Which airports does Finnair flies between for Oslo-Helsinki?
For flights between Oslo and Helsinki, Finnair flies from the following airport routes: Oslo Airport (OSL) to Helsinki Vantaa (HEL)
What do Finnair flights from Oslo to Helsinki cost?
One of Finnair cheapest prices for a Oslo to Helsinki flight we have right now is £ 193.
On average though, flights with Finnair cost £ 301.97 for the route Oslo to Helsinki, though it depends a lot on the season and how far in advance you book your tickets.