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

Return flights

19 Sep - 09 Oct	Wizz Air Malta
19 Sep - 26 Sep	Wizz Air Malta
23 Sep - 21 Oct	FlyOne (Romania)
21 Sep - 30 Sep	Wizz Air UK
04 Sep - 30 Sep	Wizz Air UK
01 Sep - 20 Sep	Wizz Air UK
18 Sep - 30 Sep	Wizz Air UK
19 Sep - 07 Oct	Wizz Air Malta
19 Sep - 03 Oct	Wizz Air Malta
01 Sep - 18 Sep	Wizz Air UK
15 Sep - 22 Sep	Wizz Air UK
10 Sep - 22 Sep	Wizz Air UK
28 Sep - 12 Oct	FlyOne (Romania)
01 Sep - 30 Sep	Wizz Air UK
18 Sep - 04 Oct	Wizz Air UK
11 Sep - 25 Sep	Wizz Air UK
18 Sep - 09 Oct	Wizz Air UK
22 Sep - 09 Oct	Wizz Air
22 Sep - 12 Oct	Wizz Air
15 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 518€

Return flights