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

Return flights

07 Mar - 15 Mar	British Airways
03 Mar - 17 Mar	British Airways
17 Mar - 15 Apr	Gulf Air
05 Mar - 26 Mar	Etihad Airways
05 Mar - 19 Mar	Etihad Airways
12 Mar - 26 Mar	Etihad Airways
01 Mar - 15 Mar	British Airways
11 Mar - 18 Mar	Qatar Airways
09 Mar - 16 Mar	Etihad Airways
11 Mar - 25 Mar	Etihad Airways
12 Mar - 19 Mar	Etihad Airways
11 Mar - 21 Apr	British Airways
03 Mar - 20 Apr	Gulf Air
19 Mar - 19 Apr	Gulf Air
18 Mar - 08 Apr	Air India
19 Mar - 05 Apr	Air India
19 Mar - 04 Apr	Air India
19 Mar - 03 Apr	Air India
14 Mar - 05 Apr	Air India
20 Mar - 19 Apr	Gulf Air

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 $695

Return flights