Cheapest return flights from London to Cancun in December from $665

AirHint found the following cheapest return flights from London (LON) to Cancun (CUN) in December 2025 (see full year).

Return flights

09 Dec - 16 Dec British Airways direct
31 Dec - 14 Jan British Airways direct
08 Dec - 12 Dec SWISS
10 Dec - 14 Dec SWISS
03 Dec - 17 Dec SWISS
08 Dec - 18 Dec British Airways direct
03 Dec - 17 Dec British Airways direct
08 Dec - 12 Dec British Airways direct
31 Dec - 24 Jan British Airways direct
10 Dec - 14 Dec British Airways direct
07 Dec - 17 Dec British Airways direct
01 Dec - 07 Dec SWISS
31 Dec - 12 Jan Air Canada
31 Dec - 12 Jan British Airways direct
15 Dec - 15 Jan Air Canada
11 Dec - 05 Jan Air Canada
29 Dec - 07 Jan SWISS
29 Dec - 19 Jan Lufthansa
29 Dec - 11 Jan Virgin Atlantic
12 Dec - 09 Jan Lufthansa

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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