Cheapest return flights from Oslo to Istanbul in April from $185

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

28 Apr - 06 May Pegasus Airlines direct
23 Apr - 29 Apr Pegasus Airlines direct
29 Apr - 14 May Pegasus Airlines direct
22 Apr - 29 Apr Pegasus Airlines direct
01 Apr - 08 Apr LOT
23 Apr - 02 May Pegasus Airlines
06 Apr - 16 Apr LOT
03 Apr - 07 Apr LOT
23 Apr - 03 May Pegasus Airlines direct
25 Apr - 03 May Pegasus Airlines
01 Apr - 07 May LOT
01 Apr - 06 Apr LOT
03 Apr - 06 Apr LOT
24 Apr - 02 May Pegasus Airlines
07 Apr - 14 Apr Ryanair
06 Apr - 09 Apr LOT
07 Apr - 10 Apr Ryanair
24 Apr - 02 May Turkish Airlines direct
25 Apr - 03 May Turkish Airlines direct
26 Apr - 04 May Pegasus 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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