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

Return flights

21 Aug - 02 Sep	Lufthansa
26 Aug - 02 Sep	Lufthansa
21 Aug - 01 Sep	Lufthansa
27 Aug - 01 Sep	Lufthansa
29 Aug - 09 Sep	Lufthansa
27 Aug - 08 Sep	Emirates
27 Aug - 15 Sep	Emirates
17 Aug - 21 Aug	KLM
29 Aug - 07 Sep	Lufthansa
28 Aug - 31 Aug	Emirates
26 Aug - 31 Aug	Emirates
20 Aug - 27 Aug	Turkish Airlines
17 Aug - 24 Aug	Lufthansa
19 Aug - 26 Aug	Lufthansa
23 Aug - 27 Aug	Lufthansa
17 Aug - 20 Aug	Air France
22 Aug - 28 Aug	Turkish Airlines
29 Aug - 08 Sep	Qatar Airways
24 Aug - 31 Aug	Lufthansa
31 Aug - 07 Sep	Lufthansa

Also check the deals for one-way flights from Seoul to Oslo in August.

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 Oslo

Cheap car rent in Oslo

Cheapest return flights from Seoul to Oslo in August from 669€

Return flights