Cheapest one-way flights from Philadelphia to Lisbon in October from $272

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

One-Way flights

19 Oct Spirit Airlines
03 Oct Frontier Airlines
10 Oct Spirit Airlines
15 Oct Spirit Airlines
01 Oct Spirit Airlines
15 Oct British Airways direct
19 Oct British Airways direct
01 Oct Finnair direct
10 Oct Finnair direct
03 Oct Finnair direct

Also check the deals for return flights from Philadelphia to Lisbon in October.

Skyscanner

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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