Cheapest return flights from London to Cancun in December from $739

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 - 17 Dec Virgin Atlantic direct
10 Dec - 24 Dec Virgin Atlantic direct
31 Dec - 18 Jan Virgin Atlantic direct
04 Dec - 11 Dec Virgin Atlantic
02 Dec - 09 Dec Air Canada
01 Dec - 08 Dec Air Canada
31 Dec - 13 Jan Air Canada
05 Dec - 14 Dec Virgin Atlantic direct
11 Dec - 25 Dec KLM
30 Dec - 13 Jan Delta
17 Dec - 24 Dec Virgin Atlantic direct
28 Dec - 18 Jan Virgin Atlantic direct
11 Dec - 08 Jan KLM
16 Dec - 13 Jan Air Canada
05 Dec - 12 Dec Virgin Atlantic direct
26 Dec - 14 Jan Virgin Atlantic direct
30 Dec - 12 Jan Delta
30 Dec - 11 Jan Delta
06 Dec - 13 Dec Air Canada
20 Dec - 03 Jan British Airways

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

Skyscanner

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.

Book a cheap hotel in Cancun

Cheap car rent in Cancun