Cheapest return flights from Atlanta to Istanbul in December from 520€

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

Return flights

27 Dec - 15 Jan KLM
03 Dec - 14 Dec Frontier Airlines
13 Dec - 19 Jan Spirit Airlines
28 Dec - 13 Jan KLM
10 Dec - 20 Jan Frontier Airlines
10 Dec - 19 Jan Frontier Airlines
10 Dec - 13 Jan Frontier Airlines
13 Dec - 09 Jan Spirit Airlines
29 Dec - 10 Jan Frontier Airlines
31 Dec - 09 Jan Frontier Airlines
03 Dec - 09 Dec WestJet
29 Dec - 09 Jan Frontier Airlines
11 Dec - 14 Dec Frontier Airlines
15 Dec - 23 Dec British Airways
12 Dec - 24 Dec Frontier Airlines
06 Dec - 13 Dec Spirit Airlines
15 Dec - 22 Dec British Airways
02 Dec - 10 Dec Lufthansa
14 Dec - 26 Dec KLM
14 Dec - 19 Dec Frontier Airlines

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

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