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

One-Way flights

15 Jul	jetBlue
14 Jul	jetBlue
16 Jul	TAP
03 Jul	TAP
02 Jul	Spirit Airlines
16 Jul	American Airlines	direct
15 Jul	American Airlines	direct
14 Jul	American Airlines	direct
10 Jul	British Airways	direct
04 Jul	British Airways	direct

Also check the deals for return flights from Philadelphia to Lisbon in July.

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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Cheapest one-way flights from Philadelphia to Lisbon in July from $332

One-Way flights