Cheapest return flights from Phoenix to London in September from $665

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

Return flights

16 Sep - 24 Sep SWISS
16 Sep - 23 Sep SWISS
23 Sep - 29 Sep SWISS
16 Sep - 25 Sep SWISS
08 Sep - 15 Sep SWISS
14 Sep - 27 Sep SWISS
24 Sep - 29 Sep SWISS
17 Sep - 20 Sep Lufthansa
07 Sep - 23 Sep Air Canada
18 Sep - 26 Sep American Airlines
25 Sep - 05 Oct Air Canada
21 Sep - 05 Oct jetBlue

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

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