AirHint found the following cheapest return flights from Oslo (OSL) to Helsinki (HEL)
in April 2025 (see full year ).
Return flights
09 Apr
- 28 Apr
Norwegian
78 €
direct
09 Apr
- 13 Apr
Norwegian
78 €
direct
24 Apr
- 28 Apr
Norwegian
80 €
direct
24 Apr
- 30 Apr
Norwegian
80 €
direct
08 Apr
- 28 Apr
Norwegian
80 €
direct
08 Apr
- 13 Apr
Norwegian
80 €
direct
22 Apr
- 28 Apr
Norwegian
80 €
direct
22 Apr
- 30 Apr
Norwegian
80 €
direct
23 Apr
- 28 Apr
Norwegian
80 €
direct
23 Apr
- 30 Apr
Norwegian
80 €
direct
24 Apr
- 07 May
Norwegian
80 €
direct
24 Apr
- 08 May
Norwegian
80 €
direct
24 Apr
- 14 May
Norwegian
80 €
direct
22 Apr
- 07 May
Norwegian
80 €
direct
22 Apr
- 08 May
Norwegian
80 €
direct
23 Apr
- 07 May
Norwegian
80 €
direct
23 Apr
- 08 May
Norwegian
80 €
direct
18 Apr
- 07 May
Norwegian
80 €
direct
18 Apr
- 08 May
Norwegian
80 €
direct
28 Apr
- 07 May
Norwegian
88 €
direct
Also check the deals for one-way flights from Oslo to Helsinki in April .
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.