Title: Cheap Flights from Seoul (GMP) to Samui Intl. Airport (USM) - Expedia.ca ![](https://images.trvl-media.com/place/6035013/26cceeb4-7a5f-4132-838c-9d0a557db5d2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6035013/26cceeb4-7a5f-4132-838c-9d0a557db5d2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Seoul (GMP) to Samui Intl. Airport (USM) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Gimpo Intl. Airport (GMP) to Samui Intl. Airport (USM) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:gmp,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:gmp,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:gmp,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:gmp,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:gmp,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:gmp,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:gmp,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:gmp,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:gmp,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:gmp,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:gmp,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:gmp,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:gmp,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:gmp,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Seoul (GMP) to Samui Intl. Airport (USM) Prices were available within the past 7 days and start at for one-way flights and CA $2,010 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,010 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2009.90&airProductToken=AQp-CicIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIFWUxPS0MKLgjIqgESBDc5MjkYj1Egx5oBKKTK_wIwpc3_AjhRQAFYAWoDQkFTcgZRTzc3MVkKIwjQjgESAzQwOBjHmgEg1GQovtL_AjD10v8COFlAAVgBcgFZCnMKJAjQjgESAzgwNRjUZCDHMii4tYEDMPu2gQM4WUAAWAFyA1lPVwokCMiwARIDMzA0GMcyII9RKKe5gQMw5bqBAzhTQAFYAXIDWU9XCiUIz7QBEgQzMzY1GI9RIIZ7KO-_gQMw4sCBAzhZQAFYAXIDWU9XEgoIARABGAEqAkhVGAEiBAgBEAEoAigEKAYwAQ) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,016 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2015.50&airProductToken=AQp-CicIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIFWUxPS0MKLgjIqgESBDc5MjkYj1Egx5oBKKTK_wIwpc3_AjhRQAFYAWoDQkFTcgZRTzc3MVkKIwjQjgESAzI1MhjHmgEg1GQoxdP_AjD80_8COFlAAVgBcgFZCnMKJAjQjgESAzgwNRjUZCDHMii4tYEDMPu2gQM4WUAAWAFyA1lPVwokCMiwARIDMzA0GMcyII9RKKe5gQMw5bqBAzhTQAFYAXIDWU9XCiUIz7QBEgQzMzY1GI9RIIZ7KO-_gQMw4sCBAzhZQAFYAXIDWU9XEgoIARABGAEqAkhVGAEiBAgBEAEoAigEKAYwAQ) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,023 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2022.50&airProductToken=AQp-CicIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIFWUxPS0MKLgjIqgESBDc5MjkYj1Egx5oBKKTK_wIwpc3_AjhRQAFYAWoDQkFTcgZRTzc3MVkKIwjQjgESAzQwOBjHmgEg1GQovtL_AjD10v8COFlAAVgBcgFZCnEKIgjQjgESAzE2NhjUZCDBUijSuIEDMJ25gQM4WUAAWAFyAVkKJAjDggESAzk4MBjBUiCPUSj2u4EDMI6-gQM4UUABWAFyA1lPVwolCM-0ARIEMzM2NRiPUSCGeyjvv4EDMOLAgQM4WUABWAFyA1lPVxIKCAEQARgBKgJIVRgBIgQIARABKAIoBCgGMAE) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,029 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2028.10&airProductToken=AQp-CicIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIFWUxPS0MKLgjIqgESBDc5MjkYj1Egx5oBKKTK_wIwpc3_AjhRQAFYAWoDQkFTcgZRTzc3MVkKIwjQjgESAzI1NBjHmgEg1GQokNT_AjDH1P8COFlAAVgBcgFZCnEKIgjQjgESAzE2NhjUZCDBUijSuIEDMJ25gQM4WUAAWAFyAVkKJAjDggESAzk4MBjBUiCPUSj2u4EDMI6-gQM4UUABWAFyA1lPVwolCM-0ARIEMzM2NRiPUSCGeyjvv4EDMOLAgQM4WUABWAFyA1lPVxIKCAEQARgBKgJIVRgBIgQIARABKAIoBCgGMAE) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,037 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2036.80&airProductToken=AQp-CicIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIFWUxPS0MKLgjIqgESBDc5MjkYj1Egx5oBKKTK_wIwpc3_AjhRQAFYAWoDQkFTcgZRTzc3MVkKIwjQjgESAzQwOBjHmgEg1GQovtL_AjD10v8COFlAAVgBcgFZCnEKIgjQjgESAzEwNhjUZCDBUij6s4EDMMW0gQM4WUAAWAFyAVkKJAjDggESAzk4MBjBUiCPUSj2u4EDMI6-gQM4UUABWAFyA1lPVwolCM-0ARIEMzM2NRiPUSCGeyjvv4EDMOLAgQM4WUABWAFyA1lPVxIKCAEQARgBKgJIVRgBIgQIARABKAIoBCgGMAE) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,043 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2042.40&airProductToken=AQp-CicIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIFWUxPS0MKLgjIqgESBDc5MjkYj1Egx5oBKKTK_wIwpc3_AjhRQAFYAWoDQkFTcgZRTzc3MVkKIwjQjgESAzI1NBjHmgEg1GQokNT_AjDH1P8COFlAAVgBcgFZCnEKIgjQjgESAzEyMhjUZCDBUiistIEDMPe0gQM4WUAAWAFyAVkKJAjDggESAzk4MBjBUiCPUSj2u4EDMI6-gQM4UUABWAFyA1lPVwolCM-0ARIEMzM2NRiPUSCGeyjvv4EDMOLAgQM4WUABWAFyA1lPVxIKCAEQARgBKgJIVRgBIgQIARABKAIoBCgGMAE) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,089 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2088.40&airProductToken=AQqOAQotCMuKARIEMjA1MRiGeyCPUSiAx_8CMJHI_wI4WUAAWAFqBkVZRkxFWHIDWVJUCi4IyKoBEgQ3OTI5GI9RIMeaASikyv8CMKXN_wI4VkABWAFqBkVZRkxFWHIDWVJUCi0I0I4BEgM0MDgYx5oBINRkKL7S_wIw9dL_AjhZQAFYAWoGRVlGTEVYcgNZUlQKiwEKLAjQjgESAzgwNRjUZCDHMii4tYEDMPu2gQM4WUAAWAFqBkVZRkxFWHIDWVJUCiwIw7ABEgMzNzQYxzIgj1EoxbmBAzCXu4EDOFNAAVgBagZFWUZMRVhyA1lSVAotCMuKARIEMjA1MhiPUSCGeyihwIEDMJnBgQM4WUABWAFqBkVZRkxFWHIDWVJUEgoIARABGAEqAktFGAEiBAgBEAEoAigEKAYwAQ) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,094 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2094.00&airProductToken=AQqOAQotCMuKARIEMjA1MRiGeyCPUSiAx_8CMJHI_wI4WUAAWAFqBkVZRkxFWHIDWVJUCi4IyKoBEgQ3OTI5GI9RIMeaASikyv8CMKXN_wI4VkABWAFqBkVZRkxFWHIDWVJUCi0I0I4BEgMyNTAYx5oBINRkKIPV_wIwutX_AjhZQAFYAWoGRVlGTEVYcgNZUlQKiwEKLAjQjgESAzgwNRjUZCDHMii4tYEDMPu2gQM4WUAAWAFqBkVZRkxFWHIDWVJUCiwIw7ABEgMzNzQYxzIgj1EoxbmBAzCXu4EDOFNAAVgBagZFWUZMRVhyA1lSVAotCMuKARIEMjA1MhiPUSCGeyihwIEDMJnBgQM4WUABWAFqBkVZRkxFWHIDWVJUEgoIARABGAEqAktFGAEiBAgBEAEoAigEKAYwAQ) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,150 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2149.80&airProductToken=AQqOAQotCMuKARIEMjA1MRiGeyCPUSiAx_8CMJHI_wI4WUAAWAFqBkVZRkxFWHIDWVJUCi4IyKoBEgQ3OTI5GI9RIMeaASikyv8CMKXN_wI4VkABWAFqBkVZRkxFWHIDWVJUCi0I0I4BEgM0MDgYx5oBINRkKL7S_wIw9dL_AjhZQAFYAWoGRVlGTEVYcgNZUlQKcwokCNCOARIDODA1GNRkIMcyKLi1gQMw-7aBAzhZQABYAXIDWVJUCiQIw7ABEgMzNzQYxzIgj1EoxbmBAzCXu4EDOFNAAVgBcgNZUlQKJQjPtAESBDMzNjUYj1Eghnso77-BAzDiwIEDOFlAAVgBcgNZUlQSCggBEAEYASoCT1oYASIECAEQASgCKAQoBjAB) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,152 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2151.80&airProductToken=AQp2CiUIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIDWVJUCiYIyKoBEgQ3OTI5GI9RIMeaASikyv8CMKXN_wI4VkABWAFyA1lSVAolCNCOARIDNDA4GMeaASDUZCi-0v8CMPXS_wI4WUABWAFyA1lSVAqLAQosCNCOARIDODA1GNRkIMcyKLi1gQMw-7aBAzhZQABYAWoGRVlGTEVYcgNZUlQKLAjDsAESAzM3NBjHMiCPUSjFuYEDMJe7gQM4U0ABWAFqBkVZRkxFWHIDWVJUCi0Iy4oBEgQyMDUyGI9RIIZ7KKHAgQMwmcGBAzhZQAFYAWoGRVlGTEVYcgNZUlQSCggBEAEYASoCT1oYASIECAEQASgCKAQoBjAB) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,156 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2155.40&airProductToken=AQqOAQotCMuKARIEMjA1MRiGeyCPUSiAx_8CMJHI_wI4WUAAWAFqBkVZRkxFWHIDWVJUCi4IyKoBEgQ3OTI5GI9RIMeaASikyv8CMKXN_wI4VkABWAFqBkVZRkxFWHIDWVJUCi0I0I4BEgMyNTQYx5oBINRkKJDU_wIwx9T_AjhZQAFYAWoGRVlGTEVYcgNZUlQKcwokCNCOARIDODA1GNRkIMcyKLi1gQMw-7aBAzhZQABYAXIDWVJUCiQIw7ABEgMzNzQYxzIgj1EoxbmBAzCXu4EDOFNAAVgBcgNZUlQKJQjPtAESBDMzNjUYj1Eghnso77-BAzDiwIEDOFlAAVgBcgNZUlQSCggBEAEYASoCT1oYASIECAEQASgCKAQoBjAB) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,158 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2157.40&airProductToken=AQp2CiUIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIDWVJUCiYIyKoBEgQ3OTI5GI9RIMeaASikyv8CMKXN_wI4VkABWAFyA1lSVAolCNCOARIDMjU0GMeaASDUZCiQ1P8CMMfU_wI4WUABWAFyA1lSVAqLAQosCNCOARIDODA1GNRkIMcyKLi1gQMw-7aBAzhZQABYAWoGRVlGTEVYcgNZUlQKLAjDsAESAzM0NBjHMiCPUSiquIEDMPe5gQM4U0ABWAFqBkVZRkxFWHIDWVJUCi0Iy4oBEgQyMDUyGI9RIIZ7KKHAgQMwmcGBAzhZQAFYAWoGRVlGTEVYcgNZUlQSCggBEAEYASoCT1oYASIECAEQASgCKAQoBjAB) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,158 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2157.60&airProductToken=AQpzCiUIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIDWVJUCiQIw4IBEgM5NzkYj1EgwVIo0Mz_AjCGz_8COFFAAVgBcgNZUlQKJAjQjgESAzEyNxjBUiDUZCis0_8CMPfT_wI4WUABWAFyA1lSVAqLAQosCNCOARIDODA1GNRkIMcyKLi1gQMw-7aBAzhZQABYAWoGRVlGTEVYcgNZUlQKLAjDsAESAzM0NBjHMiCPUSiquIEDMPe5gQM4U0ABWAFqBkVZRkxFWHIDWVJUCi0Iy4oBEgQyMDUyGI9RIIZ7KKHAgQMwmcGBAzhZQAFYAWoGRVlGTEVYcgNZUlQSCggBEAEYASoCT1oYASIECAEQASgCKAQoBjAB) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,164 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2163.20&airProductToken=AQpzCiUIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIDWVJUCiQIw4IBEgM5NTkYj1EgwVIo6Mn_AjCZzP8COFFAAVgBcgNZUlQKJAjQjgESAzEyMxjBUiDUZCjh0v8CMKzT_wI4S0ABWAFyA1lSVAqLAQosCNCOARIDODA1GNRkIMcyKLi1gQMw-7aBAzhZQABYAWoGRVlGTEVYcgNZUlQKLAjDsAESAzM0NBjHMiCPUSiquIEDMPe5gQM4U0ABWAFqBkVZRkxFWHIDWVJUCi0Iy4oBEgQyMDUyGI9RIIZ7KKHAgQMwmcGBAzhZQAFYAWoGRVlGTEVYcgNZUlQSCggBEAEYASoCT1oYASIECAEQASgCKAQoBjAB) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,164 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2163.70&airProductToken=AQqOAQotCMuKARIEMjA1MRiGeyCPUSiAx_8CMJHI_wI4WUAAWAFqBkVZRkxFWHIDWVJUCi4IyKoBEgQ3OTI5GI9RIMeaASikyv8CMKXN_wI4VkABWAFqBkVZRkxFWHIDWVJUCi0I0I4BEgMyNTAYx5oBINRkKIPV_wIwutX_AjhZQAFYAWoGRVlGTEVYcgNZUlQKcwokCNCOARIDODA1GNRkIMcyKLi1gQMw-7aBAzhZQABYAXIDWVJUCiQIyLABEgMzMDQYxzIgj1Eop7mBAzDluoEDOFNAAVgBcgNZUlQKJQjPtAESBDMzNjUYj1Eghnso77-BAzDiwIEDOFlAAVgBcgNZUlQSCggBEAEYASoCT1oYASIECAEQASgCKAQoBjAB) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,181 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2181.00&airProductToken=AQp2CiUIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIDWVJUCiYIyKoBEgQ3OTI5GI9RIMeaASikyv8CMKXN_wI4VkABWAFyA1lSVAolCNCOARIDNDA4GMeaASDUZCi-0v8CMPXS_wI4WUABWAFyA1lSVApzCiQI0I4BEgM4MDUY1GQgxzIouLWBAzD7toEDOFlAAFgBcgNZUlQKJAjDsAESAzM0NBjHMiCPUSiquIEDMPe5gQM4U0ABWAFyA1lSVAolCM-0ARIEMzM2NRiPUSCGeyjvv4EDMOLAgQM4WUABWAFyA1lSVBIKCAEQARgBKgJPWhgBIgQIARABKAIoBCgGMAE) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,186 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2185.80&airProductToken=AQpzCiUIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIDWVJUCiQIw4IBEgM5NzkYj1EgwVIo0Mz_AjCGz_8COFFAAVgBcgNZUlQKJAjQjgESAzEzMxjBUiDUZCip1P8CMO_U_wI4WUABWAFyA1lSVApzCiQI0I4BEgM4MDUY1GQgxzIouLWBAzD7toEDOFlAAFgBcgNZUlQKJAjDsAESAzM0NBjHMiCPUSiquIEDMPe5gQM4U0ABWAFyA1lSVAolCM-0ARIEMzM2NRiPUSCGeyjvv4EDMOLAgQM4WUABWAFyA1lSVBIKCAEQARgBKgJPWhgBIgQIARABKAIoBCgGMAE) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,187 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2186.60&airProductToken=AQp2CiUIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIDWVJUCiYIyKoBEgQ3OTI5GI9RIMeaASikyv8CMKXN_wI4VkABWAFyA1lSVAolCNCOARIDMjU0GMeaASDUZCiQ1P8CMMfU_wI4WUABWAFyA1lSVApzCiQI0I4BEgM4MDUY1GQgxzIouLWBAzD7toEDOFlAAFgBcgNZUlQKJAjDsAESAzM3NBjHMiCPUSjFuYEDMJe7gQM4U0ABWAFyA1lSVAolCM-0ARIEMzM2NRiPUSCGeyjvv4EDMOLAgQM4WUABWAFyA1lSVBIKCAEQARgBKgJPWhgBIgQIARABKAIoBCgGMAE) ![Asiana Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/oz.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,192 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2191.40&airProductToken=AQpzCiUIz7QBEgQzMzU1GIZ7II9RKOfG_wIw7sf_AjhZQABYAXIDWVJUCiQIw4IBEgM5NTkYj1EgwVIo6Mn_AjCZzP8COFFAAVgBcgNZUlQKJAjQjgESAzEwORjBUiDUZCju0f8CMM3S_wI4SEABWAFyA1lSVApzCiQI0I4BEgM4MDUY1GQgxzIouLWBAzD7toEDOFlAAFgBcgNZUlQKJAjDsAESAzM3NBjHMiCPUSjFuYEDMJe7gQM4U0ABWAFyA1lSVAolCM-0ARIEMzM2NRiPUSCGeyjvv4EDMOLAgQM4WUABWAFyA1lSVBIKCAEQARgBKgJPWhgBIgQIARABKAIoBCgGMAE) ![Korean Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ke.gif) Sat, Dec 13 - Sat, Jan 3 GMP Seoul USM Koh Samui CA $2,194 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:GMP,to:USM,departure:13/12/2025TANYT&leg2=from:USM,to:GMP,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2193.70&airProductToken=AQqOAQotCMuKARIEMjA1MRiGeyCPUSiAx_8CMJHI_wI4WUAAWAFqBkVZRkxFWHIDWVJUCi4IyKoBEgQ3OTI5GI9RIMeaASikyv8CMKXN_wI4VkABWAFqBkVZRkxFWHIDWVJUCi0I0I4BEgM0MDgYx5oBINRkKL7S_wIw9dL_AjhZQAFYAWoGRVlGTEVYcgNZUlQKdAolCNCOARIEMTE0OBjUZCDBUijgtYEDMLC2gQM4WUAAWAFyA1lSVAokCMOCARIDOTgwGMFSII9RKPa7gQMwjr6BAzhRQAFYAXIDWVJUCiUIz7QBEgQzMzY1GI9RIIZ7KO-_gQMw4sCBAzhZQAFYAXIDWVJUEgoIARABGAEqAk9aGAEiBAgBEAEoAigEKAYwAQ) ## Frequently asked questions ### How much is a flight from Gimpo Intl. Airport (GMP) to Ko Samui Airport (USM)? > Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Gimpo Airport to USM start from CA $2,010. Book now to score the best price for your trip. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Gimpo Intl. Airport (GMP) to Ko Samui Airport? > Each air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from GMP to USM that have flexible change policies? > Flights from Gimpo Airport to USM with flexible change policies are available from several carriers. Simply use our "No change fees" filter during your search. You'll only need to cover the difference in ticket price, with no added fees to worry about. ### How far is the flight from Gimpo Airport to USM? > With a flight distance of 4,100 kilometres from GMP to USM, this is a long journey. Ensure that you drink plenty of water and move around the cabin every so often. ### Which airlines fly direct from Gimpo Intl. Airport (GMP) to Ko Samui Airport? > Direct flights aren't available, so you'll need to make at least one stop between Gimpo Airport and Ko Samui Airport. Make the most of the layover time to stretch your legs and freshen up. ### Are Gimpo Airport to Ko Samui Airport (USM) flight tickets cheaper when they're purchased at the last minute? > Fares from Gimpo Airport to Ko Samui Airport (USM) are available up to 12 months before departure on Expedia. And although you may occasionally pick up a fantastic last-minute deal, it's not something you should bank on. Also, booking your flights well in advance means you'll have more options — and you can avoid getting stuck in the dreaded middle seat! We regularly update our fares to bring you the best bargains, so keep checking in for all the latest specials. ## Travel information | Origin airport | Gimpo Intl. | | --- | --- | | Destination airport | Samui Intl. Airport | | Roundtrip price | CA $2,010 | | Distance | 4083 km | ## Book with confidence ### Seoul to Koh Samui Flights **The easy way to book your flights from Seoul to Samui Intl. Airport**  With Expedia, it’s simple to find and book flights to Samui Intl. Airport from Seoul whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Samui Intl. Airport, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seoul to Samui Intl. Airport today, tomorrow, or this week.   **Save dollars with cheap flights from Gimpo Intl., GMP to Samui Intl. Airport, USM**  Sort your search results by price to find great deals on your flight from Seoul to Samui Intl. Airport—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Samui Intl. Airport from Seoul currently is just CA $2,010 rising to CA $2,194.   Here are more money-saving tips:  - Fly in December when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Samui Intl. Airport   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Samui Intl. Airport from Seoul**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Samui Intl. Airport with Expedia today. \*Available to Expedia members.