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
$ 739
direct
10 Dec
- 24 Dec
Virgin Atlantic
$ 739
direct
31 Dec
- 18 Jan
Virgin Atlantic
$ 743
direct
04 Dec
- 11 Dec
Virgin Atlantic
$ 749
02 Dec
- 09 Dec
Air Canada
$ 756
01 Dec
- 08 Dec
Air Canada
$ 756
31 Dec
- 13 Jan
Air Canada
$ 756
05 Dec
- 14 Dec
Virgin Atlantic
$ 782
direct
11 Dec
- 25 Dec
KLM
$ 784
30 Dec
- 13 Jan
Delta
$ 791
17 Dec
- 24 Dec
Virgin Atlantic
$ 793
direct
28 Dec
- 18 Jan
Virgin Atlantic
$ 793
direct
11 Dec
- 08 Jan
KLM
$ 805
16 Dec
- 13 Jan
Air Canada
$ 816
05 Dec
- 12 Dec
Virgin Atlantic
$ 821
direct
26 Dec
- 14 Jan
Virgin Atlantic
$ 836
direct
30 Dec
- 12 Jan
Delta
$ 845
30 Dec
- 11 Jan
Delta
$ 845
06 Dec
- 13 Dec
Air Canada
$ 846
20 Dec
- 03 Jan
British Airways
$ 849
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.