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

Return flights

04 Dec - 08 Dec	Pegasus Airlines	direct
04 Dec - 07 Dec	Pegasus Airlines	direct
02 Dec - 07 Dec	easyJet
11 Dec - 14 Dec	easyJet
12 Dec - 13 Dec	easyJet
18 Dec - 21 Dec	easyJet
11 Dec - 14 Dec	AJet	direct
12 Dec - 13 Dec	Pegasus Airlines	direct
19 Dec - 23 Dec	easyJet
19 Dec - 21 Dec	easyJet
31 Dec - 04 Jan	easyJet
27 Dec - 06 Jan	AJet	direct
29 Dec - 05 Jan	AJet	direct
24 Dec - 03 Jan	AJet	direct
12 Dec - 04 Jan	easyJet
22 Dec - 10 Jan	easyJet
20 Dec - 10 Jan	easyJet
28 Dec - 03 Jan	easyJet
23 Dec - 01 Jan	easyJet
29 Dec - 04 Jan	AJet	direct

Also check the deals for one-way flights from Basel 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 Basel to Istanbul in December from 131€

Return flights