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

Return flights

09 Oct - 17 Nov	Pegasus Airlines
09 Oct - 13 Oct	Pegasus Airlines
09 Oct - 27 Oct	Pegasus Airlines
09 Oct - 21 Oct	Pegasus Airlines
09 Oct - 16 Oct	Pegasus Airlines
30 Oct - 12 Nov	Ryanair
09 Oct - 23 Oct	Pegasus Airlines
10 Oct - 03 Nov	Pegasus Airlines
09 Oct - 20 Oct	Pegasus Airlines
05 Oct - 26 Oct	Ryanair
29 Oct - 19 Nov	Ryanair
29 Oct - 20 Nov	Ryanair
30 Oct - 30 Nov	Ryanair
18 Oct - 17 Nov	Ryanair
09 Oct - 19 Oct	Pegasus Airlines
29 Oct - 18 Nov	Ryanair
13 Oct - 03 Nov	AJet
09 Oct - 26 Oct	Pegasus Airlines
31 Oct - 15 Nov	Ryanair
12 Oct - 26 Oct	Ryanair

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 391€

Return flights