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

Return flights

08 Dec - 14 Dec	Ryanair
11 Dec - 14 Dec	Ryanair
16 Dec - 11 Jan	Ryanair
04 Dec - 09 Dec	Etihad Airways	direct
26 Dec - 04 Jan	Aegean Airlines
24 Dec - 02 Jan	Etihad Airways	direct
16 Dec - 11 Jan	Etihad Airways	direct
05 Dec - 14 Dec	Brussels Airlines
11 Dec - 14 Dec	TAP	direct
26 Dec - 05 Jan	Turkish Airlines
06 Dec - 12 Dec	IndiGo
06 Dec - 14 Dec	IndiGo
26 Dec - 05 Jan	Etihad Airways	direct
26 Dec - 04 Jan	Etihad Airways	direct
04 Dec - 08 Dec	IndiGo
02 Dec - 12 Dec	IndiGo

Also check the deals for one-way flights from Lisbon to Abu Dhabi in December.

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 Lisbon to Abu Dhabi in December from 376€

Return flights