$124+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — IAD
Feb 28 — Mar 71
1 adult, Economy
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Cheapest flights from Portland to District of ColumbiaExplore 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 January 29, 2026.
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 January 29, 2026.
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 2/213:05 pm
PWM
- IAD
1 stop5h 58m
United Airlines
Tue 3/312:39 pm
IAD
- PWM
Nonstop1h 44m
United Airlines
Deal found 1/28![United Airlines logo]()
$199
This United Airlines deal was found by Cheapflights users on 1/27. 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 4/97:36 pm
PWM
- IAD
Nonstop1h 59m
United Airlines
Sun 4/125:10 pm
IAD
- PWM
Nonstop1h 51m
United Airlines
Deal found 1/27![United Airlines logo]()
$204
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Sat 2/213:05 pm
PWM
- IAD
1 stop5h 58m
United Airlines
Mon 3/25:34 pm
IAD
- PWM
1 stop5h 46m
United Airlines
Deal found 1/29![United Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:45 am
PWM
- DCA
1 stop4h 41m
Delta
Mon 4/67:45 pm
DCA
- PWM
1 stop3h 27m
Delta
Deal found 1/28![Delta logo]()
$209
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/183:05 pm
PWM
- IAD
1 stop5h 58m
United Airlines
Wed 2/2512:39 pm
IAD
- PWM
Nonstop1h 44m
United Airlines
Deal found 1/28![United Airlines logo]()
$214
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2112:45 pm
PWM
- DCA
1 stop5h 00m
Delta
Mon 3/22:32 pm
DCA
- PWM
2 stops9h 46m
Delta
Deal found 1/28![Delta logo]()
$214
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:30 am
PWM
- DCA
2 stops7h 20m
Delta
Tue 3/32:32 pm
DCA
- PWM
2 stops9h 46m
Delta
Deal found 1/27![Delta logo]()
$220
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:30 am
PWM
- IAD
1 stop4h 14m
Delta
Thu 2/266:00 am
IAD
- PWM
1 stop6h 00m
Delta
Deal found 1/28![Delta logo]()
$224
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/66:00 am
PWM
- DCA
1 stop6h 18m
United Airlines
Sun 3/87:00 am
DCA
- PWM
1 stop3h 49m
United Airlines
Deal found 1/28![United Airlines logo]()
$224
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:47 am
PWM
- DCA
Nonstop1h 49m
American Airlines
Mon 5/47:45 pm
DCA
- PWM
1 stop14h 09m
American Airlines
Deal found 1/27![American Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:30 am
PWM
- IAD
1 stop4h 14m
Delta
Tue 3/35:13 pm
IAD
- PWM
2 stops7h 05m
Delta
Deal found 1/28![Delta logo]()
$229
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 2/215:29 am
PWM
- DCA
Nonstop1h 56m
American Airlines
Mon 3/210:15 pm
DCA
- PWM
Nonstop1h 35m
American Airlines
Deal found 1/28![American Airlines logo]()
$233
Find 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 January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $199 (United Airlines) |
One-way from | $124 (Trip.com) |
Popular in | November |
Cheapest in | September |
Average price | $279 |
Good round-trip deal | $288 or less |
Good one-way deal | $164 or less |
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 January 29, 2026.
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 6/11
6:00 am-11:32 am
1 stop5h 32m
Washington, D.C. Dulles Intl
Sun 6/14
10:10 pm-11:50 pm
Nonstop1h 40m
$199
PortlandWashington, D.C.
PWM - IAD
PWMIAD
Portland
Wed 2/25
3:05 pm-9:03 pm
1 stop5h 58m
Washington, D.C. Dulles Intl
Wed 3/4
12:39 pm-2:23 pm
Nonstop1h 44m
$199
PortlandWashington, D.C.
PWM - IAD
PWMIAD
Portland
Thu 4/2
6:25 am-12:39 pm
1 stop6h 14m
Washington, D.C. Dulles Intl
Mon 4/6
7:59 pm-11:59 pm
1 stop4h 00m
$209
PortlandWashington, D.C.
PWM - IAD
PWMIAD
Portland
Thu 4/2
6:25 am-12:39 pm
1 stop6h 14m
Washington, D.C. Dulles Intl
Sun 4/5
8:02 pm-11:59 pm
1 stop3h 57m
$209
PortlandWashington, D.C.
PWM - IAD
PWMIAD
Portland
Sat 2/21
3:05 pm-9:03 pm
1 stop5h 58m
Washington, D.C. Dulles Intl
Tue 3/3
5:40 pm-11:20 pm
1 stop5h 40m
$209
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Wed 5/13
4:50 pm-10:51 pm
1 stop6h 01m
Washington, D.C. Reagan-National
Sat 5/16
6:00 am-11:01 am
1 stop5h 01m
$209
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Sat 7/4
6:00 am-12:19 pm
1 stop6h 19m
Washington, D.C. Reagan-National
Tue 7/7
4:00 pm-10:57 pm
1 stop6h 57m
$209
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Wed 2/25
6:30 am-10:26 am
1 stop3h 56m
Washington, D.C. Reagan-National
Tue 3/3
6:00 am-11:18 am
1 stop5h 18m
$209
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Thu 4/2
5:48 pm-11:05 pm
1 stop5h 17m
Washington, D.C. Reagan-National
Sun 4/5
5:09 pm-11:59 pm
1 stop6h 50m
$209
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Thu 3/5
6:00 am-12:18 pm
1 stop6h 18m
Washington, D.C. Reagan-National
Mon 3/9
7:00 am-10:49 am
1 stop3h 49m
$209
Showing 1-10 of 41 results
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, March is the cheapest month in which you can book a flight from Portland, Maine to District of Columbia (average of $47). Flying from Portland, Maine to District of Columbia in October is currently the most expensive (average of $137). 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 January 29, 2026.
It’s typically best to fly out from Portland, Maine to District of Columbia in the morning. Doing so could potentially save you 24% on the flight price compared to flying in the evening, 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 January 24, 2026.
Travelers seeking maximum savings on their Portland, Maine to District of Columbia flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 January 29, 2026.
The most flights from PWM to USDC are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 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 January 29, 2026.
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.
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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Alternative routes for Portland to District of Columbia
See prices for flight routes from nearby airports that may be better suited for you.
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 January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$176 | Average$258 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$189 | Average$313 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$205 | Average$315 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$237 | Average$357 | FlexibilityNo cancel fee | On-time63% |