Expect long lines at immigration for non-Schengen flights, especially in the morning and early afternoon.

Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $532 (Mytrip) |
One-way from | $306 (Kiwi.com) |
Popular in | September |
Cheapest in | February |
Average price | $875 |
Good round-trip deal | $939 or less |
Good one-way deal | $573 or less |
Fly from
Fly to
Route
Depart
Return
Price
LisbonPhiladelphia
LIS - PHL
LISPHL
Lisbon Humberto Delgado
Fri 12/5
7:05 am-11:34 pm
2 stops21h 29m
Philadelphia
Fri 12/12
12:42 pm-8:30 am
3 stops38h 48m
LisbonPhiladelphia
LIS - PHL
LISPHL
Lisbon Humberto Delgado
Sun 12/7
11:05 am-1:50 pm
Nonstop7h 45m
Philadelphia
Sun 12/14
6:35 pm-5:45 pm
1 stop18h 10m
LisbonPhiladelphia
LIS - PHL
LISPHL
Lisbon Humberto Delgado
Fri 12/5
11:05 am-1:50 pm
Nonstop7h 45m
Philadelphia
Fri 12/12
6:35 pm-10:25 pm
1 stop22h 50m
LisbonPhiladelphia
LIS - PHL
LISPHL
Lisbon Humberto Delgado
Fri 1/16
5:30 am-9:17 pm
2 stops20h 47m
Philadelphia
Fri 1/30
11:30 am-11:20 am
2 stops18h 50m
LisbonPhiladelphia
LIS - PHL
LISPHL
Lisbon Humberto Delgado
Thu 11/6
10:40 am-4:15 pm
1 stop34h 35m
Philadelphia
Mon 11/10
6:35 pm-9:55 pm
1 stop22h 20m
LisbonPhiladelphia
LIS - PHL
LISPHL
Lisbon Humberto Delgado
Fri 1/16
11:05 am-2:05 pm
Nonstop8h 00m
Philadelphia
Fri 1/30
7:45 pm-5:55 pm
1 stop17h 10m
LisbonPhiladelphia
LIS - PHL
LISPHL
Lisbon Humberto Delgado
Sun 12/7
5:30 am-4:56 pm
2 stops16h 26m
Philadelphia
Sun 12/14
5:36 pm-8:00 am
1 stop9h 24m
LisbonPhiladelphia
LIS - PHL
LISPHL
Lisbon Humberto Delgado
Fri 11/28
5:00 am-5:16 pm
2 stops17h 16m
Philadelphia
Sun 12/7
5:36 pm-3:10 pm
2 stops16h 34m
LisbonPhiladelphia
LIS - PHL
LISPHL
Lisbon Humberto Delgado
Sat 11/15
5:00 am-8:16 pm
2 stops20h 16m
Philadelphia
Thu 1/8
11:30 am-11:20 am
2 stops18h 50m
LisbonPhiladelphia
LIS - PHL
LISPHL
Lisbon Humberto Delgado
Tue 11/18
5:00 am-9:36 pm
2 stops21h 36m
Philadelphia
Thu 1/8
11:30 am-11:20 am
2 stops18h 50m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Lisbon to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from Lisbon to Philadelphia (average of $390). Flying from Lisbon to Philadelphia in August is currently the most expensive (average of $573). 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 Lisbon to Philadelphia as you normally would.
Food
Entertainment
Boarding
Crew
Comfort
Overall
Reviews
Anonymous,May 2025
FRA - DFW
Food
Entertainment
Boarding
Crew
Comfort
Overall
Reviews
Anonymous,May 2025
FRA - DFW
Food
Entertainment
Boarding
Crew
Comfort
Overall
Reviews
Anonymous,May 2025
FRA - DFW
Food
Entertainment
Boarding
Crew
Comfort
Overall
Reviews
Anonymous,May 2025
FRA - DFW
Food
Entertainment
Boarding
Crew
Comfort
Overall
Reviews
Anonymous,May 2025
FRA - DFW
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$573 | Average$633 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$573 | Average$805 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$680 | Average$965 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$696 | Average$928 | FlexibilityNo cancel fee | On-time70% |