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

Return flights

08 Sep - 16 Sep	Wizz Air Abu Dhabi
11 Sep - 16 Sep	Wizz Air Abu Dhabi
09 Sep - 17 Sep	Wizz Air Abu Dhabi
12 Sep - 17 Sep	Wizz Air Abu Dhabi
19 Sep - 28 Sep	Wizz Air Abu Dhabi
14 Sep - 24 Sep	SWISS
03 Sep - 14 Sep	SWISS
21 Sep - 30 Sep	SWISS
11 Sep - 16 Sep	Etihad Airways	direct
14 Sep - 24 Sep	Etihad Airways	direct

Also check the deals for one-way flights from Abu Dhabi 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 Abu Dhabi to Lisbon in September from $340

Return flights