AirHint found the following cheapest return flights from Philadelphia (PHL) to Lisbon (LIS) in February 2026 (see full year).

Return flights

23 Feb - 02 Mar	Frontier Airlines
20 Feb - 23 Feb	Scandinavian Airlines
15 Feb - 24 Feb	SWISS
05 Feb - 09 Feb	Spirit Airlines
15 Feb - 24 Feb	Iberia	direct
12 Feb - 18 Feb	Iberia
26 Feb - 01 Mar	Spirit Airlines
23 Feb - 02 Mar	Iberia	direct
11 Feb - 18 Feb	British Airways
26 Feb - 01 Mar	Finnair	direct
14 Feb - 22 Feb	Air Canada
14 Feb - 21 Feb	Air Canada
14 Feb - 22 Feb	Iberia	direct
14 Feb - 21 Feb	Iberia	direct

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

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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Cheapest return flights from Philadelphia to Lisbon in February from $547

Return flights