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

Return flights

22 Apr - 28 Apr	Air Canada
19 Apr - 25 Apr	Air Canada
28 Apr - 05 May	Air Canada
08 Apr - 21 Apr	SWISS
21 Apr - 06 May	SWISS
21 Apr - 07 May	SWISS
29 Apr - 09 May	SWISS
08 Apr - 18 Apr	SWISS
16 Apr - 20 Apr	SWISS
03 Apr - 07 Apr	Lufthansa
27 Apr - 26 May	Air Canada
26 Apr - 26 May	Air Canada
16 Apr - 26 Apr	SWISS
02 Apr - 10 Apr	Lufthansa
14 Apr - 27 Apr	Hawaiian Airlines
01 Apr - 06 Apr	Air Canada
29 Apr - 08 May	Alaska Airlines

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

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Phoenix to London in April from $598

Return flights