Cheapest one-way flights from Phoenix to London in May from $313

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

One-Way flights

04 May Frontier Airlines
11 May Frontier Airlines
05 May Frontier Airlines
08 May Frontier Airlines
19 May Frontier Airlines
30 May WestJet
29 May WestJet
21 May WestJet
27 May WestJet
05 May British Airways direct

Also check the deals for return flights from Phoenix to London in May.

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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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