Cheapest return flights from Helsinki to Oslo in December from 89€

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

Return flights

08 Dec - 12 Dec Norwegian direct
08 Dec - 11 Dec Norwegian direct
06 Dec - 07 Dec airBaltic
19 Dec - 08 Jan Norwegian direct
11 Dec - 12 Dec Norwegian direct
18 Dec - 08 Jan Norwegian direct
08 Dec - 14 Dec Norwegian direct
08 Dec - 15 Dec Norwegian direct
11 Dec - 14 Dec airBaltic
07 Dec - 12 Dec Norwegian direct
07 Dec - 11 Dec Norwegian direct
08 Dec - 22 Dec Norwegian direct
22 Dec - 08 Jan Norwegian direct
18 Dec - 02 Jan Norwegian direct
30 Dec - 08 Jan Norwegian Air Sweden AOC
30 Dec - 03 Jan Norwegian Air Sweden AOC
22 Dec - 02 Jan Norwegian direct
15 Dec - 02 Jan Norwegian direct
24 Dec - 08 Jan Norwegian Air Sweden AOC
24 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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