AirHint found the following cheapest return flights from London (STN) to Colombo (CMB) in October 2025 (see full year).

Return flights

30 Oct - 17 Nov	AJet
27 Oct - 25 Nov	Pegasus Airlines
27 Oct - 11 Nov	Pegasus Airlines
30 Oct - 13 Nov	Ryanair
30 Oct - 23 Nov	Ryanair
27 Oct - 13 Nov	Pegasus Airlines
30 Oct - 22 Nov	Ryanair
30 Oct - 20 Nov	Pegasus Airlines
27 Oct - 06 Nov	Pegasus Airlines
31 Oct - 13 Nov	AJet
16 Oct - 28 Oct	Jet2
16 Oct - 26 Oct	Jet2
16 Oct - 20 Oct	Jet2
15 Oct - 26 Oct	Ryanair
19 Oct - 26 Oct	Ryanair
14 Oct - 26 Oct	Pegasus Airlines
16 Oct - 22 Oct	Jet2
15 Oct - 20 Oct	Ryanair
16 Oct - 21 Oct	Jet2
16 Oct - 19 Oct	Jet2

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 387€

Return flights