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

Return flights

05 Oct - 13 Oct	KLM
23 Oct - 04 Nov	Lufthansa
12 Oct - 01 Nov	Lufthansa
01 Oct - 15 Oct	KLM
14 Oct - 28 Oct	Lufthansa
30 Oct - 14 Nov	SWISS
01 Oct - 11 Oct	KLM
16 Oct - 04 Nov	SWISS
16 Oct - 28 Oct	Lufthansa
23 Oct - 06 Nov	Lufthansa
03 Oct - 24 Oct	KLM
23 Oct - 03 Nov	SWISS
06 Oct - 13 Oct	British Airways
07 Oct - 18 Oct	British Airways
13 Oct - 31 Oct	KLM
06 Oct - 20 Oct	British Airways
20 Oct - 04 Nov	British Airways
31 Oct - 04 Nov	British Airways
27 Oct - 27 Nov	British Airways

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 912€

Return flights