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

One-Way flights

01 Dec	Pegasus Airlines	direct
02 Dec	Pegasus Airlines	direct
10 Dec	Ryanair
03 Dec	Pegasus Airlines	direct
06 Dec	Pegasus Airlines	direct
09 Dec	Pegasus Airlines	direct
08 Dec	Pegasus Airlines	direct
23 Dec	Pegasus Airlines	direct
21 Dec	Air Serbia
21 Dec	Pegasus Airlines	direct

Also check the deals for return 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 one-way flights from Oslo to Istanbul in December from $100

One-Way flights