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 $150 on American Airlines. Other airlines that offer cheap prices include Delta from $151 and JetBlue from $159 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.

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.

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).

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

Consider Republic Airways (88%), PSA Airlines (76%) or American Airlines (73%) 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 $285. 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 June.

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 is 1 daily outbound flight 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.

$150+ 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	$201 (American Airlines)
One-way from	$150 (American Airlines)
Popular in	June
Cheapest in	September
Average price	$374
Good round-trip deal	$268 or less
Good one-way deal	$198 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 ($34 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 3, 2025.

Tue 9/3012:26 pmPWM - DCA

Nonstop1h 44mAmerican Airlines

Tue 9/3010:11 pmDCA - PWM

Nonstop1h 41mAmerican Airlines

Deal found 7/3

$201

Thu 9/46:31 amPWM - DCA

2 stops8h 28mDelta

Wed 9/1012:29 pmDCA - PWM

2 stops10h 56mDelta

Deal found 7/2

$203

Fri 12/56:00 amPWM - DCA

1 stop5h 53mUnited Airlines

Sun 12/76:00 pmDCA - PWM

1 stop5h 14mUnited Airlines

Deal found 7/2

$209

Thu 10/92:17 pmPWM - DCA

1 stop5h 04mJetBlue

Sun 10/125:20 pmDCA - PWM

1 stop4h 42mJetBlue

Deal found 7/3

$242

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 July 3, 2025.

Tue 9/3012:26 pmPWM - DCA

Nonstop1h 44mAmerican Airlines

Tue 9/3010:11 pmDCA - PWM

Nonstop1h 41mAmerican Airlines

Deal found 7/3

$201

Thu 9/46:31 amPWM - DCA

2 stops8h 28mDelta

Wed 9/1012:29 pmDCA - PWM

2 stops10h 56mDelta

Deal found 7/2

$203

Tue 7/226:01 amPWM - DCA

1 stop4h 26mUnited Airlines

Mon 7/285:15 pmDCA - PWM

1 stop5h 59mUnited Airlines

Deal found 7/2

$214

Last-minute flights from Portland to Reagan-National
Discover last-minute flight deals from Portland to Reagan-National. Data last updated July 3, 2025 and is based on user searches.

Fri 7/111:07 pmPWM - DCA

1 stop6h 27mDelta

Tue 7/153:59 pmDCA - PWM

1 stop8h 39mDelta

Deal found 6/30

$239

Fri 7/116:00 amPWM - DCA

Nonstop1h 49mAmerican Airlines

Sun 7/1310:10 pmDCA - PWM

Nonstop1h 49mAmerican Airlines

Deal found 7/3

$254

Fri 7/116:01 amPWM - DCA

1 stop4h 26mUnited Airlines

Sat 7/197:00 pmDCA - PWM

1 stop4h 14mUnited Airlines

Deal found 7/1

$364

Tue 7/226:01 amPWM - DCA

1 stop4h 26mUnited Airlines

Mon 7/285:15 pmDCA - PWM

1 stop5h 59mUnited Airlines

Deal found 7/2

$214

Wed 7/236:30 amPWM - DCA

1 stop3h 44mDelta

Mon 7/287:40 pmDCA - PWM

1 stop3h 49mDelta

Deal found 7/1

$209

Fri 8/157:09 amPWM - DCA

1 stop7h 50mAmerican Airlines

Mon 8/1810:08 pmDCA - PWM

Nonstop1h 36mAmerican Airlines

Deal found 7/2

$206

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 July 3, 2025.

Fri 8/86:00 amPWM - DCA

Nonstop1h 45mAmerican Airlines

Deal found 7/3

$150

Sun 8/246:31 amPWM - DCA

1 stop3h 43mDelta

Deal found 7/1

$151

Fri 9/262:17 pmPWM - DCA

1 stop8h 39mJetBlue

Deal found 7/1

$159

Sun 8/247:55 pmPWM - DCA

1 stop12h 25mSouthwest

Deal found 7/1

$175

Fri 8/86:01 amPWM - DCA

1 stop6h 24mUnited Airlines

Deal found 7/1

$190

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

Tue 9/30

12:26 pm-2:10 pm

Nonstop1h 44m

Washington, D.C. Reagan-National

Tue 9/30

10:11 pm-11:52 pm

Nonstop1h 41m

$201

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 9/4

6:31 am-2:59 pm

2 stops8h 28m

Washington, D.C. Reagan-National

Wed 9/10

12:29 pm-11:25 pm

2 stops10h 56m

$203

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 12/5

6:00 am-11:53 am

1 stop5h 53m

Washington, D.C. Reagan-National

Sun 12/7

6:00 pm-11:14 pm

1 stop5h 14m

$209

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

5:20 pm-10:02 pm

1 stop4h 42m

$242

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 8/8

6:00 am-7:45 am

Nonstop1h 45m

$150

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sun 8/24

6:31 am-10:14 am

1 stop3h 43m

$151

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 9/26

2:17 pm-10:56 pm

1 stop8h 39m

$159

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Tue 11/4

10:45 am-3:18 pm

1 stop4h 33m

$161

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sun 8/24

7:55 pm-8:20 am

1 stop12h 25m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 March is currently the most expensive (average of $335). 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 5% on flights from Portland, Maine to Washington, D.C. Reagan-National Airport by exploring options for tickets at noon.

Reviews of airlines servicing Reagan-National

Read through reviews of airlines operating flights from Portland to Washington, D.C. Reagan-National Airport, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,266 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

4,266 reviews

Southwest

8.0

Very good

4,266 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

7,982 reviews

Southwest

8.0

Very good

4,266 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

8,861 reviews

Southwest

8.0

Very good

4,266 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

2,916 reviews

Southwest

8.0

Very good

4,266 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

4,266 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 is 1 daily outbound flight 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 American Airlines is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $201. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $203 and $214, respectively. These flights start at 36% 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 $150 on American Airlines. Other airlines that offer cheap prices include Delta from $151 and JetBlue from $159 one-way.
What are the most reliable airlines from Portland, Maine to Washington, D.C. Reagan-National Airport?
Consider Republic Airways (88%), PSA Airlines (76%) or American Airlines (73%) 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 $316 for a flight from Portland, Maine to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $122 while the most popular route, (Portland - Washington, D.C. Reagan-National) is currently priced at $177.
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 March is currently the most expensive (average of $335). 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.

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Woodbridge

Alexandria

Tysons

Silver Spring

Fredericksburg

Linthicum Heights

Gaithersburg

Fairfax

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Towson

Waldorf

Laurel

Falls Church

Rockville

Springfield

National Harbor

Manassas

Dundalk

Bowie

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Top 3 airlines flying from Portland to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$148	Average$294	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$189	Average$305	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$198	Average$368	FlexibilityNo cancel fee	On-time69%

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$150+ 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 8/8. 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 July 3, 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 July 3, 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 27, 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 July 3, 2025.

Reviews of airlines servicing Reagan-National

Read through reviews of airlines operating flights from Portland to Washington, D.C. Reagan-National Airport, such as Southwest, Delta, and United Airlines. 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 July 3, 2025.