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

Return flights

03 Sep - 21 Sep	Wizz Air UK
15 Sep - 30 Sep	Wizz Air UK
21 Sep - 30 Sep	Wizz Air UK
11 Sep - 18 Sep	Wizz Air UK
09 Sep - 28 Sep	Ryanair
01 Sep - 30 Sep	Wizz Air UK
21 Sep - 04 Oct	Wizz Air UK
09 Sep - 23 Sep	Ryanair
03 Sep - 13 Sep	Wizz Air UK
17 Sep - 21 Sep	Wizz Air UK
14 Sep - 21 Sep	Ryanair
10 Sep - 01 Oct	Wizz Air Malta
01 Sep - 01 Oct	Wizz Air UK
11 Sep - 02 Oct	Wizz Air UK
21 Sep - 06 Oct	Wizz Air UK
21 Sep - 05 Oct	Qatar Airways
28 Sep - 14 Oct	Qatar Airways
21 Sep - 07 Oct	Qatar Airways
23 Sep - 14 Oct	Qatar Airways
29 Sep - 15 Oct	Qatar Airways

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 504€

Return flights