Cheapest return flights from Basel to Istanbul in September from $63

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

Return flights

11 Sep - 30 Sep Pegasus Airlines direct
09 Sep - 30 Sep Pegasus Airlines direct
18 Sep - 30 Sep AJet direct
13 Sep - 30 Sep Pegasus Airlines direct
16 Sep - 24 Sep AJet direct
23 Sep - 30 Sep Pegasus Airlines direct
08 Sep - 30 Sep AJet direct
22 Sep - 30 Sep Pegasus Airlines direct
24 Sep - 30 Sep Pegasus Airlines direct
19 Sep - 30 Sep Pegasus Airlines direct
15 Sep - 15 Oct AJet direct
24 Sep - 02 Oct AJet direct
22 Sep - 02 Oct Pegasus Airlines direct
23 Sep - 06 Oct AJet direct
22 Sep - 03 Oct Pegasus Airlines direct
29 Sep - 01 Oct Pegasus Airlines direct
30 Sep - 07 Oct Pegasus Airlines direct
30 Sep - 06 Oct Pegasus Airlines direct
29 Sep - 02 Oct Pegasus Airlines direct
13 Sep - 13 Oct Pegasus Airlines direct

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

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Feel free to contact us with any feedback or request another flight research.