Title: $218 Cheap flights from Melbourne to Samui Intl. Airport (MEL 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) # $218 Cheap Flights from Melbourne (MEL) to Samui Intl. Airport (USM) [View $218 flight on Wed, Mar 11, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:MEL,to:USM,departure:3/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:217.66&airProductToken=AQpfCi0I1KQBEgI1ORiMWSCSaiiCpocDMNOphwM4VEAAWAFqBUJBU0lDcgZUMVBBVUEKLgjUpAESAzY0MBiSaiDUZCjkr4cDMNywhwM4VEAAWAFqBUJBU0lDcgZUMVBBVUESDAgLEAEYCCoCVFIyABgBIgQIARABKAIwAw) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers 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 Melbourne Airport (MEL) 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:MEL,to:USM,departure:2/26/2026TANYT&leg2=from:USM,to:MEL,departure:3/5/2026TANYT&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_QF.svg) Qantas Airways [](https://www.expedia.com/Flights-Search?leg1=from:MEL,to:USM,departure:2/26/2026TANYT&leg2=from:USM,to:MEL,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QF"}}]) - ![](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:MEL,to:USM,departure:2/26/2026TANYT&leg2=from:USM,to:MEL,departure:3/5/2026TANYT&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_CX.svg) Cathay Pacific [](https://www.expedia.com/Flights-Search?leg1=from:MEL,to:USM,departure:2/26/2026TANYT&leg2=from:USM,to:MEL,departure:3/5/2026TANYT&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_MH.svg) Malaysia Airlines [](https://www.expedia.com/Flights-Search?leg1=from:MEL,to:USM,departure:2/26/2026TANYT&leg2=from:USM,to:MEL,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"MH"}}]) - ![](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:MEL,to:USM,departure:2/26/2026TANYT&leg2=from:USM,to:MEL,departure:3/5/2026TANYT&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_BA.svg) British Airways [](https://www.expedia.com/Flights-Search?leg1=from:MEL,to:USM,departure:2/26/2026TANYT&leg2=from:USM,to:MEL,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](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 Melbourne to Samui Intl. Airport (MEL-USM) Prices were available within the past 7 days and start at $218 for one-way flights and $438 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) Mon, Mar 9 - Mon, Mar 30 MEL Melbourne USM Koh Samui $438 Roundtrip found 18 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MEL,to:USM,departure:3/9/2026TANYT&leg2=from:USM,to:MEL,departure:3/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:437.44&airProductToken=AQpfCi0I1KQBEgIyNRiMWSCSaij3k4cDMMiXhwM4VEAAWAFqBUJBU0lDcgZUMVBBVUEKLgjUpAESAzY0MBiSaiDUZCikmYcDMJyahwM4VEAAWAFqBUJBU0lDcgZUMVBBVUEKYwowCNSkARIDNjQxGNRkIJJqKMT7iAMwt_yIAzhPQABYAWoFQkFTSUNyCE8xQ09EQVVBCi8I1KQBEgIzOBiSaiCMWSi0h4kDMOeKiQM4T0AAWAFqBUJBU0lDcghPMUNPREFVQRIMCAsQARgIKgJUUjIAGAEiBAgBEAEoAjAD) ![Scoot](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TR.gif) Tue, Mar 10 - Tue, Mar 31 MEL Melbourne USM Koh Samui $440 Roundtrip found 18 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MEL,to:USM,departure:3/10/2026TANYT&leg2=from:USM,to:MEL,departure:3/31/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:439.95&airProductToken=AQpfCi0I1KQBEgIyNRiMWSCSaiiXn4cDMOiihwM4VEAAWAFqBUJBU0lDcgZUMVBBVUEKLgjUpAESAzY0OBiSaiDUZCjYqYcDMMaqhwM4VEAAWAFqBUJBU0lDcgZUMVBBVUEKYwowCNSkARIDNjQxGNRkIJJqKOSGiQMw14eJAzhPQABYAWoFQkFTSUNyCE8xQ09EQVVBCi8I1KQBEgI1OBiSaiCMWSjWjokDMImSiQM4T0AAWAFqBUJBU0lDcghPMUNPREFVQRIMCAsQARgIKgJUUjIAGAEiBAgBEAEoAjAD) ![Scoot](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TR.gif) Wed, Mar 11 - Wed, Apr 1 MEL Melbourne USM Koh Samui $462 Roundtrip found 18 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MEL,to:USM,departure:3/11/2026TANYT&leg2=from:USM,to:MEL,departure:4/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:461.71&airProductToken=AQpfCi0I1KQBEgI1ORiMWSCSaiiCpocDMNOphwM4VEAAWAFqBUJBU0lDcgZUMVBBVUEKLgjUpAESAzY0MBiSaiDUZCjkr4cDMNywhwM4VEAAWAFqBUJBU0lDcgZUMVBBVUEKYwowCNSkARIDNjQxGNRkIJJqKISSiQMw95KJAzhYQABYAWoFQkFTSUNyCFgxQ09EQVVBCi8I1KQBEgI1OBiSaiCMWSj2mYkDMKmdiQM4WEAAWAFqBUJBU0lDcghYMUNPREFVQRIMCAsQARgIKgJUUjIAGAEiBAgBEAEoAjAD) ![Scoot](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TR.gif) Mon, Mar 16 - Mon, Mar 30 MEL Melbourne USM Koh Samui $475 Roundtrip found 18 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MEL,to:USM,departure:3/16/2026TANYT&leg2=from:USM,to:MEL,departure:3/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:474.44&airProductToken=AQpjCi8I1KQBEgIyNRiMWSCSaijX4ocDMKjmhwM4T0AAWAFqBUJBU0lDcghPMUNPREFVQQowCNSkARIDNjQ4GJJqINRkKJjthwMwhu6HAzhPQABYAWoFQkFTSUNyCE8xQ09EQVVBCmMKMAjUpAESAzY0MRjUZCCSaijE-4gDMLf8iAM4T0AAWAFqBUJBU0lDcghPMUNPREFVQQovCNSkARICMzgYkmogjFkotIeJAzDniokDOE9AAFgBagVCQVNJQ3IITzFDT0RBVUESDAgLEAEYCCoCVFIyABgBIgQIARABKAIwAw) ![Scoot](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TR.gif) Mon, Mar 16 - Mon, Mar 30 MEL Melbourne USM Koh Samui $497 Roundtrip found 18 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MEL,to:USM,departure:3/16/2026TANYT&leg2=from:USM,to:MEL,departure:3/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:496.20&airProductToken=AQpjCi8I1KQBEgIyNRiMWSCSaijX4ocDMKjmhwM4WEAAWAFqBUJBU0lDcghYMUNPREFVQQowCNSkARIDNjk0GJJqINRkKKrshwMwou2HAzhYQABYAWoFQkFTSUNyCFgxQ09EQVVBCmMKMAjUpAESAzY0MRjUZCCSaijE-4gDMLf8iAM4T0AAWAFqBUJBU0lDcghPMUNPREFVQQovCNSkARICMzgYkmogjFkotIeJAzDniokDOE9AAFgBagVCQVNJQ3IITzFDT0RBVUESDAgLEAEYCCoCVFIyABgBIgQIARABKAIwAw) ![Scoot](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TR.gif) Sat, May 9 - Fri, Jun 19 MEL Melbourne USM Koh Samui $498 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MEL,to:USM,departure:5/9/2026TANYT&leg2=from:USM,to:MEL,departure:6/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:497.99&airProductToken=AQpjCi8I1KQBEgI1ORiMWSCSaiiUvowDMPnBjAM4T0AAWAFqBUJBU0lDcghPMUNPREFVQQowCNSkARIDNjQwGJJqINRkKMTHjAMwrciMAzhPQABYAWoFQkFTSUNyCE8xQ09EQVVBCmMKMAjUpAESAzY0MRjUZCCSaijkipADMNeLkAM4WEAAWAFqBUJBU0lDcghYMUNPREFVQQovCNSkARICMzgYkmogjFko1JaQAzCHmpADOFhAAFgBagVCQVNJQ3IIWDFDT0RBVUESCggLEAEYCCoCVFIYASIECAEQASgCMAM) ![Qantas Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QF.gif) Mon, Mar 23 - Thu, Mar 26 MEL Melbourne USM Koh Samui $857 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MEL,to:USM,departure:3/23/2026TANYT&leg2=from:USM,to:MEL,departure:3/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:856.80&airProductToken=AQpQCiUI0YwBEgIzNxiMWSCSaijjrogDMM2yiAM4UUAAWAFyBVFMQVRECicI0YwBEgQzNDQwGJJqINRkKNC7iAMww7yIAzhRQAFYAXIFUUxBVEQKUAonCNGMARIEMzQ1NxjUZCCSaiirzogDMJ7PiAM4UUAAWAFyBVFMQVRECiUI0YwBEgIzNhiSaiCMWSic04gDMOPWiAM4UUABWAFyBVFMQVREEgwIARABGAEqAlFGMgAYASIECAEQASgCKAMoBDAB) ![Singapore Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SQ.gif) Thu, Mar 12 - Thu, Mar 26 MEL Melbourne USM Koh Samui $951 Roundtrip found 18 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MEL,to:USM,departure:3/12/2026TANYT&leg2=from:USM,to:MEL,departure:3/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:950.80&airProductToken=AQpzCjcI06IBEgMyNDgYjFkgkmoosK6HAzD8sYcDOFZAAFgBagxFY29ub215IExpdGVyCFYyNUFVUlBPCjgI06IBEgQ4NTg2GJJqINRkKPi0hwMw5rWHAzhWQAFYAWoMRWNvbm9teSBMaXRlcghWMjVBVVJQTwp1CjkI06IBEgQ4MzQxGNRkIJJqKNPOiAMwy8-IAzhRQABYAWoNRWNvbm9teSBWYWx1ZXIIUTI1QVVSUE8KOAjTogESAzIyNxiSaiCMWSie1IgDMNvXiAM4UUABWAFqDUVjb25vbXkgVmFsdWVyCFEyNUFVUlBPEgwIAhABGAEqAlNRMgAYASIECAEQASgCKAMoBDAP) ![China Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CI.gif) Wed, Jun 17 - Sun, Jun 21 MEL Melbourne USM Koh Samui $1,023 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MEL,to:USM,departure:6/17/2026TANYT&leg2=from:USM,to:MEL,departure:6/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1022.10&airProductToken=AQqZAQosCMOSARICNTgYjFkg8yMohvmPAzC7_Y8DOE5AAFgBagZZQkFTSUNyBE5MQVUKLQjDkgESAzgzMxjzIyDBUiik_o8DMIWAkAM4TkABWAFqBllCQVNJQ3IETkxBVQo6CMOSARIEOTgxNRjBUiDUZCj4gJADMLmBkAM4TkABWAFqBllCQVNJQ3IETkxBVXoKCNCOARIEOTgxNQqZAQo6CMOSARIEOTc1MBjUZCDBUiiIp5ADMOKnkAM4TkAAWAFqBllCQVNJQ3IETkxBVXoKCNCOARIEOTc1MAotCMOSARIDODM4GMFSIPMjKNypkAMwvauQAzhOQAFYAWoGWUJBU0lDcgROTEFVCiwIw5IBEgI1NxjzIyCMWSiCs5ADMKi3kAM4TkABWAFqBllCQVNJQ3IETkxBVRIKCAEQARgBKgJDSRgBIgQIARABKAIoAygEMAE) ![Cathay Pacific](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CX.gif) Thu, Jun 4 - Tue, Jun 9 MEL Melbourne USM Koh Samui $1,053 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MEL,to:USM,departure:6/4/2026TANYT&leg2=from:USM,to:MEL,departure:6/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1052.60&airProductToken=AQp5CjQIw7ABEgMxMDQYjFkgxzIoqeOOAzDZ544DOE5AAFgBaglFQ09OTElHSFRyCE5SMjFBVUlSCkEIw7ABEgQ2NTAzGMcyINRkKPDwjgMwuPKOAzhOQAFYAWoJRUNPTkxJR0hUcghOUjIxQVVJUnoKCNCOARIENjUwMwqvAQpBCMOwARIENjUzNhjUZCDBUiiHnY8DMNKdjwM4TkAAWAFqCUVDT05MSUdIVHIITlIyMUFVSVJ6CgjQjgESBDY1MzYKNAjDsAESAzcwOBjBUiDHMii2no8DMOqfjwM4TkABWAFqCUVDT05MSUdIVHIITlIyMUFVSVIKNAjDsAESAzEwNRjHMiCMWSiUoY8DMKuljwM4TkABWAFqCUVDT05MSUdIVHIITlIyMUFVSVISCggBEAEYASoCQ1gYASIECAEQASgCKAMoBDAB) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Alternative airports near Koh Samui Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:MEL,to:USM,departure:2/26/2026TANYT&leg2=from:USM,to:MEL,departure:3/19/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) USM Samui Intl. Airport CheapestClosest 31 min [Flights from $562 ](https://www.expedia.com/Flights-Search?leg1=from:MEL,to:USM,departure:2/26/2026TANYT&leg2=from:USM,to:MEL,departure:3/19/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) __Flights from Melbourne (MEL) to Samui Intl. Airport (USM)__ | Origin airport | Tullamarine | | ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Samui Intl. Airport | | Airlines serving | Bangkok Airways, British Airways, Cathay Pacific, China Airlines, Malaysia Airlines, Philippine Airlines, Qantas Airways, Scoot, Singapore Airlines, Thai Airways International, Vietnam Airlines | | Roundtrip price | $437 | | Distance | 4358 mi | ## Melbourne to Samui Intl. Airport Flights The cheapest times to fly from Melbourne 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 Melbourne to Samui Intl. Airport are during the month of March. You can find some of the cheapest flights from Melbourne to Samui Intl. Airport with Expedia's search tool and vast selection of airlines. The best time to book a flight from Melbourne to Samui Intl. Airport Sunday is one of the best days to book for cheap flights from Melbourne 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 Melbourne 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 Melbourne to Samui Intl. Airport in 2026\. You can also book with separate airlines for your outbound and return journeys, from $218 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 Melbourne 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 Melbourne 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. ## Frequently asked questions ### How much does a flight from Tullamarine Airport (MEL) to Ko Samui Airport (USM) cost? ### What is the cheapest month to fly from Tullamarine Airport (MEL) to Ko Samui Airport (USM)? ### What is the cheapest airline that flies from Tullamarine Airport (MEL) to Ko Samui Airport (USM)? ### How many flights per day from Tullamarine Airport (MEL) to Ko Samui Airport (USM)? ### What day of the week has the most flights from MEL to USM? ### What is the best time to fly from Tullamarine Airport (MEL) to Ko Samui Airport (USM)? ### Is it cheaper to buy a plane ticket from Tullamarine Airport (MEL) to Ko Samui Airport (USM) last-minute? ### Is it cheaper to book a MEL to USM flight and hotel package? ### Can I cancel or change the date of my flight from Tullamarine Airport (MEL) to Ko Samui Airport (USM)? \*Flight schedules are subject to change. \*Available to One Key members.