AirHint found the following cheapest return flights from Oslo (OSL) to Helsinki (HEL)
in April 2025 (see full year ).
Return flights
01 Apr
- 09 Apr
Norwegian
78 €
direct
01 Apr
- 02 Apr
Norwegian
78 €
direct
01 Apr
- 13 Apr
Norwegian
78 €
direct
01 Apr
- 04 Apr
Norwegian
78 €
direct
01 Apr
- 03 Apr
Norwegian
79 €
direct
24 Apr
- 30 Apr
Norwegian
80 €
direct
24 Apr
- 28 Apr
Norwegian
80 €
direct
09 Apr
- 28 Apr
Norwegian
80 €
direct
09 Apr
- 13 Apr
Norwegian
80 €
direct
02 Apr
- 09 Apr
Norwegian
80 €
direct
24 Apr
- 07 May
Norwegian
80 €
direct
24 Apr
- 14 May
Norwegian
80 €
direct
24 Apr
- 08 May
Norwegian
82 €
direct
22 Apr
- 07 May
Norwegian
88 €
direct
22 Apr
- 08 May
Norwegian
91 €
direct
24 Apr
- 09 May
Norwegian
93 €
direct
24 Apr
- 05 May
Norwegian
93 €
direct
21 Apr
- 07 May
Norwegian
97 €
direct
20 Apr
- 07 May
Norwegian
97 €
direct
21 Apr
- 08 May
Norwegian
100 €
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.