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
453 €
21 Jan
- 28 Jan
Icelandair
512 €
26 Jan
- 08 Feb
British Airways
514 €
24 Jan
- 06 Feb
Lufthansa
526 €
24 Jan
- 30 Jan
KLM
529 €
31 Jan
- 06 Feb
Turkish Airlines
543 €
26 Jan
- 08 Feb
Turkish Airlines
592 €
direct
21 Jan
- 07 Feb
Icelandair
652 €
24 Jan
- 30 Jan
Turkish Airlines
722 €
direct
21 Jan
- 25 Feb
Icelandair
739 €
22 Jan
- 29 Jan
Icelandair
745 €
21 Jan
- 25 Jan
Icelandair
880 €
21 Jan
- 28 Jan
Turkish Airlines
948 €
direct
22 Jan
- 29 Jan
Turkish Airlines
948 €
direct
21 Jan
- 25 Feb
Turkish Airlines
948 €
direct
21 Jan
- 07 Feb
Turkish Airlines
991 €
direct
21 Jan
- 25 Jan
Turkish Airlines
993 €
direct
Also check the deals for one-way flights from Seattle to Istanbul in January .
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