Cheapest return flights from Philadelphia to Lisbon in March from 564€

Best time to book flights for Philadelphia (PHL) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to Lisbon (LIS) in March 2025 (see full year).

Return flights

09 Mar - 13 Mar Frontier Airlines
20 Mar - 26 Mar Frontier Airlines
05 Mar - 10 Mar Frontier Airlines
06 Mar - 10 Mar Spirit Airlines
25 Mar - 01 Apr Finnair
09 Mar - 18 Mar Lufthansa
06 Mar - 09 Mar Spirit Airlines
21 Mar - 28 Mar Finnair direct
08 Mar - 18 Mar Spirit Airlines
27 Mar - 03 Apr United
14 Mar - 20 Mar Frontier Airlines
14 Mar - 22 Mar Frontier Airlines

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

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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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