
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $510 (American Airlines) |
One-way from | $461 (American Airlines) |
Popular in | July |
Cheapest in | September |
Average price | $637 |
Good round-trip deal | $599 or less |
Good one-way deal | $602 or less |
Fly from
Fly to
Route
Depart
Return
Price
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 3/19
6:30 am-5:30 pm
1 stop15h 00m
Washington, D.C. Dulles Intl
Mon 3/23
10:45 pm-6:55 pm
1 stop16h 10m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 3/19
8:20 am-5:30 pm
1 stop13h 10m
Washington, D.C. Dulles Intl
Sun 3/22
7:20 pm-9:45 pm
1 stop22h 25m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 1/22
8:20 am-4:30 pm
1 stop13h 10m
Washington, D.C. Dulles Intl
Wed 1/28
9:45 pm-5:40 pm
1 stop14h 55m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Thu 1/15
10:55 am-4:50 pm
1 stop10h 55m
Washington, D.C. Reagan-National
Wed 1/21
6:10 am-9:55 am
2 stops22h 45m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Fri 1/16
11:05 am-9:30 pm
1 stop15h 25m
Washington, D.C. Reagan-National
Sun 1/25
5:45 pm-5:45 pm
2 stops19h 00m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Wed 1/21
11:05 am-4:50 pm
1 stop10h 45m
Washington, D.C. Reagan-National
Sun 1/25
5:45 pm-5:45 pm
2 stops19h 00m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Wed 1/21
6:45 pm-4:30 pm
1 stop26h 45m
Washington, D.C. Dulles Intl
Fri 1/30
9:45 pm-5:55 pm
1 stop15h 10m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Thu 1/22
10:55 am-4:50 pm
1 stop10h 55m
Washington, D.C. Reagan-National
Wed 1/28
6:10 am-12:10 pm
2 stops25h 00m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Thu 1/15
10:55 am-9:30 pm
1 stop15h 35m
Washington, D.C. Reagan-National
Mon 1/19
1:35 pm-2:55 pm
2 stops20h 20m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Thu 1/22
10:55 am-9:30 pm
1 stop15h 35m
Washington, D.C. Reagan-National
Wed 2/4
6:34 pm-9:50 pm
2 stops22h 16m
Currently, December is the cheapest month in which you can book a flight from Lisbon to District of Columbia (average of $492). Flying from Lisbon to District of Columbia in July is currently the most expensive (average of $695). 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.
One of the essential ways to save on airfare from Lisbon to District of Columbia is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 42% on airfare.
The most flights from LIS to USDC are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).
Overall
Crew
Food
Entertainment
Comfort
Boarding
Reviews
Michelle,Dec 2025
DEN - MKE
Overall
Crew
Food
Entertainment
Comfort
Boarding
Reviews
Michelle,Dec 2025
DEN - MKE
Overall
Crew
Food
Entertainment
Comfort
Boarding
Reviews
Michelle,Dec 2025
DEN - MKE
Overall
Crew
Food
Entertainment
Comfort
Boarding
Reviews
Michelle,Dec 2025
DEN - MKE
Overall
Crew
Food
Entertainment
Comfort
Boarding
Reviews
Michelle,Dec 2025
DEN - MKE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$493 | Average$644 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$497 | Average$749 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$548 | Average$720 | FlexibilityNo cancel fee | On-timeN/A |