Cheapest return flights from Helsinki to Oslo in September from 97€
AirHint found the following cheapest return flights from Helsinki (HEL) to Oslo (OSL)
in September 2025 (see full year ).
Return flights
17 Sep
- 22 Sep
Norwegian
97 €
direct
17 Sep
- 24 Sep
Norwegian
97 €
direct
17 Sep
- 23 Sep
Norwegian
97 €
direct
24 Sep
- 09 Oct
Norwegian
97 €
direct
09 Sep
- 22 Sep
Norwegian
98 €
direct
09 Sep
- 10 Sep
Norwegian
98 €
direct
03 Sep
- 22 Sep
Norwegian
98 €
direct
03 Sep
- 10 Sep
Norwegian
98 €
direct
16 Sep
- 22 Sep
Norwegian
98 €
direct
17 Sep
- 07 Oct
Norwegian
98 €
direct
24 Sep
- 07 Oct
Norwegian
98 €
direct
24 Sep
- 13 Oct
Norwegian
98 €
direct
09 Sep
- 15 Sep
Norwegian
99 €
direct
09 Sep
- 24 Sep
Norwegian
99 €
direct
16 Sep
- 07 Oct
Norwegian
99 €
direct
30 Sep
- 09 Oct
Norwegian
108 €
direct
18 Sep
- 09 Oct
Norwegian
108 €
direct
30 Sep
- 16 Oct
Norwegian
109 €
direct
30 Sep
- 07 Oct
Norwegian
109 €
direct
30 Sep
- 13 Oct
Norwegian
109 €
direct
Also check the deals for one-way flights from Helsinki to Oslo in September .
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.
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