AirHint found the following cheapest return flights from London (LGW) to Cancun (CUN) in August 2026 (see full year).

Return flights

29 Aug - 11 Sep	British Airways	direct
18 Aug - 16 Sep	British Airways	direct
19 Aug - 26 Aug	Air Transat
12 Aug - 26 Aug	Air Transat
21 Aug - 24 Aug	Air Transat
14 Aug - 23 Aug	Air Transat
05 Aug - 19 Aug	Air Transat
28 Aug - 04 Sep	Air Europa
04 Aug - 14 Aug	Air Transat
28 Aug - 05 Sep	Air Europa
01 Aug - 26 Sep	British Airways	direct
19 Aug - 31 Aug	Vueling Airlines
06 Aug - 14 Aug	Vueling Airlines
01 Aug - 18 Aug	Vueling Airlines
16 Aug - 27 Aug	Air Europa
28 Aug - 04 Sep	TUI	direct

Also check the deals for one-way flights from London to Cancun in August.

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.

Book a cheap hotel in Cancun

Cheap car rent in Cancun

Cheapest return flights from London to Cancun in August from $889

Return flights