Cheapest return flights from Oslo to Helsinki in July from $128

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

Return flights

29 Jul - 05 Aug Norwegian
30 Jul - 19 Aug Norwegian direct
29 Jul - 18 Aug Norwegian direct
31 Jul - 19 Aug Norwegian direct
31 Jul - 20 Aug Norwegian direct
14 Jul - 17 Jul airBaltic
09 Jul - 13 Jul airBaltic
19 Jul - 20 Jul airBaltic
18 Jul - 20 Jul airBaltic
10 Jul - 17 Jul airBaltic
17 Jul - 21 Jul airBaltic
17 Jul - 18 Jul airBaltic
28 Jul - 04 Aug airBaltic
13 Jul - 15 Jul airBaltic
29 Jul - 14 Aug Norwegian direct
29 Jul - 13 Aug Norwegian direct
01 Jul - 05 Jul Norwegian
01 Jul - 04 Jul Norwegian
30 Jul - 18 Aug Norwegian direct
29 Jul - 06 Aug Norwegian direct

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

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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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