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

Return flights

02 Sep - 20 Sep	Wizz Air
07 Sep - 20 Sep	Wizz Air
04 Sep - 20 Sep	Wizz Air
11 Sep - 20 Sep	Wizz Air UK
08 Sep - 20 Sep	Wizz Air UK
26 Sep - 26 Oct	Wizz Air
09 Sep - 20 Sep	Wizz Air
19 Sep - 10 Oct	Wizz Air
19 Sep - 04 Oct	Wizz Air
10 Sep - 20 Sep	Wizz Air UK
15 Sep - 20 Sep	Wizz Air UK
02 Sep - 22 Sep	Wizz Air
02 Sep - 04 Oct	Wizz Air
02 Sep - 02 Oct	Wizz Air
26 Sep - 03 Oct	Wizz Air
26 Sep - 01 Oct	Wizz Air
26 Sep - 04 Oct	Wizz Air
02 Sep - 27 Sep	Wizz Air
30 Sep - 08 Oct	Wizz Air UK
26 Sep - 10 Oct	Wizz Air

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 432€

Return flights