Cheapest return flights from Oslo to Istanbul in May from $176

Best time to book flights for Oslo (OSL) to Istanbul (SAW) flights at AirHint

AirHint found the following cheapest return flights from Oslo (OSL) to Istanbul (SAW) in May 2025 (see full year).

Return flights

14 May - 21 May Pegasus Airlines direct
14 May - 20 May Pegasus Airlines direct
15 May - 18 May Pegasus Airlines direct
15 May - 21 May Pegasus Airlines direct
18 May - 24 May Pegasus Airlines direct
25 May - 29 May Norwegian
16 May - 18 May Pegasus Airlines direct
16 May - 23 May Pegasus Airlines direct
14 May - 18 May Pegasus Airlines direct
22 May - 24 May Pegasus Airlines direct
26 May - 03 Jun Pegasus Airlines direct
26 May - 23 Jun Pegasus Airlines direct
29 May - 17 Jun Pegasus Airlines direct
30 May - 08 Jun Pegasus Airlines direct
14 May - 19 Jun Ryanair
18 May - 02 Jun Pegasus Airlines
27 May - 03 Jun Norwegian
18 May - 02 Jun Pegasus Airlines direct
30 May - 01 Jun Pegasus Airlines
29 May - 01 Jun Pegasus Airlines

Also check the deals for one-way flights from Oslo to Istanbul in May.

Skyscanner

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul