Cheapest one-way flights from Phoenix to London in May from $368

Best time to book flights for Phoenix (PHX) to London (LHR) flights at AirHint

AirHint found the following cheapest one-way flights from Phoenix (PHX) to London (LHR) in May 2025 (see full year).

One-Way flights

05 May Frontier Airlines
18 May Frontier Airlines
06 May Frontier Airlines
15 May Frontier Airlines
31 May WestJet
21 May WestJet
24 May Frontier Airlines
09 May WestJet
16 May WestJet
06 May British Airways direct

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

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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