AirHint found the following cheapest return flights from London (LON) to Cancun (CUN)
in December 2025 (see full year ).
Return flights
03 Dec
- 15 Dec
British Airways
631 €
direct
03 Dec
- 09 Dec
British Airways
640 €
direct
01 Dec
- 23 Dec
British Airways
640 €
direct
31 Dec
- 18 Jan
British Airways
640 €
direct
01 Dec
- 14 Dec
KLM
650 €
04 Dec
- 14 Dec
KLM
650 €
04 Dec
- 08 Dec
British Airways
661 €
direct
08 Dec
- 22 Dec
British Airways
661 €
direct
04 Dec
- 18 Dec
British Airways
670 €
direct
01 Dec
- 14 Dec
British Airways
673 €
direct
05 Dec
- 17 Dec
British Airways
681 €
direct
31 Dec
- 11 Jan
British Airways
700 €
direct
02 Dec
- 06 Jan
British Airways
708 €
direct
24 Dec
- 15 Jan
KLM
721 €
28 Dec
- 18 Jan
Virgin Atlantic
730 €
direct
02 Dec
- 05 Jan
Air Canada
731 €
15 Dec
- 11 Jan
KLM
761 €
27 Dec
- 03 Jan
Brussels Airlines
761 €
31 Dec
- 05 Jan
Air Canada
762 €
26 Dec
- 03 Jan
Brussels Airlines
765 €
Also check the deals for one-way flights from London to Cancun in December .
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.