Cheapest return flights from Istanbul to Basel in September from 73€

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

Return flights

30 Sep - 08 Oct AJet direct
29 Sep - 07 Oct Pegasus Airlines direct
16 Sep - 18 Sep Pegasus Airlines direct
25 Sep - 07 Oct Pegasus Airlines direct
30 Sep - 06 Oct AJet
16 Sep - 19 Sep Pegasus Airlines direct
16 Sep - 23 Sep Pegasus Airlines direct
19 Sep - 21 Sep AJet direct
15 Sep - 21 Sep AJet direct
17 Sep - 22 Sep AJet direct
15 Sep - 19 Sep AJet direct
19 Sep - 23 Sep AJet direct
20 Sep - 21 Sep AJet direct
18 Sep - 21 Sep AJet direct
29 Sep - 09 Oct Pegasus Airlines direct
29 Sep - 08 Oct AJet direct
30 Sep - 06 Oct AJet direct
30 Sep - 02 Oct AJet
29 Sep - 06 Oct Pegasus Airlines
26 Sep - 06 Oct AJet

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

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.

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