AirHint found the following cheapest return flights from London (LON) to Cancun (CUN)
in December 2025 (see full year ).
Return flights
03 Dec
- 14 Dec
Lufthansa
$ 593
08 Dec
- 15 Dec
British Airways
$ 616
direct
03 Dec
- 09 Dec
British Airways
$ 616
direct
03 Dec
- 10 Dec
British Airways
$ 616
direct
03 Dec
- 08 Dec
British Airways
$ 616
direct
10 Dec
- 24 Dec
British Airways
$ 616
direct
03 Dec
- 14 Dec
British Airways
$ 628
direct
07 Dec
- 16 Dec
British Airways
$ 629
direct
04 Dec
- 11 Dec
British Airways
$ 631
direct
06 Dec
- 14 Dec
Air Canada
$ 633
31 Dec
- 11 Jan
Virgin Atlantic
$ 689
direct
31 Dec
- 21 Jan
Delta
$ 698
11 Dec
- 07 Jan
Virgin Atlantic
$ 699
30 Dec
- 17 Jan
United
$ 699
24 Dec
- 18 Jan
KLM
$ 707
24 Dec
- 21 Jan
KLM
$ 707
11 Dec
- 07 Jan
British Airways
$ 720
direct
28 Dec
- 15 Jan
British Airways
$ 724
31 Dec
- 21 Jan
Virgin Atlantic
$ 727
direct
28 Dec
- 18 Jan
British Airways
$ 738
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.