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

Return flights

30 Jul - 05 Aug	Air France
30 Jul - 06 Aug	Air France
23 Jul - 30 Jul	Pegasus Airlines
31 Jul - 04 Aug	Etihad Airways
29 Jul - 05 Aug	KLM
24 Jul - 19 Aug	Lufthansa
22 Jul - 19 Aug	Lufthansa
25 Jul - 28 Jul	Air France
22 Jul - 11 Aug	LOT
20 Jul - 19 Aug	Lufthansa
21 Jul - 11 Aug	Lufthansa
20 Jul - 11 Aug	Lufthansa
18 Jul - 23 Jul	LOT
21 Jul - 28 Jul	Lufthansa
21 Jul - 25 Jul	Lufthansa
21 Jul - 27 Jul	LOT
20 Jul - 27 Jul	Lufthansa
19 Jul - 26 Jul	Turkish Airlines

Also check the deals for one-way flights from Duesseldorf 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Duesseldorf to Seoul in July from 826€

Return flights