Title: Seoul to Samui Intl. Airport cheap flights from $179 (ICN to USM) - Expedia.com ![](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) # $179 Cheap Flights from Seoul (ICN) to Samui Intl. Airport (USM) [View $179 flight on Mon, Nov 23, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:ICN,to:USM,departure:11/23/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:178.33&airProductToken=AQpkCjAI1KQBEgM4NDMYyGggkmoou_GdAzDG9J0DOE9AAFgBagVCQVNJQ3IITzFDT0RLUkEKMAjUpAESAzY0MBiSaiDUZCiE-50DMPz7nQM4T0AAWAFqBUJBU0lDcghPMUNPREtSQRIMCAsQARgIKgJUUjIAGAEiBAgBEAEoAjAD) ## Popular airlines from Incheon Intl. Airport (ICN) to Samui Intl. Airport (USM) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TR.svg) Scoot [](https://www.expedia.com/Flights-Search?leg1=from:ICN,to:USM,departure:4/15/2026TANYT&leg2=from:USM,to:ICN,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TR"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CX.svg) Cathay Pacific [](https://www.expedia.com/Flights-Search?leg1=from:ICN,to:USM,departure:4/15/2026TANYT&leg2=from:USM,to:ICN,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CX"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SQ.svg) Singapore Airlines [](https://www.expedia.com/Flights-Search?leg1=from:ICN,to:USM,departure:4/15/2026TANYT&leg2=from:USM,to:ICN,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SQ"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TG.svg) Thai Airways International [](https://www.expedia.com/Flights-Search?leg1=from:ICN,to:USM,departure:4/15/2026TANYT&leg2=from:USM,to:ICN,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TG"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VN.svg) Vietnam Airlines [](https://www.expedia.com/Flights-Search?leg1=from:ICN,to:USM,departure:4/15/2026TANYT&leg2=from:USM,to:ICN,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BR.svg) EVA Airways [](https://www.expedia.com/Flights-Search?leg1=from:ICN,to:USM,departure:4/15/2026TANYT&leg2=from:USM,to:ICN,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BR"}}]) - ![](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\* - ![](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\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Seoul to Samui Intl. Airport (ICN-USM) Prices were available within the past 7 days and start at $179 for one-way flights and $381 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Scoot](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TR.gif) Sun, Jun 7 - Thu, Jun 11 ICN Seoul USM Koh Samui $381 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ICN,to:USM,departure:6/7/2026TANYT&leg2=from:USM,to:ICN,departure:6/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:380.34&airProductToken=AQpkCjAI1KQBEgM4NDMYyGggkmoo-IOPAzD5ho8DOE9AAFgBagVCQVNJQ3IITzFDT0RLUkEKMAjUpAESAzY0OBiSaiDUZCjTh48DMMaIjwM4T0AAWAFqBUJBU0lDcghPMUNPREtSQQpkCjAI1KQBEgM2NDkY1GQgkmoo_bWPAzD1to8DOE9AAFgBagVCQVNJQ3IITzFDT0RLUkEKMAjUpAESAzg3MhiSaiDIaCipvY8DMJ3BjwM4T0AAWAFqBUJBU0lDcghPMUNPREtSQRIKCAsQARgIKgJUUhgBIgQIARABKAIwAw) ![Scoot](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TR.gif) Sun, May 10 - Tue, May 19 ICN Seoul USM Koh Samui $420 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ICN,to:USM,departure:5/10/2026TANYT&leg2=from:USM,to:ICN,departure:5/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:420.00&airProductToken=AQpkCjAI1KQBEgM4NDMYyGggkmoo-MiMAzD5y4wDOE9AAFgBagVCQVNJQ3IITzFDT0RLUkEKMAjUpAESAzY0OBiSaiDUZCjTzIwDMMbNjAM4T0AAWAFqBUJBU0lDcghPMUNPREtSQQpkCjAI1KQBEgM2NDkY1GQgkmoonbONAzCVtI0DOE5AAFgBagVCQVNJQ3IITjFDT0RLUkEKMAjUpAESAzg3MhiSaiDIaCjJuo0DML2-jQM4TkAAWAFqBUJBU0lDcghOMUNPREtSQRIKCAsQARgIKgJUUhgBIgQIARABKAIwAw) ![Scoot](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TR.gif) Sun, Jun 7 - Thu, Jun 11 ICN Seoul USM Koh Samui $422 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ICN,to:USM,departure:6/7/2026TANYT&leg2=from:USM,to:ICN,departure:6/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:421.25&airProductToken=AQpkCjAI1KQBEgM4NDMYyGggkmoo-IOPAzD5ho8DOE5AAFgBagVCQVNJQ3IITjFDT0RLUkEKMAjUpAESAzY0MBiSaiDUZCjkjY8DMM2OjwM4TkAAWAFqBUJBU0lDcghOMUNPREtSQQpkCjAI1KQBEgM2NDkY1GQgkmoo_bWPAzD1to8DOE9AAFgBagVCQVNJQ3IITzFDT0RLUkEKMAjUpAESAzg3MhiSaiDIaCipvY8DMJ3BjwM4T0AAWAFqBUJBU0lDcghPMUNPREtSQRIKCAsQARgIKgJUUhgBIgQIARABKAIwAw) ![Scoot](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TR.gif) Mon, Apr 20 - Wed, May 6 ICN Seoul USM Koh Samui $425 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ICN,to:USM,departure:4/20/2026TANYT&leg2=from:USM,to:ICN,departure:5/6/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:424.99&airProductToken=AQpkCjAI1KQBEgM4NDMYyGggkmoo-OeKAzD56ooDOE9AAFgBagVCQVNJQ3IITzFDT0RLUkEKMAjUpAESAzY0OBiSaiDUZCjT64oDMMbsigM4T0AAWAFqBUJBU0lDcghPMUNPREtSQQpkCjAI1KQBEgM2NDkY1GQgkmoo_aCMAzD1oYwDOE5AAFgBagVCQVNJQ3IITjFDT0RLUkEKMAjUpAESAzg3MhiSaiDIaCipqIwDMJ2sjAM4TkAAWAFqBUJBU0lDcghOMUNPREtSQRIKCAsQARgIKgJUUhgBIgQIARABKAIwAw) ![Scoot](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TR.gif) Sun, May 10 - Tue, May 19 ICN Seoul USM Koh Samui $435 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ICN,to:USM,departure:5/10/2026TANYT&leg2=from:USM,to:ICN,departure:5/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:434.99&airProductToken=AQpkCjAI1KQBEgM4NDMYyGggkmoo-MiMAzD5y4wDOE9AAFgBagVCQVNJQ3IITzFDT0RLUkEKMAjUpAESAzY0MBiSaiDUZCjk0owDMM3TjAM4T0AAWAFqBUJBU0lDcghPMUNPREtSQQpkCjAI1KQBEgM2NDkY1GQgkmoonbONAzCVtI0DOFdAAFgBagVCQVNJQ3IIVzFDT0RLUkEKMAjUpAESAzg0MhiSaiDIaCiFto0DMIu5jQM4V0AAWAFqBUJBU0lDcghXMUNPREtSQRIKCAsQARgIKgJUUhgBIgQIARABKAIwAw) ![Scoot](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TR.gif) Sat, May 16 - Tue, May 19 ICN Seoul USM Koh Samui $437 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ICN,to:USM,departure:5/16/2026TANYT&leg2=from:USM,to:ICN,departure:5/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:436.90&airProductToken=AQpkCjAI1KQBEgM4NzMYyGggkmooiJKNAzDolY0DOE9AAFgBagVCQVNJQ3IITzFDT0RLUkEKMAjUpAESAzY0OBiSaiDUZCizm40DMKacjQM4T0AAWAFqBUJBU0lDcghPMUNPREtSQQpkCjAI1KQBEgM2NDkY1GQgkmoonbONAzCVtI0DOE5AAFgBagVCQVNJQ3IITjFDT0RLUkEKMAjUpAESAzg3MhiSaiDIaCjJuo0DML2-jQM4TkAAWAFqBUJBU0lDcghOMUNPREtSQRIKCAsQARgIKgJUUhgBIgQIARABKAIwAw) ![Singapore Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SQ.gif) Sun, Jun 7 - Thu, Jun 11 ICN Seoul USM Koh Samui $488 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ICN,to:USM,departure:6/7/2026TANYT&leg2=from:USM,to:ICN,departure:6/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:487.20&airProductToken=AQp3CjMI06IBEgM2MDcYyGggkmoogIOPAzD8hY8DOE5AAFgBagdGRjQxS1JTcglOMjNLUlJMUE8KQAjTogESBDg1ODYYkmog1GQo04ePAzDGiI8DOE5AAVgBagdGRjQxS1JTcglOMjNLUlJMUE96CgjUpAESBDg1ODYKdwpACNOiARIEODU4NxjUZCCSaij9tY8DMPW2jwM4TkAAWAFqB0ZGNDFLUlNyCU4yM0tSUkxQT3oKCNSkARIEODU4NwozCNOiARIDNjEyGJJqIMhoKNG4jwMw0ruPAzhOQAFYAWoHRkY0MUtSU3IJTjIzS1JSTFBPEgoIAhABGAEqAlNRGAEiBAgBEAEoAigDKAQwDw) ![EVA Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BR.gif) Sun, Jun 7 - Thu, Jun 11 ICN Seoul USM Koh Samui $537 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ICN,to:USM,departure:6/7/2026TANYT&leg2=from:USM,to:ICN,departure:6/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:536.40&airProductToken=AQqEAQomCMKkARIDMTY5GMhoIPMjKLSEjwMwz4WPAzhWQABYAXIFVkxLUloKJgjCpAESAzIwNRjzIyDBUij9iI8DMN6KjwM4VkABWAFyBVZMS1JaCjIIwqQBEgQzODg1GMFSINRkKOmNjwMwqo6PAzhXQAFYAXIFVkxLUlp6CQjQjgESAzEwMQqEAQoyCMKkARIEMzk2MhjUZCDBUijIto8DMKK3jwM4UUAAWAFyBVZMS1JaegkI0I4BEgMxOTIKJgjCpAESAzIwNhjBUiDzIyjbuI8DMLy6jwM4VkABWAFyBVZMS1JaCiYIwqQBEgMxNjAY8yMgyGgo076PAzDpv48DOFZAAVgBcgVWTEtSWhIKCAEQARgBKgJCUhgBIgQIARABKAIoBCgGMAE) ![Cathay Pacific](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CX.gif) Fri, Apr 17 - Tue, Apr 21 ICN Seoul USM Koh Samui $731 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ICN,to:USM,departure:4/17/2026TANYT&leg2=from:USM,to:ICN,departure:4/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:730.20&airProductToken=AQp5CjQIw7ABEgM0MjcYyGggxzIo98GKAzDdw4oDOFFAAFgBaglFQ09OTElHSFRyCFFSMjFLUkFSCkEIw7ABEgQ2NTAzGMcyINRkKNDJigMwmMuKAzhRQAFYAWoJRUNPTkxJR0hUcghRUjIxS1JBUnoKCNCOARIENjUwMwp4CkAIw7ABEgQ2NTAyGNRkIMcyKMf0igMwlPaKAzhRQABYAWoJRUNPTkxJR0hUcghRUjIxS1JBUnoJCNCOARIDODA3CjQIw7ABEgM0MjYYxzIgyGgo4feKAzC9-YoDOFFAAVgBaglFQ09OTElHSFRyCFFSMjFLUkFSEgoIARABGAEqAkNYGAEiBAgBEAEoAigEKAYwAQ) ![Thai Airways International](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TG.gif) Sun, Nov 8 - Sat, Nov 14 ICN Seoul USM Koh Samui $1,028 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ICN,to:USM,departure:11/8/2026TANYT&leg2=from:USM,to:ICN,departure:11/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1028.00&airProductToken=AQpfCi0I1I4BEgM2NTkYyGggwVIo48ecAzDGypwDOEtAAFgBagVFQ09TVHIFS0xSU1QKLgjUjgESBDU1ODcYwVIg1GQo_MycAzDbzZwDOEtAAVgBagVFQ09TVHIFS0xSU1QKXwouCNSOARIENTk1NRjUZCDBUiiAkJ0DMMuQnQM4S0AAWAFqBUVDT1NUcgVLTFJTVAotCNSOARIDNjU4GMFSIMhoKMqSnQMwj5WdAzhLQAFYAWoFRUNPU1RyBUtMUlNUEgwIARABGAEqAlRHMgAYASIECAEQASgCKAQoBjAB) ## Frequently asked questions ### How much does a flight from Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM) cost? ### What is the cheapest month to fly from Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM)? ### Which airlines fly direct from Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM)? ### What is the cheapest airline that flies from Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM)? ### How do I find cheap flights from Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM)? ### What is the best time to fly from Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM)? ### What is the earliest flight from Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM)? ### What are the most popular departure times for flights from Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM)? ### How long does it take to fly from Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM)? ### Can you fly business or first class from Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM)? > - Korean Air > - Cathay Pacific > - EVA Airways ### How do I earn miles on a Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM) flight with Expedia? ### Is it cheaper to buy a plane ticket from Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM) at the last minute? ### Is it cheaper to book a Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM) flight and hotel package? ### Can I cancel or change the date of my flight from Seoul (ICN-Incheon Intl.) to Samui Intl. Airport (USM)? ## Travel information | Origin airport | Incheon Intl. | | ------------------- | ---------------------------------------------------------------------------------- | | Destination airport | Samui Intl. Airport | | Airlines serving | Cathay Pacific, EVA Airways, Scoot, Singapore Airlines, Thai Airways International | | Roundtrip price | $380 | | Distance | 2532 mi | ## Book with confidence # Seoul to Samui Intl. Airport Flights The cheapest times to fly from Seoul to Samui Intl. Airport On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Samui Intl. Airport are during the month of June. You can find some of the cheapest flights from Seoul to Samui Intl. Airport with Expedia's search tool and vast selection of airlines. The best time to book a flight from Seoul to Samui Intl. Airport Sunday is one of the best days to book for cheap flights from Seoul to Samui Intl. Airport: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Seoul to Samui Intl. Airport Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Samui Intl. Airport in 2026\. You can also book with separate airlines for your outbound and return journeys, from $179 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Samui Intl. Airport flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Seoul to Samui Intl. Airport airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. \*Flight schedules are subject to change. \*Available to One Key members.