Cheapest return flights from Istanbul to Oslo in May from $155

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

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

Return flights

21 May - 25 May Norwegian direct
28 May - 01 Jun Norwegian direct
21 May - 01 Jun Norwegian direct
25 May - 01 Jun Norwegian direct
07 May - 18 May Norwegian direct
07 May - 11 May Norwegian direct
14 May - 18 May Norwegian direct
21 May - 26 May Norwegian
08 May - 11 May Pegasus Airlines direct
08 May - 10 May Pegasus Airlines direct
08 May - 14 May Pegasus Airlines direct
07 May - 14 May Norwegian direct
07 May - 25 May Norwegian direct
14 May - 01 Jun Norwegian direct
29 May - 02 Jun Pegasus Airlines
18 May - 01 Jun Norwegian direct
30 May - 03 Jun Pegasus Airlines direct
28 May - 04 Jun Norwegian direct
29 May - 01 Jun Pegasus Airlines
29 May - 01 Jun Pegasus Airlines direct

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

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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.

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