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

Return flights

01 Sep - 02 Sep	Wizz Air	direct
01 Sep - 30 Sep	Wizz Air
01 Sep - 03 Sep	Wizz Air
11 Sep - 16 Sep	Wizz Air Malta
13 Sep - 17 Sep	Wizz Air Malta
15 Sep - 19 Sep	Wizz Air Malta
19 Sep - 25 Sep	Ryanair
02 Sep - 09 Sep	Wizz Air
24 Sep - 25 Sep	Wizz Air Malta
02 Sep - 04 Sep	Wizz Air
28 Sep - 01 Oct	Wizz Air Malta
27 Sep - 01 Oct	Wizz Air Malta
10 Sep - 18 Oct	Wizz Air Malta

Also check the deals for one-way flights from Bucharest 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 Bucharest to Budapest in September from 50€

Return flights