Book Flights from Seoul to Chiang Mai with Thai Airways from KRW749,900

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Find the Best Time and Daily Ticket Prices for Seoul to Chiang Mai

Sep 2026
FromKRW749,900*
Updated: 6 hours ago
Flight Type Round Trip/Economy
Oct 2026
FromKRW749,900*
Updated: 6 hours ago
Flight Type Round Trip/Economy
Nov 2026
FromKRW749,900*
Updated: 6 hours ago
Flight Type Round Trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label KRW749.9K
cmp-daily-histogram-bars-legend-max-price-aria-label KRW1.2M
Displaying fares for September-2026
  • ICN–CNX: cmp-view-offers-disclaimer. Find Offers
    22

    Tu

    SEP

  • ICN–CNX, 23/09/2026 – 01/10/2026: From KRW1,096,200
    23

    We

  • ICN–CNX, 24/09/2026 – 06/10/2026: From KRW1,154,700
    24

    Th

  • ICN–CNX, 25/09/2026 – 01/10/2026: From KRW749,900
    25

    Fr

  • ICN–CNX, 26/09/2026 – 04/10/2026: From KRW750,900
    26

    Sa

  • ICN–CNX, 27/09/2026 – 01/10/2026: From KRW749,900
    27

    Su

  • ICN–CNX, 28/09/2026 – 02/10/2026: From KRW750,900
    28

    Mo

  • ICN–CNX, 29/09/2026 – 30/09/2026: From KRW750,900
    29

    Tu

  • ICN–CNX, 30/09/2026 – 04/10/2026: From KRW772,900
    30

    We

  • ICN–CNX, 01/10/2026 – 07/10/2026: From KRW772,900
    01

    Th

    OCT

  • ICN–CNX, 02/10/2026 – 15/10/2026: From KRW933,400
    02

    Fr

  • ICN–CNX, 03/10/2026 – 04/10/2026: From KRW933,400
    03

    Sa

  • ICN–CNX, 04/10/2026 – 06/10/2026: From KRW772,900
    04

    Su

  • ICN–CNX: cmp-view-offers-disclaimer. Find Offers
    05

    Mo

  • ICN–CNX, 06/10/2026 – 19/10/2026: From KRW750,900
    06

    Tu

  • ICN–CNX, 07/10/2026 – 18/10/2026: From KRW750,900
    07

    We

  • ICN–CNX, 08/10/2026 – 20/10/2026: From KRW750,900
    08

    Th

  • ICN–CNX, 09/10/2026 – 20/10/2026: From KRW772,900
    09

    Fr

  • ICN–CNX, 10/10/2026 – 14/10/2026: From KRW750,900
    10

    Sa

  • ICN–CNX, 11/10/2026 – 23/10/2026: From KRW750,900
    11

    Su

  • ICN–CNX, 12/10/2026 – 23/10/2026: From KRW772,900
    12

    Mo

  • ICN–CNX, 13/10/2026 – 24/10/2026: From KRW932,400
    13

    Tu

  • ICN–CNX, 14/10/2026 – 15/10/2026: From KRW750,900
    14

    We

  • ICN–CNX, 15/10/2026 – 27/10/2026: From KRW750,900
    15

    Th

  • ICN–CNX, 16/10/2026 – 29/10/2026: From KRW750,900
    16

    Fr

  • ICN–CNX, 17/10/2026 – 29/10/2026: From KRW772,900
    17

    Sa

  • ICN–CNX, 18/10/2026 – 25/10/2026: From KRW772,900
    18

    Su

  • ICN–CNX, 19/10/2026 – 26/10/2026: From KRW772,900
    19

    Mo

  • ICN–CNX, 20/10/2026 – 01/11/2026: From KRW750,900
    20

    Tu

  • ICN–CNX, 21/10/2026 – 01/11/2026: From KRW750,900
    21

    We

    • RangeKRW749,900-KRW1,154,700

    *Fares and availability are based on round trip searches for 1 passenger (1 adult) in Economy class in the last 48 hours. Fares are inclusive of tax and surcharges, and subject to availability.

    Best Deals for Seoul to Chiang Mai Flights on Thai Airways

    KRW
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    Best Deals for Seoul to Chiang Mai Flights on Thai Airways
    From
    To
    Fare Type
    Dates
    Price
    Seoul (ICN)Chiang Mai (CNX)​Round trip
    /
    Economy    		17/06/2027 - 24/06/2027

    From

    KRW749,900

    Updated: 12 hours ago

    Seoul (ICN)Chiang Mai (CNX)​Round trip
    /
    Economy    		17/06/2027 - 23/06/2027

    From

    KRW749,900

    Updated: 12 hours ago

    Seoul (ICN)Chiang Mai (CNX)​Round trip
    /
    Economy    		17/06/2027 - 20/06/2027

    From

    KRW749,900

    Updated: 12 hours ago

    Seoul (ICN)Chiang Mai (CNX)​Round trip
    /
    Economy    		17/06/2027 - 22/06/2027

    From

    KRW749,900

    Updated: 12 hours ago

    Seoul (ICN)Chiang Mai (CNX)​Round trip
    /
    Economy    		17/06/2027 - 19/06/2027

    From

    KRW749,900

    Updated: 12 hours ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at the time of booking.

    Popular Business Class Flight Deals from Seoul to Chiang Mai

    KRW
    *Fares displayed have been collected within the last 24hrs and may no longer be available at the time of booking.

    Book Flights from Seoul to Chiang Mai with Thai Airways

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