Cheapest return flights from Istanbul to Oslo in October from 192€

AirHint found the following cheapest return flights from Istanbul (IST) to Oslo (OSL) in October 2025 (see full year).

Return flights

29 Oct - 05 Nov Pegasus Airlines
27 Oct - 30 Oct Pegasus Airlines
28 Oct - 04 Nov Pegasus Airlines
29 Oct - 03 Nov AJet
31 Oct - 03 Nov Pegasus Airlines
31 Oct - 02 Nov Pegasus Airlines
27 Oct - 03 Nov Pegasus Airlines
29 Oct - 02 Nov Pegasus Airlines
24 Oct - 28 Oct Fly One
29 Oct - 05 Nov Pegasus Airlines direct
25 Oct - 02 Nov Pegasus Airlines direct
24 Oct - 02 Nov Pegasus Airlines
28 Oct - 29 Oct Pegasus Airlines
25 Oct - 26 Oct Pegasus Airlines direct
24 Oct - 31 Oct Air Serbia
24 Oct - 26 Oct Pegasus Airlines
27 Oct - 28 Oct Pegasus Airlines
25 Oct - 27 Oct Pegasus Airlines direct
25 Oct - 28 Oct Pegasus Airlines direct
24 Oct - 28 Oct Turkish Airlines direct

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

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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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