Cheapest return flights from Seattle to Istanbul in January from 453€

AirHint found the following cheapest return flights from Seattle (SEA) to Istanbul (IST) in January 2026 (see full year).

Return flights

25 Jan - 07 Feb Lufthansa
21 Jan - 28 Jan Icelandair
26 Jan - 08 Feb British Airways
24 Jan - 06 Feb Lufthansa
24 Jan - 30 Jan KLM
31 Jan - 06 Feb Turkish Airlines
26 Jan - 08 Feb Turkish Airlines direct
21 Jan - 07 Feb Icelandair
24 Jan - 30 Jan Turkish Airlines direct
21 Jan - 25 Feb Icelandair
22 Jan - 29 Jan Icelandair
21 Jan - 25 Jan Icelandair
21 Jan - 28 Jan Turkish Airlines direct
22 Jan - 29 Jan Turkish Airlines direct
21 Jan - 25 Feb Turkish Airlines direct
21 Jan - 07 Feb Turkish Airlines direct
21 Jan - 25 Jan Turkish Airlines direct

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

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