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Washington, D.C.

$75+ Cheap flights from Portland, ME (PWM) to Washington, D.C. (WAS)

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — WAS
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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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

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3. Compare prices and book

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Cheapflights Tip: The best prices from Portland to Washington, D.C. are usually found in September or January, booked 84 days in advance, depart on a Friday or Wednesday and return on a Saturday

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

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Washington, D.C. (WAS). 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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$209
(American Airlines)

One-way from

$75
(Mytrip)

Popular in

April

Cheapest in

September

Average price

$337

Good round-trip deal

$279 or less

Good one-way deal

$155 or less
Provider with most accurate pricing for Portland-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Washington, D.C. (WAS) flights.
Search Deals
From Portland to Washington, D.C. (WAS)
Search Deals
One-way flight from Portland to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Portland to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from Portland to Washington, D.C. (WAS).
Search Deals

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

Cheapest flights from Portland to Washington, D.C.
Explore the most affordable flight options available from Portland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 6/275:35 amPWM - IAD
Nonstop1h 50mUnited Airlines
Mon 6/3010:14 pmIAD - PWM
Nonstop1h 45mUnited Airlines
Deal found 4/29$229
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/265:17 pmPWM - DCA
Nonstop1h 51mAmerican Airlines
Mon 6/302:54 pmDCA - PWM
Nonstop1h 52mAmerican Airlines
Deal found 4/29$229
This Delta deal was found by Cheapflights users on 4/29. 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 6/56:35 amPWM - DCA
2 stops8h 45mDelta
Tue 6/106:00 amDCA - PWM
1 stop4h 50mDelta
Deal found 4/29$234
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/96:00 amPWM - DCA
1 stop4h 36mUnited Airlines
Mon 5/127:18 pmDCA - PWM
1 stop4h 09mUnited Airlines
Deal found 4/29$239
This JetBlue deal was found by Cheapflights users on 4/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/52:15 pmPWM - DCA
1 stop4h 29mJetBlue
Fri 9/126:30 amDCA - PWM
1 stop6h 46mJetBlue
Deal found 4/28$243
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/47:45 amPWM - BWI
1 stop5h 14mAmerican Airlines
Sun 6/86:44 amBWI - PWM
1 stop7h 12mAmerican Airlines
Deal found 4/29$259
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/48:23 pmPWM - IAD
1 stop20h 13mFrontier
Fri 5/165:26 pmIAD - PWM
1 stop25h 00mFrontier
Deal found 4/29$265
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/121:20 pmPWM - BWI
Nonstop1h 40mSouthwest
Mon 6/1610:35 pmBWI - PWM
Nonstop1h 30mSouthwest
Deal found 4/28$265
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/307:35 amPWM - IAD
1 stop5h 47mAmerican Airlines
Mon 6/25:26 pmIAD - PWM
1 stop5h 40mAmerican Airlines
Deal found 4/29$267
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/29:30 pmPWM - BWI
1 stop21h 06mFrontier
Sun 5/49:16 pmBWI - PWM
1 stop23h 24mFrontier
Deal found 4/29$271
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 6/145:05 pmPWM - BWI
1 stop5h 59mDelta
Wed 6/189:25 amBWI - PWM
1 stop6h 50mDelta
Deal found 4/29$272
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 6/106:03 amPWM - IAD
2 stops10h 41mDelta
Wed 6/116:00 amIAD - PWM
1 stop6h 04mDelta
Deal found 4/29$308

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Washington, D.C. 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 April 30, 2025.
Use the filters below to find and compare flights from Portland to Washington, D.C. that are best for you.

Fly from

Portland

Fly to

Washington, D.C.

Route

Depart

Return

Price

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 6/26

10:05 am-11:55 am

Nonstop1h 50m

Washington, D.C. Dulles Intl

Sun 6/29

10:14 pm-11:59 pm

Nonstop1h 45m

$229

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 6/26

5:17 pm-7:08 pm

Nonstop1h 51m

Washington, D.C. Reagan-National

Mon 6/30

2:54 pm-4:46 pm

Nonstop1h 52m

$229

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 6/5

6:35 am-3:20 pm

2 stops8h 45m

Washington, D.C. Reagan-National

Tue 6/10

6:00 am-10:50 am

1 stop4h 50m

$234

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 5/9

6:00 am-10:36 am

1 stop4h 36m

Washington, D.C. Reagan-National

Mon 5/12

7:18 pm-11:27 pm

1 stop4h 09m

$239

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Fri 9/5

2:15 pm-6:44 pm

1 stop4h 29m

Washington, D.C. Reagan-National

Fri 9/12

6:30 am-1:16 pm

1 stop6h 46m

$243

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Wed 6/4

7:45 am-12:59 pm

1 stop5h 14m

Baltimore/Washington

Sun 6/8

6:44 am-1:56 pm

1 stop7h 12m

$259

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Thu 6/12

1:20 pm-3:00 pm

Nonstop1h 40m

Baltimore/Washington

Mon 6/16

10:35 pm-12:05 am

Nonstop1h 30m

$265

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Wed 6/4

7:45 am-1:22 pm

1 stop5h 37m

Washington, D.C. Dulles Intl

Sat 6/7

5:41 pm-10:44 pm

1 stop5h 03m

$265

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Wed 6/4

6:35 am-11:40 am

1 stop5h 05m

Washington, D.C. Dulles Intl

Sat 6/7

1:00 pm-7:55 pm

2 stops6h 55m

$270

PortlandBaltimore

PWM - BWI

PWMBWI

Portland

Fri 5/2

9:30 pm-6:36 pm

1 stop21h 06m

Baltimore/Washington

Sun 5/4

9:16 pm-8:40 pm

1 stop23h 24m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 35 results
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Compare providers for flights from Portland to Washington, D.C.

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 Portland to Washington, D.C. in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 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 Portland, Maine-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Washington, D.C. 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 Portland, Maine-Washington, D.C. 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 Portland to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Portland 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 Portland to Washington, D.C.

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

Use this chart to determine the optimal time to book a round-trip flight from Portland to Washington, D.C.. Price data was last updated on April 25, 2025.

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland, Maine to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Washington, D.C. (average of $309). Flying from Portland, Maine to Washington, D.C. in June is currently the most expensive (average of $373). 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 PWM to WAS?

Find hourly flight availability from Portland to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

It’s optimal to fly from Portland, Maine to Washington, D.C. in the afternoon. 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 Portland, Maine to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Portland to Washington, D.C.. Price data was last updated on March 30, 2025.

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

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated April 30, 2025.
To help decide which airline to fly from Portland to Washington, D.C., see what other customers have to say about Southwest, Delta and Avelo Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,295 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,929 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Avelo Airlines
7.5
Good
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very good
4,295 reviews

Food

7.1

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Portland to Washington, D.C.. 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 from for flights from Portland to Washington, D.C.?

    For a flight from Portland to Washington, D.C., you will be flying from Portland. Portland (PWM) is just 2.9 mi from the center of the city. Portland is the only Portland airport and it handles 4 outbound flights to Washington, D.C. per day. 4 airlines have flights to Washington, D.C. from Portland on a regular basis.

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

    According to our current data, American Airlines ($209), Frontier ($210), and United Airlines ($229) offers the cheapest pricing from Portland, Maine to Washington, D.C.. American Airlines is currently priced 26% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Portland, Maine to Washington, D.C. are Avelo Airlines ($75), American Airlines ($95), and Frontier ($101).

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

    The most popular flight routes from Portland, Maine to Washington, D.C. are Portland - Washington, D.C. Reagan-National, Portland - Washington, D.C. Dulles Intl and Portland - Baltimore/Washington.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portland, Maine to Washington, D.C. on time: Republic Airways (92%), Avianca (90%), Copa Airlines (89%).

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

    Looking at all options, your cheapest flight can be booked for $122. While the most popular route (Portland - Washington, D.C. Reagan-National) can be booked for $189 on average our data indicates $617 when flying from Portland, Maine to Washington, D.C..

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Washington, D.C. (average of $309). Flying from Portland, Maine to Washington, D.C. in June is currently the most expensive (average of $373). 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
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Bowie
National Harbor
Oxon Hill
Reston

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Top 4 airlines flying from Portland to Washington, D.C.

Discover the top 4 airlines that operate flights from Portland to Washington, D.C.. 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$148Average$373FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$187Average$426FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$188Average$351FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$251Average$350FlexibilityNo cancel feeOn-time63%

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