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

Return flights

28 Oct - 04 Nov	Lufthansa
21 Oct - 04 Nov	Lufthansa
07 Oct - 21 Oct	Lufthansa
12 Oct - 22 Oct	Iberia	direct
22 Oct - 31 Oct	British Airways	direct
01 Oct - 09 Oct	Air Canada
14 Oct - 21 Oct	Air Canada
27 Oct - 11 Nov	Delta
01 Oct - 10 Oct	Delta
02 Oct - 08 Oct	Lufthansa
06 Oct - 27 Oct	Lufthansa
24 Oct - 30 Oct	Lufthansa
29 Oct - 06 Nov	Air France
20 Oct - 03 Nov	Lufthansa
03 Oct - 07 Oct	Lufthansa
07 Oct - 10 Nov	Virgin Atlantic
12 Oct - 01 Nov	British Airways	direct
15 Oct - 08 Nov	British Airways	direct
23 Oct - 04 Nov	Air Canada
13 Oct - 08 Nov	British Airways	direct

Also check the deals for one-way 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 return flights from Phoenix to London in October from 408€

Return flights