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
17 May - 22 May Avianca
13 May - 25 May Avianca
12 May - 24 May Avianca
18 May - 05 Jun KLM
08 May - 25 May Avianca
16 May - 21 May Avianca
15 May - 23 May Avianca
07 May - 22 May Avianca
09 May - 22 May Avianca
13 May - 22 May Avianca
14 May - 28 May Avianca
24 May - 03 Jun Avianca
25 May - 02 Jun Avianca
25 May - 08 Jun Avianca
25 May - 05 Jun Avianca
28 May - 03 Jun Avianca
26 May - 02 Jun Avianca
23 May - 27 Jun Avianca
29 May - 06 Jun Avianca

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

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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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