AirHint found the following cheapest return flights from Seoul (ICN) to Tallinn (TLL) in July 2025 (see full year).

Return flights

09 Jul - 22 Jul	Lufthansa
14 Jul - 22 Jul	Air China
10 Jul - 22 Jul	Air China
10 Jul - 21 Jul	Asiana Airlines
11 Jul - 22 Jul	T'way Air
11 Jul - 23 Jul	Lufthansa
11 Jul - 21 Jul	T'way Air
10 Jul - 20 Jul	Lufthansa
13 Jul - 22 Jul	Lufthansa
12 Jul - 22 Jul	Lufthansa
20 Jul - 12 Aug	KLM
25 Jul - 02 Aug	KLM

Also check the deals for one-way flights from Seoul to Tallinn in July.

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 Tallinn in July from $945

Return flights