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

Return flights

03 Mar - 17 Mar	Gulf Air
11 Mar - 23 Mar	Air India
16 Mar - 24 Mar	Air India
02 Mar - 16 Mar	Air India
04 Mar - 18 Mar	Air India
05 Mar - 19 Mar	Air India
10 Mar - 17 Mar	Gulf Air
03 Mar - 11 Mar	Gulf Air
06 Mar - 26 Mar	LOT
12 Mar - 17 Mar	Gulf Air
12 Mar - 02 Apr	Gulf Air
04 Mar - 01 Apr	Air India
19 Mar - 23 Apr	Etihad Airways
18 Mar - 02 Apr	Air India
17 Mar - 03 Apr	Air India
01 Mar - 01 Apr	Air India
10 Mar - 02 Apr	Air India
15 Mar - 03 Apr	Air India
04 Mar - 04 Apr	SWISS
19 Mar - 30 Apr	Etihad Airways

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 $641

Return flights