Cheapest return flights from Philadelphia to Lisbon in July from $703

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

30 Jul - 06 Aug Aer Lingus
02 Jul - 09 Jul British Airways
02 Jul - 09 Jul British Airways direct
15 Jul - 31 Jul British Airways
15 Jul - 31 Jul British Airways direct
02 Jul - 07 Jul British Airways
28 Jul - 02 Aug Aer Lingus
30 Jul - 06 Aug American Airlines direct
01 Jul - 08 Jul United
23 Jul - 30 Jul United
29 Jul - 05 Aug United
08 Jul - 15 Jul United
14 Jul - 21 Jul United
27 Jul - 01 Aug Finnair direct
20 Jul - 27 Jul United
26 Jul - 02 Aug United
28 Jul - 02 Aug 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.

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