Cheapest return flights from Oslo to Istanbul in April from $217

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 April 2025 (see full year).

Return flights

30 Apr - 04 May airBaltic
11 Apr - 14 Apr Air Serbia
18 Apr - 26 Apr Scandinavian Airlines
14 Apr - 21 Apr airBaltic
19 Apr - 26 Apr Ryanair
19 Apr - 26 Apr Turkish Airlines direct
30 Apr - 04 May Turkish Airlines direct
18 Apr - 26 Apr Turkish Airlines direct
12 Apr - 21 Apr Ryanair
11 Apr - 14 Apr Turkish Airlines direct
14 Apr - 21 Apr Turkish Airlines direct
12 Apr - 19 Apr Turkish Airlines direct

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

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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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