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

Return flights

05 Sep - 20 Sep	Air Arabia
08 Sep - 19 Sep	Wizz Air Malta
08 Sep - 15 Sep	Wizz Air Malta
08 Sep - 22 Sep	Wizz Air Malta
15 Sep - 26 Sep	Ryanair
08 Sep - 24 Sep	Wizz Air Malta
15 Sep - 06 Oct	Ryanair
29 Sep - 06 Oct	Pegasus Airlines
01 Sep - 15 Sep	Ryanair
13 Sep - 01 Oct	Ryanair
15 Sep - 24 Sep	Ryanair
17 Sep - 01 Oct	Pegasus Airlines
24 Sep - 03 Oct	Pegasus Airlines
15 Sep - 22 Sep	Pegasus Airlines
19 Sep - 04 Oct	Wizz Air UK
24 Sep - 01 Oct	Pegasus Airlines
18 Sep - 26 Sep	Pegasus Airlines
23 Sep - 06 Oct	Pegasus Airlines
23 Sep - 03 Oct	Pegasus Airlines
20 Sep - 07 Oct	Ryanair

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

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 September from 466€

Return flights