AirHint found the following cheapest return flights from Oslo (OSL) to Split (SPU) in December 2025 (see full year).

Return flights

15 Dec - 05 Jan	Lufthansa
11 Dec - 15 Dec	Lufthansa
10 Dec - 05 Jan	Lufthansa
12 Dec - 05 Jan	Lufthansa
22 Dec - 05 Jan	Lufthansa
13 Dec - 06 Jan	Lufthansa
23 Dec - 05 Jan	Lufthansa
13 Dec - 03 Jan	KLM
22 Dec - 29 Dec	Lufthansa
10 Dec - 04 Jan	Austrian Airlines
12 Dec - 03 Jan	Scandinavian Airlines
20 Dec - 23 Dec	Lufthansa
23 Dec - 30 Dec	Scandinavian Airlines
23 Dec - 29 Dec	Scandinavian Airlines
20 Dec - 27 Dec	Scandinavian Airlines
18 Dec - 03 Jan	Scandinavian Airlines

Also check the deals for one-way flights from Oslo to Split in December.

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 Split in December from $280

Return flights