Cheapest return flights from Oslo to Istanbul in September from 143€
AirHint found the following cheapest return flights from Oslo (OSL) to Istanbul (IST)
in September 2025 (see full year ).
Return flights
07 Sep
- 24 Sep
Norwegian
143 €
direct
12 Sep
- 17 Sep
Ryanair
149 €
10 Sep
- 24 Sep
Norwegian
150 €
direct
01 Sep
- 24 Sep
Wizz Air
151 €
17 Sep
- 24 Sep
Norwegian
151 €
direct
13 Sep
- 01 Oct
Ryanair
151 €
07 Sep
- 17 Sep
Norwegian
152 €
direct
14 Sep
- 24 Sep
Norwegian
152 €
direct
01 Sep
- 24 Sep
Pegasus Airlines
153 €
direct
01 Sep
- 09 Sep
Pegasus Airlines
154 €
direct
03 Sep
- 24 Sep
Ryanair
156 €
17 Sep
- 01 Oct
Norwegian
158 €
direct
14 Sep
- 01 Oct
Norwegian
159 €
direct
13 Sep
- 01 Oct
Pegasus Airlines
168 €
direct
12 Sep
- 01 Oct
Wizz Air
168 €
21 Sep
- 01 Oct
Norwegian
176 €
direct
12 Sep
- 01 Oct
Pegasus Airlines
178 €
direct
24 Sep
- 01 Oct
Norwegian
191 €
direct
21 Sep
- 08 Oct
Norwegian
193 €
direct
20 Sep
- 04 Oct
Pegasus Airlines
198 €
Also check the deals for one-way flights from Oslo 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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