AirHint found the following cheapest return flights from Oslo (OSL) to Istanbul (IST)
in May 2025 (see full year ).
Return flights
25 May
- 11 Jun
Norwegian
$ 134
direct
04 May
- 07 May
Norwegian
$ 153
direct
04 May
- 14 May
Norwegian
$ 162
direct
11 May
- 18 May
Norwegian
$ 169
18 May
- 21 May
Norwegian
$ 172
07 May
- 14 May
Ryanair
$ 173
11 May
- 21 May
Norwegian
$ 176
direct
11 May
- 18 May
Norwegian
$ 176
direct
07 May
- 14 May
Pegasus Airlines
$ 179
direct
18 May
- 21 May
Norwegian
$ 179
direct
04 May
- 21 May
Norwegian
$ 179
direct
21 May
- 04 Jun
Norwegian
$ 180
direct
25 May
- 04 Jun
Norwegian
$ 180
direct
18 May
- 04 Jun
Norwegian
$ 180
direct
21 May
- 08 Jun
Norwegian
$ 216
direct
25 May
- 08 Jun
Norwegian
$ 216
direct
28 May
- 02 Jun
Norwegian
$ 228
28 May
- 02 Jun
Pegasus Airlines
$ 238
direct
28 May
- 11 Jun
Norwegian
$ 243
direct
28 May
- 15 Jun
Norwegian
$ 260
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.
