AirHint found the following cheapest return flights from Basel (BSL) to Istanbul (SAW) in May 2026 (see full year).

Return flights

25 May - 29 May	Pegasus Airlines	direct
26 May - 02 Jun	AJet	direct
24 May - 05 Jun	Wizz Air
23 May - 30 May	Pegasus Airlines	direct
23 May - 26 May	AJet
28 May - 01 Jun	AJet	direct
19 May - 21 May	easyJet
13 May - 17 May	AJet	direct
17 May - 22 May	AJet	direct
15 May - 17 May	AJet	direct
14 May - 18 May	AJet	direct
24 May - 31 May	AJet	direct
07 May - 11 May	AJet	direct
29 May - 01 Jun	AJet	direct
29 May - 02 Jun	AJet	direct

Also check the deals for one-way flights from Basel to Istanbul in May.

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 May from $111

Return flights