AirHint found the following cheapest return flights from Oslo (OSL) to Istanbul (IST)
in May 2025 (see full year ).
Return flights
07 May
- 22 May
Pegasus Airlines
128 €
direct
04 May
- 07 May
Pegasus Airlines
131 €
direct
16 May
- 20 May
Pegasus Airlines
131 €
direct
15 May
- 18 May
Pegasus Airlines
131 €
direct
08 May
- 12 May
Pegasus Airlines
131 €
direct
01 May
- 05 May
Pegasus Airlines
131 €
direct
14 May
- 18 May
Pegasus Airlines
131 €
direct
02 May
- 09 May
Pegasus Airlines
131 €
direct
28 May
- 27 Jun
Pegasus Airlines
131 €
direct
06 May
- 26 May
Pegasus Airlines
136 €
direct
11 May
- 18 May
Norwegian
138 €
direct
28 May
- 11 Jun
Norwegian
143 €
direct
28 May
- 15 Jun
Norwegian
152 €
direct
30 May
- 08 Jun
Ryanair
155 €
25 May
- 11 Jun
Norwegian
164 €
direct
27 May
- 01 Jun
Pegasus Airlines
171 €
direct
18 May
- 04 Jun
Norwegian
173 €
direct
26 May
- 02 Jun
Pegasus Airlines
179 €
direct
28 May
- 04 Jun
Norwegian
179 €
direct
30 May
- 08 Jun
Pegasus Airlines
179 €
direct
Also check the deals for one-way flights from Oslo to Istanbul in May .
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.