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
$ 760
direct
01 Dec
- 09 Dec
Lufthansa
$ 761
01 Dec
- 11 Dec
Lufthansa
$ 761
01 Dec
- 15 Dec
Lufthansa
$ 761
02 Dec
- 10 Dec
Air Canada
$ 777
09 Dec
- 14 Dec
Virgin Atlantic
$ 787
01 Dec
- 14 Dec
Virgin Atlantic
$ 788
05 Dec
- 14 Dec
Virgin Atlantic
$ 799
direct
05 Dec
- 15 Dec
Lufthansa
$ 803
06 Dec
- 16 Dec
SWISS
$ 808
28 Dec
- 14 Jan
Virgin Atlantic
$ 815
direct
31 Dec
- 11 Jan
Virgin Atlantic
$ 816
direct
09 Dec
- 08 Jan
Lufthansa
$ 835
16 Dec
- 13 Jan
Air Canada
$ 839
10 Dec
- 10 Jan
Lufthansa
$ 856
28 Dec
- 07 Jan
Virgin Atlantic
$ 873
direct
15 Dec
- 17 Jan
Air Canada
$ 873
29 Dec
- 07 Jan
Virgin Atlantic
$ 901
07 Dec
- 05 Jan
Air Canada
$ 918
29 Dec
- 12 Jan
Delta
$ 923
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.