How popular is this Portland, Maine to Washington, D.C. flight route?

Flights from Portland to Washington, D.C. have been viewed 30 times in the past calendar month.

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

According to our current data, Frontier ($170), Southwest ($217), and American Airlines ($217) offers the cheapest pricing from Portland, Maine to Washington, D.C.. Frontier is currently priced 40% below the average price you’ll pay for this route.

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

The cheapest airlines for a one-way flight from Portland, Maine to Washington, D.C. are Avelo Airlines ($79), Frontier ($89), and United Airlines ($109).

What are the most popular routes from Portland, Maine to Washington, D.C.?

The most popular flight routes from Portland, Maine to Washington, D.C. are Portland - Washington, D.C. Dulles Intl, Portland - Washington, D.C. Reagan-National and Portland - Baltimore/Washington.

What are the cheapest flights from Portland, Maine to Washington, D.C.?

Looking at all options, your cheapest flight can be booked for $112. While the most popular route (Portland - Washington, D.C. Dulles Intl) can be booked for $189 on average our data indicates $323 when flying from Portland, Maine to Washington, D.C..

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

Consider American Airlines, United Airlines or Southwest when booking your flight. These represent the most popular airlines when flying from Portland, Maine to Washington, D.C..

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

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 33% when planning your travel around this day of the week.

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

To save on the cost of your flight from Portland, Maine to Washington, D.C., book at least 43 days before your planned departure. Booking around this time can save you about 43% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $275 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $275.

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

Our data shows that September tends to be the cheapest month to fly to Washington, D.C. from Portland, Maine. Users have commonly found prices around $286 for the month, but tickets can be as low as $179. Due to multiple factors, prepare for potentially higher prices in April.

Most accurate provider : When it comes to deals on Portland, Maine-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Portland, Maine-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

For a flight from Portland to Washington, D.C., you will be flying from Portland. Portland (PWM) is just 2.9 mi from the center of the city. Portland is the only Portland airport and it handles 9 outbound flights to Washington, D.C. per day. 4 airlines have flights to Washington, D.C. from Portland on a regular basis.

Can I find deals for flights from Portland to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Portland to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Washington, D.C.?

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

Can I find deals for business class flights from Portland to Washington, D.C.?

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

$79+ Flights from Portland, ME to Washington, D.C.

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Portland to Washington, D.C. are usually found in September or January, booked 84 days in advance, depart on a Friday or Wednesday and return on a Saturday

Cheap flight deals from Portland to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$170 (Booking.com)
One-way from	$79 (Mytrip)
Popular in	April
Cheapest in	September
Average price	$327
Good round-trip deal	$273 or less
Good one-way deal	$159 or less

Provider with most accurate pricing for Portland-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Portland-Washington, D.C. (WAS) flights.

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From Portland to Washington, D.C. (WAS)

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One-way flight from Portland to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Price to beat on a round-trip flight from Portland to Washington, D.C. (WAS).

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Price to beat on a one-way flight from Portland to Washington, D.C. (WAS).

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Find flight deals from Portland to Washington, D.C.

Cheapest flights from Portland to Washington, D.C.
Explore the most affordable flight options available from Portland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

Thu 5/89:29 pmPWM - BWI

1 stop21h 07mFrontier

Sun 5/119:16 pmBWI - PWM

1 stop23h 24mFrontier

Deal found 4/10

$170

Sat 5/245:30 amPWM - BWI

Nonstop1h 40mSouthwest

Sun 5/259:00 pmBWI - PWM

Nonstop1h 30mSouthwest

Deal found 4/10

$217

Sat 5/312:05 pmPWM - DCA

Nonstop1h 45mAmerican Airlines

Mon 6/211:45 amDCA - PWM

Nonstop1h 37mAmerican Airlines

Deal found 4/10

$217

Thu 6/52:35 pmPWM - BWI

2 stops26h 29mMultiple Airlines

Thu 6/1911:23 amBWI - PWM

1 stop8h 49mMultiple Airlines

Deal found 4/10

$221

Sat 5/33:43 pmPWM - IAD

1 stop5h 41mUnited Airlines

Thu 5/85:48 pmIAD - PWM

1 stop5h 39mUnited Airlines

Deal found 4/10

$225

Thu 6/266:30 amPWM - IAD

1 stop5h 29mDelta

Sun 6/298:30 pmIAD - PWM

1 stop4h 16mDelta

Deal found 4/10

$234

Fri 5/231:40 pmPWM - DCA

1 stop5h 05mDelta

Mon 5/265:45 pmDCA - PWM

1 stop5h 36mDelta

Deal found 4/10

$234

Wed 4/167:29 pmPWM - IAD

1 stop24h 59mFrontier

Fri 4/186:22 pmIAD - PWM

1 stop14h 50mFrontier

Deal found 4/10

$242

Fri 5/26:00 amPWM - DCA

1 stop4h 34mUnited Airlines

Sun 5/47:18 pmDCA - PWM

1 stop4h 09mUnited Airlines

Deal found 4/9

$264

Sat 5/241:30 pmPWM - BWI

1 stop5h 18mDelta

Mon 5/266:35 pmBWI - PWM

1 stop5h 24mDelta

Deal found 4/10

$278

Fri 6/62:49 pmPWM - BWI

1 stop6h 02mAmerican Airlines

Mon 6/95:38 pmBWI - PWM

1 stop5h 06mAmerican Airlines

Deal found 4/10

$291

Thu 5/297:45 amPWM - IAD

1 stop5h 37mAmerican Airlines

Sun 6/15:26 pmIAD - PWM

1 stop5h 40mAmerican Airlines

Deal found 4/10

$292

Best flights from Portland to Washington, D.C.
Discover carefully curated flight deals from Portland to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2025.

Thu 5/89:29 pmPWM - BWI

1 stop21h 07mFrontier

Sun 5/119:16 pmBWI - PWM

1 stop23h 24mFrontier

Deal found 4/10

$170

Sat 5/245:30 amPWM - BWI

Nonstop1h 40mSouthwest

Sun 5/259:00 pmBWI - PWM

Nonstop1h 30mSouthwest

Deal found 4/10

$217

Sat 5/312:05 pmPWM - DCA

Nonstop1h 45mAmerican Airlines

Mon 6/211:45 amDCA - PWM

Nonstop1h 37mAmerican Airlines

Deal found 4/10

$217

Thu 6/52:35 pmPWM - BWI

2 stops26h 29mMultiple Airlines

Thu 6/1911:23 amBWI - PWM

1 stop8h 49mMultiple Airlines

Deal found 4/10

$221

Sat 5/33:43 pmPWM - IAD

1 stop5h 41mUnited Airlines

Thu 5/85:48 pmIAD - PWM

1 stop5h 39mUnited Airlines

Deal found 4/10

$225

Thu 6/266:30 amPWM - IAD

1 stop5h 29mDelta

Sun 6/298:30 pmIAD - PWM

1 stop4h 16mDelta

Deal found 4/10

$234

Sat 6/1412:58 pmPWM - BWI

1 stop22h 25mSun Country Air

Wed 6/1812:25 pmBWI - PWM

1 stop23h 10mSun Country Air

Deal found 4/10

$416

Fri 5/231:40 pmPWM - DCA

1 stop5h 05mDelta

Mon 5/265:45 pmDCA - PWM

1 stop5h 36mDelta

Deal found 4/10

$234

Fri 5/26:00 amPWM - DCA

1 stop4h 34mUnited Airlines

Sun 5/47:18 pmDCA - PWM

1 stop4h 09mUnited Airlines

Deal found 4/9

$264

Thu 4/248:01 pmPWM - IAD

1 stop20h 34mFrontier

Sun 4/275:25 pmIAD - PWM

1 stop25h 46mFrontier

Deal found 4/10

$270

Fri 6/62:49 pmPWM - BWI

1 stop6h 02mAmerican Airlines

Mon 6/95:38 pmBWI - PWM

1 stop5h 06mAmerican Airlines

Deal found 4/10

$291

Sat 5/241:30 pmPWM - BWI

1 stop5h 18mDelta

Mon 5/266:35 pmBWI - PWM

1 stop5h 24mDelta

Deal found 4/10

$278

Last-minute flights from Portland to Washington, D.C.
Discover last-minute flight deals from Portland to Washington, D.C.. Data last updated April 11, 2025 and is based on user searches.

Wed 4/167:29 pmPWM - BWI

1 stop22h 06mFrontier

Fri 4/1810:00 pmBWI - PWM

1 stop11h 12mFrontier

Deal found 4/10

$232

Wed 4/167:29 pmPWM - IAD

1 stop24h 59mFrontier

Fri 4/186:22 pmIAD - PWM

1 stop14h 50mFrontier

Deal found 4/10

$242

Wed 4/162:59 pmPWM - IAD

1 stop4h 54mDelta

Mon 4/215:23 pmIAD - PWM

1 stop5h 51mDelta

Deal found 4/10

$282

Wed 4/166:45 pmPWM - IAD

Nonstop1h 58mUnited Airlines

Mon 4/215:55 pmIAD - PWM

Nonstop1h 49mUnited Airlines

Deal found 4/10

$322

Wed 4/168:12 pmPWM - BWI

2 stops27h 54mMultiple Airlines

Fri 4/187:55 pmBWI - PWM

2 stops23h 37mMultiple Airlines

Deal found 4/10

$711

Thu 4/175:20 amPWM - DCA

1 stop7h 26mDelta

Wed 4/235:47 pmDCA - PWM

1 stop5h 27mDelta

Deal found 4/10

$259

Thu 4/176:15 amPWM - DCA

1 stop4h 21mUnited Airlines

Sun 4/209:00 amDCA - PWM

1 stop4h 40mUnited Airlines

Deal found 4/10

$480

Thu 4/172:30 pmPWM - BWI

Nonstop1h 35mSouthwest

Thu 4/249:35 amBWI - PWM

Nonstop1h 30mSouthwest

Deal found 4/10

$499

Thu 4/177:35 amPWM - BWI

1 stop5h 22mAmerican Airlines

Thu 4/246:40 amBWI - PWM

1 stop6h 43mAmerican Airlines

Deal found 4/10

$633

Fri 4/185:38 amPWM - DCA

Nonstop1h 56mAmerican Airlines

Tue 4/229:49 amDCA - PWM

Nonstop1h 35mAmerican Airlines

Deal found 4/9

$315

Sun 4/207:00 amPWM - BWI

1 stop4h 52mDelta

Tue 4/225:40 pmBWI - PWM

1 stop5h 34mDelta

Deal found 4/10

$591

Mon 4/214:15 pmPWM - BWI

1 stop17h 39mUnited Airlines

Wed 4/2310:50 amBWI - PWM

1 stop24h 12mUnited Airlines

Deal found 4/10

$719

One-way flights from Portland to Washington, D.C.
Search for one-way flight options from Portland to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated April 11, 2025.

Thu 6/268:56 pmPWM - IAD

1 stop23h 41mAvelo Airlines

Deal found 4/10

$79

Fri 5/169:30 pmPWM - BWI

1 stop21h 06mFrontier

Deal found 4/10

$89

Sun 5/118:23 pmPWM - IAD

1 stop20h 13mFrontier

Deal found 4/10

$91

Sun 5/1112:37 pmPWM - IAD

Nonstop1h 53mUnited Airlines

Deal found 4/10

$109

Sun 5/115:50 pmPWM - BWI

Nonstop1h 35mSouthwest

Deal found 4/10

$109

Tue 5/137:45 amPWM - BWI

1 stop5h 14mAmerican Airlines

Deal found 4/10

$119

Mon 5/53:20 pmPWM - DCA

1 stop7h 39mJetBlue

Deal found 4/10

$120

Thu 5/295:24 pmPWM - DCA

Nonstop1h 50mAmerican Airlines

Deal found 4/10

$123

Wed 5/145:00 pmPWM - BWI

1 stop6h 20mDelta

Deal found 4/10

$124

Thu 6/56:01 pmPWM - IAD

1 stop5h 58mAmerican Airlines

Deal found 4/10

$133

Mon 5/52:59 pmPWM - IAD

1 stop22h 03mDelta

Deal found 4/10

$138

Wed 8/136:30 amPWM - DCA

2 stops9h 32mDelta

Deal found 4/10

$138

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Thu 5/8

9:29 pm-6:36 pm

1 stop21h 07m

Baltimore/Washington

Sun 5/11

9:16 pm-8:40 pm

1 stop23h 24m

$170

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Sat 5/24

5:30 am-7:10 am

Nonstop1h 40m

Baltimore/Washington

Sun 5/25

9:00 pm-10:30 pm

Nonstop1h 30m

$217

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Sat 5/31

2:05 pm-3:50 pm

Nonstop1h 45m

Washington, D.C. Reagan-National

Mon 6/2

11:45 am-1:22 pm

Nonstop1h 37m

$217

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Thu 6/5

2:35 pm-5:04 pm

2 stops26h 29m

Baltimore/Washington

Thu 6/19

11:23 am-8:12 pm

1 stop8h 49m

$221

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Sat 5/3

3:43 pm-9:24 pm

1 stop5h 41m

Washington, D.C. Dulles Intl

Thu 5/8

5:48 pm-11:27 pm

1 stop5h 39m

$225

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 6/26

6:30 am-11:59 am

1 stop5h 29m

Washington, D.C. Dulles Intl

Sun 6/29

8:30 pm-12:46 am

1 stop4h 16m

$234

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 5/23

1:40 pm-6:45 pm

1 stop5h 05m

Washington, D.C. Reagan-National

Mon 5/26

5:45 pm-11:21 pm

1 stop5h 36m

$234

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 5/2

6:00 am-10:34 am

1 stop4h 34m

Washington, D.C. Reagan-National

Sun 5/4

7:18 pm-11:27 pm

1 stop4h 09m

$264

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 4/24

8:01 pm-4:35 pm

1 stop20h 34m

Washington, D.C. Dulles Intl

Sun 4/27

5:25 pm-7:11 pm

1 stop25h 46m

$270

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Sat 5/24

1:30 pm-6:48 pm

1 stop5h 18m

Baltimore/Washington

Mon 5/26

6:35 pm-11:59 pm

1 stop5h 24m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 35 results

Compare providers for flights from Portland to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Washington, D.C. in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Portland, Maine-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Portland, Maine-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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

Booking 84 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.. 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.?

Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Washington, D.C. (average of $241). Flying from Portland, Maine to Washington, D.C. in March is currently the most expensive (average of $290). 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 WAS?

It’s optimal to fly from Portland, Maine to Washington, D.C. in the afternoon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight at noon.

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

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

Weekly flight availability from Portland, Maine to Washington, D.C.

The most flights from PWM to WAS are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., 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 Washington, D.C.

To help decide which airline to fly from Portland to Washington, D.C., see what other customers have to say about Southwest, Delta and Avelo Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.0

Very good

4,279 reviews

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,910 reviews

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Avelo Airlines

7.5

Good

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,636 reviews

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

JetBlue

7.3

Good

2,925 reviews

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What airport do you fly from for flights from Portland to Washington, D.C.?
For a flight from Portland to Washington, D.C., you will be flying from Portland. Portland (PWM) is just 2.9 mi from the center of the city. Portland is the only Portland airport and it handles 9 outbound flights to Washington, D.C. per day. 4 airlines have flights to Washington, D.C. from Portland on a regular basis.
How popular is this Portland, Maine to Washington, D.C. flight route?
Flights from Portland to Washington, D.C. have been viewed 30 times in the past calendar month.
What are the cheapest airlines flying from Portland, Maine to Washington, D.C. round-trip?
According to our current data, Frontier ($170), Southwest ($217), and American Airlines ($217) offers the cheapest pricing from Portland, Maine to Washington, D.C.. Frontier is currently priced 40% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Portland, Maine to Washington, D.C. one-way?
The cheapest airlines for a one-way flight from Portland, Maine to Washington, D.C. are Avelo Airlines ($79), Frontier ($89), and United Airlines ($109).
What are the most popular routes from Portland, Maine to Washington, D.C.?
The most popular flight routes from Portland, Maine to Washington, D.C. are Portland - Washington, D.C. Dulles Intl, Portland - Washington, D.C. Reagan-National and Portland - Baltimore/Washington.
What are the cheapest flights from Portland, Maine to Washington, D.C.?
Looking at all options, your cheapest flight can be booked for $112. While the most popular route (Portland - Washington, D.C. Dulles Intl) can be booked for $189 on average our data indicates $323 when flying from Portland, Maine to Washington, D.C..
Can I find deals for flights from Portland to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Portland to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Washington, D.C..
Can I find deals for business class flights from Portland to Washington, D.C.?
Yes. Cheapflights offers flight deals from Portland to Washington, D.C. 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.?
Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Washington, D.C. (average of $241). Flying from Portland, Maine to Washington, D.C. in March is currently the most expensive (average of $290). 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

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Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Portland to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$148	Average$373	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$187	Average$426	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$188	Average$342	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$251	Average$351	FlexibilityNo cancel fee	On-time63%

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$79+ Cheap flights from Portland, ME (PWM) to Washington, D.C. (WAS)

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 6/26. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Portland to Washington, D.C. are usually found in September or January, booked 84 days in advance, depart on a Friday or Wednesday and return on a Saturday

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Find flight deals from Portland to Washington, D.C.

Cheapest flights from Portland to Washington, D.C.Explore the most affordable flight options available from Portland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

Explore the most affordable flight options available from Portland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

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Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Washington, D.C. in April.

Best time to book a flight from Portland to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Portland with our price prediction graph.

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Everything you need to know about your flight from Portland to Washington, D.C.

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

Use this chart to determine the optimal time to book a round-trip flight from Portland to Washington, D.C.. Price data was last updated on April 4, 2025.

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

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

Find hourly flight availability from Portland to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Portland to Washington, D.C.. Price data was last updated on March 30, 2025.

Weekly flight availability from Portland, Maine to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Related info for your journey

Find useful and relevant information for your journey from Portland to Washington, D.C.. 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.?

How popular is this Portland, Maine to Washington, D.C. flight route?

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

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

What are the most popular routes from Portland, Maine to Washington, D.C.?

What are the cheapest flights from Portland, Maine to Washington, D.C.?

Can I find deals for flights from Portland to Washington, D.C. that include hotel bookings?

How can I find direct flights from Portland to Washington, D.C.?

Can I find deals for business class flights from Portland to Washington, D.C.?

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

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Alternative routes for Portland to Washington, D.C.

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Top 4 airlines flying from Portland to Washington, D.C.

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Cheapest flights from Portland to Washington, D.C.
Explore the most affordable flight options available from Portland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.