Cheapest return flights from Philadelphia to Lisbon in October from 732€

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 October 2025 (see full year).

Return flights

31 Oct - 07 Nov United
07 Oct - 14 Oct TAP
15 Oct - 29 Oct Finnair
21 Oct - 28 Oct United
08 Oct - 13 Oct TAP
11 Oct - 18 Oct United
08 Oct - 13 Oct Iberia direct
15 Oct - 29 Oct Finnair direct

Also check the deals for one-way 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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