Cheapest return flights from Seattle to Istanbul in January from 459€

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

Return flights

20 Jan - 05 Feb Icelandair
07 Jan - 31 Jan British Airways
09 Jan - 31 Jan British Airways
28 Jan - 14 Feb British Airways
18 Jan - 26 Jan British Airways
02 Jan - 12 Jan British Airways
20 Jan - 05 Feb Turkish Airlines direct
18 Jan - 26 Jan Turkish Airlines direct
28 Jan - 14 Feb Turkish Airlines direct
07 Jan - 31 Jan Turkish Airlines direct
09 Jan - 31 Jan Turkish Airlines direct
02 Jan - 12 Jan Turkish Airlines direct
01 Jan - 10 Jan Lufthansa

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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