Title: Cheap flights to Denver from Samui Intl. Airport (USM to DEN) - Expedia.com ![Denver Colorado downtown with City Park](https://images.trvl-media.com/place/178254/7cc57818-0302-43a8-831e-86e04b8cc6a7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178254/7cc57818-0302-43a8-831e-86e04b8cc6a7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $650 Cheap Flights from Samui Intl. Airport (USM) to Denver (DEN) [View $650 flight on Tue, Nov 3, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:USM,to:DEN,departure:11/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:649.03&airProductToken=AQqYAQowCNCOARIDMTc4GNRkIMFSKNmVnAMwuJacAzhRQABYAWoFQkFTSUNyCFRMVlM4MkJBCjAIwYYBEgI2NhjBUiC4jQEoi5ucAzCroZwDOFRAAVgBagVCQVNJQ3IIVExWUzgyQkEKMgjBhgESBDg3MTIYuI0BIINpKOOknAMwjKacAzhUQAFYAWoFQkFTSUNyCFRMVlM4MkJBEgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) - [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 Samui Intl. Airport (USM) to Denver Intl. Airport (DEN) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:USM,to:DEN,departure:3/17/2026TANYT&leg2=from:DEN,to:USM,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:USM,to:DEN,departure:3/17/2026TANYT&leg2=from:DEN,to:USM,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:USM,to:DEN,departure:3/17/2026TANYT&leg2=from:DEN,to:USM,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:USM,to:DEN,departure:3/17/2026TANYT&leg2=from:DEN,to:USM,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:USM,to:DEN,departure:3/17/2026TANYT&leg2=from:DEN,to:USM,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:USM,to:DEN,departure:3/17/2026TANYT&leg2=from:DEN,to:USM,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:USM,to:DEN,departure:3/17/2026TANYT&leg2=from:DEN,to:USM,departure:3/24/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) ## Cheap Flights from Samui Intl. Airport to Denver (USM-DEN) Prices were available within the past 7 days and start at $650 for one-way flights and $1,526 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Bangkok Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PG.gif) Thu, Oct 1 - Thu, Oct 15 USM Koh Samui DEN Denver $1,526 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:USM,to:DEN,departure:10/1/2026TANYT&leg2=from:DEN,to:USM,departure:10/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1525.03&airProductToken=AQqkAQowCNCOARIDMTg4GNRkIMFSKP2hmQMw16KZAzhRQABYAWoFQkFTSUNyCFRMVVM4MkJBCjAIwYYBEgI2NhjBUiC4jQEopaeZAzDPrZkDOFRAAVgBagVCQVNJQ3IIVExVUzgyQkEKPgjBhgESBDMyODMYuI0BIINpKKCxmQMw0bKZAzhUQAFYAWoFQkFTSUNyCFRMVVM4MkJBegoI1YIBEgQyMDg1EgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Bangkok Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PG.gif) Thu, Oct 1 - Thu, Oct 15 USM Koh Samui DEN Denver $1,536 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:USM,to:DEN,departure:10/1/2026TANYT&leg2=from:DEN,to:USM,departure:10/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1535.63&airProductToken=AQqkAQowCNCOARIDMTY2GNRkIMFSKPGgmQMwvKGZAzhRQABYAWoFQkFTSUNyCFRMVVM4MkJBCjAIwYYBEgI2NhjBUiC4jQEopaeZAzDPrZkDOFRAAVgBagVCQVNJQ3IIVExVUzgyQkEKPgjBhgESBDMyODMYuI0BIINpKKCxmQMw0bKZAzhUQAFYAWoFQkFTSUNyCFRMVVM4MkJBegoI1YIBEgQyMDg1EgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Bangkok Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PG.gif) Thu, Oct 1 - Thu, Oct 15 USM Koh Samui DEN Denver $1,598 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:USM,to:DEN,departure:10/1/2026TANYT&leg2=from:DEN,to:USM,departure:10/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1597.03&airProductToken=AQqtAQozCNCOARIDMTg4GNRkIMFSKP2hmQMw16KZAzhRQABYAWoIU1RBTkRBUkRyCFRMVVM4MlRHCjMIwYYBEgI2NhjBUiC4jQEopaeZAzDPrZkDOFRAAVgBaghTVEFOREFSRHIIVExVUzgyVEcKQQjBhgESBDMyODMYuI0BIINpKKCxmQMw0bKZAzhUQAFYAWoIU1RBTkRBUkRyCFRMVVM4MlRHegoI1YIBEgQyMDg1EgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Bangkok Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PG.gif) Thu, Oct 1 - Thu, Oct 15 USM Koh Samui DEN Denver $1,608 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:USM,to:DEN,departure:10/1/2026TANYT&leg2=from:DEN,to:USM,departure:10/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1607.63&airProductToken=AQqtAQozCNCOARIDMTY2GNRkIMFSKPGgmQMwvKGZAzhRQABYAWoIU1RBTkRBUkRyCFRMVVM4MlRHCjMIwYYBEgI2NhjBUiC4jQEopaeZAzDPrZkDOFRAAVgBaghTVEFOREFSRHIIVExVUzgyVEcKQQjBhgESBDMyODMYuI0BIINpKKCxmQMw0bKZAzhUQAFYAWoIU1RBTkRBUkRyCFRMVVM4MlRHegoI1YIBEgQyMDg1EgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Bangkok Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PG.gif) Thu, Oct 1 - Thu, Oct 15 USM Koh Samui DEN Denver $1,642 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:USM,to:DEN,departure:10/1/2026TANYT&leg2=from:DEN,to:USM,departure:10/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1641.82&airProductToken=AQqkAQowCNCOARIDMTg4GNRkIMFSKP2hmQMw16KZAzhRQABYAWoFQkFTSUNyCFRMVVM4MkJBCjAIwYYBEgI2NhjBUiC4jQEopaeZAzDPrZkDOFRAAVgBagVCQVNJQ3IIVExVUzgyQkEKPgjBhgESBDMyODMYuI0BIINpKKCxmQMw0bKZAzhUQAFYAWoFQkFTSUNyCFRMVVM4MkJBegoI1YIBEgQyMDg1EgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Bangkok Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PG.gif) Thu, Oct 1 - Thu, Oct 15 USM Koh Samui DEN Denver $1,653 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:USM,to:DEN,departure:10/1/2026TANYT&leg2=from:DEN,to:USM,departure:10/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1652.42&airProductToken=AQqkAQowCNCOARIDMTY2GNRkIMFSKPGgmQMwvKGZAzhRQABYAWoFQkFTSUNyCFRMVVM4MkJBCjAIwYYBEgI2NhjBUiC4jQEopaeZAzDPrZkDOFRAAVgBagVCQVNJQ3IIVExVUzgyQkEKPgjBhgESBDMyODMYuI0BIINpKKCxmQMw0bKZAzhUQAFYAWoFQkFTSUNyCFRMVVM4MkJBegoI1YIBEgQyMDg1EgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Bangkok Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PG.gif) Thu, Oct 1 - Thu, Oct 15 USM Koh Samui DEN Denver $1,655 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:USM,to:DEN,departure:10/1/2026TANYT&leg2=from:DEN,to:USM,departure:10/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1654.03&airProductToken=AQqhAQovCNCOARIDMTg4GNRkIMFSKP2hmQMw16KZAzhRQABYAWoERkxFWHIIVExVUzgyRkwKLwjBhgESAjY2GMFSILiNASilp5kDMM-tmQM4VEABWAFqBEZMRVhyCFRMVVM4MkZMCj0IwYYBEgQzMjgzGLiNASCDaSigsZkDMNGymQM4VEABWAFqBEZMRVhyCFRMVVM4MkZMegoI1YIBEgQyMDg1EgoIARABGAEqAkFDGAEiBAgBEAEoAigEKAYwAQ) ![Bangkok Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PG.gif) Thu, Oct 1 - Thu, Oct 15 USM Koh Samui DEN Denver $1,665 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:USM,to:DEN,departure:10/1/2026TANYT&leg2=from:DEN,to:USM,departure:10/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1664.63&airProductToken=AQqhAQovCNCOARIDMTY2GNRkIMFSKPGgmQMwvKGZAzhRQABYAWoERkxFWHIIVExVUzgyRkwKLwjBhgESAjY2GMFSILiNASilp5kDMM-tmQM4VEABWAFqBEZMRVhyCFRMVVM4MkZMCj0IwYYBEgQzMjgzGLiNASCDaSigsZkDMNGymQM4VEABWAFqBEZMRVhyCFRMVVM4MkZMegoI1YIBEgQyMDg1EgoIARABGAEqAkFDGAEiBAgBEAEoAigEKAYwAQ) ![Bangkok Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PG.gif) Thu, Oct 1 - Thu, Oct 15 USM Koh Samui DEN Denver $1,714 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:USM,to:DEN,departure:10/1/2026TANYT&leg2=from:DEN,to:USM,departure:10/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1713.82&airProductToken=AQqtAQozCNCOARIDMTg4GNRkIMFSKP2hmQMw16KZAzhRQABYAWoIU1RBTkRBUkRyCFRMVVM4MlRHCjMIwYYBEgI2NhjBUiC4jQEopaeZAzDPrZkDOFRAAVgBaghTVEFOREFSRHIIVExVUzgyVEcKQQjBhgESBDMyODMYuI0BIINpKKCxmQMw0bKZAzhUQAFYAWoIU1RBTkRBUkRyCFRMVVM4MlRHegoI1YIBEgQyMDg1EgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Thu, Oct 1 - Thu, Oct 15 USM Koh Samui DEN Denver $2,005 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:USM,to:DEN,departure:10/1/2026TANYT&leg2=from:DEN,to:USM,departure:10/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2004.13&airProductToken=AQqrAQo_CMyQARIENDYzNhjUZCCSaii1oJkDMKihmQM4VkAAWAFqCEVDT1NBVkVScghWWDVYRFlOQ3oJCNCOARIDOTYxCjMIzJABEgM3NjkYkmogjBUo9aKZAzDjqJkDOFZAAVgBaghFQ09TQVZFUnIIVlg1WERZTkMKMwjMkAESAzQ4MBiMFSCDaSjuq5kDMOSwmQM4VkABWAFqCEVDT1NBVkVScghWWDVYRFlOQwqrAQozCMyQARIDNDgxGINpIIwVKO3DmgMwrMiaAzhRQABYAWoIRUNPU0FWRVJyCFFYMFhEWU5DCjMIzJABEgM3NjgYjBUgkmoopM6aAzCD1JoDOFFAAVgBaghFQ09TQVZFUnIIUVgwWERZTkMKPwjMkAESBDQ2MzAYkmog1GQo39WaAzDS1poDOFFAAVgBaghFQ09TQVZFUnIIUVgwWERZTkN6CQjQjgESAzk2MhIKCAIQARgCKgJMSBgBIgQIARABKAIoAygEMAs) ![](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_) ## Frequently asked questions ### How much does a flight from Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.) cost? ### What is the cheapest month to fly from Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.)? ### Which airlines fly direct from Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.)? ### What is the cheapest airline that flies from Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.)? ### How do I find cheap flights from Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.)? ### What is the best time to fly from Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.)? ### What is the earliest flight from Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.)? ### What day of the week has the most flights from Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.)? ### What are the most popular departure times for flights from Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.)? ### Can you fly business or first class from Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.)? ### How do I earn miles on a Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.) flight with Expedia? ### What airports do you fly into for Denver from USM (USM)? ### Is it cheaper to buy a plane ticket from Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.) at the last minute? ### Is it cheaper to book a Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.) flight and hotel package? ### Can I cancel or change the date of my flight from Samui Intl. Airport (USM) to Denver, CO (DEN-Denver Intl.)? ## Travel information | Origin airport | Samui Intl. Airport | | ------------------- | ------------------- | | Destination airport | Denver Intl. | | Roundtrip price | $1,525 | | Distance | 8673 mi | ## Book with confidence # Samui Intl. Airport to Denver Flights The cheapest times to fly from Samui Intl. Airport to Denver 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 Samui Intl. Airport to Denver are during the month of October. You can find some of the cheapest flights from Samui Intl. Airport to Denver with Expedia's search tool and vast selection of airlines. The best time to book a flight from Samui Intl. Airport to Denver Sunday is one of the best days to book for cheap flights from Samui Intl. Airport to Denver: 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 Samui Intl. Airport to Denver 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 Samui Intl. Airport to Denver in 2026\. You can also book with separate airlines for your outbound and return journeys, from $650 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 Samui Intl. Airport to Denver 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 Samui Intl. Airport to Denver 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.