Cheapest return flights from Phoenix to London in September from 414€

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

Return flights

23 Sep - 15 Oct Frontier Airlines
23 Sep - 08 Oct Frontier Airlines
19 Sep - 22 Sep Frontier Airlines
15 Sep - 22 Sep Spirit Airlines
07 Sep - 21 Sep Spirit Airlines
17 Sep - 30 Sep Air Canada
12 Sep - 21 Sep Frontier Airlines
03 Sep - 17 Sep Frontier Airlines
12 Sep - 16 Sep Air Canada
01 Sep - 15 Sep Spirit Airlines
03 Sep - 16 Sep jetBlue
01 Sep - 09 Sep Frontier Airlines
24 Sep - 08 Oct Hawaiian 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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