Cheapest return flights from Phoenix to London in May from $770

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

Return flights

12 May - 22 May jetBlue
05 May - 19 May jetBlue
08 May - 15 May jetBlue
01 May - 15 May Frontier Airlines
01 May - 10 May Frontier Airlines
06 May - 21 May Finnair
14 May - 22 May jetBlue
01 May - 08 May jetBlue
05 May - 19 May Iberia direct
14 May - 24 May jetBlue
19 May - 03 Jun jetBlue
21 May - 01 Jun Frontier Airlines
23 May - 13 Jun WestJet
26 May - 09 Jun Lufthansa
23 May - 03 Jun jetBlue
21 May - 03 Jun jetBlue
22 May - 03 Jun jetBlue
24 May - 03 Jun jetBlue
21 May - 14 Jun WestJet
24 May - 14 Jun WestJet

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

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