Cheapest return flights from Phoenix to London in September from $603

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

Return flights

27 Sep - 10 Oct Air Canada
09 Sep - 23 Sep Air Canada
09 Sep - 16 Sep Air Canada
10 Sep - 24 Sep Air Canada
01 Sep - 15 Sep Lufthansa
01 Sep - 22 Sep Lufthansa
23 Sep - 30 Sep Air France
22 Sep - 30 Sep Delta
10 Sep - 22 Sep Iberia
24 Sep - 01 Oct British Airways direct
14 Sep - 01 Oct American Airlines direct
03 Sep - 10 Sep British Airways direct
09 Sep - 23 Sep American Airlines direct
18 Sep - 02 Oct Air Canada
25 Sep - 02 Oct American Airlines direct
22 Sep - 06 Oct American Airlines direct
26 Sep - 01 Oct Air Canada
15 Sep - 02 Oct Frontier Airlines
26 Sep - 13 Oct Air Canada
26 Sep - 06 Oct Delta

Also check the deals for one-way 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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