Cheapest return flights from Istanbul to Oslo in April from 194€

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

Return flights

09 Apr - 12 Apr Air Serbia
13 Apr - 17 Apr Air Serbia
01 Apr - 06 Apr Air Serbia
15 Apr - 19 Apr Air Serbia
23 Apr - 02 May Air Serbia
23 Apr - 26 Apr Air Serbia
23 Apr - 27 Apr Air Serbia
07 Apr - 10 Apr Wizz Air UK
21 Apr - 28 Apr Lufthansa
28 Apr - 02 May Lufthansa
06 Apr - 09 Apr Air Serbia
06 Apr - 10 Apr Air Serbia
23 Apr - 02 May Turkish Airlines direct
28 Apr - 02 May Turkish Airlines direct

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

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