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

Return flights

25 Aug - 19 Sep	IndiGo
19 Aug - 08 Sep	SriLankan Airlines
25 Aug - 14 Sep	IndiGo
25 Aug - 25 Sep	IndiGo
21 Aug - 02 Sep	Air Arabia
29 Aug - 05 Sep	Air Arabia
20 Aug - 08 Sep	Air Arabia
20 Aug - 27 Aug	Air Arabia
20 Aug - 06 Sep	Air Arabia
20 Aug - 05 Sep	Air Arabia
22 Aug - 07 Sep	Air Arabia
22 Aug - 24 Aug	Air Arabia
18 Aug - 31 Aug	Air Arabia
19 Aug - 26 Aug	Air Arabia
22 Aug - 23 Aug	Air Arabia
18 Aug - 23 Aug	Air Arabia
22 Aug - 25 Aug	Hahn Air Technologies
17 Aug - 18 Aug	SalamAir
16 Aug - 20 Aug	Emirates
24 Aug - 27 Aug	Emirates

Also check the deals for one-way flights from Colombo to London 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 London

Cheap car rent in London

Cheapest return flights from Colombo to London in August from 731€

Return flights