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

Return flights

24 Sep - 29 Sep	Pegasus Airlines
26 Sep - 29 Sep	AJet	direct
25 Sep - 02 Oct	AJet	direct
26 Sep - 28 Sep	AJet
25 Sep - 29 Sep	AJet
11 Sep - 15 Sep	Pegasus Airlines
11 Sep - 17 Sep	Pegasus Airlines
24 Sep - 27 Sep	Pegasus Airlines
24 Sep - 27 Sep	Pegasus Airlines	direct
16 Sep - 19 Sep	Pegasus Airlines
20 Sep - 23 Sep	Pegasus Airlines
25 Sep - 03 Oct	AJet
24 Sep - 03 Oct	Pegasus Airlines	direct
25 Sep - 03 Oct	Pegasus Airlines	direct
22 Sep - 12 Oct	Pegasus Airlines	direct
24 Sep - 01 Oct	Pegasus Airlines

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

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 Budapest in September from 145€

Return flights