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$127+ Cheap flights from Washington, D.C. (WAS) to Portland, ME (PWM)

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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PWM
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
1 adult, Economy
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Find cheap flights from Washington, D.C. to Portland with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. to Portland are usually found in September or January, booked 60 days in advance, depart on a Saturday or Wednesday and return on a Friday

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

Cheapest flights from Washington, D.C. to Portland
Explore the most affordable flight options available from Washington, D.C. to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.

This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:30 pm
BWI
-
PWM
Nonstop1h 30m
Southwest
Sat 8/225:40 am
PWM
-
BWI
Nonstop1h 35m
Southwest
Deal found 7/1$253
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/610:10 pm
IAD
-
PWM
Nonstop1h 41m
United Airlines
Mon 8/105:15 am
PWM
-
IAD
Nonstop1h 45m
United Airlines
Deal found 7/1$262
This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:00 pm
BWI
-
PWM
1 stop6h 13m
Delta
Wed 9/22:14 pm
PWM
-
BWI
1 stop5h 36m
Delta
Deal found 6/30$263
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:59 am
DCA
-
PWM
1 stop3h 34m
American Airlines
Wed 7/295:45 am
PWM
-
DCA
Nonstop2h 00m
American Airlines
Deal found 7/2$263
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2610:10 pm
IAD
-
PWM
Nonstop1h 41m
United Airlines
Sun 8/25:15 am
PWM
-
IAD
Nonstop1h 45m
United Airlines
Deal found 6/28$263
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:09 pm
DCA
-
PWM
Nonstop1h 50m
American Airlines
Sat 8/86:02 am
PWM
-
DCA
Nonstop1h 48m
American Airlines
Deal found 7/1$264
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1810:10 pm
IAD
-
PWM
Nonstop1h 41m
United Airlines
Sat 7/255:15 am
PWM
-
IAD
Nonstop1h 45m
United Airlines
Deal found 7/1$264
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:18 pm
DCA
-
PWM
Nonstop1h 41m
American Airlines
Wed 9/236:00 am
PWM
-
DCA
Nonstop1h 50m
American Airlines
Deal found 6/28$265
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:42 pm
IAD
-
PWM
1 stop5h 48m
United Airlines
Sat 7/255:15 am
PWM
-
IAD
Nonstop1h 45m
United Airlines
Deal found 6/30$267
This Southwest deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:30 pm
BWI
-
PWM
Nonstop1h 30m
Southwest
Thu 8/205:55 am
PWM
-
BWI
Nonstop1h 35m
Southwest
Deal found 6/30$268
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:10 pm
DCA
-
PWM
Nonstop1h 37m
American Airlines
Wed 8/196:02 am
PWM
-
DCA
Nonstop1h 48m
American Airlines
Deal found 6/30$268
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:10 pm
IAD
-
PWM
Nonstop1h 49m
United Airlines
Wed 9/307:25 pm
PWM
-
IAD
Nonstop1h 55m
United Airlines
Deal found 6/30$268

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$253
(Southwest)

One-way from

$127
(Southwest)

Popular in

July

Cheapest in

September

Average price

$423

Good round-trip deal

$318 or less

Good one-way deal

$190 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Portland flights.
Search Deals
From Washington, D.C. (WAS) to Portland
Search Deals
One-way flight from Washington, D.C. (WAS) to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Portland.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Portland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2026.
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 - PWM

DCAPWM

Washington, D.C. Reagan-National

Sat 8/15

12:00 pm-3:58 pm

1 stop3h 58m

Portland

Tue 8/18

6:00 am-10:09 am

1 stop4h 09m

$269

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Tue 9/15

12:32 pm-11:17 pm

2 stops10h 45m

Portland

Fri 10/2

6:30 am-10:17 am

1 stop3h 47m

$274

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Tue 9/15

6:10 am-3:39 pm

2 stops9h 29m

Portland

Tue 9/29

6:02 am-11:45 am

1 stop5h 43m

$274

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Sat 8/15

5:30 pm-7:17 pm

Nonstop1h 47m

Portland

Mon 8/17

5:15 am-7:07 am

Nonstop1h 52m

$280

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Tue 9/22

6:10 am-3:39 pm

2 stops9h 29m

Portland

Sat 9/26

6:02 am-11:45 am

1 stop5h 43m

$289

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Thu 8/6

6:02 am-12:59 am

1 stop18h 57m

Portland

Sat 8/15

4:59 pm-9:11 pm

1 stop4h 12m

$294

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Sat 7/18

7:59 pm-12:59 am

1 stop5h 00m

Portland

Wed 7/22

6:00 am-11:49 am

1 stop5h 49m

$299

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Tue 7/21

5:29 pm-12:59 am

2 stops7h 30m

Portland

Tue 7/28

6:25 am-10:15 am

1 stop3h 50m

$302

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Tue 7/21

6:59 pm-12:59 am

1 stop6h 00m

Portland

Tue 7/28

4:52 pm-11:13 pm

1 stop6h 21m

$314

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Fri 8/7

10:10 pm-11:51 pm

Nonstop1h 41m

Portland

Thu 8/13

5:15 am-7:07 am

Nonstop1h 52m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 57 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. to Portland

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 Washington, D.C. to Portland in July.
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
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 Washington, D.C. to Portland

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Portland, Maine (average of $140). Flying from Washington, D.C. to Portland, Maine in July is currently the most expensive (average of $213). 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?

Find hourly flight availability from Washington, D.C. to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2026.

It’s optimal to fly from Washington, D.C. to Portland, Maine in the evening. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the afternoon.

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

Explore weekly flight availability from Washington, D.C. to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 2, 2026.

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 (4 on average).

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

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 59 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?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Portland. Price data was last updated on June 27, 2026.

Travelers seeking maximum savings on their Washington, D.C. to Portland, Maine flight should consider departing on Monday afternoons 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 insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated July 2, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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
7.9
Good
4,249 reviews

Comfort

8.0

Boarding

8.1

Overall

7.9

Entertainment

7.5

Food

7.0

Crew

8.6

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
7.9
Good
4,249 reviews
Southwest
7.9
Good
4,249 reviews

Comfort

8.0

Boarding

8.1

Overall

7.9

Entertainment

7.5

Food

7.0

Crew

8.6

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.
Delta
7.8
Good
8,452 reviews
Southwest
7.9
Good
4,249 reviews

Comfort

8.0

Boarding

8.1

Overall

7.9

Entertainment

7.5

Food

7.0

Crew

8.6

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
9,926 reviews
Southwest
7.9
Good
4,249 reviews

Comfort

8.0

Boarding

8.1

Overall

7.9

Entertainment

7.5

Food

7.0

Crew

8.6

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
11,769 reviews
Southwest
7.9
Good
4,249 reviews

Comfort

8.0

Boarding

8.1

Overall

7.9

Entertainment

7.5

Food

7.0

Crew

8.6

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

Find useful and relevant information for your journey from Washington, D.C. to Portland. 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 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 30m. 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 $205. Another airline that can offer you cheap pricing is United Airlines. American Airlines is 42% 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 ($128), JetBlue ($131), and United Airlines ($149).

  • 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. Reagan-National - Portland, Washington, D.C. Dulles Intl - 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 (100%), Avianca (95%) or United Airlines (93%) 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 $365, our data shows the cheapest flight currently is $152. When looking at the most popular route, (Washington, D.C. Reagan-National - Portland), you can expect to pay $248 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Portland, Maine (average of $140). Flying from Washington, D.C. to Portland, Maine in July is currently the most expensive (average of $213). 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

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

Discover the top 3 airlines that operate flights from Washington, D.C. to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$205Average$383FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$208Average$389FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$259Average$413FlexibilityNo cancel feeOn-time63%

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