
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $511 (American Airlines) |
One-way from | $310 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $688 |
Good round-trip deal | $653 or less |
Good one-way deal | $636 or less |
Fly from
Fly to
Route
Depart
Return
Price
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Wed 2/18
11:05 am-8:43 pm
1 stop14h 38m
Washington, D.C. Reagan-National
Wed 2/25
5:00 pm-9:50 pm
2 stops23h 50m
LisbonWashington, D.C.
LIS - IAD
LISIAD
Lisbon Humberto Delgado
Sun 3/1
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 2/3
5:00 am-4:05 pm
1 stop16h 05m
Washington, D.C. Dulles Intl
Mon 2/16
6:50 pm-11:20 am
1 stop11h 30m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Sun 3/1
11:05 am-8:48 pm
1 stop14h 43m
Washington, D.C. Reagan-National
Wed 3/25
12:04 pm-12:10 pm
2 stops20h 06m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Fri 2/20
11:05 am-8:46 pm
1 stop14h 41m
Washington, D.C. Reagan-National
Sat 2/28
3:59 pm-2:50 pm
2 stops17h 51m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Sun 3/1
11:05 am-8:48 pm
1 stop14h 43m
Washington, D.C. Reagan-National
Tue 3/24
1:48 pm-2:45 pm
2 stops20h 57m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Tue 3/3
11:05 am-8:43 pm
1 stop14h 38m
Washington, D.C. Reagan-National
Tue 3/24
6:14 pm-5:40 pm
2 stops19h 26m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Thu 3/5
10:55 am-8:43 pm
1 stop14h 48m
Washington, D.C. Reagan-National
Mon 3/23
1:48 pm-12:05 pm
2 stops18h 17m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Tue 3/3
11:05 am-8:43 pm
1 stop14h 38m
Washington, D.C. Reagan-National
Mon 3/23
1:48 pm-2:55 pm
2 stops21h 07m
LisbonWashington, D.C.
LIS - DCA
LISDCA
Lisbon Humberto Delgado
Mon 3/2
11:05 am-8:43 pm
1 stop14h 38m
Washington, D.C. Reagan-National
Tue 3/24
12:04 pm-2:45 pm
2 stops22h 41m
Currently, December 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 $688). 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.
When flying from Lisbon to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Crew
Food
Comfort
Entertainment
Overall
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Food
Comfort
Entertainment
Overall
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Food
Comfort
Entertainment
Overall
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Food
Comfort
Entertainment
Overall
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$497 | Average$726 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$500 | Average$644 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$561 | Average$720 | FlexibilityNo cancel fee | On-timeN/A |