Cheapest return flights from Philadelphia to Lisbon in July from 1123€

Best time to book flights for Philadelphia (PHL) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to Lisbon (LIS) in July 2025 (see full year).

Return flights

13 Jul - 01 Aug Finnair
30 Jul - 06 Aug United
13 Jul - 01 Aug British Airways direct
13 Jul - 20 Jul Lufthansa
10 Jul - 24 Jul Finnair
10 Jul - 25 Jul Finnair
10 Jul - 17 Jul United
10 Jul - 24 Jul British Airways direct
10 Jul - 25 Jul British Airways direct
04 Jul - 11 Jul United
20 Jul - 27 Jul United
10 Jul - 26 Jul Finnair
11 Jul - 27 Jul Finnair direct

Also check the deals for one-way flights from Philadelphia to Lisbon in July.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon