Cheapest return flights from Phoenix to London in April from $678

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

Return flights

28 Apr - 12 May Frontier Airlines
14 Apr - 21 Apr Scandinavian Airlines
13 Apr - 20 Apr Frontier Airlines
02 Apr - 12 Apr Frontier Airlines
30 Apr - 08 May Frontier Airlines
14 Apr - 27 Apr Frontier Airlines
30 Apr - 09 May Frontier Airlines
16 Apr - 20 Apr Frontier Airlines
21 Apr - 27 May Frontier Airlines
01 Apr - 15 Apr jetBlue
05 Apr - 21 Apr Frontier Airlines
03 Apr - 11 Apr Porter Airlines (Canada) Ltd
18 Apr - 25 Apr Frontier Airlines
22 Apr - 29 Apr Finnair direct
24 Apr - 02 May jetBlue
13 Apr - 13 May Frontier Airlines
22 Apr - 27 May jetBlue
28 Apr - 12 May Iberia direct
13 Apr - 13 May British Airways direct
30 Apr - 08 May American Airlines direct

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

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