Cheapest return flights from Philadelphia to Lisbon in April from 616€

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 April 2025 (see full year).

Return flights

03 Apr - 08 Apr Frontier Airlines
29 Apr - 10 May Aer Lingus
01 Apr - 12 Apr Lufthansa
24 Apr - 02 May Spirit Airlines
10 Apr - 28 Apr Frontier Airlines
15 Apr - 21 Apr Frontier Airlines
30 Apr - 27 May TAP
30 Apr - 07 May United
09 Apr - 16 Apr United
13 Apr - 19 Apr Frontier Airlines
16 Apr - 26 Apr Air Canada
17 Apr - 25 Apr Air Canada
24 Apr - 01 May United
27 Apr - 04 May United
03 Apr - 10 Apr United
06 Apr - 13 Apr United
29 Apr - 10 May British Airways direct
24 Apr - 02 May British Airways direct
30 Apr - 27 May British Airways direct

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

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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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