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

Return flights

21 Oct - 25 Oct	Ryanair
13 Oct - 18 Oct	Ryanair
11 Oct - 21 Oct	Ryanair	direct
11 Oct - 18 Oct	Ryanair	direct
11 Oct - 25 Oct	Ryanair	direct
18 Oct - 25 Oct	SKY express
14 Oct - 21 Oct	Ryanair	direct
14 Oct - 18 Oct	Ryanair	direct
05 Oct - 10 Oct	Ryanair
14 Oct - 25 Oct	Ryanair	direct
26 Oct - 01 Nov	SKY express
25 Oct - 01 Nov	Aegean Airlines

Also check the deals for one-way flights from Kos to Dublin 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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Cheapest return flights from Kos to Dublin in October from $167

Return flights