Cheapest one-way flights from Oslo (OSL) to Helsinki (HEL), December

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
08 Dec Ryanair
03 Dec Wizz Air
06 Dec Norwegian Air Sweden AOC
Direct Flight
04 Dec Norwegian Air Sweden AOC
Direct Flight
07 Dec Norwegian Air Sweden AOC
Direct Flight
03 Dec Norwegian Air Sweden AOC
Direct Flight
02 Dec Finnair
Direct Flight
08 Dec Finnair
Direct Flight
23 Dec airBaltic
17 Dec airBaltic
Powered by

deals for return flights from Oslo to Helsinki in December.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki Vantaa

Updated Jul 19, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.