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

One-Way flights

23 Oct	WestJet
08 Oct	Frontier Airlines
17 Oct	Frontier Airlines
02 Oct	WestJet
16 Oct	WestJet
15 Oct	WestJet
29 Oct	British Airways	direct
12 Oct	British Airways	direct
06 Oct	British Airways	direct
15 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 208€

One-Way flights