Cheapest return flights from Philadelphia to Lisbon in September from $620

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 September 2024 (see full year).

Return flights

24 Sep - 01 Oct Spirit Airlines
14 Sep - 21 Sep Aer Lingus
17 Sep - 29 Sep Aer Lingus
19 Sep - 30 Sep Aer Lingus
30 Sep - 29 Oct Iberia direct
04 Sep - 11 Sep Spirit Airlines
11 Sep - 16 Sep Spirit Airlines
20 Sep - 30 Sep Finnair
04 Sep - 11 Sep American Airlines direct
24 Sep - 01 Oct British Airways direct
19 Sep - 30 Sep Finnair direct
20 Sep - 30 Sep British Airways direct
17 Sep - 30 Sep Finnair direct

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

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon