HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$111+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PWM
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Portland with Cheapflights

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Portland are usually found in April or January, booked 60 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
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 December 16, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 12/3010:13 pmIAD - PWM
Nonstop1h 46mUnited Airlines
Sun 1/47:30 pmPWM - IAD
Nonstop1h 55mUnited Airlines
Deal found 12/16$248
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/2910:13 pmIAD - PWM
Nonstop1h 46mUnited Airlines
Mon 1/510:19 amPWM - IAD
Nonstop2h 01mUnited Airlines
Deal found 12/14$249
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/2510:13 pmIAD - PWM
Nonstop1h 46mUnited Airlines
Tue 12/307:30 pmPWM - IAD
Nonstop1h 55mUnited Airlines
Deal found 12/16$261
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/2510:13 pmIAD - PWM
Nonstop1h 46mUnited Airlines
Thu 1/17:30 pmPWM - IAD
Nonstop1h 55mUnited Airlines
Deal found 12/14$262
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 12/2410:13 pmIAD - PWM
Nonstop1h 46mUnited Airlines
Sat 1/102:31 pmPWM - IAD
Nonstop1h 59mUnited Airlines
Deal found 12/14$277
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 12/2612:55 pmIAD - PWM
Nonstop1h 45mUnited Airlines
Tue 12/307:30 pmPWM - IAD
Nonstop1h 55mUnited Airlines
Deal found 12/16$278
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/3110:13 pmIAD - PWM
Nonstop1h 46mUnited Airlines
Sun 1/47:30 pmPWM - IAD
Nonstop1h 55mUnited Airlines
Deal found 12/15$279
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/2510:13 pmIAD - PWM
Nonstop1h 46mUnited Airlines
Wed 12/3110:19 amPWM - IAD
Nonstop2h 01mUnited Airlines
Deal found 12/14$285
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 12/2410:13 pmIAD - PWM
Nonstop1h 46mUnited Airlines
Fri 1/93:12 pmPWM - IAD
1 stop6h 01mUnited Airlines
Deal found 12/14$287
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 12/245:15 pmIAD - PWM
1 stop6h 07mUnited Airlines
Mon 1/56:46 pmPWM - IAD
1 stop4h 20mUnited Airlines
Deal found 12/14$297
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/1810:08 pmDCA - PWM
Nonstop1h 34mAmerican Airlines
Mon 12/226:00 amPWM - DCA
Nonstop1h 49mAmerican Airlines
Deal found 12/15$340
This Delta deal was found by Cheapflights users on 12/15. 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.
Thu 12/185:02 pmDCA - PWM
1 stop6h 57mDelta
Mon 12/227:00 amPWM - DCA
1 stop6h 42mDelta
Deal found 12/15$354

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 December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$244
(American Airlines)

One-way from

$111
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$374

Good round-trip deal

$250 or less

Good one-way deal

$158 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. 8% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Portland that are best for you.

Fly from

Washington, D.C.

Fly to

Portland

Route

Depart

Return

Price

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Mon 1/12

5:24 pm-10:07 pm

1 stop4h 43m

Portland

Mon 1/19

5:20 am-7:18 am

Nonstop1h 58m

$244

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Sun 1/4

8:00 am-9:44 am

Nonstop1h 44m

Portland

Sun 1/11

3:42 pm-9:13 pm

1 stop5h 31m

$259

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Fri 1/9

5:26 pm-12:20 am

2 stops6h 54m

Portland

Sun 1/11

6:20 am-11:43 am

1 stop5h 23m

$259

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Sat 1/10

12:46 pm-2:29 pm

Nonstop1h 43m

Portland

Wed 1/14

11:12 am-4:25 pm

1 stop5h 13m

$259

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Thu 2/19

7:51 pm-12:18 am

1 stop4h 27m

Portland

Sun 2/22

6:30 am-11:41 am

1 stop5h 11m

$269

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Sat 1/24

10:15 am-1:56 pm

1 stop3h 41m

Portland

Wed 1/28

6:00 am-12:24 pm

1 stop6h 24m

$269

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Thu 1/1

10:13 pm-11:59 pm

Nonstop1h 46m

Portland

Fri 1/2

5:30 am-7:30 am

Nonstop2h 00m

$274

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Tue 2/17

12:39 pm-2:23 pm

Nonstop1h 44m

Portland

Tue 2/24

2:10 pm-4:13 pm

Nonstop2h 03m

$274

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Sat 2/28

7:51 pm-12:18 am

1 stop4h 27m

Portland

Mon 3/2

2:35 pm-7:09 pm

1 stop4h 34m

$275

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

Sat 1/17

8:30 pm-10:00 pm

Nonstop1h 30m

Portland

Mon 1/19

5:35 am-7:35 am

Nonstop2h 00m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
1
2
3
...
6

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Portland, Maine flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Portland. Price data was last updated on December 12, 2025.

The best time to book flights from Washington, D.C. to Portland, Maine is 60 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 month to book a flight from Washington, D.C. to Portland, Maine?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Portland, Maine (average of $43). Flying from Washington, D.C. to Portland, Maine in September is currently the most expensive (average of $114). 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 December 16, 2025.

It’s optimal to fly from Washington, D.C. to Portland, Maine in the evening. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.

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 December 13, 2025.

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

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

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 December 16, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United 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
4,250 reviews

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,092 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,049 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 3 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 44m. Fly via American Airlines, United Airlines, or Delta to get the fastest option. Airlines will cover a distance of 492 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 $189. Another airline that can offer you cheap pricing is United Airlines. American 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 Delta ($81), American Airlines ($122), and United Airlines ($127).

  • 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 Republic Airways (91%), United Airlines (83%) or Avianca (80%) 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 $333, our data shows the cheapest flight currently is $159. When looking at the most popular route, (Washington, D.C. Dulles Intl - Portland), you can expect to pay $199 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, March is the cheapest month in which you can book a flight from Washington, D.C. to Portland, Maine (average of $43). Flying from Washington, D.C. to Portland, Maine in September is currently the most expensive (average of $114). 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
Brunswick
Auburn
Conway

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$189Average$415FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$208Average$368FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$244Average$385FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.