Cheapest return flights from Seattle to Istanbul in December from 507€

AirHint found the following cheapest return flights from Seattle (SEA) to Istanbul (SAW) in December 2025 (see full year).

Return flights

01 Dec - 05 Dec Icelandair
10 Dec - 17 Dec Icelandair
09 Dec - 23 Dec KLM
04 Dec - 18 Dec Qatar Airways
06 Dec - 20 Dec Qatar Airways
23 Dec - 30 Dec Icelandair
18 Dec - 25 Dec Hawaiian Airlines
15 Dec - 07 Jan Emirates
15 Dec - 10 Jan Emirates
19 Dec - 10 Jan Emirates
14 Dec - 03 Jan Qatar Airways

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

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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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