AirHint found the following cheapest return flights from London (LCY) to Colombo (CMB) in March 2026 (see full year).

Return flights

10 Mar - 17 Mar	SWISS
12 Mar - 19 Mar	SWISS
01 Mar - 12 Mar	SWISS
03 Mar - 17 Mar	SWISS
17 Mar - 24 Mar	SWISS
13 Mar - 23 Mar	SWISS
03 Mar - 24 Mar	SWISS
03 Mar - 23 Mar	SWISS
04 Mar - 18 Mar	SWISS
06 Mar - 17 Mar	SWISS
31 Mar - 14 Apr	SWISS
20 Mar - 15 Apr	KLM
20 Mar - 14 Apr	SWISS
27 Mar - 05 Apr	SWISS
29 Mar - 15 Apr	ITA Airways
18 Mar - 07 Apr	SWISS
10 Mar - 21 Apr	SWISS
24 Mar - 09 Apr	SWISS
23 Mar - 09 Apr	SWISS
24 Mar - 07 Apr	SWISS

Also check the deals for one-way flights from London to Colombo 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 Colombo in March from 748€

Return flights