Cheapest return flights from Philadelphia to Lisbon in March from 499€

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

Return flights

22 Mar - 31 Mar Aer Lingus
01 Mar - 31 Mar United
22 Mar - 31 Mar Finnair direct
18 Mar - 25 Mar American Airlines
01 Mar - 31 Mar Finnair direct
18 Mar - 25 Mar Iberia direct
02 Mar - 06 Mar Frontier Airlines
15 Mar - 21 Mar British Airways
07 Mar - 14 Mar Air Canada
07 Mar - 14 Mar Iberia direct
27 Mar - 04 Apr TAP
27 Mar - 04 Apr Finnair direct

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

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