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

Return flights

09 Apr - 06 May	SWISS
22 Apr - 06 May	SWISS
28 Apr - 13 May	SWISS
05 Apr - 06 May	SWISS
20 Apr - 07 May	SWISS
25 Apr - 09 May	SWISS
21 Apr - 07 May	SWISS
20 Apr - 19 May	Lufthansa
16 Apr - 07 May	SWISS
20 Apr - 05 May	SWISS
02 Apr - 16 Apr	Lufthansa
10 Apr - 23 Apr	Lufthansa
08 Apr - 15 Apr	SWISS
01 Apr - 08 Apr	SWISS
09 Apr - 23 Apr	SWISS
01 Apr - 15 Apr	Lufthansa
13 Apr - 23 Apr	Lufthansa
07 Apr - 21 Apr	SWISS
03 Apr - 15 Apr	Lufthansa
10 Apr - 27 Apr	SWISS

Also check the deals for one-way flights from London to Colombo in April.

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 April from 769€

Return flights