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$108+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PWM
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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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 septiembre 15, 2025.

Round-trip from

$211
(Southwest)

One-way from

$108
(Southwest)

Popular in

July

Cheapest in

January

Average price

$315

Good round-trip deal

$254 or less

Good one-way deal

$170 or less
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. 10% potential increase in price ($36 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 September 2025
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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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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 septiembre 15, 2025.

This Southwest deal was found by Cheapflights users on 9/12. 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.
vie. 11/79:35 amBWI - PWM
Nonstop1h 35mSouthwest
mar. 11/1112:45 pmPWM - BWI
Nonstop1h 35mSouthwest
Deal found 9/12$211
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/109:40 amDCA - PWM
2 stops6h 26mDelta
vie. 12/194:53 pmPWM - DCA
1 stop6h 14mDelta
Deal found 9/14$219
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/257:59 pmIAD - PWM
1 stop4h 06mDelta
mié. 10/291:46 pmPWM - IAD
2 stops9h 14mDelta
Deal found 9/14$219
This United Airlines deal was found by Cheapflights users on 9/13. 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.
vie. 11/145:33 pmIAD - PWM
1 stop5h 44mUnited Airlines
dom. 11/165:30 amPWM - IAD
Nonstop2h 00mUnited Airlines
Deal found 9/13$221
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2911:35 amDCA - PWM
1 stop8h 36mAmerican Airlines
vie. 10/37:05 amPWM - DCA
1 stop8h 11mAmerican Airlines
Deal found 9/14$223
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/253:05 pmDCA - PWM
2 stops9h 00mDelta
mar. 10/285:42 amPWM - DCA
2 stops10h 38mDelta
Deal found 9/14$224
This Delta deal was found by Cheapflights users on 9/13. 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.
sáb. 9/278:17 pmIAD - PWM
1 stop4h 17mDelta
mié. 10/16:00 amPWM - IAD
2 stops10h 07mDelta
Deal found 9/13$224
This United Airlines deal was found by Cheapflights users on 9/14. 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.
sáb. 10/187:29 pmDCA - PWM
1 stop3h 51mUnited Airlines
sáb. 10/256:00 amPWM - DCA
1 stop4h 43mUnited Airlines
Deal found 9/14$226
This American Airlines deal was found by Cheapflights users on 9/13. 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.
sáb. 11/85:24 pmDCA - PWM
1 stop5h 08mAmerican Airlines
mar. 11/115:43 amPWM - DCA
Nonstop1h 55mAmerican Airlines
Deal found 9/13$227
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/233:28 pmDCA - PWM
1 stop7h 01mAmerican Airlines
mar. 10/76:00 amPWM - DCA
Nonstop1h 44mAmerican Airlines
Deal found 9/14$229
This American Airlines deal was found by Cheapflights users on 9/13. 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.
sáb. 9/278:59 amDCA - PWM
1 stop7h 18mAmerican Airlines
vie. 10/36:00 amPWM - DCA
Nonstop1h 44mAmerican Airlines
Deal found 9/13$234
This United Airlines deal was found by Cheapflights users on 9/12. 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.
dom. 10/198:16 amIAD - PWM
Nonstop1h 43mUnited Airlines
sáb. 10/255:45 amPWM - IAD
Nonstop1h 49mUnited Airlines
Deal found 9/12$235

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 septiembre 15, 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

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

vie. 11/7

9:35 am-11:10 am

Nonstop1h 35m

Portland

mar. 11/11

12:45 pm-2:20 pm

Nonstop1h 35m

$211

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

mié. 12/10

9:40 am-4:06 pm

2 stops6h 26m

Portland

vie. 12/19

4:53 pm-11:07 pm

1 stop6h 14m

$219

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

mié. 12/10

9:40 am-4:06 pm

2 stops6h 26m

Portland

jue. 12/18

6:15 am-10:05 am

1 stop3h 50m

$219

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

mié. 12/10

9:40 am-4:06 pm

2 stops6h 26m

Portland

dom. 12/14

4:53 pm-11:07 pm

1 stop6h 14m

$219

Washington, D.C.Portland

IAD - PWM

IADPWM

Washington, D.C. Dulles Intl

sáb. 10/25

7:59 pm-12:05 am

1 stop4h 06m

Portland

mié. 10/29

1:46 pm-11:00 pm

2 stops9h 14m

$219

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

sáb. 10/25

3:05 pm-12:05 am

2 stops9h 00m

Portland

mar. 10/28

5:42 am-4:20 pm

2 stops10h 38m

$224

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

sáb. 10/18

7:29 pm-11:20 pm

1 stop3h 51m

Portland

sáb. 10/25

6:00 am-10:43 am

1 stop4h 43m

$226

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

sáb. 11/1

12:00 pm-5:48 pm

1 stop5h 48m

Portland

dom. 11/2

5:00 am-10:53 am

1 stop5h 53m

$227

BaltimorePortland

BWI - PWM

BWIPWM

Baltimore/Washington

mié. 10/29

9:45 am-11:15 am

Nonstop1h 30m

Portland

mié. 10/29

1:55 pm-3:30 pm

Nonstop1h 35m

$237

Washington, D.C.Portland

DCA - PWM

DCAPWM

Washington, D.C. Reagan-National

sáb. 10/11

5:00 pm-12:05 am

1 stop7h 05m

Portland

jue. 10/23

5:00 pm-10:51 pm

1 stop5h 51m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 56 results
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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 September 12, 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Portland, Maine (average of $296). Flying from Washington, D.C. to Portland, Maine in July is currently the most expensive (average of $394). 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 septiembre 15, 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 23% on the cost of your flight, compared to a flight in the afternoon.

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 September 7, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Portland, Maine flight should consider departing on Monday 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.

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 septiembre 15, 2025.

The most flights from WAS to PWM are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

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 septiembre 15, 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
4,245 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

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
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

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
8.0
Very good
7,956 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

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
8,931 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

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
10,000 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

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 9 inbound flights from Washington, D.C. per day from 4 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 33m. Fly via Southwest, Delta, or American 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 39% 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 ($119), United Airlines ($119), and Delta ($124).

  • 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 (100%), Copa Airlines (93%) or United Airlines (82%) 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 $504, our data shows the cheapest flight currently is $119. When looking at the most popular route, (Washington, D.C. Dulles Intl - Portland), you can expect to pay $161 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 $296). Flying from Washington, D.C. to Portland, Maine in July is currently the most expensive (average of $394). 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
Brunswick
North Conway
Auburn
Conway
Lewiston

Browse thousands of different options on Cheapflights for your next trip

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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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$169Average$328FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$399FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$245Average$370FlexibilityNo cancel feeOn-time63%

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