HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$109+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PWM
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 January or April, 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

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$224
(United Airlines)

One-way from

$109
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$322

Good round-trip deal

$259 or less

Good one-way deal

$181 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 ($30 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 October 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

Find 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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. 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 11/1210:05 amDCA - PWM
1 stop3h 31mUnited Airlines
Wed 11/196:00 amPWM - DCA
1 stop6h 34mUnited Airlines
Deal found 10/29$224
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/125:33 pmIAD - PWM
1 stop5h 44mUnited Airlines
Wed 11/193:20 pmPWM - IAD
1 stop5h 37mUnited Airlines
Deal found 10/29$224
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 12/910:04 amDCA - PWM
Nonstop1h 33mAmerican Airlines
Tue 1/67:00 amPWM - DCA
1 stop6h 54mAmerican Airlines
Deal found 10/30$227
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Wed 11/53:04 pmDCA - PWM
Nonstop1h 37mAmerican Airlines
Tue 11/115:43 amPWM - DCA
Nonstop1h 55mAmerican Airlines
Deal found 10/28$229
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/125:33 pmIAD - PWM
1 stop5h 44mUnited Airlines
Sun 11/165:30 amPWM - IAD
Nonstop2h 00mUnited Airlines
Deal found 10/29$229
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:41 amBWI - PWM
1 stop23h 55mMultiple Airlines
Wed 12/106:18 pmPWM - BWI
1 stop21h 31mMultiple Airlines
Deal found 10/28$231
This Delta deal was found by Cheapflights users on 10/29. 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.
Wed 11/123:06 pmDCA - PWM
2 stops8h 13mDelta
Wed 11/196:35 amPWM - DCA
2 stops7h 51mDelta
Deal found 10/29$234
This Delta deal was found by Cheapflights users on 10/29. 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.
Wed 11/126:00 amIAD - PWM
2 stops10h 00mDelta
Wed 11/196:00 amPWM - IAD
2 stops10h 23mDelta
Deal found 10/29$234
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/127:00 amDCA - PWM
1 stop6h 36mUnited Airlines
Sun 11/166:00 amPWM - DCA
1 stop3h 59mUnited Airlines
Deal found 10/29$239
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/147:49 pmIAD - PWM
1 stop4h 05mDelta
Sat 11/152:30 pmPWM - IAD
1 stop4h 38mDelta
Deal found 10/29$239
This Delta deal was found by Cheapflights users on 10/29. 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 11/276:06 amDCA - PWM
1 stop6h 02mDelta
Wed 12/36:15 amPWM - DCA
2 stops8h 11mDelta
Deal found 10/29$242
This Delta deal was found by Cheapflights users on 10/30. 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 12/96:00 amIAD - PWM
2 stops10h 03mDelta
Tue 1/66:17 amPWM - IAD
1 stop5h 26mDelta
Deal found 10/30$242

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 October 30, 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

Thu 11/13

3:06 pm-11:54 pm

2 stops8h 48m

Portland

Mon 11/17

4:53 pm-11:04 pm

1 stop6h 11m

$224

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Tue 3/24

10:00 am-4:15 pm

1 stop6h 15m

Portland

Tue 3/31

4:50 pm-10:56 pm

1 stop6h 06m

$234

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Thu 12/4

6:00 am-10:47 am

1 stop4h 47m

Portland

Sun 12/7

6:15 am-10:05 am

1 stop3h 50m

$234

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Tue 3/24

7:59 pm-11:49 pm

1 stop3h 50m

Portland

Tue 3/31

4:50 pm-11:02 pm

1 stop6h 12m

$234

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

Wed 11/12

1:44 pm-6:10 pm

1 stop4h 26m

Portland

Sun 11/16

5:43 am-7:38 am

Nonstop1h 55m

$239

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Thu 11/20

8:45 am-1:36 pm

1 stop4h 51m

Portland

Sun 11/23

6:00 am-11:49 am

1 stop5h 49m

$239

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Fri 11/14

7:49 pm-11:54 pm

1 stop4h 05m

Portland

Sat 11/15

2:30 pm-7:08 pm

1 stop4h 38m

$239

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Fri 11/14

8:45 am-1:36 pm

1 stop4h 51m

Portland

Sun 11/16

7:22 pm-9:18 pm

Nonstop1h 56m

$247

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Mon 11/24

8:20 am-10:04 am

Nonstop1h 44m

Portland

Fri 11/28

7:22 pm-9:18 pm

Nonstop1h 56m

$249

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

Wed 11/12

12:35 pm-2:19 pm

Nonstop1h 44m

Portland

Sun 11/16

7:22 pm-9:18 pm

Nonstop1h 56m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 56 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 October.
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 October 24, 2025.

The best time to book flights from Washington, D.C. to Portland, Maine is 71 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 $117). 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 October 30, 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 17% 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 October 26, 2025.

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. Thursday 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 October 30, 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
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 4h 26m. Fly via Delta, American Airlines, or United Airlines to get the fastest option. Airlines will cover a distance of 481 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 American Airlines. United Airlines is 40% 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 Southwest ($128), American Airlines ($128), and United Airlines ($128).

  • 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, Baltimore/Washington - Portland or Washington, D.C. Reagan-National - Portland as they are the most popular.

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

    Consider Copa Airlines (92%), Avianca (87%) or Republic Airways (86%) 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 $292, our data shows the cheapest flight currently is $173. When looking at the most popular route, (Washington, D.C. Dulles Intl - Portland), you can expect to pay $189 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 $117). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$355FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$412FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$244Average$372FlexibilityNo 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.