Cheapest one-way flights from Phoenix to London in April from $312

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

One-Way flights

24 Apr Frontier Airlines
20 Apr Frontier Airlines
29 Apr Frontier Airlines
26 Apr Frontier Airlines
10 Apr jetBlue
11 Apr jetBlue
08 Apr United
29 Apr British Airways direct
30 Apr Finnair direct
04 Apr United

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

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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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