Cheapest return flights from Istanbul to Basel in October from $235

Best time to book flights for Istanbul (IST) to Basel (BSL) flights at AirHint

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

Return flights

14 Oct - 22 Oct Turkish Airlines direct
18 Oct - 25 Oct Lufthansa

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

Skyscanner

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 Basel

Cheap car rent in Basel