Cheapest return flights from Denver to Istanbul in January from $545

AirHint found the following cheapest return flights from Denver (DEN) to Istanbul (SAW) in January 2026 (see full year).

Return flights

26 Jan - 31 Jan Icelandair
19 Jan - 27 Jan Icelandair
20 Jan - 27 Jan Frontier Airlines
13 Jan - 27 Jan Frontier Airlines
06 Jan - 27 Jan Frontier Airlines
22 Jan - 30 Jan Frontier Airlines
31 Jan - 14 Feb KLM
22 Jan - 26 Feb KLM
06 Jan - 29 Jan Frontier Airlines
01 Jan - 27 Jan Lufthansa
19 Jan - 29 Jan KLM
09 Jan - 22 Jan Frontier Airlines
21 Jan - 04 Feb Icelandair
28 Jan - 03 Feb Qatar Airways
27 Jan - 17 Feb Emirates

Also check the deals for one-way flights from Denver to Istanbul in January.

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