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$129+ Cheap flights from Washington, D.C. (WAS) to Portland, ME (PWM)

WAS — PWM
Sep 21 — Sep 281
Mon 9/21
Mon 9/28
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Portland are usually found in January or November, booked 71 days in advance, depart on a Saturday or Tuesday and return on a Friday

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

Cheapest flights from Washington, D.C. to Portland

Sat 10/178:15 am -
Nonstop1h 30m
Wed 10/215:40 am -
Nonstop1h 45m
Deal found 8/21$257
Wed 9/1610:04 pm -
Nonstop1h 41m
Wed 9/235:05 pm -
Nonstop1h 54m
Deal found 8/19$268
Sat 10/36:09 am -
1 stop6h 31m
Wed 10/76:00 am -
Nonstop1h 56m
Deal found 8/17$269
Fri 9/115:45 pm -
1 stop5h 47m
Fri 9/185:15 am -
Nonstop1h 52m
Deal found 8/18$269
Sat 9/58:35 pm -
Nonstop1h 40m
Fri 9/116:00 am -
Nonstop1h 50m
Deal found 8/17$274
Sat 9/55:30 pm -
Nonstop1h 48m
Sat 9/195:15 am -
Nonstop1h 52m
Deal found 8/19$274
Fri 9/118:55 pm -
Nonstop1h 35m
Sat 9/265:40 am -
Nonstop1h 35m
Deal found 8/21$275
Mon 9/142:40 pm -
Nonstop1h 44m
Fri 9/185:05 pm -
Nonstop1h 54m
Deal found 8/21$275
Mon 9/2112:47 pm -
Nonstop1h 51m
Fri 9/255:15 am -
Nonstop1h 52m
Deal found 8/21$275
Sat 10/35:30 pm -
1 stop5h 58m
Thu 10/85:15 am -
Nonstop1h 52m
Deal found 8/21$276
Thu 9/178:10 am -
Nonstop1h 40m
Thu 9/241:05 pm -
Nonstop1h 40m
Deal found 8/18$277
Thu 12/176:10 am -
1 stop5h 58m
Tue 1/55:59 pm -
1 stop4h 55m
Deal found 8/21$277

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(Southwest)

One-way from

$129
(Southwest)

Popular in

July

Cheapest in

January

Average price

$374

Good round-trip deal

$324 or less

Good one-way deal

$231 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Portland flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Portland flights.
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From Washington, D.C. (WAS) to Portland
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One-way flight from Washington, D.C. (WAS) to Portland
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Highest demand for flights based on searches. 7% potential increase in price ($27 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 August 2026
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Portland.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Portland.
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Portland

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

DCAPWM

Washington, D.C. Reagan-National

Fri 10/30

7:20 pm-11:18 pm

1 stop3h 58m

Portland

Mon 11/2

4:47 pm-11:07 pm

1 stop6h 20m

$278

Washington, D.C.Portland

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

IADPWM

Washington, D.C. Dulles Intl

Wed 11/11

5:50 pm-11:21 pm

1 stop5h 31m

Portland

Sat 11/14

5:30 am-7:30 am

Nonstop2h 00m

$278

Washington, D.C.Portland

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

DCAPWM

Washington, D.C. Reagan-National

Wed 10/21

7:20 pm-11:18 pm

1 stop3h 58m

Portland

Wed 10/28

6:28 am-10:19 am

1 stop3h 51m

$279

Washington, D.C.Portland

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

IADPWM

Washington, D.C. Dulles Intl

Fri 10/23

6:32 pm-12:10 am

1 stop5h 38m

Portland

Mon 10/26

6:03 am-11:50 am

1 stop5h 47m

$279

Washington, D.C.Portland

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

IADPWM

Washington, D.C. Dulles Intl

Tue 9/8

5:30 pm-7:24 pm

Nonstop1h 54m

Portland

Fri 9/11

9:49 am-11:41 am

Nonstop1h 52m

$285

Washington, D.C.Portland

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

IADPWM

Washington, D.C. Dulles Intl

Tue 9/29

5:50 pm-11:28 pm

1 stop5h 38m

Portland

Mon 10/5

5:15 am-7:07 am

Nonstop1h 52m

$299

Washington, D.C.Portland

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

DCAPWM

Washington, D.C. Reagan-National

Tue 9/8

2:45 pm-11:17 pm

2 stops8h 32m

Portland

Sat 9/12

12:36 pm-6:31 pm

1 stop5h 55m

$299

Washington, D.C.Portland

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

IADPWM

Washington, D.C. Dulles Intl

Tue 10/20

6:05 am-4:47 pm

2 stops10h 42m

Portland

Thu 10/22

6:04 am-11:50 am

1 stop5h 46m

$302

BaltimorePortland

BWI Baltimore/Washington - PWM Portland

BWIPWM

Baltimore/Washington

Fri 9/11

8:55 pm-10:30 pm

Nonstop1h 35m

Portland

Wed 9/16

5:45 am-7:25 am

Nonstop1h 40m

$313

Washington, D.C.Portland

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

DCAPWM

Washington, D.C. Reagan-National

Tue 10/6

5:30 pm-11:18 pm

1 stop5h 48m

Portland

Tue 10/13

4:15 pm-10:55 pm

1 stop6h 40m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 59 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. to Portland

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Portland in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 Washington, D.C.-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Portland, Maine 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 Washington, D.C.-Portland, Maine 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 Washington, D.C. to Portland

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

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Portland, Maine (average of $294). Flying from Washington, D.C. to Portland, Maine in July is currently the most expensive (average of $439). 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 WAS to PWM?

It’s optimal to fly from Washington, D.C. to Portland, Maine in the evening. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the afternoon.

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

The most flights from WAS to PWM are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Washington, D.C. to Portland, Maine?

Airfare is below average for this route at the moment.
Washington, D.C. to Portland, Maine flights typically cost between $296 and $480 in October.
The cheapest round-trip price found within the last 5 days was $257 on Southwest (Oct 17-Oct 21).

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

The best time to book flights from Washington, D.C. to Portland, Maine is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

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

Reviews of airlines servicing Portland

Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Washington, D.C. to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,214 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,214 reviews
Southwest
8.0
Very good
4,214 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
United Airlines
7.4
Good
10,112 reviews
Southwest
8.0
Very good
4,214 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,990 reviews
Southwest
8.0
Very good
4,214 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Related info for your journey

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

    Most people fly into Portland (PWM) if they book a flight to Portland from Washington, D.C.. On average, Portland has 8 inbound flights from Washington, D.C. per day from 3 airlines. Portland is conveniently located just 2.9 mi from Portland’s city center.

  • How long is the flight from Washington, D.C. to Portland, Maine?

    There are many flights that can get you from Washington, D.C. to Portland, Maine in 1h 35m. Fly via Delta, United Airlines, or Southwest to get the fastest option. Airlines will cover a distance of 451 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Washington, D.C. to Portland, Maine round-trip from $214. Another airline that can offer you cheap pricing is American Airlines. United Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Washington, D.C. to Portland, Maine are American Airlines ($130), JetBlue ($131), and United Airlines ($138).

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

    When deciding which route to take from Washington, D.C. to Portland, Maine consider Washington, D.C. Dulles Intl - Portland, Washington, D.C. Reagan-National - Portland or Baltimore/Washington - Portland as they are the most popular.

  • What are the most reliable airlines from Washington, D.C. to Portland, Maine?

    Consider GoJet (92%), United Airlines (86%) or Republic Airways (85%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Portland, Maine.

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

    While on average a flight from Washington, D.C. to Portland, Maine is generally $382, our data shows the cheapest flight currently is $143. When looking at the most popular route, (Washington, D.C. Dulles Intl - Portland), you can expect to pay $259 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Portland 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 Washington, D.C. to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Portland, Maine (average of $294). Flying from Washington, D.C. to Portland, Maine in July is currently the most expensive (average of $439). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Lewiston
Brunswick
Conway

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Washington, D.C. to Portland

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$208Average$355FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$217Average$382FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$260Average$412FlexibilityNo cancel feeOn-time63%

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