Cheapest return flights from Philadelphia to Lisbon in October from $719

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

Return flights

29 Oct - 22 Nov jetBlue
19 Oct - 08 Nov TAP
23 Oct - 30 Oct Spirit Airlines
19 Oct - 08 Nov Iberia direct
22 Oct - 27 Oct Frontier Airlines
29 Oct - 22 Nov Iberia direct
21 Oct - 29 Oct American Airlines
21 Oct - 29 Oct American Airlines direct
22 Oct - 27 Oct Iberia direct

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

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