AirHint found the following cheapest return flights from Oslo (OSL) to Istanbul (IST)
in July 2025 (see full year ).
Return flights
30 Jul
- 06 Aug
Air Serbia
252 €
25 Jul
- 11 Aug
Pegasus Airlines
266 €
01 Jul
- 02 Jul
Ryanair
268 €
22 Jul
- 29 Jul
Pegasus Airlines
270 €
21 Jul
- 11 Aug
Pegasus Airlines
290 €
29 Jul
- 06 Aug
Pegasus Airlines
295 €
21 Jul
- 15 Aug
Pegasus Airlines
296 €
01 Jul
- 15 Jul
Ryanair
302 €
22 Jul
- 29 Jul
Pegasus Airlines
307 €
direct
06 Jul
- 09 Jul
Norwegian
323 €
direct
30 Jul
- 13 Aug
Norwegian
332 €
direct
30 Jul
- 06 Aug
Pegasus Airlines
332 €
direct
14 Jul
- 21 Jul
airBaltic
335 €
10 Jul
- 18 Jul
Air Serbia
336 €
14 Jul
- 21 Jul
Pegasus Airlines
338 €
direct
25 Jul
- 11 Aug
Pegasus Airlines
339 €
direct
01 Jul
- 02 Jul
Pegasus Airlines
340 €
direct
02 Jul
- 06 Jul
Norwegian
341 €
direct
29 Jul
- 06 Aug
Turkish Airlines
358 €
direct
27 Jul
- 13 Aug
Norwegian
358 €
direct
Also check the deals for one-way flights from Oslo 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.