
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $502 (FlightHub) |
One-way from | $454 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $738 |
Good round-trip deal | $835 or less |
Good one-way deal | $654 or less |
Fly from
Fly to
Route
Depart
Return
Price
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Fri 1/23
12:30 pm-6:45 pm
1 stop11h 15m
Washington, D.C. Dulles Intl
Sun 1/25
8:45 pm-11:35 am
1 stop9h 50m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Fri 1/23
4:40 pm-6:50 pm
1 stop31h 10m
Washington, D.C. Dulles Intl
Sun 1/25
12:23 pm-4:05 pm
2 stops22h 42m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 1/15
5:00 am-2:35 pm
1 stop14h 35m
Washington, D.C. Dulles Intl
Wed 1/28
5:38 pm-8:10 am
1 stop9h 32m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Sun 12/14
5:00 am-8:15 pm
1 stop20h 15m
Washington, D.C. Dulles Intl
Tue 12/30
10:05 pm-10:15 am
Nonstop7h 10m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Thu 1/15
5:00 am-4:05 pm
1 stop16h 05m
Washington, D.C. Dulles Intl
Wed 1/28
12:23 pm-11:20 am
2 stops17h 57m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Mon 2/23
5:00 am-4:05 pm
1 stop16h 05m
Washington, D.C. Dulles Intl
Sun 3/8
7:50 pm-11:20 am
1 stop11h 30m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Tue 12/2
3:30 pm-4:05 pm
1 stop29h 35m
Washington, D.C. Dulles Intl
Tue 12/9
6:50 pm-11:20 am
1 stop11h 30m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Tue 4/14
6:40 pm-7:00 pm
1 stop29h 20m
Washington, D.C. Dulles Intl
Wed 4/29
9:00 pm-11:50 am
1 stop9h 50m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Thu 1/15
5:00 am-5:53 pm
2 stops17h 53m
Washington, D.C. Reagan-National
Wed 1/28
5:00 pm-3:10 pm
2 stops17h 10m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Mon 2/23
6:10 am-3:35 pm
1 stop14h 25m
Washington, D.C. Dulles Intl
Sun 3/8
11:05 pm-10:15 am
Nonstop7h 10m
Currently, February is the cheapest month in which you can book a flight from Lisbon to District of Columbia (average of $485). 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 41% 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).
Food
Entertainment
Crew
Overall
Boarding
Comfort
Reviews
Sebrena,Oct 2025
IAH - RSW
Food
Entertainment
Crew
Overall
Boarding
Comfort
Reviews
Sebrena,Oct 2025
IAH - RSW
Food
Entertainment
Crew
Overall
Boarding
Comfort
Reviews
Sebrena,Oct 2025
IAH - RSW
Food
Entertainment
Crew
Overall
Boarding
Comfort
Reviews
Sebrena,Oct 2025
IAH - RSW
Food
Entertainment
Crew
Overall
Boarding
Comfort
Reviews
Sebrena,Oct 2025
IAH - RSW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$493 | Average$644 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$534 | Average$711 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$548 | Average$721 | FlexibilityNo cancel fee | On-timeN/A |