Cheapest return LHR–CUN flights, May

AirHint found the following cheapest return flights from London (LHR) to Cancun (CUN) in May 2026 (see full year).

Return flights

18 May - 06 Jun KLM
13 May - 25 May Avianca
12 May - 24 May Avianca
18 May - 05 Jun KLM
17 May - 07 Jun Avianca
18 May - 02 Jun KLM
27 May - 09 Jun Icelandair
08 May - 25 May Avianca
08 May - 24 May Avianca
12 May - 28 May Avianca
09 May - 23 May Avianca
08 May - 23 May Avianca
25 May - 06 Jun Avianca
17 May - 02 Jun Avianca
15 May - 23 May Avianca
11 May - 21 May Avianca
17 May - 20 May Avianca
31 May - 10 Jun Avianca
24 May - 03 Jun Avianca
25 May - 02 Jun Avianca

Also check the deals for one-way flights from London to Cancun in May.

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