$144+ Cheap flights from Portland, ME (PWM) to Reagan-National (DCA)
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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DCA
Oct 2 — Oct 91
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to Reagan-National with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Portland to Washington, D.C. Reagan-National are usually found in December or January, booked 75 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Portland to Reagan-National
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to Reagan-NationalExplore the most affordable flight options available from Portland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
Explore the most affordable flight options available from Portland to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/266:00 am -
Nonstop1h 50m
Mon 9/2810:04 pm -
Nonstop1h 41m
Deal found 9/2![American Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 9/1. 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 9/245:05 pm -
Nonstop1h 54m
Mon 9/282:40 pm -
Nonstop1h 44m
Deal found 9/1![American Airlines logo]()
$258
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/266:00 am -
Nonstop1h 50m
Tue 9/291:33 pm -
1 stop6h 05m
Deal found 9/2![American Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/175:38 pm -
Nonstop1h 52m
Sun 10/187:50 am -
Nonstop1h 54m
Deal found 9/2![American Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 9/1. 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.
Tue 11/104:10 pm -
Nonstop1h 58m
Fri 11/1310:05 pm -
Nonstop1h 49m
Deal found 9/1![American Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 9/1. 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 9/245:18 pm -
1 stop6h 41m
Sat 9/261:33 pm -
1 stop6h 05m
Deal found 9/1![American Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 9/2. 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 11/36:28 am -
1 stop6h 11m
Tue 11/172:00 pm -
2 stops10h 19m
Deal found 9/2![Delta logo]()
$282
This American Airlines deal was found by Cheapflights users on 9/1. 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 9/176:00 am -
Nonstop1h 50m
Tue 9/2210:04 pm -
Nonstop1h 41m
Deal found 9/1![American Airlines logo]()
$283
This American Airlines deal was found by Cheapflights users on 9/1. 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 10/227:24 pm -
1 stop4h 35m
Sun 10/256:10 am -
1 stop5h 16m
Deal found 9/1![American Airlines logo]()
$288
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Tue 11/245:45 am -
1 stop5h 13m
Fri 11/278:01 am -
Nonstop1h 48m
Deal found 9/2![American Airlines logo]()
$289
Best flights from Portland to Reagan-NationalDiscover carefully curated flight deals from Portland to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
Discover carefully curated flight deals from Portland to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
This Delta deal was found by Cheapflights users on 9/2. 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 11/146:00 am -
1 stop4h 02m
Mon 11/2311:05 am -
1 stop4h 11m
Deal found 9/2![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/246:00 am -
1 stop5h 59m
Tue 9/2910:30 am -
1 stop3h 21m
Deal found 9/2![United Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 8/31. 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 9/266:02 am -
1 stop4h 04m
Tue 9/2911:10 am -
1 stop4h 29m
Deal found 8/31![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 8/28. 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.
Fri 10/305:28 pm -
1 stop4h 57m
Sat 11/75:25 pm -
1 stop3h 36m
Deal found 8/28![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 8/28. 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 10/175:00 pm -
1 stop4h 03m
Sat 10/2411:00 am -
1 stop4h 55m
Deal found 8/28![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 8/29. 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 10/105:00 pm -
1 stop4h 03m
Mon 10/125:05 pm -
1 stop7h 05m
Deal found 8/29![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 8/30. 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 10/86:28 am -
1 stop3h 51m
Sun 10/117:20 pm -
1 stop3h 58m
Deal found 8/30![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 8/28. 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 10/105:00 pm -
1 stop4h 03m
Sun 10/117:20 pm -
1 stop3h 58m
Deal found 8/28![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 8/28. 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.
Fri 9/116:30 am -
1 stop6h 04m
Tue 9/156:10 am -
2 stops9h 29m
Deal found 8/28![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 8/30. 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 9/104:45 pm -
1 stop6h 17m
Tue 9/1512:32 pm -
2 stops10h 45m
Deal found 8/30![Delta logo]()
$347
This Delta deal was found by Cheapflights users on 8/28. 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.
Tue 10/206:28 am -
1 stop3h 51m
Thu 10/228:10 am -
1 stop5h 02m
Deal found 8/28![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 8/31. 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 10/271:52 pm -
1 stop4h 44m
Wed 10/2811:00 am -
1 stop5h 47m
Deal found 8/31![Delta logo]()
$363
Last-minute flights from Portland to Reagan-NationalDiscover last-minute flight deals from Portland to Reagan-National. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Reagan-National. Data last updated September 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/1. 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 9/176:00 am -
Nonstop1h 50m
Tue 9/2210:04 pm -
Nonstop1h 41m
Deal found 9/1![American Airlines logo]()
$283
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/185:05 pm -
Nonstop1h 54m
Mon 9/2110:04 pm -
Nonstop1h 41m
Deal found 8/31![American Airlines logo]()
$294
This American Airlines deal was found by Cheapflights users on 9/1. 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 9/245:05 pm -
Nonstop1h 54m
Mon 9/282:40 pm -
Nonstop1h 44m
Deal found 9/1![American Airlines logo]()
$258
This American Airlines deal was found by Cheapflights users on 9/1. 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 9/245:18 pm -
1 stop6h 41m
Sat 9/261:33 pm -
1 stop6h 05m
Deal found 9/1![American Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/266:00 am -
Nonstop1h 50m
Mon 9/2810:04 pm -
Nonstop1h 41m
Deal found 9/2![American Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/266:00 am -
Nonstop1h 50m
Tue 9/291:33 pm -
1 stop6h 05m
Deal found 9/2![American Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/175:38 pm -
Nonstop1h 52m
Sun 10/187:50 am -
Nonstop1h 54m
Deal found 9/2![American Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 9/1. 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 10/227:24 pm -
1 stop4h 35m
Sun 10/256:10 am -
1 stop5h 16m
Deal found 9/1![American Airlines logo]()
$288
One-way flights from Portland to Reagan-NationalSearch for one-way flight options from Portland to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
Search for one-way flight options from Portland to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Delta deal was found by Cheapflights users on 9/1. 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 12/16:00 am -
2 stops6h 59m
Deal found 9/1![Delta logo]()
$144
This American Airlines deal was found by Cheapflights users on 9/1. 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 10/25:05 pm -
Nonstop1h 54m
Deal found 9/1![American Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 9/1. 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 10/24:20 pm -
1 stop6h 39m
Deal found 9/1![Delta logo]()
$157
This Delta deal was found by Cheapflights users on 9/2. 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 10/16:02 am -
2 stops7h 58m
Deal found 9/2![Delta logo]()
$162
This American Airlines deal was found by Cheapflights users on 9/1. 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.
Tue 9/296:00 am -
Nonstop1h 50m
Deal found 9/1![American Airlines logo]()
$164
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 10/15:05 pm -
Nonstop1h 54m
Deal found 8/28![American Airlines logo]()
$172
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/16:00 am -
1 stop5h 59m
Deal found 8/31![United Airlines logo]()
$182
This American Airlines deal was found by Cheapflights users on 8/31. 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.
Tue 11/246:00 am -
Nonstop1h 59m
Deal found 8/31![American Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 8/31. 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 9/301:59 pm -
2 stops9h 03m
Deal found 8/31![Delta logo]()
$187
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/96:00 am -
1 stop4h 44m
Deal found 9/2![United Airlines logo]()
$192
This Expedia deal was found by Cheapflights users on 9/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am -
2 stops13h 56m
Deal found 9/1![JetBlue logo]()
$193
Find flight deals from Portland to Reagan-National
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Reagan-National (DCA). 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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (American Airlines) |
One-way from | $144 (Delta) |
Popular in | July |
Cheapest in | December |
Average price | $305 |
Good round-trip deal | $287 or less |
Good one-way deal | $211 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Reagan-National 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 7,457,451 searches. Data last updated September 2, 2026.
Use the filters below to find and compare flights from Portland to Washington, D.C. Reagan-National Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Sat 11/14
6:00 am-10:02 am
1 stop4h 02m
Washington, D.C. Reagan-National
Mon 11/23
11:05 am-3:16 pm
1 stop4h 11m
$277
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Sat 9/26
6:02 am-10:06 am
1 stop4h 04m
Washington, D.C. Reagan-National
Tue 9/29
11:10 am-3:39 pm
1 stop4h 29m
$299
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Fri 10/30
5:28 pm-10:25 pm
1 stop4h 57m
Washington, D.C. Reagan-National
Sat 11/7
5:25 pm-9:01 pm
1 stop3h 36m
$299
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Sat 10/17
5:00 pm-9:03 pm
1 stop4h 03m
Washington, D.C. Reagan-National
Sat 10/24
11:00 am-3:55 pm
1 stop4h 55m
$299
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Sat 10/10
5:00 pm-9:03 pm
1 stop4h 03m
Washington, D.C. Reagan-National
Mon 10/12
5:05 pm-12:10 am
1 stop7h 05m
$299
Quickest round-trip
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Thu 10/8
6:28 am-10:19 am
1 stop3h 51m
Washington, D.C. Reagan-National
Sun 10/11
7:20 pm-11:18 pm
1 stop3h 58m
$314
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Sat 10/10
5:00 pm-9:03 pm
1 stop4h 03m
Washington, D.C. Reagan-National
Sun 10/11
7:20 pm-11:18 pm
1 stop3h 58m
$314
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Fri 9/11
6:30 am-12:34 pm
1 stop6h 04m
Washington, D.C. Reagan-National
Tue 9/15
6:10 am-3:39 pm
2 stops9h 29m
$334
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Thu 9/24
6:00 am-11:59 am
1 stop5h 59m
Washington, D.C. Reagan-National
Tue 9/29
10:30 am-1:51 pm
1 stop3h 21m
$347
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Thu 9/10
4:45 pm-11:02 pm
1 stop6h 17m
Washington, D.C. Reagan-National
Tue 9/15
12:32 pm-11:17 pm
2 stops10h 45m
$347
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Portland to Reagan-National
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 Reagan-National in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Portland, Maine-Washington, D.C. Reagan-National Airport 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. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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. Reagan-National Airport 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 Reagan-National
Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Portland with our price prediction graph.
PWM-DCA
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. Reagan-National Airport
Prices
Airlines
How far ahead should I book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport?
Booking 14 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. Reagan-National Airport. 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. Reagan-National Airport?
Currently, December is the cheapest month in which you can book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport (average of $264). Flying from Portland, Maine to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $449). 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 DCA?
Find hourly flight availability from Portland to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 2, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Washington, D.C. Reagan-National Airport as you normally would.
Reviews of airlines servicing Reagan-National
Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated September 2, 2026.
Read through reviews of airlines operating flights from Portland to Washington, D.C. Reagan-National Airport, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Portland to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Reagan-National Airport?
Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locationsAlexandria
Owings Mills
Arlington
Tysons
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Woodbridge
Falls Church
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Silver Spring
Largo
Springfield
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Portland
Popular flights
Reagan-National flight routes
Alternative routes for Portland to Reagan-National
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Reagan-National by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Reagan-National by cabin class
Find flights from Portland to Reagan-National, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Reagan-National flights
Browse other Portland and Reagan-National flight options. Last updated on September 2, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Reagan-National
Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.
Top 2 airlines flying from Portland to Reagan-National
Discover the top 2 airlines that operate flights from Portland to Reagan-National. 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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$202 | Average$347 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$249 | Average$395 | FlexibilityNo cancel fee | On-time69% |