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

Return flights

01 May - 23 May	Scandinavian Airlines
12 May - 19 May	Scandinavian Airlines
12 May - 19 May	Iberia	direct
06 May - 30 May	jetBlue
02 May - 23 May	jetBlue
18 May - 26 May	jetBlue
10 May - 30 May	jetBlue
18 May - 25 May	jetBlue
06 May - 13 May	British Airways	direct
17 May - 25 May	jetBlue
12 May - 06 Jun	jetBlue
20 May - 13 Jun	jetBlue
26 May - 02 Jun	jetBlue
21 May - 01 Jun	jetBlue
29 May - 08 Jun	Scandinavian Airlines
12 May - 06 Jun	British Airways	direct
27 May - 02 Jun	jetBlue
29 May - 06 Jun	Scandinavian Airlines
24 May - 07 Jun	WestJet
28 May - 20 Jun	Air Canada

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

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 May from $627

Return flights