Maine to Washington, D.C. Reagan-National Airport?

Travelers seeking maximum savings on their Portland, Maine to Washington, D.C. Reagan-National Airport flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most reliable airlines from Portland, Maine to Washington, D.C. Reagan-National Airport?

Consider Republic Airways (85%), PSA Airlines (78%) or American Airlines (71%) when booking your flight. These represent the most reliable airlines when flying from Portland, Maine to Washington, D.C. Reagan-National Airport.

What are the most popular airlines that fly from Portland, Maine to Washington, D.C. Reagan-National Airport?

American Airlines, Delta and United Airlines are the most popular airlines when flying from Portland, Maine to Washington, D.C. Reagan-National Airport.

What is the cheapest day to fly round-trip from Portland, Maine to Washington, D.C. Reagan-National Airport?

Users have found that flying from Portland, Maine to Washington, D.C. Reagan-National Airport on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Portland, Maine to Washington, D.C. Reagan-National Airport?

September can be a great time to fly to Washington, D.C. Reagan-National Airport from Portland, Maine with a flight ticket averaging about $284. Cheapflights users have found deals in the month of September for as cheap as $179. The most expensive prices can be found in the month of February.

What airport do you fly from for flights from Portland to Washington, D.C. Reagan-National?

Located just 2.9 mi from the city center, Portland is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Portland. Booking flights from Portland (PWM) to Washington, D.C. Reagan-National should be relatively easy as there are 2 daily outbound flights to Washington, D.C. Reagan-National from 3 different airlines.

Can I find deals for flights from Portland to Reagan-National that include hotel bookings?

Yes. In addition to deals on Portland to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Reagan-National?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Reagan-National.

Can I find deals for business class flights from Portland to Reagan-National?

Yes. Cheapflights offers flight deals from Portland to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$148+ Flights from Portland, ME to Washington, D.C. Reagan-National Airport

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Portland to Washington, D.C. Reagan-National are usually found in September or October, booked 63 days in advance, depart on a Wednesday or Friday and return on a Saturday

Cheap flight deals from Portland to Reagan-National

Round-trip from	$214 (United Airlines)
One-way from	$148 (American Airlines)
Popular in	June
Cheapest in	September
Average price	$383
Good round-trip deal	$272 or less
Good one-way deal	$166 or less

From Portland to Washington, D.C. Reagan-National

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One-way flight from Portland to Washington, D.C. Reagan-National

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Highest demand for flights based on searches. 9% potential increase in price ($31 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Price to beat on a round-trip flight from Portland to Washington, D.C. Reagan-National.

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Price to beat on a one-way flight from Portland to Washington, D.C. Reagan-National.

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Find flight deals from Portland to Reagan-National

Cheapest flights from Portland to Reagan-National
Explore the most affordable flight options available from Portland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Fri 6/278:00 amPWM - DCA

1 stop4h 25mUnited Airlines

Mon 6/305:30 pmDCA - PWM

1 stop5h 44mUnited Airlines

Deal found 6/9

$214

Fri 7/45:08 amPWM - DCA

Nonstop1h 51mAmerican Airlines

Sun 7/610:10 pmDCA - PWM

Nonstop1h 49mAmerican Airlines

Deal found 6/11

$217

Wed 7/96:30 amPWM - DCA

2 stops8h 30mDelta

Sat 7/193:43 pmDCA - PWM

2 stops9h 14mDelta

Deal found 6/10

$219

Fri 10/102:17 pmPWM - DCA

1 stop5h 04mJetBlue

Mon 10/136:25 amDCA - PWM

1 stop6h 57mJetBlue

Deal found 6/10

$285

Thu 7/103:40 pmPWM - DCA

1 stop7h 05mSouthwest

Thu 7/176:05 amDCA - PWM

2 stops10h 50mSouthwest

Deal found 6/10

$447

Best flights from Portland to Reagan-National
Discover carefully curated flight deals from Portland to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Fri 6/278:00 amPWM - DCA

1 stop4h 25mUnited Airlines

Mon 6/305:30 pmDCA - PWM

1 stop5h 44mUnited Airlines

Deal found 6/9

$214

Fri 7/45:08 amPWM - DCA

Nonstop1h 51mAmerican Airlines

Sun 7/610:10 pmDCA - PWM

Nonstop1h 49mAmerican Airlines

Deal found 6/11

$217

Wed 7/96:30 amPWM - DCA

2 stops8h 30mDelta

Sat 7/193:43 pmDCA - PWM

2 stops9h 14mDelta

Deal found 6/10

$219

Fri 10/102:17 pmPWM - DCA

1 stop5h 04mJetBlue

Mon 10/136:25 amDCA - PWM

1 stop6h 57mJetBlue

Deal found 6/10

$285

Thu 7/103:40 pmPWM - DCA

1 stop7h 05mSouthwest

Thu 7/176:05 amDCA - PWM

2 stops10h 50mSouthwest

Deal found 6/10

$447

Last-minute flights from Portland to Reagan-National
Discover last-minute flight deals from Portland to Reagan-National. Data last updated June 12, 2025 and is based on user searches.

Thu 6/197:41 amPWM - DCA

1 stop3h 52mAmerican Airlines

Mon 6/2310:10 pmDCA - PWM

Nonstop1h 49mAmerican Airlines

Deal found 6/10

$249

Thu 6/1912:49 pmPWM - DCA

1 stop6h 10mDelta

Sat 6/213:45 pmDCA - PWM

2 stops9h 01mDelta

Deal found 6/11

$446

Sat 6/216:20 amPWM - DCA

1 stop6h 05mUnited Airlines

Wed 6/257:00 amDCA - PWM

1 stop6h 19mUnited Airlines

Deal found 6/10

$364

Fri 6/278:00 amPWM - DCA

1 stop4h 25mUnited Airlines

Mon 6/305:30 pmDCA - PWM

1 stop5h 44mUnited Airlines

Deal found 6/9

$214

Fri 7/45:08 amPWM - DCA

Nonstop1h 51mAmerican Airlines

Sun 7/610:00 amDCA - PWM

Nonstop1h 46mAmerican Airlines

Deal found 6/12

$217

Wed 7/96:30 amPWM - DCA

2 stops8h 30mDelta

Sat 7/193:43 pmDCA - PWM

2 stops9h 14mDelta

Deal found 6/10

$219

Thu 7/103:40 pmPWM - DCA

1 stop7h 05mSouthwest

Thu 7/176:05 amDCA - PWM

2 stops10h 50mSouthwest

Deal found 6/10

$447

One-way flights from Portland to Reagan-National
Search for one-way flight options from Portland to Reagan-National. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Wed 7/27:02 amPWM - DCA

1 stop7h 42mAmerican Airlines

Deal found 6/9

$148

Tue 10/2110:40 amPWM - DCA

1 stop3h 42mUnited Airlines

Deal found 6/11

$159

Thu 7/316:30 amPWM - DCA

1 stop3h 44mDelta

Deal found 6/10

$160

Mon 8/113:30 pmPWM - DCA

1 stop7h 30mSouthwest

Deal found 6/10

$235

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland 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 6/27

8:00 am-12:25 pm

1 stop4h 25m

Washington, D.C. Reagan-National

Mon 6/30

5:30 pm-11:14 pm

1 stop5h 44m

$214

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 7/4

5:08 am-6:59 am

Nonstop1h 51m

Washington, D.C. Reagan-National

Sun 7/6

10:00 am-11:46 am

Nonstop1h 46m

$217

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 7/9

6:30 am-3:00 pm

2 stops8h 30m

Washington, D.C. Reagan-National

Sat 7/19

3:43 pm-12:57 am

2 stops9h 14m

$219

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 10/10

2:17 pm-7:21 pm

1 stop5h 04m

Washington, D.C. Reagan-National

Mon 10/13

6:25 am-1:22 pm

1 stop6h 57m

$285

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 7/10

3:40 pm-10:45 pm

1 stop7h 05m

Washington, D.C. Reagan-National

Thu 7/17

6:05 am-4:55 pm

2 stops10h 50m

$447

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 7/2

7:02 am-2:44 pm

1 stop7h 42m

$148

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Tue 10/21

8:00 am-12:19 pm

1 stop4h 19m

$159

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 7/31

6:30 am-10:14 am

1 stop3h 44m

$160

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Wed 10/22

12:00 pm-10:25 pm

2 stops10h 25m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Best time to book a flight from Portland to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Portland with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Washington, D.C. Reagan-National Airport

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

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland, Maine to Washington, D.C. Reagan-National Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport (average of $278). Flying from Portland, Maine to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PWM to DCA?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 4% on flights from Portland, Maine to Washington, D.C. Reagan-National Airport by exploring options for tickets at noon.

Rainfall in Reagan-National by month

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

Temperature in Reagan-National by month

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Reagan-National

Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Portland to Washington, D.C. by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,287 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,946 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,790 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

JetBlue

7.3

Good

2,925 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What airport do you fly from for flights from Portland to Washington, D.C. Reagan-National?
Located just 2.9 mi from the city center, Portland is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Portland. Booking flights from Portland (PWM) to Washington, D.C. Reagan-National should be relatively easy as there are 2 daily outbound flights to Washington, D.C. Reagan-National from 3 different airlines.
What are the cheapest airlines flying from Portland, Maine to Washington, D.C. Reagan-National Airport round-trip?
Flying on United Airlines is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $214. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $217 and $219, respectively. These flights start at 32% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Portland, Maine to Washington, D.C. Reagan-National Airport one-way?
One-way options have recently been found by users for as low as $148 on American Airlines. Other airlines that offer cheap prices include United Airlines from $159 and Delta from $160 one-way.
What are the most reliable airlines from Portland, Maine to Washington, D.C. Reagan-National Airport?
Consider Republic Airways (85%), PSA Airlines (78%) or American Airlines (71%) when booking your flight. These represent the most reliable airlines when flying from Portland, Maine to Washington, D.C. Reagan-National Airport.
What are the cheapest flights from Portland, Maine to Washington, D.C. Reagan-National Airport?
On average you can expect to pay $287 for a flight from Portland, Maine to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $108 while the most popular route, (Portland - Washington, D.C. Reagan-National) is currently priced at $203.
Can I find deals for flights from Portland to Reagan-National that include hotel bookings?
Yes. In addition to deals on Portland to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Reagan-National.
Can I find deals for business class flights from Portland to Reagan-National?
Yes. Cheapflights offers flight deals from Portland to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport (average of $278). Flying from Portland, Maine to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Arlington

Alexandria

Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

Towson

Bowie

Rockville

Reston

National Harbor

Springfield

Manassas

Dundalk

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Portland to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$148	Average$317	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$187	Average$306	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$198	Average$339	FlexibilityNo cancel fee	On-time69%

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$148+ Cheap flights from Portland, ME (PWM) to Reagan-National (DCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Portland to Washington, D.C. Reagan-National are usually found in September or October, booked 63 days in advance, depart on a Wednesday or Friday and return on a Saturday

Cheap flight deals from Portland to Reagan-National

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Portland to Reagan-National

Cheapest flights from Portland to Reagan-NationalExplore the most affordable flight options available from Portland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Portland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Portland to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Portland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portland to Washington, D.C. Reagan-National Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Portland to Reagan-National. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport?

What is the cheapest time of day to fly from PWM to DCA?

Find hourly flight availability from Portland to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

Reviews of airlines servicing Reagan-National

Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Portland to Washington, D.C. by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portland to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Portland to Washington, D.C. Reagan-National?

What are the cheapest airlines flying from Portland, Maine to Washington, D.C. Reagan-National Airport round-trip?

What are the cheapest airlines to fly from Portland, Maine to Washington, D.C. Reagan-National Airport one-way?

What are the most reliable airlines from Portland, Maine to Washington, D.C. Reagan-National Airport?

What are the cheapest flights from Portland, Maine to Washington, D.C. Reagan-National Airport?

Can I find deals for flights from Portland to Reagan-National that include hotel bookings?

How can I find direct flights from Portland to Reagan-National?

Can I find deals for business class flights from Portland to Reagan-National?

What is the cheapest month to book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport?

Traveling to a place near Portland?

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Alternative routes for Portland to Reagan-National

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Top 3 airlines flying from Portland to Reagan-National

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Cheapest flights from Portland to Reagan-National
Explore the most affordable flight options available from Portland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.