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

Return flights

24 Aug - 07 Sep	SWISS
27 Aug - 17 Sep	Lufthansa
31 Aug - 13 Sep	KLM
20 Aug - 03 Sep	SWISS
21 Aug - 03 Sep	KLM
07 Aug - 31 Aug	SWISS
20 Aug - 02 Sep	KLM
21 Aug - 30 Aug	SWISS
19 Aug - 09 Sep	SWISS
16 Aug - 01 Sep	SWISS
13 Aug - 23 Aug	SWISS
18 Aug - 31 Aug	KLM
02 Aug - 16 Aug	SWISS
09 Aug - 31 Aug	KLM
03 Aug - 24 Aug	SWISS
13 Aug - 28 Aug	Lufthansa
13 Aug - 30 Aug	Lufthansa
12 Aug - 30 Aug	Lufthansa
22 Aug - 02 Sep	SWISS
07 Aug - 02 Sep	SWISS

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

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 August from $1086

Return flights