Cheapest return flights from Philadelphia to London in December from 594€

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

Return flights

03 Dec - 08 Dec Aer Lingus
13 Dec - 28 Dec Spirit Airlines
26 Dec - 31 Dec Aer Lingus
26 Dec - 02 Jan TAP
22 Dec - 03 Jan Spirit Airlines
21 Dec - 03 Jan Spirit Airlines
19 Dec - 23 Dec Spirit Airlines
27 Dec - 03 Jan Spirit Airlines

Also check the deals for one-way flights from Philadelphia to London in December.

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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