Cheapest return flights from Phoenix to London in September from $786

AirHint found the following cheapest return flights from Phoenix (PHX) to London (LHR) in September 2026 (see full year).

Return flights

08 Sep - 15 Sep jetBlue
15 Sep - 24 Sep jetBlue
16 Sep - 22 Sep jetBlue
16 Sep - 26 Sep jetBlue
16 Sep - 27 Sep jetBlue
15 Sep - 26 Sep jetBlue
22 Sep - 29 Sep Finnair
16 Sep - 25 Sep jetBlue
16 Sep - 23 Sep jetBlue
01 Sep - 09 Sep Finnair direct
26 Sep - 03 Oct jetBlue
24 Sep - 09 Oct jetBlue
26 Sep - 03 Oct Finnair direct
24 Sep - 09 Oct Aer Lingus direct

Also check the deals for one-way flights from Phoenix to London in September.

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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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