Cheapest return flights from Phoenix to London in December from 553€

AirHint found the following cheapest return flights from Phoenix (PHX) to London (LHR) in December 2025 (see full year).

Return flights

04 Dec - 10 Dec Scandinavian Airlines
03 Dec - 19 Dec Virgin Atlantic
08 Dec - 17 Dec Delta
07 Dec - 17 Dec Delta
01 Dec - 12 Dec Delta
30 Dec - 24 Jan Frontier Airlines
11 Dec - 14 Dec Frontier Airlines
01 Dec - 06 Dec Frontier Airlines
10 Dec - 07 Jan Frontier Airlines
04 Dec - 11 Dec British Airways direct
30 Dec - 24 Jan British Airways direct
16 Dec - 10 Jan Frontier Airlines
06 Dec - 13 Dec British Airways
01 Dec - 07 Jan jetBlue
13 Dec - 10 Jan Frontier Airlines
07 Dec - 20 Dec Delta
17 Dec - 10 Jan Frontier Airlines
14 Dec - 06 Jan Frontier Airlines
22 Dec - 17 Jan Frontier Airlines
30 Dec - 06 Jan British Airways

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

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