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

Return flights

25 Jul - 29 Jul	Scandinavian Airlines
15 Jul - 21 Jul	Hainan Airlines
24 Jul - 31 Jul	Hainan Airlines
30 Jul - 06 Aug	Scandinavian Airlines
26 Jul - 20 Aug	Norwegian Air Sweden AOC
17 Jul - 23 Jul	Hainan Airlines
14 Jul - 21 Jul	Finnair
14 Jul - 23 Jul	Scandinavian Airlines
17 Jul - 22 Jul	Scandinavian Airlines
10 Jul - 13 Jul	Finnair
27 Jul - 03 Aug	Norwegian Air Sweden AOC
10 Jul - 14 Jul	Norwegian
22 Jul - 01 Aug	Norwegian
17 Jul - 21 Aug	Lufthansa
16 Jul - 21 Jul	Norwegian Air Sweden AOC

Also check the deals for one-way flights from Oslo 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 Oslo to Seoul in July from $1287

Return flights