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

Return flights

01 Oct - 09 Oct	AJet	direct
01 Oct - 07 Oct	AJet	direct
03 Oct - 09 Nov	AJet	direct
02 Oct - 08 Oct	AJet	direct
07 Oct - 13 Oct	Pegasus Airlines	direct
23 Oct - 26 Oct	Pegasus Airlines
22 Oct - 29 Oct	Pegasus Airlines
17 Oct - 22 Oct	Pegasus Airlines
23 Oct - 25 Oct	Pegasus Airlines
23 Oct - 24 Oct	Pegasus Airlines
13 Oct - 31 Oct	Pegasus Airlines
29 Oct - 01 Nov	Pegasus Airlines
29 Oct - 01 Nov	Pegasus Airlines	direct

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

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.

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Cheapest return flights from Istanbul to Basel in October from 93€

Return flights