AirHint found the following cheapest return flights from London (LON) to Colombo (CMB) in August 2025 (see full year).

Return flights

29 Aug - 28 Sep	Wizz Air UK
30 Aug - 30 Sep	Wizz Air UK
30 Aug - 28 Sep	Wizz Air UK
25 Aug - 22 Sep	Wizz Air
25 Aug - 30 Sep	Wizz Air
29 Aug - 25 Sep	Wizz Air UK
23 Aug - 24 Sep	Wizz Air UK
29 Aug - 30 Sep	Wizz Air UK
30 Aug - 27 Sep	Wizz Air UK
21 Aug - 28 Sep	Wizz Air UK
15 Aug - 19 Aug	Wizz Air
17 Aug - 20 Aug	Wizz Air
03 Aug - 13 Aug	Wizz Air UK
14 Aug - 20 Aug	Wizz Air UK
10 Aug - 20 Aug	Wizz Air UK
11 Aug - 18 Aug	Wizz Air
11 Aug - 20 Aug	Wizz Air
08 Aug - 20 Aug	Wizz Air UK
08 Aug - 18 Aug	Wizz Air UK
11 Aug - 15 Aug	Wizz Air

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 433€

Return flights