Cheapest return flights from Philadelphia to Lisbon in April from $575

AirHint found the following cheapest return flights from Philadelphia (PHL) to Lisbon (LIS) in April 2026 (see full year).

Return flights

12 Apr - 21 Apr British Airways
20 Apr - 26 Apr Aer Lingus
16 Apr - 20 Apr Air Canada
06 Apr - 21 Apr British Airways
16 Apr - 26 Apr United
03 Apr - 09 Apr Air Canada
16 Apr - 26 Apr Iberia direct
20 Apr - 26 Apr Finnair direct
06 Apr - 21 Apr Finnair direct
03 Apr - 09 Apr Iberia direct

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

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