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

Return flights

04 Mar - 18 Mar	SWISS
11 Mar - 22 Mar	KLM
09 Mar - 29 Mar	KLM
09 Mar - 24 Mar	KLM
05 Mar - 22 Mar	KLM
16 Mar - 24 Mar	KLM
02 Mar - 18 Mar	KLM
12 Mar - 18 Mar	KLM
25 Mar - 29 Mar	KLM
24 Mar - 30 Mar	KLM
22 Mar - 30 Apr	SWISS
19 Mar - 05 Apr	KLM
17 Mar - 05 Apr	KLM
16 Mar - 06 Apr	KLM
24 Mar - 05 Apr	KLM
24 Mar - 06 Apr	KLM
25 Mar - 13 Apr	KLM
22 Mar - 02 Apr	SWISS
16 Mar - 04 Apr	KLM
23 Mar - 04 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.

Book a cheap hotel in Colombo

Cheap car rent in Colombo

Cheapest return flights from London to Colombo in March from 691€

Return flights