Cheapest return flights from Oslo to Istanbul in April from 143€

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

Return flights

21 Apr - 28 Apr Ryanair
14 Apr - 20 Apr Ryanair
14 Apr - 21 Apr Ryanair
14 Apr - 22 Apr Ryanair
18 Apr - 25 Apr Ryanair
30 Apr - 06 May Pegasus Airlines
18 Apr - 27 Apr Ryanair
13 Apr - 11 May Pegasus Airlines
18 Apr - 27 Apr Pegasus Airlines direct
24 Apr - 27 Apr Pegasus Airlines direct
20 Apr - 29 Apr Pegasus Airlines direct
10 Apr - 16 Apr Pegasus Airlines direct
30 Apr - 04 May Pegasus Airlines direct
30 Apr - 06 May Pegasus Airlines direct
13 Apr - 11 May Pegasus Airlines direct
27 Apr - 06 May Pegasus Airlines direct
27 Apr - 05 May Pegasus Airlines direct
28 Apr - 01 May Ryanair
28 Apr - 01 May Pegasus Airlines direct
26 Apr - 03 May Ryanair

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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