AirHint found the following cheapest return flights from Seoul (ICN) to Tbilisi (TBS) in October 2025 (see full year).

Return flights

20 Oct - 18 Nov	Lufthansa
23 Oct - 20 Nov	Lufthansa
15 Oct - 21 Oct	Lufthansa
14 Oct - 22 Oct	KLM
10 Oct - 21 Oct	Lufthansa
12 Oct - 22 Oct	KLM
17 Oct - 24 Oct	Air Astana
10 Oct - 18 Oct	Air Astana
21 Oct - 30 Oct	KLM
11 Oct - 22 Oct	KLM
17 Oct - 29 Oct	KLM
28 Oct - 03 Nov	KLM
31 Oct - 09 Nov	KLM
10 Oct - 23 Oct	KLM
13 Oct - 03 Nov	China Southern
13 Oct - 05 Nov	China Southern
16 Oct - 15 Nov	Lufthansa
28 Oct - 21 Nov	LOT
20 Oct - 03 Nov	LOT

Also check the deals for one-way flights from Seoul to Tbilisi 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 Seoul to Tbilisi in October from $589

Return flights