Cheapest return flights from Seoul (GMP) to Istanbul (IST)

Cheapest month: December 2026, from $ 660. Book in one tap, or open a month for every date.

All destinations from Seoul (GMP)

One-wayReturn

  • October 2026

    28 Oct – 19 Jan 2027 83 nights
    $ 665 return
    China Southern
    Price seen 12 Oct
    October dates

  • December 2026

    14 Dec – 23 Feb 2027 71 nights
    $ 660 return Cheapest month
    China Southern
    Price seen 12 Oct
    December dates

  • April 2027

    1–7 Apr 2027 6 nights
    $ 755 return
    Air China
    Price seen 12 Oct
    April dates

  • August 2027

    1 Aug – 1 Oct 2027 61 nights
    $ 2,002 return
    Air China
    Price seen 12 Oct
    August dates

  • September 2027

    21 Sep – 3 Oct 2027 12 nights
    $ 745 return
    Air China
    Price seen 12 Oct
    September dates
Powered by

Deals for one-way flights from Seoul to Istanbul.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul Airport

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.

Feel free to contact us with any feedback or request another flight research.