Cheapest return flights from Oslo to Istanbul in March from $196

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

Return flights

30 Mar - 02 Apr Aegean Airlines
22 Mar - 30 Mar Ryanair
24 Mar - 02 Apr Norwegian
24 Mar - 02 Apr Turkish Airlines direct
30 Mar - 04 Apr Aegean Airlines
27 Mar - 06 Apr Air Serbia
30 Mar - 05 Apr Aegean Airlines
22 Mar - 30 Mar Turkish Airlines direct
27 Mar - 03 Apr Ryanair
30 Mar - 02 Apr Turkish Airlines direct
30 Mar - 05 Apr Turkish Airlines direct

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

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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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