Cheapest return flights from Chiang Mai (CNX) to Seoul (ICN)

Cheapest month: October 2026, from $ 239. Book in one tap, or open a month for every date.

All destinations from Chiang Mai (CNX)

One-wayReturn

  • October 2026

    25–29 Oct 4 nights
    $ 239 return Cheapest month
    Direct Air Busan
    Price seen 17 Oct
    October dates

  • November 2026

    20 Nov – 6 Dec 16 nights
    $ 328 return
    Direct Eastar Jet
    Price seen 17 Oct
    November dates

  • December 2026

    20 Dec – 6 Jan 2027 17 nights
    $ 357 return
    Air China
    Price seen 17 Oct
    December dates

  • January 2027

    31 Jan – 21 Feb 2027 21 nights
    $ 485 return
    Direct Eastar Jet
    Price seen 17 Oct
    January dates

  • February 2027

    19 Feb – 2 May 2027 72 nights
    $ 578 return
    Malaysia Airlines
    Price seen 16 Oct
    February dates

  • March 2027

    19 Mar – 2 May 2027 44 nights
    $ 638 return
    Direct Eastar Jet
    Price seen 16 Oct
    March dates

  • April 2027

    22 Apr – 8 May 2027 16 nights
    $ 388 return
    Direct Eastar Jet
    Price seen 17 Oct
    April dates

  • May 2027

    13–22 May 2027 9 nights
    $ 362 return
    Direct Eastar Jet
    Price seen 17 Oct
    May dates

  • June 2027

    30 Jun – 10 Jul 2027 10 nights
    $ 374 return
    Direct Eastar Jet
    Price seen 16 Oct
    June dates

  • July 2027

    1–10 Jul 2027 9 nights
    $ 387 return
    Direct Eastar Jet
    Price seen 16 Oct
    July dates

  • September 2027

    9–18 Sep 2027 9 nights
    $ 374 return
    Direct Eastar Jet
    Price seen 16 Oct
    September dates
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Updated Oct 17, 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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