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
$ 698
direct
09 Dec
- 23 Dec
British Airways
$ 698
direct
02 Dec
- 10 Dec
British Airways
$ 698
direct
31 Dec
- 13 Jan
British Airways
$ 698
direct
03 Dec
- 10 Dec
British Airways
$ 699
direct
10 Dec
- 13 Jan
British Airways
$ 706
direct
11 Dec
- 14 Dec
Virgin Atlantic
$ 721
01 Dec
- 07 Dec
Virgin Atlantic
$ 721
02 Dec
- 07 Dec
Virgin Atlantic
$ 721
11 Dec
- 14 Dec
British Airways
$ 737
direct
30 Dec
- 14 Jan
Lufthansa
$ 739
11 Dec
- 15 Dec
Virgin Atlantic
$ 749
11 Dec
- 15 Dec
British Airways
$ 751
direct
30 Dec
- 13 Jan
Lufthansa
$ 759
31 Dec
- 10 Jan
British Airways
$ 788
direct
08 Dec
- 08 Jan
Lufthansa
$ 793
17 Dec
- 14 Jan
Virgin Atlantic
$ 793
direct
04 Dec
- 10 Jan
British Airways
$ 811
direct
30 Dec
- 13 Jan
British Airways
$ 811
direct
30 Dec
- 14 Jan
British Airways
$ 811
direct
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.