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

One-Way flights

18 Oct	Frontier Airlines
12 Oct	Spirit Airlines
15 Oct	Hawaiian Airlines
29 Oct	WestJet
19 Oct	WestJet
25 Oct	WestJet
12 Oct	British Airways	direct
15 Oct	British Airways	direct
29 Oct	British Airways	direct
28 Oct	British Airways	direct

Also check the deals for return flights from Phoenix to London in October.

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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Cheapest one-way flights from Phoenix to London in October from $286

One-Way flights