Cheapest return flights from Philadelphia to Lisbon in August from 577€

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

Return flights

18 Aug - 27 Aug jetBlue
22 Aug - 31 Aug Aer Lingus
11 Aug - 20 Aug Spirit Airlines
11 Aug - 20 Aug British Airways direct
18 Aug - 27 Aug British Airways direct
27 Aug - 06 Sep TAP
09 Aug - 19 Aug TAP
08 Aug - 19 Aug TAP
09 Aug - 19 Aug Iberia direct
28 Aug - 01 Sep TAP
01 Aug - 09 Aug TAP
10 Aug - 19 Aug TAP
14 Aug - 01 Sep TAP
26 Aug - 02 Sep United
31 Aug - 07 Sep United
28 Aug - 04 Sep United
27 Aug - 06 Sep Iberia direct

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

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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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