Cheapest one-way flights from Phoenix to London in September from $233

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

One-Way flights

29 Sep Frontier Airlines
28 Sep Frontier Airlines
26 Sep Frontier Airlines
25 Sep Frontier Airlines
23 Sep Frontier Airlines
22 Sep Frontier Airlines
19 Sep Frontier Airlines
18 Sep Frontier Airlines
21 Sep WestJet
30 Sep Iberia

Also check the deals for return 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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