$144+ Cheap flights from Portland, ME (PWM) to Reagan-National (DCA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DCA
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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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 7, 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 7, 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.
Thu 9/246:00 am -
Nonstop1h 50m
Sat 9/268:00 pm -
Nonstop1h 45m
Deal found 9/2![American Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/26:00 am -
Nonstop1h 50m
Sat 10/38:00 pm -
Nonstop1h 45m
Deal found 9/3![American Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/282:40 pm -
Nonstop1h 44m
Deal found 9/4![American Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/96:00 am -
Nonstop1h 56m
Sun 10/117:50 am -
Nonstop1h 54m
Deal found 9/7![American Airlines logo]()
$280
This Delta deal was found by Cheapflights users on 9/3. 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 10/216:28 am -
2 stops10h 11m
Sat 10/2411:00 am -
1 stop4h 55m
Deal found 9/3![Delta logo]()
$282
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
Wed 9/3010:04 pm -
Nonstop1h 41m
Deal found 9/2![American Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/256:00 am -
1 stop4h 44m
Tue 9/295:55 pm -
1 stop5h 33m
Deal found 9/3![United Airlines logo]()
$288
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/165:37 pm -
Nonstop1h 52m
Sun 10/187:00 am -
1 stop3h 56m
Deal found 9/3![American Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 9/3. 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 10/296:28 am -
2 stops11h 30m
Sun 11/16:10 am -
1 stop5h 47m
Deal found 9/3![Delta logo]()
$293
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 7, 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 7, 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.
Fri 10/3011:55 am -
1 stop6h 04m
Sun 11/16:10 am -
2 stops7h 02m
Deal found 9/2![Delta logo]()
$304
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.
Mon 9/285:05 pm -
Nonstop1h 54m
Fri 10/210:04 pm -
Nonstop1h 41m
Deal found 9/2![American Airlines logo]()
$583
This Delta deal was found by Cheapflights users on 9/4. 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 2/1912:50 pm -
1 stop6h 29m
Sun 2/217:30 pm -
1 stop3h 36m
Deal found 9/4![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 9/5. 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 9/5![Delta logo]()
$334
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 9/264:45 pm -
1 stop6h 17m
Wed 9/302:45 pm -
2 stops9h 11m
Deal found 9/2![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 9/6. 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 12/227:00 am -
1 stop4h 33m
Tue 1/193:05 pm -
2 stops8h 01m
Deal found 9/6![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 9/6. 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 10/164:15 pm -
1 stop6h 40m
Tue 10/2012:27 pm -
2 stops10h 51m
Deal found 9/6![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 9/6. 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 9/296:02 am -
1 stop4h 04m
Fri 10/211:10 am -
1 stop4h 29m
Deal found 9/6![Delta logo]()
$496
This Delta deal was found by Cheapflights users on 9/4. 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 9/185:29 pm -
1 stop5h 18m
Mon 9/212:45 pm -
2 stops9h 11m
Deal found 9/4![Delta logo]()
$514
This Delta deal was found by Cheapflights users on 9/4. 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 9/2612:36 pm -
1 stop5h 55m
Tue 9/292:45 pm -
2 stops9h 11m
Deal found 9/4![Delta logo]()
$559
This Delta deal was found by Cheapflights users on 9/7. 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 9/2511:35 am -
2 stops7h 12m
Sun 9/275:05 pm -
1 stop6h 51m
Deal found 9/7![Delta logo]()
$574
Last-minute flights from Portland to Reagan-NationalDiscover last-minute flight deals from Portland to Reagan-National. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Reagan-National. Data last updated September 7, 2026 and is based on user searches.
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.
Thu 9/246:00 am -
Nonstop1h 50m
Sat 9/268:00 pm -
Nonstop1h 45m
Deal found 9/2![American Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/256:00 am -
1 stop4h 44m
Tue 9/295:55 pm -
1 stop5h 33m
Deal found 9/3![United Airlines logo]()
$288
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/282:40 pm -
Nonstop1h 44m
Deal found 9/4![American Airlines logo]()
$279
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
Wed 9/3010:04 pm -
Nonstop1h 41m
Deal found 9/2![American Airlines logo]()
$283
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/26:00 am -
Nonstop1h 50m
Sat 10/38:00 pm -
Nonstop1h 45m
Deal found 9/3![American Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 9/7. 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 10/96:00 am -
Nonstop1h 56m
Sun 10/117:50 am -
Nonstop1h 54m
Deal found 9/7![American Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/165:37 pm -
Nonstop1h 52m
Sun 10/187:00 am -
1 stop3h 56m
Deal found 9/3![American Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 9/3. 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 10/216:28 am -
2 stops10h 11m
Sat 10/2411:00 am -
1 stop4h 55m
Deal found 9/3![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 9/3. 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 10/296:28 am -
2 stops11h 30m
Sun 11/16:10 am -
1 stop5h 47m
Deal found 9/3![Delta logo]()
$293
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 7, 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 7, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$144
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.
Fri 9/256:00 am -
Nonstop1h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 9/3. 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 10/11:59 pm -
1 stop4h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$149
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 9/256:00 am -
1 stop5h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 9/3. 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 9/296:02 am -
2 stops7h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$162
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/306:00 am -
Nonstop1h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 9/3. 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 10/25:29 pm -
1 stop5h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$167
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.
Mon 11/26:07 am -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$172
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/146:00 am -
1 stop4h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$174
This American Airlines deal was found by Cheapflights users on 9/3. 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$182
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/106:00 am -
Nonstop1h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$184
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 7, 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 | $313 |
Good round-trip deal | $291 or less |
Good one-way deal | $163 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 7, 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
Thu 1/21
6:00 am-4:31 pm
2 stops10h 31m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
Quickest round-trip
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Fri 9/25
6:00 am-7:50 am
Nonstop1h 50m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Tue 10/6
6:04 am-10:09 am
1 stop4h 05m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Fri 9/25
6:00 am-11:59 am
1 stop5h 59m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$157
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Sat 10/10
6:00 am-10:44 am
1 stop4h 44m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$194
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Sun 10/4
6:30 am-10:17 am
1 stop3h 47m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$206
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Fri 2/12
6:00 am-10:29 am
1 stop4h 29m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$227
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Sun 11/8
11:55 am-5:59 pm
1 stop6h 04m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$227
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Thu 12/3
6:12 am-5:59 pm
2 stops11h 47m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$232
PortlandWashington, D.C.
PWM Portland - DCA Washington, D.C. Reagan-National
PWMDCA
Portland
Wed 10/7
6:28 am-4:39 pm
2 stops10h 11m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$232
Showing 1-10 of 22 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
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 7, 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 7, 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.
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
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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
Arlington
Owings Mills
Tysons
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Herndon
Rockville
Hyattsville
Fredericksburg
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Falls Church
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Clinton
Hunt Valley
Silver Spring
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Springfield
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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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$202 | Average$353 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$249 | Average$531 | FlexibilityNo cancel fee | On-time69% |