Cheapest return flights from Istanbul to Oslo in December from 144€

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

Return flights

01 Dec - 01 Dec Pegasus Airlines
04 Dec - 08 Dec Pegasus Airlines
01 Dec - 06 Dec Pegasus Airlines
09 Dec - 16 Dec Pegasus Airlines
25 Dec - 06 Jan Pegasus Airlines direct
20 Dec - 28 Dec Pegasus Airlines
25 Dec - 08 Jan Pegasus Airlines direct
01 Dec - 06 Dec Pegasus Airlines direct
04 Dec - 08 Dec Pegasus Airlines direct
29 Dec - 04 Jan Air Serbia
17 Dec - 24 Dec Pegasus Airlines
18 Dec - 24 Dec Pegasus Airlines
20 Dec - 22 Dec Pegasus Airlines
31 Dec - 04 Jan airBaltic
30 Dec - 04 Jan Lufthansa
29 Dec - 04 Jan Pegasus Airlines direct
31 Dec - 04 Jan Pegasus Airlines direct
30 Dec - 04 Jan Pegasus Airlines direct

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

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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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