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

Return flights

29 Jul - 31 Jul	Wizz Air
23 Jul - 30 Jul	Ryanair
12 Jul - 14 Jul	Ryanair
28 Jul - 07 Aug	Wizz Air Malta
29 Jul - 05 Aug	Wizz Air Malta
22 Jul - 10 Aug	Ryanair
22 Jul - 26 Jul	Ryanair
12 Jul - 19 Jul	Ryanair
23 Jul - 08 Aug	Wizz Air
17 Jul - 23 Jul	Ryanair
23 Jul - 05 Aug	Wizz Air
21 Jul - 26 Jul	Ryanair
25 Jul - 30 Jul	Wizz Air
15 Jul - 10 Aug	Ryanair
24 Jul - 28 Jul	Wizz Air Malta
24 Jul - 30 Jul	Wizz Air Malta
19 Jul - 02 Aug	Ryanair
21 Jul - 13 Aug	Wizz Air
15 Jul - 15 Aug	Ryanair
22 Jul - 15 Aug	Ryanair

Also check the deals for one-way flights from Sandefjord to Istanbul 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 Sandefjord to Istanbul in July from 291€

Return flights