Cheapest return flights from Phoenix to London in September from $757

Best time to book flights for Phoenix (PHX) to London (LGW) flights at AirHint

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

Return flights

22 Sep - 31 Oct Spirit Airlines
08 Sep - 22 Sep Spirit Airlines
15 Sep - 25 Sep Spirit Airlines
21 Sep - 28 Sep Air Canada
14 Sep - 21 Sep Air Canada
24 Sep - 12 Oct Air Canada
28 Sep - 05 Oct Sun Country Airlines

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

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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