Cheapest return flights from Phoenix to London in January from $652

AirHint found the following cheapest return flights from Phoenix (PHX) to London (LGW) in January 2026 (see full year).

Return flights

28 Jan - 23 Feb SWISS
29 Jan - 02 Feb Frontier Airlines
25 Jan - 10 Feb Frontier Airlines
28 Jan - 07 Feb SWISS
21 Jan - 25 Jan WestJet
21 Jan - 28 Jan WestJet
21 Jan - 26 Jan WestJet
29 Jan - 01 Feb WestJet
22 Jan - 27 Jan Air Canada
24 Jan - 27 Jan Frontier Airlines
21 Jan - 10 Feb WestJet
22 Jan - 30 Jan SWISS
25 Jan - 27 Jan jetBlue
20 Jan - 25 Jan Air Canada
18 Jan - 25 Jan Frontier Airlines
20 Jan - 27 Jan Icelandair
29 Jan - 20 Feb Icelandair

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

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