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

Cheapest month: December 2026, from $ 294. Book in one tap, or open a month for every date.

All destinations from Seoul (ICN)

One-wayReturn

  • November 2026

    29 Nov – 28 Jan 2027 60 nights
    $ 333 return
    China Eastern
    Price seen 14 Oct
    November dates

  • December 2026

    6–14 Dec 8 nights
    $ 294 return Cheapest month
    Direct Eastar Jet
    Price seen 14 Oct
    December dates

  • January 2027

    28 Jan – 17 Feb 2027 20 nights
    $ 400 return
    Direct Eastar Jet
    Price seen 13 Oct
    January dates

  • March 2027

    9 Mar – 18 Aug 2027 162 nights
    $ 351 return
    Thai VietJet Air
    Price seen 13 Oct
    March dates

  • April 2027

    25 Apr – 13 May 2027 18 nights
    $ 387 return
    Direct Eastar Jet
    Price seen 14 Oct
    April dates

  • May 2027

    6–13 May 2027 7 nights
    $ 360 return
    Direct Eastar Jet
    Price seen 14 Oct
    May dates

  • June 2027

    9–16 Jun 2027 7 nights
    $ 337 return
    Thai VietJet Air
    Price seen 14 Oct
    June dates

  • July 2027

    3–7 Jul 2027 4 nights
    $ 385 return
    Direct Eastar Jet
    Price seen 14 Oct
    July dates

  • August 2027

    21–25 Aug 2027 4 nights
    $ 385 return
    Direct Eastar Jet
    Price seen 13 Oct
    August dates

  • September 2027

    18–22 Sep 2027 4 nights
    $ 372 return
    Direct Eastar Jet
    Price seen 14 Oct
    September dates
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Updated Oct 14, 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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