Cheapest return flights from Seattle to Istanbul in January from 350€

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

Return flights

21 Jan - 26 Jan Icelandair
21 Jan - 04 Feb Icelandair
28 Jan - 11 Feb Icelandair
30 Jan - 15 Feb Icelandair
23 Jan - 06 Feb Icelandair
08 Jan - 15 Jan British Airways
25 Jan - 02 Feb Delta
07 Jan - 13 Jan Delta
16 Jan - 22 Jan Delta
25 Jan - 08 Feb Delta
12 Jan - 29 Jan Delta
19 Jan - 26 Jan Icelandair
19 Jan - 26 Jan Turkish Airlines direct
24 Jan - 21 Feb Turkish Airlines direct
16 Jan - 22 Jan Turkish Airlines direct
24 Jan - 01 Feb Turkish Airlines direct
21 Jan - 04 Feb Turkish Airlines direct
30 Jan - 15 Feb Turkish Airlines direct
16 Jan - 30 Jan Turkish Airlines direct
12 Jan - 29 Jan Turkish Airlines direct

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

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