AirHint found the following cheapest return flights from Oslo (OSL) to Helsinki (HEL) in November 2025 (see full year).

Return flights

13 Nov - 16 Nov	Norwegian
13 Nov - 16 Nov	Norwegian	direct
09 Nov - 17 Nov	Norwegian	direct
16 Nov - 17 Nov	Norwegian	direct
10 Nov - 17 Nov	Norwegian	direct
16 Nov - 30 Nov	Norwegian	direct
09 Nov - 14 Nov	Norwegian	direct
30 Nov - 19 Dec	Norwegian	direct
03 Nov - 17 Nov	Norwegian	direct
03 Nov - 07 Nov	Norwegian	direct
10 Nov - 30 Nov	Norwegian	direct
30 Nov - 12 Dec	Norwegian	direct
28 Nov - 12 Dec	Norwegian	direct
28 Nov - 19 Dec	Norwegian
30 Nov - 21 Dec	Norwegian
21 Nov - 12 Dec	Norwegian

Also check the deals for one-way flights from Oslo to Helsinki in November.

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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Cheapest return flights from Oslo to Helsinki in November from $101

Return flights