AirHint found the following cheapest return flights from Karlsruhe/Baden-Baden (FKB) to Istanbul (SAW) in December 2025 (see full year).

Return flights

02 Dec - 09 Dec	Wizz Air
02 Dec - 04 Dec	Wizz Air
04 Dec - 06 Dec	Wizz Air Malta
13 Dec - 18 Dec	Wizz Air Malta
07 Dec - 14 Dec	Ryanair
05 Dec - 12 Dec	Ryanair
05 Dec - 06 Dec	Ryanair
25 Dec - 28 Dec	Wizz Air Malta
29 Dec - 09 Jan	Ryanair
29 Dec - 08 Jan	Ryanair
28 Dec - 08 Jan	Ryanair
05 Dec - 07 Dec	Wizz Air
29 Dec - 04 Jan	Ryanair
21 Dec - 26 Dec	Ryanair
31 Dec - 08 Jan	Ryanair
29 Dec - 07 Jan	Ryanair
30 Dec - 02 Jan	Wizz Air Malta
29 Dec - 03 Jan	Ryanair
30 Dec - 05 Jan	Wizz Air Malta
25 Dec - 04 Jan	Wizz Air Malta

Also check the deals for one-way flights from Karlsruhe/Baden-Baden 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 Karlsruhe/Baden-Baden to Istanbul in December from $203

Return flights