Title: CA $825 Cheap Flights from London (LON) 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) # CA $825 Cheap Flights from London (LON) to Samui Intl. Airport (USM) [View CA $825 flight on Tue, Jan 20, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:LHR,to:USM,departure:20/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:824.40&airProductToken=AQqfAQo0CM-mARIDMzM4GOuJASCVIijN-4IDMNT8ggM4S0AAWAFqCEVDT1NBVkVScghLTkNPVzZHQgoxCM-mARIBNxiVIiDBUiiB_YIDMN6BgwM4S0ABWAFqCEVDT1NBVkVScghLTkNPVzZHQgo0CM-mARIEODY3MRjBUiDUZCicg4MDMOKDgwM4S0ABWAFqCEVDT1NBVkVScghLTkNPVzZHQhIKCAEQARgBKgJPUxgBIgQIARABKAIoAygEMAE) - [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 London to Samui Intl. Airport (USM) - ![Singapore Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SQ.svg) Singapore Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:lon,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:lon,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SQ"}}]) - ![Thai Airways International](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TG.svg) Thai Airways International [](https://www.expedia.ca/Flights-Search?leg1=from:lon,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:lon,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TG"}}]) - ![Etihad Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EY.svg) Etihad Airways [](https://www.expedia.ca/Flights-Search?leg1=from:lon,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:lon,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EY"}}]) - ![Qatar Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QR.svg) Qatar Airways [](https://www.expedia.ca/Flights-Search?leg1=from:lon,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:lon,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QR"}}]) - ![EVA Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BR.svg) EVA Airways [](https://www.expedia.ca/Flights-Search?leg1=from:lon,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:lon,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BR"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.ca/Flights-Search?leg1=from:lon,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:lon,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.ca/Flights-Search?leg1=from:lon,to:usm,departure:11/10/2025TANYT&leg2=from:usm,to:lon,departure:18/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 30% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from London (LON) to Samui Intl. Airport (USM) Prices were available within the past 7 days and start at CA $825 for one-way flights and CA $1,266 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Austrian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/OS.gif) Tue, Jan 20 - Tue, Feb 10 LHR London USM Koh Samui CA $1,266 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:USM,departure:20/01/2026TANYT&leg2=from:USM,to:LHR,departure:10/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1265.10&airProductToken=AQqWAQoxCM-mARIDMzM4GOuJASCVIijN-4IDMNT8ggM4S0AAWAFqCEVDT1NBVkVScgVLTkNHQgouCM-mARIBNxiVIiDBUiiB_YIDMN6BgwM4S0ABWAFqCEVDT1NBVkVScgVLTkNHQgoxCM-mARIEODY3MRjBUiDUZCicg4MDMOKDgwM4S0ABWAFqCEVDT1NBVkVScgVLTkNHQgqXAQowCNSkARIDNjQxGNRkIJJqKNPfhAMwy-CEAzhOQABYAWoIRUNPU0FWRVJyBUxOQ0dCCjAIzLABEgMxNzcYkmoguTwopeaEAzC77IQDOExAAVgBaghFQ09TQVZFUnIFTE5DR0IKMQjMsAESAzMxNhi5PCDriQEo7eyEAzDl7YQDOExAAVgBaghFQ09TQVZFUnIFTE5DR0ISCggBEAEYASoCT1MYASIECAEQASgCKAMoBDAB) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, Jan 20 - Tue, Feb 10 LHR London USM Koh Samui CA $1,304 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:USM,departure:20/01/2026TANYT&leg2=from:USM,to:LHR,departure:10/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1303.50&airProductToken=AQqZAQoyCMyQARIENDE5NxjriQEgjBUo7vqCAzDc-4IDOExAAFgBaghFQ09TQVZFUnIFTE5DR0IKMAjMkAESAzc2OBiMFSCSaijA_IIDMJWCgwM4TEABWAFqCEVDT1NBVkVScgVMTkNHQgoxCMyQARIENDYzMBiSaiDUZCi6g4MDMK2EgwM4TEABWAFqCEVDT1NBVkVScgVMTkNHQgqXAQowCNSkARIDNjQxGNRkIJJqKNPfhAMwy-CEAzhOQABYAWoIRUNPU0FWRVJyBUxOQ0dCCjAIzLABEgMxNzcYkmoguTwopeaEAzC77IQDOExAAVgBaghFQ09TQVZFUnIFTE5DR0IKMQjMsAESAzMxNhi5PCDriQEo7eyEAzDl7YQDOExAAVgBaghFQ09TQVZFUnIFTE5DR0ISCggBEAEYASoCTEgYASIECAEQASgCKAMoBDAB) ![Austrian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/OS.gif) Tue, Jan 20 - Tue, Feb 10 LHR London USM Koh Samui CA $1,320 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:USM,departure:20/01/2026TANYT&leg2=from:USM,to:LHR,departure:10/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1319.10&airProductToken=AQp4CicIz6YBEgMzMzgY64kBIJUiKM37ggMw1PyCAzhLQABYAXIFS05DR0IKJAjPpgESATcYlSIgwVIogf2CAzDegYMDOEtAAVgBcgVLTkNHQgonCM-mARIEODY1NxjBUiDUZCjMgoMDMKuDgwM4S0ABWAFyBUtOQ0dCCnoKJwjMkAESBDQ2MzYY1GQgkmooleOEAzCI5IQDOFRAAFgBcgVUTkNHQgomCMyQARIDNzgxGJJqIKUEKJvmhAMwwOyEAzhUQAFYAXIFVE5DR0IKJwjMkAESAzkwMhilBCDriQEo5e2EAzDJ7oQDOFRAAVgBcgVUTkNHQhIKCAEQARgBKgJPUxgBIgQIARABKAIoAygEMAE) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, Jan 20 - Tue, Feb 10 LCY London USM Koh Samui CA $1,340 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LCY,to:USM,departure:20/01/2026TANYT&leg2=from:USM,to:LCY,departure:10/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1339.30&airProductToken=AQp7CigIzJABEgQ1NjU5GMvAASClBCiH-4IDMNz7ggM4S0AAWAFyBUtOQ0dCCiYIzJABEgM3ODAYpQQgkmoomPyCAzD3gYMDOEtAAVgBcgVLTkNHQgonCMyQARIENDY0MBiSaiDUZCj6ioMDMO2LgwM4S0ABWAFyBUtOQ0dCCnkKJgjUpAESAzY0MRjUZCCSaijT34QDMMvghAM4TkAAWAFyBUxOQ0dCCiYIzLABEgMxNzcYkmoguTwopeaEAzC77IQDOExAAVgBcgVMTkNHQgonCMywARIDNDY0GLk8IMvAASid8YQDMIHyhAM4TEABWAFyBUxOQ0dCEgoIARABGAEqAkxIGAEiBAgBEAEoAigDKAQwAQ) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, Jan 20 - Tue, Feb 10 LCY London USM Koh Samui CA $1,349 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LCY,to:USM,departure:20/01/2026TANYT&leg2=from:USM,to:LCY,departure:10/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1348.30&airProductToken=AQp7CigIzJABEgQ1NjU5GMvAASClBCiH-4IDMNz7ggM4S0AAWAFyBUtOQ0dCCiYIzJABEgM3ODAYpQQgkmoomPyCAzD3gYMDOEtAAVgBcgVLTkNHQgonCMyQARIENDY0MBiSaiDUZCj6ioMDMO2LgwM4S0ABWAFyBUtOQ0dCCnsKJwjMkAESBDQ2MzQY1GQgkmoo4eGEAzDU4oQDOExAAFgBcgVMTkNHQgomCMyQARIDNzgxGJJqIKUEKJvmhAMwwOyEAzhMQAFYAXIFTE5DR0IKKAjMkAESBDU2NTgYpQQgy8ABKMXxhAMwn_KEAzhMQAFYAXIFTE5DR0ISCggBEAEYASoCTEgYASIECAEQASgCKAMoBDAB) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Tue, Jan 20 - Tue, Feb 10 LGW London USM Koh Samui CA $1,425 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LGW,to:USM,departure:20/01/2026TANYT&leg2=from:USM,to:LGW,departure:10/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1424.20&airProductToken=AQp5CicIzLABEgM0MzMYy7EBILk8KKD7ggMwifyCAzhTQABYAXIFU05DR0IKJgjMsAESAzE3Nhi5PCCSaijU_IIDMLiCgwM4U0ABWAFyBVNOQ0dCCiYI0I4BEgM5NjIYkmog1GQouoODAzCthIMDOEdAAVgBcgVTTkNHQgp5CiYI1KQBEgM2NDMY1GQgkmoojOGEAzD_4YQDOE5AAFgBcgVMTkNHQgomCMywARIDMTc3GJJqILk8KKXmhAMwu-yEAzhMQAFYAXIFTE5DR0IKJwjMsAESAzQzMhi5PCDLsQEoxfGEAzCu8oQDOExAAVgBcgVMTkNHQhIKCAEQARgBKgJMWBgBIgQIARABKAIoAygEMAE) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Tue, Jan 20 - Tue, Feb 10 LCY London USM Koh Samui CA $1,443 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LCY,to:USM,departure:20/01/2026TANYT&leg2=from:USM,to:LCY,departure:10/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1443.00&airProductToken=AQqFAQorCMuYARIDOTk2GMvAASCAkwEo9fuCAzC2_IIDOExAAFgBcghSUkwwS0JMQQoqCMuYARIDODM1GICTASCSaij8hoMDMO-MgwM4UkABWAFyCFJSTDBLQkxBCioIy5gBEgQzNzIzGJJqINRkKNqOgwMwzY-DAzhSQAFYAXIIUlJMMEtCTEEKhQEKKgjLmAESBDM3MTgY1GQgkmoo4eGEAzDU4oQDOFJAAFgBcghSUkwwS0JMQQoqCMuYARIDODM2GJJqIICTASiE54QDMMLthAM4UkABWAFyCFJSTDBLQkxBCisIy5gBEgM5ODMYgJMBIMvAASj-7YQDMLruhAM4TEABWAFyCFJSTDBLQkxBEgoIARABGAEqAktMGAEiBAgBEAEoAigDKAQwAQ) ![Austrian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/OS.gif) Tue, Jan 20 - Tue, Feb 10 LHR London USM Koh Samui CA $1,469 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:USM,departure:20/01/2026TANYT&leg2=from:USM,to:LHR,departure:10/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1468.40&airProductToken=AQp4CicIz6YBEgMzMzgY64kBIJUiKM37ggMw1PyCAzhLQABYAXIFS05DR0IKJAjPpgESATcYlSIgwVIogf2CAzDegYMDOEtAAVgBcgVLTkNHQgonCM-mARIEODY3MRjBUiDUZCicg4MDMOKDgwM4S0ABWAFyBUtOQ0dCCngKJwjPpgESBDg2NzgY1GQgwVIo7N-EAzC34IQDOFdAAFgBcgVXTkNHQgokCM-mARIBNhjBUiCVIiiE4oQDMLvnhAM4V0ABWAFyBVdOQ0dCCicIz6YBEgMzMzkYlSIg64kBKOjnhAMw9OiEAzhXQAFYAXIFV05DR0ISCggBEAEYASoCT1MYASIECAEQASgCKAMoBDAB) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Fri, Nov 14 - Fri, Nov 21 LHR London USM Koh Samui CA $1,509 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LHR,to:USM,departure:14/11/2025TANYT&leg2=from:USM,to:LHR,departure:21/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1508.50&airProductToken=AQp9CicIzLABEgMzMTcY64kBILk8KPyE_QIw74X9AjhMQABYAXIFTE5DR0IKKAjMsAESBDgwNTAYuTwgx5oBKICH_QIwrYz9AjhMQAFYAXIFTE5DR0IKKAjMsAESBDQxNjQYx5oBINRkKKWN_QIw3I39AjhMQAFYAXIFTE5DR0IKegonCMywARIENDE4MxjUZCDBUij00P0CML_R_QI4V0AAWAFyBVdOQ0dCCiYIzLABEgMxODEYwVIguTwot9L9AjCR2P0COFdAAVgBcgVXTkNHQgonCMywARIDMzMyGLk8IOuJASj-3_0CMOzg_QI4V0ABWAFyBVdOQ0dCEgoIARABGAEqAkxYGAEiBAgBEAEoAigDKAQwAQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Tue, Jan 20 - Tue, Feb 10 LGW London USM Koh Samui CA $1,516 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LGW,to:USM,departure:20/01/2026TANYT&leg2=from:USM,to:LGW,departure:10/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1515.60&airProductToken=AQpjCjAIwoIBEgQyMjMxGMuxASDBUii7_IIDMIGCgwM4T0AAWAFqA0JBR3IIT05OVDAwTTcKLwjCggESBDIxODQYwVIg1GQonIODAzDig4MDOFZAAVgBagNCQUdyCE9OTlQwME03CmMKLwjCggESBDIxODkY1GQgwVIouuSEAzCZ5YQDOEhAAFgBagNCQUdyCE9OTlQwME03CjAIwoIBEgQyMjMwGMFSIMuxASiq5oQDMMrshAM4T0ABWAFqA0JBR3IIT05OVDAwTTcSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ## Travel information | Origin airport | Heathrow | | --- | --- | | Destination airport | Samui Intl. Airport | | Airlines serving | Air France, Austrian Airlines, British Airways, Cathay Pacific, EVA Airways, Emirates, Etihad Airways, KLM, Lufthansa, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines | | Roundtrip price | CA $1,265 | | Distance | 9836 km | ## Book with confidence ### England to Koh Samui Flights **The easy way to book your flights from London to Samui Intl. Airport**  With Expedia, it’s simple to find and book flights to Samui Intl. Airport from London 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 London to Samui Intl. Airport today, tomorrow, or this week.   **Save dollars with cheap flights from LON-All Airports, LON to Samui Intl. Airport, USM**  Sort your search results by price to find great deals on your flight from London 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 London currently is just CA $1,266 rising to CA $1,516.   Here are more money-saving tips:  - Fly in January 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 London**  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.