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

Return flights

06 Sep - 04 Oct	Wizz Air UK
15 Sep - 14 Oct	Wizz Air UK
02 Sep - 21 Oct	Wizz Air UK
27 Sep - 17 Oct	Wizz Air UK
15 Sep - 26 Sep	Wizz Air UK
02 Sep - 29 Sep	Wizz Air UK
16 Sep - 14 Oct	Wizz Air UK
04 Sep - 18 Sep	Wizz Air UK
02 Sep - 22 Sep	Wizz Air UK
02 Sep - 20 Sep	Wizz Air UK
24 Sep - 29 Sep	Wizz Air UK
02 Sep - 27 Sep	Wizz Air UK
14 Sep - 02 Oct	Wizz Air UK
21 Sep - 19 Oct	Wizz Air UK
12 Sep - 17 Sep	Wizz Air UK
04 Sep - 15 Sep	Wizz Air UK
05 Sep - 16 Sep	Wizz Air UK
22 Sep - 15 Oct	Wizz Air UK
27 Sep - 19 Oct	Wizz Air UK
29 Sep - 03 Oct	Wizz Air UK

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 $545

Return flights