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

Return flights

02 Sep - 15 Sep	Wizz Air Malta
12 Sep - 04 Oct	Wizz Air Malta
22 Sep - 11 Oct	Pegasus Airlines
14 Sep - 29 Sep	Wizz Air Malta
07 Sep - 28 Sep	Ryanair
14 Sep - 21 Sep	Air France
25 Sep - 03 Oct	Turkish Airlines

Also check the deals for one-way flights from Bucharest to Hanoi 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.

Book a cheap hotel in Hanoi

Cheap car rent in Hanoi

Cheapest return flights from Bucharest to Hanoi in September from 646€

Return flights