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

Return flights

14 Mar - 29 Mar	SWISS
23 Mar - 30 Mar	SWISS
23 Mar - 29 Mar	SWISS
24 Mar - 29 Mar	SWISS
13 Mar - 26 Mar	SWISS
10 Mar - 15 Mar	Air Canada
02 Mar - 08 Mar	SWISS
11 Mar - 16 Mar	Air Canada
12 Mar - 16 Mar	Air Canada
13 Mar - 16 Mar	Air Canada
13 Mar - 04 Apr	SWISS
24 Mar - 05 Apr	SWISS
24 Mar - 04 Apr	SWISS
23 Mar - 04 Apr	SWISS
18 Mar - 01 Apr	Air Canada
23 Mar - 05 Apr	SWISS
18 Mar - 02 Apr	Air Canada
24 Mar - 07 Apr	SWISS
20 Mar - 04 Apr	Air Canada
31 Mar - 05 Apr	Air Canada

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

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.

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Cheapest return flights from London to Cancun in March from 522€

Return flights