
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (American Airlines) |
One-way from | $139 (American Airlines) |
Popular in | February |
Cheapest in | September |
Average price | $341 |
Good round-trip deal | $344 or less |
Good one-way deal | $195 or less |
Fly from
Fly to
Route
Depart
Return
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Fri 6/26
5:30 pm-10:55 pm
1 stop5h 25m
Washington, D.C. Reagan-National
Mon 6/29
6:20 am-12:30 pm
1 stop6h 10m
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Fri 5/1
5:26 pm-11:17 pm
1 stop5h 51m
Washington, D.C. Reagan-National
Tue 5/5
2:34 pm-11:24 pm
2 stops8h 50m
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Sat 4/25
6:00 am-4:36 pm
2 stops10h 36m
Washington, D.C. Reagan-National
Wed 4/29
2:34 pm-12:46 am
2 stops10h 12m
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Mon 5/4
4:43 pm-10:50 pm
1 stop6h 07m
Washington, D.C. Reagan-National
Tue 5/5
12:30 pm-11:24 pm
2 stops10h 54m
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Wed 5/6
11:35 am-6:35 pm
2 stops7h 00m
Washington, D.C. Reagan-National
Sun 5/10
7:40 pm-11:18 pm
1 stop3h 38m
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Wed 5/27
11:03 am-6:40 pm
2 stops7h 37m
Washington, D.C. Reagan-National
Fri 5/29
7:40 pm-11:18 pm
1 stop3h 38m
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Thu 4/16
6:30 am-1:54 pm
2 stops7h 24m
Washington, D.C. Reagan-National
Mon 4/20
2:34 pm-12:46 am
2 stops10h 12m
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Sat 5/2
3:39 pm-9:31 pm
1 stop5h 52m
Washington, D.C. Reagan-National
Tue 5/5
9:00 am-1:27 pm
1 stop4h 27m
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Sun 4/26
11:35 am-4:20 pm
1 stop4h 45m
Washington, D.C. Reagan-National
Sun 5/3
7:35 pm-11:24 pm
1 stop3h 49m
PortlandWashington, D.C.
PWM - DCA
PWMDCA
Portland
Wed 4/29
4:43 pm-10:50 pm
1 stop6h 07m
| 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 |
Booking 82 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.
Currently, April is the cheapest month in which you can book a flight from Portland, Maine to Washington, D.C. Reagan-National Airport (average of $118). Flying from Portland, Maine to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $152). 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.
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.
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Dane,Jan 2026
TYS - IAD
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Dane,Jan 2026
TYS - IAD
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$189 | Average$326 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$208 | Average$355 | FlexibilityNo cancel fee | On-time69% |