Cheapest return flights from Oslo to Istanbul in May from $106

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

25 May - 04 Jun Norwegian direct
25 May - 11 Jun Norwegian direct
21 May - 04 Jun Norwegian direct
18 May - 04 Jun Norwegian direct
25 May - 28 May Norwegian direct
11 May - 28 May Norwegian direct
11 May - 21 May Norwegian direct
04 May - 21 May Norwegian direct
25 May - 08 Jun Norwegian direct
26 May - 04 Jun Pegasus Airlines direct
11 May - 25 May Norwegian direct
18 May - 28 May Norwegian direct
18 May - 21 May Norwegian direct
14 May - 28 May Norwegian direct
14 May - 21 May Norwegian direct
21 May - 28 May Norwegian direct
21 May - 08 Jun Norwegian direct
23 May - 04 Jun Pegasus Airlines direct
28 May - 04 Jun Norwegian direct
28 May - 11 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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