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

Return flights

05 Dec - 11 Dec	Ryanair
05 Dec - 13 Dec	Ryanair
04 Dec - 07 Dec	Wizz Air
10 Dec - 17 Dec	Norwegian
05 Dec - 14 Dec	Pegasus Airlines	direct
12 Dec - 19 Dec	Ryanair
12 Dec - 18 Dec	Ryanair
04 Dec - 07 Dec	Pegasus Airlines	direct
11 Dec - 12 Dec	Scandinavian Airlines
12 Dec - 19 Dec	Pegasus Airlines	direct
30 Dec - 03 Jan	Wizz Air
16 Dec - 04 Jan	Wizz Air
30 Dec - 05 Jan	Pegasus Airlines
26 Dec - 02 Jan	Pegasus Airlines
24 Dec - 01 Jan	Ryanair
17 Dec - 06 Jan	Ryanair
25 Dec - 01 Jan	Air Serbia
25 Dec - 02 Jan	Air Serbia
24 Dec - 03 Jan	Ryanair
25 Dec - 03 Jan	Air Serbia

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

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Oslo to Istanbul in December from $192

Return flights