AirHint found the following cheapest return flights from Philadelphia (PHL) to Lisbon (LIS) in February 2026 (see full year).
Return flights
| 04 Feb - 11 Feb | SWISS | ||
| 22 Feb - 01 Mar | Delta | ||
| 12 Feb - 16 Feb | British Airways | ||
| 14 Feb - 21 Feb | Frontier Airlines | ||
| 14 Feb - 22 Feb | Frontier Airlines |
Also check the deals for one-way flights from Philadelphia to Lisbon in February.
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