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

Return flights

28 Aug - 05 Sep	Wizz Air Malta
25 Aug - 29 Aug	Wizz Air Malta
20 Aug - 02 Sep	Ryanair
21 Aug - 25 Aug	Wizz Air Malta
18 Aug - 20 Aug	Ryanair
18 Aug - 25 Aug	Wizz Air Malta
11 Aug - 15 Aug	Wizz Air Malta
06 Aug - 10 Aug	Ryanair
04 Aug - 11 Aug	Wizz Air Malta
01 Aug - 08 Aug	Wizz Air Malta
01 Aug - 11 Aug	Wizz Air Malta
22 Aug - 29 Aug	Wizz Air Malta

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

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 Sandefjord to Istanbul in August from $309

Return flights