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

Return flights

25 Aug - 16 Sep	Lufthansa
24 Aug - 15 Sep	Lufthansa
24 Aug - 16 Sep	Lufthansa
25 Aug - 30 Sep	Lufthansa
25 Aug - 29 Sep	Lufthansa
13 Aug - 15 Sep	Lufthansa
27 Aug - 14 Sep	Lufthansa
24 Aug - 14 Sep	Lufthansa
28 Aug - 14 Sep	Lufthansa
25 Aug - 14 Sep	KLM
07 Aug - 31 Aug	Lufthansa
19 Aug - 27 Aug	Lufthansa
12 Aug - 20 Aug	Lufthansa
18 Aug - 31 Aug	KLM
13 Aug - 31 Aug	KLM
17 Aug - 31 Aug	KLM
10 Aug - 31 Aug	KLM
13 Aug - 29 Aug	KLM
03 Aug - 17 Aug	SWISS
05 Aug - 22 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 842€

Return flights