Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Lisbon to Philadelphia
The cheapest flights right now
Lisbon – Philadelphia
Outbound – Oct 29, 2026
direct
7h 55m Return – Nov 5, 2026
direct
6h 50m $795
2 days ago
Lisbon – Philadelphia
Outbound – Nov 9, 2026
direct
7h 55m Return – Nov 16, 2026
direct
6h 50m $794
2 days ago
Lisbon – Philadelphia
Outbound – Nov 6, 2026
direct
7h 55m Return – Nov 16, 2026
direct
6h 50m $791
yesterday
Lisbon – Philadelphia
Outbound – Oct 29, 2026
direct
7h 55m Return – Nov 5, 2026
direct
6h 50m $789
2 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$831
Average price of a round trip
$963
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
7h45
A flight from Lisbon to Philadelphia takes on average 7h45.
Best time
July
According to user searches, the ideal month to go to Philadelphia is July.
Tips for finding a cheap flight from Lisbon to Philadelphia
Check out our tips for booking your flight to Philadelphia (USA) from Lisbon (Portugal) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is August, with an average flight ticket price of $407 (calculation over the last two years). The most touristic season corresponds to the months of September, August and August.
For the cheapest flights, it is advisable to buy your ticket at least 12 days before the departure date.
The airline offering the cheapest flight tickets is Ryanair. A ticket from the airline Ryanair to Philadelphia costs on average $863.
The airlines that offer the most flights are American Airlines, Finnair and British Airways.
info departure city :
Lisbon, Portugal
airport :
Lisbon-Humberto Delgado Airport (LIS)
local time :
Lisbon is a city in the country Portugal, the time zone is [[timezone]]. In Lisbon, it is currently {fromLocalTime}, the temperature is on average 26°C, with a minimum of 21°C and a maximum of 31°C.
The city of Lisbon has 1 airport(s): Lisbon-Humberto Delgado
destination info :
Philadelphia, USA
airports :
Philadelphia International Airport (PHL)
Northeast Philadelphia Airport (PNE)
local time :
Philadelphia is in the country USA, the time zone is [[timezone]]. In Philadelphia, it is currently {toLocalTime}, the temperature is on average 20°C, with a minimum of 17°C and a maximum of 24°C.
The city of Philadelphia (PHL) has 2 airport(s): Philadelphia International and Northeast Philadelphia
Useful info about Philadelphia
What is the least touristic period to go to Philadelphia?
If you want to visit Philadelphia during the least touristic period, choose the month of July.
What is the most popular time to travel to Philadelphia?
In Philadelphia, the most popular month is September. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Lisbon to Philadelphia?
According to our data, it is recommended to book your flight 12 days before your departure. If you book your flight ticket 2 weeks before your departure, you may find a price below average. You can also choose morning flights that are 1% cheaper than afternoon and evening flights. The cheapest day to book a flight from Lisbon to Philadelphia is Friday.
What are the arrival and destination airports when traveling between Lisbon and Philadelphia?
When you leave, you can leave from Lisbon-Humberto Delgado, and you will arrive at Philadelphia International.
How to reach Lisbon airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Lisbon to Philadelphia?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Lisbon and Philadelphia?
In summer, the average temperature is 24°C in Philadelphia and 21°C in Lisbon. The average rainfall in summer is 129 mm in Philadelphia and 6 mm in Lisbon. In summer, it is warmer in Philadelphia and it rains less in Lisbon. In winter, it is colder in Lisbon and it rains more in Philadelphia.
