Cheapest return flights from Denver to Istanbul in January from $606

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

Return flights

21 Jan - 14 Feb Icelandair
27 Jan - 21 Feb Frontier Airlines
17 Jan - 08 Feb Frontier Airlines
08 Jan - 31 Jan Frontier Airlines
09 Jan - 16 Jan Frontier Airlines
07 Jan - 21 Jan Icelandair
22 Jan - 14 Feb Frontier Airlines
08 Jan - 22 Jan Air Canada
04 Jan - 18 Jan Lufthansa
19 Jan - 29 Jan Icelandair
03 Jan - 17 Jan Lufthansa
06 Jan - 24 Jan Qatar Airways
04 Jan - 10 Jan Emirates

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

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