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

Return flights

19 Nov - 26 Nov	Air Canada
05 Nov - 10 Nov	Air Canada
11 Nov - 18 Nov	Spirit Airlines
26 Nov - 01 Dec	Aer Lingus
20 Nov - 26 Nov	Air Canada
06 Nov - 12 Nov	Frontier Airlines
14 Nov - 22 Nov	Air Canada
08 Nov - 15 Nov	Spirit Airlines
26 Nov - 30 Nov	Aer Lingus
04 Nov - 09 Dec	Spirit Airlines
19 Nov - 24 Nov	Aer Lingus
20 Nov - 22 Nov	Air Canada
21 Nov - 01 Dec	Air Canada
25 Nov - 03 Dec	Aer Lingus
25 Nov - 01 Dec	Aer Lingus
23 Nov - 01 Dec	Spirit Airlines
26 Nov - 20 Dec	Spirit Airlines
21 Nov - 13 Dec	TAP

Also check the deals for one-way flights from Philadelphia to London 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 London in November from $504

Return flights