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

Return flights

20 Sep - 02 Oct	Wizz Air Abu Dhabi
01 Sep - 06 Sep	Wizz Air Abu Dhabi
02 Sep - 07 Sep	Wizz Air Abu Dhabi
21 Sep - 03 Oct	Gulf Air
03 Sep - 14 Sep	SWISS
21 Sep - 03 Oct	Etihad Airways	direct
03 Sep - 14 Sep	Etihad Airways	direct
02 Sep - 07 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 347€

Return flights