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

Return flights

31 Aug - 17 Sep	AJet
28 Aug - 18 Sep	AJet
28 Aug - 30 Sep	AJet
31 Aug - 30 Sep	AJet
30 Aug - 20 Sep	AJet
26 Aug - 20 Sep	Corendon Airlines
26 Aug - 30 Sep	Corendon Airlines
26 Aug - 18 Sep	Corendon Airlines
27 Aug - 24 Sep	AJet
25 Aug - 17 Sep	AJet
22 Aug - 31 Aug	Jet2
23 Aug - 31 Aug	AJet
26 Aug - 31 Aug	Pegasus Airlines
24 Aug - 31 Aug	Pegasus Airlines
25 Aug - 31 Aug	AJet
21 Aug - 31 Aug	AJet
23 Aug - 30 Aug	AJet
25 Aug - 29 Aug	AJet
23 Aug - 28 Aug	AJet
26 Aug - 29 Aug	Corendon Airlines

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.

Book a cheap hotel in Colombo

Cheap car rent in Colombo

Cheapest return flights from London to Colombo in August from $581

Return flights