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
04 Mar - 17 Mar	Gulf Air
10 Mar - 17 Mar	Gulf Air
01 Mar - 12 Mar	Gulf Air
03 Mar - 12 Mar	Gulf Air
05 Mar - 12 Mar	Gulf Air
04 Mar - 12 Mar	Gulf Air
02 Mar - 11 Mar	Gulf Air
01 Mar - 30 Mar	Gulf Air
10 Mar - 23 Mar	Air India
16 Mar - 01 Apr	Air India
17 Mar - 07 Apr	Air India
16 Mar - 08 Apr	Air India
17 Mar - 04 Apr	Air India
16 Mar - 04 Apr	Air India
15 Mar - 01 Apr	Air India
01 Mar - 01 Apr	Air India
15 Mar - 05 Apr	Air India
18 Mar - 26 Apr	KLM
16 Mar - 18 Apr	KLM

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 549€

Return flights