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

Return flights

19 Nov - 27 Nov	British Airways
28 Nov - 16 Dec	British Airways
28 Nov - 23 Dec	Finnair
28 Nov - 23 Dec	British Airways	direct
28 Nov - 16 Dec	Iberia	direct
18 Nov - 25 Nov	United
04 Nov - 11 Nov	United
26 Nov - 01 Dec	British Airways
15 Nov - 06 Dec	TAP
28 Nov - 21 Dec	British Airways	direct
15 Nov - 06 Dec	British Airways	direct
14 Nov - 06 Dec	British Airways	direct
13 Nov - 20 Nov	United
28 Nov - 05 Dec	United
20 Nov - 28 Nov	Air France
01 Nov - 08 Nov	United
21 Nov - 28 Nov	Air Canada
20 Nov - 28 Nov	British Airways	direct
20 Nov - 30 Nov	TAP
23 Nov - 30 Nov	United

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

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 November from 534€

Return flights