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

Return flights

30 Jul - 06 Aug	T'way Air
29 Jul - 03 Aug	Lufthansa
31 Jul - 07 Aug	Finnair
28 Jul - 31 Jul	Lufthansa
28 Jul - 18 Aug	Air France
28 Jul - 30 Jul	Air France
27 Jul - 29 Jul	KLM
30 Jul - 31 Jul	Finnair
27 Jul - 17 Aug	KLM

Also check the deals for one-way flights from Seoul to Oslo 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 Oslo in July from 945€

Return flights