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

Return flights

31 Aug - 30 Sep	Gulf Air
24 Aug - 23 Sep	Air India
25 Aug - 22 Sep	Etihad Airways
20 Aug - 19 Sep	Etihad Airways
25 Aug - 20 Sep	Etihad Airways
24 Aug - 12 Sep	Etihad Airways
13 Aug - 24 Aug	KLM
10 Aug - 16 Aug	Air India
17 Aug - 15 Sep	Air India
31 Aug - 13 Sep	Etihad Airways
30 Aug - 13 Sep	SWISS
23 Aug - 20 Sep	Etihad Airways
25 Aug - 31 Aug	SWISS
18 Aug - 31 Aug	SWISS
20 Aug - 31 Aug	SWISS
17 Aug - 21 Aug	Gulf Air
17 Aug - 31 Aug	Gulf Air
04 Aug - 31 Aug	KLM
18 Aug - 28 Aug	SWISS
10 Aug - 31 Aug	KLM

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 621€

Return flights