AirHint found the following cheapest return flights from Iasi (IAS) to Bucharest (OTP) in September 2025 (see full year).

Return flights

26 Sep - 03 Oct	Wizz Air Malta
18 Sep - 20 Sep	Wizz Air Malta
28 Sep - 05 Oct	Wizz Air Malta
04 Sep - 06 Sep	TAROM	direct
22 Sep - 26 Sep	Wizz Air Malta
26 Sep - 03 Oct	Animawings	direct
11 Sep - 12 Sep	Wizz Air Malta
17 Sep - 18 Sep	Wizz Air Malta
11 Sep - 15 Sep	Wizz Air Malta
18 Sep - 20 Sep	TAROM	direct
10 Sep - 19 Sep	Wizz Air Malta
02 Sep - 04 Sep	Animawings	direct
09 Sep - 17 Sep	APG Distribution System
28 Sep - 05 Oct	TAROM	direct
28 Sep - 03 Oct	TAROM

Also check the deals for one-way flights from Iasi to Bucharest 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 Iasi to Bucharest in September from 65€

Return flights