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

Return flights

28 Oct - 18 Nov	Gulf Air
06 Oct - 19 Oct	Gulf Air
28 Oct - 16 Nov	Gulf Air
01 Oct - 17 Oct	SWISS
29 Oct - 19 Nov	Gulf Air
29 Oct - 23 Nov	Gulf Air
01 Oct - 26 Nov	Gulf Air
01 Oct - 30 Nov	Gulf Air
14 Oct - 26 Nov	Etihad Airways
14 Oct - 30 Nov	Etihad Airways
14 Oct - 23 Nov	Etihad Airways
14 Oct - 25 Nov	Etihad Airways
12 Oct - 22 Oct	Gulf Air
05 Oct - 19 Oct	Etihad Airways
05 Oct - 15 Oct	Etihad Airways
05 Oct - 16 Oct	Etihad Airways
03 Oct - 12 Oct	Gulf Air
10 Oct - 26 Oct	Gulf Air
13 Oct - 26 Oct	Gulf Air
07 Oct - 19 Oct	Gulf Air

Also check the deals for one-way flights from London to Colombo in October.

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 October from 584€

Return flights