Title: Cheap Flights from San Antonio (SAT) 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://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from San Antonio (SAT) 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 San Antonio International Airport (SAT) 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:sat,to:usm,departure:22/10/2025TANYT&leg2=from:usm,to:sat,departure:29/10/2025TANYT&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:sat,to:usm,departure:22/10/2025TANYT&leg2=from:usm,to:sat,departure:29/10/2025TANYT&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:sat,to:usm,departure:22/10/2025TANYT&leg2=from:usm,to:sat,departure:29/10/2025TANYT&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:sat,to:usm,departure:22/10/2025TANYT&leg2=from:usm,to:sat,departure:29/10/2025TANYT&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:sat,to:usm,departure:22/10/2025TANYT&leg2=from:usm,to:sat,departure:29/10/2025TANYT&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:sat,to:usm,departure:22/10/2025TANYT&leg2=from:usm,to:sat,departure:29/10/2025TANYT&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:sat,to:usm,departure:22/10/2025TANYT&leg2=from:usm,to:sat,departure:29/10/2025TANYT&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) Flight from San Antonio to Samui Intl. Airport (SAT - USM) route information | Origin airport | San Antonio Intl. | | --- | --- | | Destination airport | Samui Intl. Airport | | Distance | 15148 km | ## San Antonio to Koh Samui Flights **The easy way to book your flights from San Antonio to Samui Intl. Airport**  With Expedia, it’s simple to find and book flights to Samui Intl. Airport from San Antonio whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 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 San Antonio to Samui Intl. Airport today, tomorrow, or this week.   **Save dollars with cheap flights from San Antonio Intl., SAT to Samui Intl. Airport, USM**  Sort your search results by price to find great deals on your flight from San Antonio 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 San Antonio currently is just rising to .   Here are more money-saving tips:  - Fly in 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 San Antonio**  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. ## Frequently asked questions ### How much is a flight from San Antonio Intl. Airport (SAT) to USM? > Round-trip journeys from SAT to Ko Samui Airport start from . This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book now so you don't miss out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from San Antonio Airport to Ko Samui Airport (USM)? > The majority of flights can be cancelled online, but whether you are charged a fee varies between airlines. If you do need to cancel your break, follow the instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from San Antonio Airport to USM that have flexible change policies? > Flights from San Antonio Intl. Airport (SAT) to Ko Samui Airport with flexible change policies are available with many airlines. Simply use our "No change fees" filter during your search. You'll only need to cover the cost difference between flights, without any additional fees to worry about. ### How far is the flight from SAT to USM? > With a flight distance of 15,300 kilometres from San Antonio Airport (SAT) to USM (USM), this is a long-haul journey. Ensure that you stay hydrated and take a short walk down the aisle every now and then. ### Which airlines fly direct from San Antonio Intl. Airport (SAT) to USM? > At present, no airlines offer flights directly from SAT to Ko Samui Airport. You'll have to book a flight with at least one stop. To get the best connections and price, lock in your airfare well ahead of time. ### Are San Antonio Intl. Airport (SAT) to USM flight tickets cheaper when they're purchased at the last minute? > Last-minute planners can occasionally score a bargain, with some of the cheapest fares from SAT to Ko Samui Airport showing up a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates the best flight deals frequently — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines issue prices that far in advance. ## Explore a world of travel with Expedia \*Available to Expedia members.