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

Return flights

07 Jul - 15 Jul	Lufthansa
13 Jul - 20 Jul	Eurowings
09 Jul - 30 Jul	Lufthansa
10 Jul - 17 Jul	Lufthansa
17 Jul - 21 Jul	Eurowings
16 Jul - 20 Jul	Eurowings
21 Jul - 25 Jul	Eurowings
06 Jul - 13 Jul	Lufthansa
25 Jul - 11 Aug	Eurowings
11 Jul - 18 Jul	easyJet
15 Jul - 23 Jul	Lufthansa
30 Jul - 09 Aug	Iberia
26 Jul - 10 Aug	Eurowings
25 Jul - 02 Aug	Eurowings
22 Jul - 21 Aug	Lufthansa
08 Jul - 03 Aug	Lufthansa
21 Jul - 06 Aug	British Airways

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.

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Cheapest return flights from Duesseldorf to Seoul in July from $1012

Return flights