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District of Columbia

$147+ Cheap flights from Portland, ME (PWM) to District of Columbia

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Portland to District of Columbia

Keep the following information in mind while searching for Portland to District of Columbia flight deals. Data was last updated September 11, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$147
(United Airlines)

Popular in

August

Cheapest in

September

Average price

$238

Good round-trip deal

$268 or less

Good one-way deal

$197 or less
From Portland to District of Columbia
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One-way flight from Portland to District of Columbia
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($4 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 Portland to District of Columbia.
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Price to beat on a one-way flight from Portland to District of Columbia.
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Find flight deals from Portland to District of Columbia

Cheapest flights from Portland to District of Columbia
Explore the most affordable flight options available from Portland to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 10/35:45 amPWM - IAD
Nonstop1h 49mUnited Airlines
Sun 10/58:16 amIAD - PWM
Nonstop1h 43mUnited Airlines
Deal found 9/11$189
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/246:00 amPWM - DCA
Nonstop1h 44mAmerican Airlines
Sun 10/2610:09 amDCA - PWM
Nonstop1h 45mAmerican Airlines
Deal found 9/10$189
This Delta deal was found by Cheapflights users on 9/9. 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 10/245:00 pmPWM - DCA
1 stop5h 51mDelta
Sat 10/253:05 pmDCA - PWM
2 stops9h 00mDelta
Deal found 9/9$190
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/165:45 amPWM - IAD
Nonstop1h 49mUnited Airlines
Sun 10/198:16 amIAD - PWM
Nonstop1h 43mUnited Airlines
Deal found 9/10$191
This Delta deal was found by Cheapflights users on 9/11. 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 10/26:35 amPWM - IAD
1 stop5h 22mDelta
Sat 10/48:17 pmIAD - PWM
1 stop4h 17mDelta
Deal found 9/11$192
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/26:00 amPWM - DCA
1 stop3h 58mUnited Airlines
Sat 10/47:29 pmDCA - PWM
1 stop3h 51mUnited Airlines
Deal found 9/11$192
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/165:45 amPWM - IAD
Nonstop1h 49mUnited Airlines
Mon 10/208:30 amIAD - PWM
1 stop5h 23mUnited Airlines
Deal found 9/11$193
This Delta deal was found by Cheapflights users on 9/11. 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 12/64:53 pmPWM - DCA
1 stop6h 06mDelta
Wed 12/109:40 amDCA - PWM
2 stops6h 26mDelta
Deal found 9/11$193
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/147:22 pmPWM - IAD
Nonstop1h 56mUnited Airlines
Mon 11/178:20 amIAD - PWM
Nonstop1h 44mUnited Airlines
Deal found 9/9$194
This American Airlines deal was found by Cheapflights users on 9/9. 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 9/266:00 amPWM - DCA
Nonstop1h 44mAmerican Airlines
Tue 9/3010:04 pmDCA - PWM
Nonstop1h 41mAmerican Airlines
Deal found 9/9$194
This JetBlue deal was found by Cheapflights users on 9/11. 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.
Thu 10/22:17 pmPWM - DCA
1 stop5h 03mJetBlue
Tue 10/76:25 amDCA - PWM
1 stop6h 57mJetBlue
Deal found 9/11$197
This Delta deal was found by Cheapflights users on 9/10. 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 10/36:35 amPWM - IAD
1 stop5h 21mDelta
Sun 10/127:59 pmIAD - PWM
1 stop4h 06mDelta
Deal found 9/10$198

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to District of Columbia 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 September 11, 2025.
Use the filters below to find and compare flights from Portland to District of Columbia that are best for you.

Fly from

Portland

Fly to

District of Columbia

Route

Depart

Return

Price

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 10/2

6:35 am-11:57 am

1 stop5h 22m

Washington, D.C. Dulles Intl

Sat 10/4

8:17 pm-12:34 am

1 stop4h 17m

$192

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 10/16

8:00 am-12:19 pm

1 stop4h 19m

Washington, D.C. Reagan-National

Sat 10/18

7:29 pm-11:20 pm

1 stop3h 51m

$192

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 1/22

6:30 am-11:53 am

1 stop5h 23m

Washington, D.C. Dulles Intl

Sat 1/24

7:59 pm-11:49 pm

1 stop3h 50m

$192

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Fri 10/17

5:45 am-7:34 am

Nonstop1h 49m

Washington, D.C. Dulles Intl

Sun 10/19

8:16 am-9:59 am

Nonstop1h 43m

$194

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 10/2

2:17 pm-7:20 pm

1 stop5h 03m

Washington, D.C. Reagan-National

Tue 10/7

5:20 pm-11:04 pm

1 stop5h 44m

$197

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 1/22

6:30 am-2:24 pm

2 stops7h 54m

Washington, D.C. Reagan-National

Sat 1/24

6:00 am-11:00 am

1 stop5h 00m

$197

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Sat 12/6

4:53 pm-11:08 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Wed 12/10

7:59 pm-11:59 pm

1 stop4h 00m

$200

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 2/5

5:30 am-12:00 pm

1 stop6h 30m

Washington, D.C. Dulles Intl

Sun 2/8

7:59 pm-11:49 pm

1 stop3h 50m

$206

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 10/23

7:25 pm-9:15 pm

Nonstop1h 50m

Washington, D.C. Dulles Intl

Sun 10/26

8:20 am-10:04 am

Nonstop1h 44m

$207

PortlandWashington, D.C.

PWM - DCA

PWMDCA

Portland

Thu 1/8

6:00 am-4:32 pm

2 stops10h 32m

Washington, D.C. Reagan-National

Sat 1/10

3:05 pm-11:49 pm

2 stops8h 44m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 44 results
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Best time to book a flight from Portland to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia

What is the cheapest month to book a flight from Portland, Maine to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from Portland, Maine to District of Columbia (average of $292). Flying from Portland, Maine to District of Columbia in April is currently the most expensive (average of $337). 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 DC?

Find hourly flight availability from Portland to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to District of Columbia as you normally would.

Weekly flight availability from Portland, Maine to District of Columbia

Explore weekly flight availability from Portland to District of Columbia. 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 September 11, 2025.

The most flights from PWM to USDC are scheduled on a Wednesday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Portland to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

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
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

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
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

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
4,248 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

Entertainment

7.5

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 Portland to District of Columbia. 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 District of Columbia?

    For a flight from Portland to District of Columbia, you will be flying from Portland. Portland (PWM) is just 2.9 mi from the center of the city.

  • How long is the flight from Portland, Maine to District of Columbia?

    Delta, United Airlines, and JetBlue can get you from Portland, Maine to District of Columbia in just under 4h 19m. Your travel time can differ by up to 1h 03m. 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 most reliable airlines from Portland, Maine to District of Columbia?

    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 District of Columbia on time: GoJet (100%), Avianca (90%), United Airlines (80%).

  • What are the cheapest flights from Portland, Maine to District of Columbia?

    The cheapest flight price from Portland, Maine to District of Columbia is $143. On average you can expect to pay $740. The most popular route, (Portland - Washington, D.C. Dulles Intl), can usually be booked for $172.

  • Can I find deals for flights from Portland to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Portland to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to District of Columbia?

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

  • Can I find deals for business class flights from Portland to District of Columbia?

    Yes. Cheapflights offers flight deals from Portland to District of Columbia 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 District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Portland, Maine to District of Columbia (average of $292). Flying from Portland, Maine to District of Columbia in April is currently the most expensive (average of $337). 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.

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Top 4 airlines flying from Portland to District of Columbia

Discover the top 4 airlines that operate flights from Portland to District of Columbia. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$176Average$248FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$189Average$309FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$199Average$315FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$243Average$356FlexibilityNo cancel feeOn-time63%

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