AirHint found the following cheapest return flights from Glasgow (GLA) to Kos (KGS) in October 2025 (see full year).

Return flights

14 Oct - 21 Oct	easyJet
18 Oct - 21 Oct	easyJet
10 Oct - 17 Oct	Ryanair
13 Oct - 20 Oct	Ryanair
07 Oct - 11 Oct	Ryanair
21 Oct - 28 Oct	easyJet
07 Oct - 14 Oct	Ryanair
11 Oct - 18 Oct	Ryanair
16 Oct - 19 Oct	easyJet
25 Oct - 01 Nov	easyJet
10 Oct - 18 Oct	easyJet
25 Oct - 01 Nov	easyJet	direct

Also check the deals for one-way flights from Glasgow to Kos 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 Glasgow to Kos in October from $294

Return flights