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

Return flights

01 Mar - 16 Mar	Icelandair
04 Mar - 10 Mar	jetBlue
01 Mar - 07 Mar	Icelandair
03 Mar - 17 Mar	jetBlue
18 Mar - 24 Mar	jetBlue
18 Mar - 30 Mar	jetBlue
02 Mar - 07 Mar	Icelandair
01 Mar - 15 Mar	Virgin Atlantic	direct
18 Mar - 25 Mar	jetBlue
03 Mar - 15 Mar	Icelandair
18 Mar - 01 Apr	jetBlue
19 Mar - 02 Apr	Avianca
22 Mar - 02 Apr	Avianca
18 Mar - 01 Apr	Virgin Atlantic	direct
24 Mar - 06 Apr	Avianca
23 Mar - 06 Apr	Avianca
19 Mar - 05 Apr	Avianca
23 Mar - 03 Apr	Avianca
23 Mar - 08 Apr	Avianca
22 Mar - 05 Apr	Avianca

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 590€

Return flights