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

Return flights

11 Sep - 25 Sep	Animawings
02 Sep - 25 Sep	Wizz Air UK
03 Sep - 12 Sep	Wizz Air UK
01 Sep - 28 Sep	Qatar Airways
01 Sep - 15 Sep	Wizz Air UK
07 Sep - 28 Sep	Qatar Airways
09 Sep - 23 Sep	Qatar Airways
28 Sep - 12 Oct	Qatar Airways
15 Sep - 29 Sep	Wizz Air
03 Sep - 16 Sep	Wizz Air UK
01 Sep - 21 Sep	Qatar Airways
10 Sep - 16 Oct	Qatar Airways
18 Sep - 10 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 560€

Return flights