Cheapest return flights from London to Colombo in September from $425

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

Return flights

26 Sep - 14 Oct Pegasus Airlines
21 Sep - 14 Oct Pegasus Airlines
28 Sep - 01 Oct Pegasus Airlines
25 Sep - 07 Oct Pegasus Airlines
21 Sep - 07 Oct Pegasus Airlines
25 Sep - 06 Oct Pegasus Airlines
25 Sep - 15 Oct Pegasus Airlines
20 Sep - 16 Oct Pegasus Airlines
21 Sep - 16 Oct Pegasus Airlines
18 Sep - 11 Oct Pegasus Airlines
19 Sep - 26 Sep Pegasus Airlines
18 Sep - 29 Sep AJet
18 Sep - 30 Sep Pegasus Airlines
20 Sep - 30 Sep Pegasus Airlines
27 Sep - 30 Sep Pegasus Airlines
20 Sep - 28 Sep Pegasus Airlines
26 Sep - 28 Sep AJet
19 Sep - 28 Sep Pegasus Airlines
18 Sep - 28 Sep Pegasus Airlines
23 Sep - 30 Sep Ryanair

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

Skyscanner

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

Feel free to contact us with any feedback or request another flight research.