Cheapest return flights from Oslo to Istanbul in August from $236

Best time to book flights for Oslo (OSL) to Istanbul (IST) flights at AirHint

AirHint found the following cheapest return flights from Oslo (OSL) to Istanbul (IST) in August 2025 (see full year).

Return flights

28 Aug - 02 Sep Pegasus Airlines
01 Aug - 14 Aug Pegasus Airlines
28 Aug - 02 Sep Turkish Airlines direct
23 Aug - 25 Aug Pegasus Airlines
23 Aug - 25 Aug Pegasus Airlines direct
06 Aug - 13 Aug Norwegian direct
10 Aug - 13 Aug Norwegian direct

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

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.

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