Cheapest return flights from Oslo to Istanbul in May from 128€

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

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 direct
04 May - 07 May Pegasus Airlines direct
16 May - 20 May Pegasus Airlines direct
15 May - 18 May Pegasus Airlines direct
08 May - 12 May Pegasus Airlines direct
01 May - 05 May Pegasus Airlines direct
14 May - 18 May Pegasus Airlines direct
02 May - 09 May Pegasus Airlines direct
28 May - 27 Jun Pegasus Airlines direct
06 May - 26 May Pegasus Airlines direct
11 May - 18 May Norwegian direct
28 May - 11 Jun Norwegian direct
28 May - 15 Jun Norwegian direct
30 May - 08 Jun Ryanair
25 May - 11 Jun Norwegian direct
27 May - 01 Jun Pegasus Airlines direct
18 May - 04 Jun Norwegian direct
26 May - 02 Jun Pegasus Airlines direct
28 May - 04 Jun Norwegian direct
30 May - 08 Jun Pegasus Airlines direct

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