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

Return flights

17 Mar - 01 Apr	Gulf Air
05 Mar - 18 Mar	British Airways
04 Mar - 12 Mar	Gulf Air
18 Mar - 31 Mar	Gulf Air
22 Mar - 01 Apr	Gulf Air
03 Mar - 17 Mar	Gulf Air
03 Mar - 10 Mar	Gulf Air
04 Mar - 16 Mar	Gulf Air
01 Mar - 10 Mar	Gulf Air
03 Mar - 12 Mar	Gulf Air
13 Mar - 17 Mar	Gulf Air
16 Mar - 30 Mar	Gulf Air
19 Mar - 19 Apr	Gulf Air
21 Mar - 01 Apr	Gulf Air
10 Mar - 01 Apr	Gulf Air
10 Mar - 07 Apr	Air India
12 Mar - 07 Apr	Air India
15 Mar - 05 Apr	Air India
19 Mar - 06 Apr	Air India
15 Mar - 04 Apr	Air India

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 $659

Return flights