Which airports does Finnair flies between for Helsinki-Oslo?
For flights between Helsinki and Oslo, Finnair flies from the following airport routes: Helsinki Vantaa (HEL) to Oslo Airport (OSL)
What do Finnair flights from Helsinki to Oslo cost?
One of Finnair cheapest prices for a Helsinki to Oslo flight we have right now is £ 216.
On average though, flights with Finnair cost £ 366.64 for the route Helsinki to Oslo, though it depends a lot on the season and how far in advance you book your tickets.