Cheapest return flights from Philadelphia to London in January from 533€

AirHint found the following cheapest return flights from Philadelphia (PHL) to London (LHR) in January 2026 (see full year).

Return flights

30 Jan - 07 Feb jetBlue
21 Jan - 26 Jan jetBlue
21 Jan - 05 Feb Spirit Airlines
15 Jan - 22 Jan jetBlue
16 Jan - 25 Jan jetBlue
16 Jan - 01 Feb jetBlue
15 Jan - 25 Jan jetBlue
20 Jan - 12 Feb British Airways
12 Jan - 20 Jan Frontier Airlines
20 Jan - 12 Feb Finnair direct
29 Jan - 13 Feb Air Canada
17 Jan - 22 Jan Spirit Airlines
29 Jan - 13 Feb British Airways direct
29 Jan - 01 Feb Air Canada
16 Jan - 25 Jan British Airways direct
30 Jan - 07 Feb British Airways direct
29 Jan - 01 Feb British Airways direct
06 Jan - 28 Jan Frontier Airlines
15 Jan - 25 Jan British Airways direct
07 Jan - 18 Jan Frontier Airlines

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

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