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

Return flights

05 Dec - 14 Dec	Frontier Airlines
04 Dec - 13 Jan	Spirit Airlines
02 Dec - 09 Dec	Spirit Airlines
15 Dec - 22 Dec	Frontier Airlines
04 Dec - 11 Dec	KLM
06 Dec - 13 Dec	Frontier Airlines
05 Dec - 14 Dec	Etihad Airways	direct
02 Dec - 09 Dec	Etihad Airways	direct
15 Dec - 30 Dec	Frontier Airlines
15 Dec - 22 Dec	Etihad Airways	direct
22 Dec - 09 Jan	Air France
01 Dec - 09 Dec	IndiGo
01 Dec - 01 Jan	Ethiopian Airlines
23 Dec - 01 Jan	Frontier Airlines
21 Dec - 12 Jan	Etihad Airways	direct
04 Dec - 13 Jan	Etihad Airways	direct
03 Dec - 05 Jan	IndiGo
31 Dec - 07 Jan	IndiGo
30 Dec - 06 Jan	IndiGo
01 Dec - 01 Jan	Etihad Airways	direct

Also check the deals for one-way flights from Chicago 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 Chicago to Abu Dhabi in December from $928

Return flights