AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Lisbon (LIS) in April 2026 (see full year).
One-Way flights
| 01 Apr | TAP | ||
| 02 Apr | TAP | ||
| 16 Apr | Aer Lingus | ||
| 01 Apr | Finnair | direct | |
| 02 Apr | Finnair | direct | |
| 16 Apr | American Airlines | direct |
Also check the deals for return flights from Philadelphia to Lisbon in April.
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