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

Return flights

16 Sep - 22 Sep	Wizz Air
22 Sep - 25 Sep	Ryanair
25 Sep - 28 Sep	Wizz Air
15 Sep - 29 Sep	Ryanair
19 Sep - 25 Sep	Wizz Air
15 Sep - 22 Sep	Ryanair
16 Sep - 19 Sep	Wizz Air
16 Sep - 18 Sep	Wizz Air
15 Sep - 18 Sep	Ryanair
21 Sep - 20 Oct	Ryanair
23 Sep - 29 Sep	Ryanair
20 Sep - 21 Oct	Ryanair
30 Sep - 09 Oct	Wizz Air
30 Sep - 20 Oct	Ryanair
30 Sep - 02 Oct	Ryanair
25 Sep - 02 Oct	Ryanair
30 Sep - 07 Oct	Wizz Air
23 Sep - 19 Oct	Ryanair
26 Sep - 04 Oct	Ryanair
30 Sep - 05 Oct	Ryanair

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

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 September from 141€

Return flights