Cheapest return flights from London to Cancun in December from 643€

Best time to book flights for London (LHR) to Cancun (CUN) flights at AirHint

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

Return flights

03 Dec - 10 Dec Lufthansa
03 Dec - 23 Dec Lufthansa
03 Dec - 09 Dec Lufthansa
01 Dec - 10 Dec SWISS
02 Dec - 23 Dec SWISS
01 Dec - 15 Dec SWISS
04 Dec - 11 Dec SWISS
08 Dec - 16 Dec SWISS
04 Dec - 18 Dec SWISS
06 Dec - 16 Dec SWISS
31 Dec - 08 Jan Air Canada
29 Dec - 12 Jan Air Canada
28 Dec - 14 Jan Austrian Airlines
31 Dec - 10 Jan Air Canada
01 Dec - 05 Jan Air Canada
26 Dec - 15 Jan Air Canada
26 Dec - 12 Jan Air Canada
30 Dec - 16 Jan TAP
30 Dec - 10 Jan Austrian Airlines
29 Dec - 08 Jan Air Canada

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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