AirHint found the following cheapest return flights from Atlanta (ATL) to Istanbul (IST) in December 2025 (see full year).

Return flights

29 Dec - 09 Jan	British Airways
13 Dec - 09 Jan	Spirit Airlines
02 Dec - 30 Dec	Air France
18 Dec - 08 Jan	KLM
24 Dec - 31 Dec	KLM
18 Dec - 07 Jan	Air France
16 Dec - 23 Dec	Air France
02 Dec - 30 Dec	Turkish Airlines	direct
30 Dec - 03 Jan	Frontier Airlines
24 Dec - 31 Dec	Turkish Airlines	direct
16 Dec - 05 Jan	Lufthansa
29 Dec - 09 Jan	Turkish Airlines	direct
13 Dec - 09 Jan	Turkish Airlines	direct
17 Dec - 03 Jan	Frontier Airlines
30 Dec - 03 Jan	Turkish Airlines	direct
16 Dec - 23 Dec	Turkish Airlines	direct

Also check the deals for one-way flights from Atlanta to Istanbul 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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Atlanta to Istanbul in December from 545€

Return flights