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

Return flights

24 Aug - 23 Sep	Air India
31 Aug - 30 Sep	Air India
27 Aug - 23 Sep	Air India
25 Aug - 20 Sep	KLM
27 Aug - 17 Sep	KLM
27 Aug - 20 Sep	Etihad Airways
25 Aug - 22 Sep	Etihad Airways
27 Aug - 19 Sep	Etihad Airways
27 Aug - 12 Sep	Etihad Airways
25 Aug - 30 Sep	Etihad Airways
11 Aug - 25 Aug	Air India
23 Aug - 31 Aug	Aegean Airlines
19 Aug - 31 Aug	Air India
11 Aug - 31 Aug	Air India
10 Aug - 22 Aug	Air India
12 Aug - 22 Aug	Air India
17 Aug - 23 Aug	Qatar Airways
11 Aug - 23 Aug	Air India
14 Aug - 21 Aug	Qatar Airways
18 Aug - 31 Aug	Qatar Airways

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 618€

Return flights