Book Flights from Seoul to Chiang Mai with Thai Airways from KRW690,300

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

Oct 2026
FromKRW690,300*
Updated: 4 hours ago
Flight Type Round Trip/Economy
Nov 2026
FromKRW720,300*
Updated: 4 hours ago
Flight Type Round Trip/Economy
Dec 2026
FromKRW720,300*
Updated: 4 hours ago
Flight Type Round Trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label KRW690.3K
cmp-daily-histogram-bars-legend-max-price-aria-label KRW940.5K
Displaying fares for October-2026
  • ICN–CNX: cmp-view-offers-disclaimer. Find Offers
    05

    Mo

    OCT

  • ICN–CNX, 06/10/2026 – 15/10/2026: From KRW711,900
    06

    Tu

  • ICN–CNX, 07/10/2026 – 21/10/2026: From KRW708,100
    07

    We

  • ICN–CNX, 08/10/2026 – 14/10/2026: From KRW711,900
    08

    Th

  • ICN–CNX, 09/10/2026 – 15/10/2026: From KRW708,100
    09

    Fr

  • ICN–CNX, 10/10/2026 – 24/10/2026: From KRW694,100
    10

    Sa

  • ICN–CNX, 11/10/2026 – 24/10/2026: From KRW690,300
    11

    Su

  • ICN–CNX, 12/10/2026 – 26/10/2026: From KRW690,300
    12

    Mo

  • ICN–CNX, 13/10/2026 – 26/10/2026: From KRW694,100
    13

    Tu

  • ICN–CNX, 14/10/2026 – 28/10/2026: From KRW690,300
    14

    We

  • ICN–CNX, 15/10/2026 – 27/10/2026: From KRW690,300
    15

    Th

  • ICN–CNX, 16/10/2026 – 28/10/2026: From KRW694,100
    16

    Fr

  • ICN–CNX, 17/10/2026 – 31/10/2026: From KRW708,100
    17

    Sa

  • ICN–CNX, 18/10/2026 – 24/10/2026: From KRW909,400
    18

    Su

  • ICN–CNX, 19/10/2026 – 01/11/2026: From KRW708,100
    19

    Mo

  • ICN–CNX, 20/10/2026 – 26/10/2026: From KRW708,100
    20

    Tu

  • ICN–CNX, 21/10/2026 – 27/10/2026: From KRW711,900
    21

    We

  • ICN–CNX, 22/10/2026 – 24/10/2026: From KRW909,400
    22

    Th

  • ICN–CNX, 23/10/2026 – 05/11/2026: From KRW940,500
    23

    Fr

  • ICN–CNX, 24/10/2026 – 27/10/2026: From KRW913,200
    24

    Sa

  • ICN–CNX, 25/10/2026 – 26/10/2026: From KRW940,500
    25

    Su

  • ICN–CNX, 26/10/2026 – 27/10/2026: From KRW913,200
    26

    Mo

  • ICN–CNX, 27/10/2026 – 28/10/2026: From KRW711,900
    27

    Tu

  • ICN–CNX, 28/10/2026 – 29/10/2026: From KRW722,800
    28

    We

  • ICN–CNX, 29/10/2026 – 31/10/2026: From KRW708,100
    29

    Th

  • ICN–CNX, 30/10/2026 – 05/11/2026: From KRW726,600
    30

    Fr

  • ICN–CNX, 31/10/2026 – 05/11/2026: From KRW726,600
    31

    Sa

  • ICN–CNX, 01/11/2026 – 03/11/2026: From KRW737,800
    01

    Su

    NOV

  • ICN–CNX, 02/11/2026 – 03/11/2026: From KRW737,800
    02

    Mo

  • ICN–CNX, 03/11/2026 – 17/11/2026: From KRW720,300
    03

    Tu

  • ICN–CNX, 04/11/2026 – 16/11/2026: From KRW737,800
    04

    We

    • RangeKRW690,300-KRW940,500

    *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

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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    		31/03/2027 - 05/04/2027

    From

    KRW690,300

    Updated: 4 hours ago

    Seoul (ICN)Chiang Mai (CNX)​Round trip
    /
    Economy    		31/03/2027 - 01/04/2027

    From

    KRW690,300

    Updated: 4 hours ago

    Seoul (ICN)Chiang Mai (CNX)​Round trip
    /
    Economy    		31/03/2027 - 11/04/2027

    From

    KRW690,300

    Updated: 4 hours ago

    Seoul (ICN)Chiang Mai (CNX)​Round trip
    /
    Economy    		31/03/2027 - 06/04/2027

    From

    KRW690,300

    Updated: 4 hours ago

    Seoul (ICN)Chiang Mai (CNX)​Round trip
    /
    Economy    		31/03/2027 - 12/04/2027

    From

    KRW690,300

    Updated: 4 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

    *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