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

Return flights

30 Jul - 20 Aug	MIAT Mongolian Airlines
28 Jul - 05 Aug	Lufthansa
28 Jul - 08 Aug	Lufthansa
28 Jul - 11 Aug	Lufthansa
28 Jul - 04 Aug	Lufthansa
28 Jul - 16 Aug	Lufthansa
29 Jul - 05 Aug	Lufthansa
28 Jul - 21 Aug	Lufthansa
25 Jul - 08 Aug	Thai Airways
25 Jul - 20 Aug	Thai Airways
25 Jul - 27 Jul	Lufthansa
24 Jul - 31 Jul	Air France
25 Jul - 31 Jul	Condor
27 Jul - 30 Jul	Turkish Airlines
25 Jul - 29 Jul	Air France
29 Jul - 31 Jul	T'way Air	direct
24 Jul - 28 Jul	Lufthansa
24 Jul - 31 Jul	T'way Air	direct
25 Jul - 30 Jul	Air France
25 Jul - 31 Jul	T'way Air	direct

Also check the deals for one-way flights from Frankfurt to Seoul 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 Frankfurt to Seoul in July from 710€

Return flights