AirHint found the following cheapest return flights from Oslo (OSL) to Istanbul (IST)
in July 2025 (see full year ).
Return flights
07 Jul
- 20 Jul
airBaltic
294 €
04 Jul
- 07 Jul
Ryanair
302 €
04 Jul
- 07 Jul
Pegasus Airlines
317 €
direct
30 Jul
- 10 Aug
Norwegian
322 €
direct
01 Jul
- 31 Jul
Ryanair
342 €
22 Jul
- 01 Aug
Pegasus Airlines
347 €
27 Jul
- 10 Aug
Norwegian
351 €
direct
26 Jul
- 26 Jul
Turkish Airlines
368 €
09 Jul
- 18 Jul
Pegasus Airlines
368 €
direct
30 Jul
- 06 Aug
Norwegian
373 €
direct
06 Jul
- 16 Jul
Norwegian
378 €
direct
04 Jul
- 02 Aug
Ryanair
381 €
05 Jul
- 18 Jul
Ryanair
388 €
09 Jul
- 16 Jul
Norwegian
402 €
direct
27 Jul
- 06 Aug
Norwegian
402 €
direct
05 Jul
- 18 Jul
Pegasus Airlines
416 €
direct
22 Jul
- 01 Aug
Pegasus Airlines
426 €
direct
20 Jul
- 06 Aug
Norwegian
455 €
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.