Cheapest return flights from Oslo to Helsinki in June from $119

Best time to book flights for Oslo (OSL) to Helsinki (HEL) flights at AirHint

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

Return flights

04 Jun - 18 Jun Norwegian direct
04 Jun - 20 Jun Norwegian direct
12 Jun - 16 Jun Finnair
04 Jun - 23 Jun Norwegian direct
16 Jun - 23 Jun Finnair direct
04 Jun - 17 Jun Norwegian direct
12 Jun - 16 Jun Finnair direct
17 Jun - 24 Jun airBaltic
17 Jun - 18 Jun Norwegian direct
04 Jun - 19 Jun Norwegian direct
17 Jun - 02 Jul Norwegian direct
17 Jun - 07 Jul Norwegian direct
17 Jun - 01 Jul Norwegian direct
17 Jun - 06 Jul Norwegian direct
16 Jun - 02 Jul Norwegian direct
17 Jun - 04 Jul Norwegian direct
12 Jun - 02 Jul Norwegian
23 Jun - 02 Jul Norwegian
17 Jun - 03 Jul Norwegian direct
15 Jun - 02 Jul Norwegian Air Sweden AOC

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

Skyscanner

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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki