AirHint found the following cheapest return flights from Bucharest (BBU) to Lisbon (LIS) in September 2025 (see full year).

Return flights

01 Sep - 08 Sep	Wizz Air
05 Sep - 08 Sep	Wizz Air
03 Sep - 08 Sep	Wizz Air
12 Sep - 19 Sep	Wizz Air
01 Sep - 16 Sep	Wizz Air
10 Sep - 24 Sep	Wizz Air
15 Sep - 23 Sep	Wizz Air
15 Sep - 19 Sep	Wizz Air
24 Sep - 29 Sep	Wizz Air
22 Sep - 26 Sep	Wizz Air
24 Sep - 01 Oct	Wizz Air Malta
29 Sep - 03 Oct	Wizz Air Malta
22 Sep - 01 Oct	Wizz Air Malta
25 Sep - 10 Oct	Wizz Air Malta
26 Sep - 03 Oct	Wizz Air Malta

Also check the deals for one-way flights from Bucharest to Lisbon 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 Lisbon in September from $200

Return flights