Cheapest return flights from Istanbul (IST) to Seattle (SEA)

Cheapest month: December 2026, from $ 636. Book in one tap, or open a month for every date.

All destinations from Istanbul (IST)

One-wayReturn

  • October 2026

    26–29 Oct 3 nights
    $ 747 return
    Direct Turkish Airlines
    Price seen 12 Oct
    October dates

  • November 2026

    2–25 Nov 23 nights
    $ 645 return
    Direct Turkish Airlines
    Price seen 12 Oct
    November dates

  • December 2026

    23–31 Dec 8 nights
    $ 636 return Cheapest month
    Direct Turkish Airlines
    Price seen 12 Oct
    December dates

  • February 2027

    8–17 Feb 2027 9 nights
    $ 647 return
    Direct Turkish Airlines
    Price seen 13 Oct
    February dates

  • May 2027

    13–22 May 2027 9 nights
    $ 646 return
    KLM
    Price seen 12 Oct
    May dates

  • September 2027

    24 Sep – 6 Oct 2027 12 nights
    $ 744 return
    Lufthansa
    Price seen 12 Oct
    September dates
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Updated Oct 13, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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