Cheapest return flights from Istanbul to Oslo in May from 147€

AirHint found the following cheapest return flights from Istanbul (IST) to Oslo (OSL) in May 2026 (see full year).

Return flights

21 May - 24 May Pegasus Airlines direct
10 May - 17 May Pegasus Airlines direct
04 May - 11 May Pegasus Airlines
01 May - 03 May Air Serbia
20 May - 26 May Pegasus Airlines direct
16 May - 20 May Air Serbia
15 May - 18 May Pegasus Airlines direct
16 May - 20 May Pegasus Airlines direct
01 May - 03 May Turkish Airlines direct
04 May - 11 May Turkish Airlines direct

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

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