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

Return flights

06 Oct - 21 Oct	Air Canada
14 Oct - 25 Oct	Air Canada
08 Oct - 26 Oct	Air Canada
06 Oct - 14 Oct	Air Canada
01 Oct - 08 Oct	British Airways	direct
22 Oct - 29 Oct	British Airways	direct
01 Oct - 10 Oct	British Airways	direct
06 Oct - 14 Oct	British Airways	direct
06 Oct - 21 Oct	British Airways	direct
07 Oct - 14 Oct	British Airways	direct
27 Oct - 03 Nov	United
27 Oct - 03 Nov	British Airways	direct
10 Oct - 15 Nov	Delta

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 477€

Return flights