Cheapest return flights from Istanbul to Oslo in April from $126

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

Return flights

28 Apr - 03 May Wizz Air UK
21 Apr - 28 Apr AJet
21 Apr - 22 Apr Pegasus Airlines direct
21 Apr - 22 Apr AJet
21 Apr - 28 Apr Pegasus Airlines direct
22 Apr - 24 Apr Pegasus Airlines
25 Apr - 29 Apr Pegasus Airlines direct
30 Apr - 03 May Pegasus Airlines direct
21 Apr - 23 Apr Pegasus Airlines direct
17 Apr - 21 Apr AJet
15 Apr - 19 Apr Pegasus Airlines
30 Apr - 02 May Pegasus Airlines
29 Apr - 02 May Pegasus Airlines
23 Apr - 28 Apr Pegasus Airlines
28 Apr - 03 May Pegasus Airlines direct
29 Apr - 02 May Pegasus Airlines direct

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