Cheapest return flights from Philadelphia to Lisbon in July from $903

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

16 Jul - 23 Jul TAP
04 Jul - 18 Jul TAP
31 Jul - 14 Aug Finnair
31 Jul - 14 Aug Finnair direct
16 Jul - 23 Jul Finnair direct
01 Jul - 15 Jul TAP
16 Jul - 27 Jul British Airways direct
21 Jul - 28 Jul Delta
01 Jul - 15 Jul Iberia direct
04 Jul - 18 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.

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