AirHint found the following cheapest return flights from Istanbul (IST) to Oslo (OSL) in July 2026 (see full year).

Return flights

01 Jul - 22 Jul	Norwegian	direct
08 Jul - 22 Jul	Norwegian	direct
01 Jul - 06 Jul	Norwegian
01 Jul - 05 Jul	Norwegian
01 Jul - 08 Jul	Norwegian	direct
10 Jul - 19 Jul	Air Serbia
01 Jul - 05 Jul	Norwegian	direct
11 Jul - 19 Jul	LOT
25 Jul - 07 Aug	Wizz Air UK
25 Jul - 07 Aug	Turkish Airlines	direct
10 Jul - 19 Jul	Turkish Airlines	direct
11 Jul - 18 Jul	Turkish Airlines	direct

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

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 Istanbul to Oslo in July from 135€

Return flights