Cheapest return LON–CUN flights, December

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

Return flights

01 Dec - 15 Dec Aer Lingus
01 Dec - 08 Dec Aer Lingus
01 Dec - 10 Dec Aer Lingus
30 Dec - 13 Jan British Airways direct
08 Dec - 23 Dec British Airways direct
30 Dec - 27 Jan British Airways direct
08 Dec - 15 Dec Aer Lingus
07 Dec - 16 Dec Virgin Atlantic
06 Dec - 16 Dec Virgin Atlantic direct
04 Dec - 06 Dec British Airways direct
01 Dec - 16 Dec Aer Lingus
10 Dec - 17 Dec Aer Lingus
25 Dec - 17 Jan British Airways direct
02 Dec - 06 Jan Finnair
31 Dec - 09 Jan British Airways
28 Dec - 22 Jan British Airways direct
05 Dec - 09 Jan Air Transat
29 Dec - 10 Jan British Airways
31 Dec - 09 Jan British Airways direct
22 Dec - 13 Jan British Airways direct

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

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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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