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District of Columbia

$126+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — IAD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$199
(United Airlines)

One-way from

$126
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$255

Good round-trip deal

$272 or less

Good one-way deal

$169 or less
Provider with most accurate pricing for Portland-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Portland-Washington, D.C. (WAS) flights.
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From Portland to District of Columbia
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One-way flight from Portland to District of Columbia
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Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
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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 October 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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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 11/139:54 amPWM - IAD
Nonstop1h 56mUnited Airlines
Mon 11/178:20 amIAD - PWM
Nonstop1h 44mUnited Airlines
Deal found 10/27$194
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:54 amPWM - IAD
Nonstop1h 56mUnited Airlines
Mon 11/178:20 amIAD - PWM
Nonstop1h 44mUnited Airlines
Deal found 10/28$199
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:22 pmPWM - IAD
Nonstop1h 56mUnited Airlines
Wed 11/1910:13 pmIAD - PWM
Nonstop1h 46mUnited Airlines
Deal found 10/28$204
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.
Thu 12/114:53 pmPWM - IAD
1 stop6h 15mDelta
Tue 12/166:00 amIAD - PWM
1 stop6h 13mDelta
Deal found 10/30$209
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.
Wed 12/34:53 pmPWM - DCA
1 stop6h 15mDelta
Sat 12/65:02 pmDCA - PWM
1 stop6h 57mDelta
Deal found 10/30$209
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 11/227:22 pmPWM - IAD
Nonstop1h 53mUnited Airlines
Tue 11/2512:35 pmIAD - PWM
Nonstop1h 44mUnited Airlines
Deal found 10/27$210
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.
Thu 12/46:15 amPWM - IAD
1 stop5h 24mDelta
Sat 12/611:06 amIAD - PWM
2 stops9h 45mDelta
Deal found 10/30$214
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.
Wed 12/34:53 pmPWM - DCA
1 stop6h 15mDelta
Mon 12/812:32 pmDCA - PWM
2 stops11h 27mDelta
Deal found 10/30$214
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:34 amPWM - DCA
Nonstop2h 00mAmerican Airlines
Sat 12/2010:15 pmDCA - PWM
Nonstop1h 33mAmerican Airlines
Deal found 10/29$218
This United 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 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
Tue 11/1812:35 pmIAD - PWM
Nonstop1h 44mUnited Airlines
Deal found 10/30$219
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.
Fri 11/145:43 amPWM - DCA
Nonstop1h 55mAmerican Airlines
Tue 11/1810:00 amDCA - PWM
Nonstop1h 46mAmerican Airlines
Deal found 10/30$219
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/207:22 pmPWM - IAD
Nonstop1h 56mUnited Airlines
Sun 11/238:20 amIAD - PWM
Nonstop1h 44mUnited Airlines
Deal found 10/27$220

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 October 30, 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

Wed 11/19

7:22 pm-9:18 pm

Nonstop1h 56m

Washington, D.C. Dulles Intl

Sat 11/22

10:13 pm-11:59 pm

Nonstop1h 46m

$204

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Wed 12/10

2:34 pm-7:19 pm

1 stop4h 45m

Washington, D.C. Dulles Intl

Sat 12/13

3:38 pm-10:23 pm

1 stop6h 45m

$209

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Fri 12/12

4:53 pm-11:08 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Sat 12/13

11:06 am-4:00 pm

1 stop4h 54m

$209

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 12/11

4:53 pm-11:08 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Sat 12/13

3:38 pm-10:23 pm

1 stop6h 45m

$209

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Sat 12/13

4:45 pm-11:08 pm

1 stop6h 23m

Washington, D.C. Dulles Intl

Tue 12/16

7:59 pm-11:59 pm

1 stop4h 00m

$209

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Wed 12/10

6:15 am-11:39 am

1 stop5h 24m

Washington, D.C. Dulles Intl

Wed 12/17

3:38 pm-10:23 pm

1 stop6h 45m

$209

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Fri 12/12

4:53 pm-11:08 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Mon 12/15

7:59 pm-11:59 pm

1 stop4h 00m

$209

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 1/22

6:17 am-11:43 am

1 stop5h 26m

Washington, D.C. Dulles Intl

Sat 1/24

6:00 am-12:08 pm

1 stop6h 08m

$209

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 12/4

4:53 pm-11:08 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Sat 12/6

6:00 am-12:13 pm

1 stop6h 13m

$209

PortlandWashington, D.C.

PWM - IAD

PWMIAD

Portland

Thu 12/11

4:53 pm-11:08 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Wed 12/17

7:59 pm-12:04 am

1 stop4h 05m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 35 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, January is the cheapest month in which you can book a flight from Portland, Maine to District of Columbia (average of $38). Flying from Portland, Maine to District of Columbia in September is currently the most expensive (average of $100). 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 October 30, 2025.

It’s typically best to fly out from Portland, Maine to District of Columbia in the evening. Doing so could potentially save you 14% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Portland, Maine to District of Columbia?

Use this chart to determine the cheapest time to fly round-trip from Portland to District of Columbia. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Portland, Maine to District of Columbia flight should consider departing on Friday evenings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 30, 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
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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?

    United Airlines and Delta can get you from Portland, Maine to District of Columbia in just under 1h 56m. Your travel time can differ by up to 2h 49m. 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 to fly from Portland, Maine to District of Columbia one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $128. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Portland, Maine to District of Columbia for a low price.

  • 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%), United Airlines (93%), Avianca (90%).

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

    The cheapest flight price from Portland, Maine to District of Columbia is $125. On average you can expect to pay $541. The most popular route, (Portland - Washington, D.C. Reagan-National), can usually be booked for $209.

  • 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, January is the cheapest month in which you can book a flight from Portland, Maine to District of Columbia (average of $38). Flying from Portland, Maine to District of Columbia in September is currently the most expensive (average of $100). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$176Average$258FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$189Average$313FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$194Average$300FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$239Average$355FlexibilityNo cancel feeOn-time63%

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