Cheapest return flights from Helsinki to Oslo in December from $115

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

Return flights

04 Dec - 08 Dec Norwegian direct
01 Dec - 08 Dec Norwegian direct
21 Dec - 11 Jan Norwegian direct
04 Dec - 22 Dec Norwegian direct
01 Dec - 22 Dec Norwegian direct
21 Dec - 02 Jan Norwegian direct
29 Dec - 11 Jan Norwegian direct
21 Dec - 22 Dec Norwegian direct
21 Dec - 29 Dec Norwegian direct
21 Dec - 28 Dec Norwegian direct
29 Dec - 02 Jan Norwegian direct
22 Dec - 11 Jan Norwegian direct
22 Dec - 02 Jan Norwegian direct
29 Dec - 20 Jan Norwegian
02 Dec - 08 Dec Norwegian Air Sweden AOC
22 Dec - 29 Dec Norwegian direct
22 Dec - 28 Dec Norwegian direct
29 Dec - 20 Jan Finnair direct
30 Dec - 11 Jan Norwegian Air Sweden AOC
30 Dec - 02 Jan Norwegian Air Sweden AOC

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

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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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