$388 Cheap Flights from Los Angeles (LAX) to Samui Intl. Airport (USM)

View $388 flight on Mon, Mar 9, 2026Opens in a new window

Popular airlines from Los Angeles Intl. (LAX) to Samui Intl. Airport (USM)

Cheap Flights from Los Angeles to Samui Intl. Airport (LAX-USM)

Prices were available within the past 7 days and start at $388 for one-way flights and $746 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Sep 18 - Wed, Oct 1
LAX
Los Angeles
USM
Koh Samui
$746 Roundtrip, found 13 hours ago
$746
Roundtrip
found 13 hours ago
Select United flight, departing Thu, Sep 18 from Los Angeles to Koh Samui, returning Wed, Oct 1, priced at $746 found 13 hours ago
United
Wed, Sep 17 - Wed, Oct 1
LAX
Los Angeles
USM
Koh Samui
$750 Roundtrip, found 13 hours ago
$750
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Sep 17 from Los Angeles to Koh Samui, returning Wed, Oct 1, priced at $750 found 13 hours ago
United
Wed, Oct 29 - Mon, Nov 10
LAX
Los Angeles
USM
Koh Samui
$750 Roundtrip, found 4 hours ago
$750
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Oct 29 from Los Angeles to Koh Samui, returning Mon, Nov 10, priced at $750 found 4 hours ago
United
Thu, Oct 23 - Sun, Oct 26
LAX
Los Angeles
USM
Koh Samui
$762 Roundtrip, found 5 days ago
$762
Roundtrip
found 5 days ago
Select United flight, departing Thu, Oct 23 from Los Angeles to Koh Samui, returning Sun, Oct 26, priced at $762 found 5 days ago
United
Mon, Sep 29 - Fri, Oct 3
LAX
Los Angeles
USM
Koh Samui
$771 Roundtrip, found 20 hours ago
$771
Roundtrip
found 20 hours ago
Select United flight, departing Mon, Sep 29 from Los Angeles to Koh Samui, returning Fri, Oct 3, priced at $771 found 20 hours ago
United
Tue, Sep 30 - Fri, Oct 3
LAX
Los Angeles
USM
Koh Samui
$775 Roundtrip, found 20 hours ago
$775
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Sep 30 from Los Angeles to Koh Samui, returning Fri, Oct 3, priced at $775 found 20 hours ago
Singapore Airlines
Mon, Mar 9 - Fri, Mar 13
LAX
Los Angeles
USM
Koh Samui
$794 Roundtrip, found 17 hours ago
$794
Roundtrip
found 17 hours ago
Select Singapore Airlines flight, departing Mon, Mar 9 from Los Angeles to Koh Samui, returning Fri, Mar 13, priced at $794 found 17 hours ago
Japan Airlines
Tue, Oct 28 - Mon, Nov 17
LAX
Los Angeles
USM
Koh Samui
$810 Roundtrip, found 6 days ago
$810
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Tue, Oct 28 from Los Angeles to Koh Samui, returning Mon, Nov 17, priced at $810 found 6 days ago
EVA Airways
Tue, Jan 27 - Tue, Feb 17
LAX
Los Angeles
USM
Koh Samui
$1,024 Roundtrip, found 12 hours ago
$1,024
Roundtrip
found 12 hours ago
Select EVA Airways flight, departing Tue, Jan 27 from Los Angeles to Koh Samui, returning Tue, Feb 17, priced at $1,024 found 12 hours ago
Turkish Airlines
Sat, Oct 11 - Fri, Oct 24
LAX
Los Angeles
USM
Koh Samui
$1,124 Roundtrip, found 5 days ago
$1,124
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Sat, Oct 11 from Los Angeles to Koh Samui, returning Fri, Oct 24, priced at $1,124 found 5 days ago

Find the cheapest month to fly from Los Angeles (LAX) to Koh Samui (USM)

September is typically the cheapest month to fly

From $693 - $1,207 per traveler.

Frequently asked questions

How much does a flight from Los Angeles Intl. Airport (LAX) to Ko Samui Airport (USM) cost?
Secure a cheap one-way flight from $388 or cheap return flight from $746 from Los Angeles Intl. Airport (LAX) to Ko Samui Airport (USM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Los Angeles Intl. Airport (LAX) to Ko Samui Airport (USM)?
The cheapest month to fly from LAX to USM is September, when there's less demand. Off-peak season is typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Los Angeles Intl. Airport (LAX) to Ko Samui Airport (USM)?
To find the cheapest airline that'll fly you from LAX to USM, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Los Angeles Intl. Airport (LAX) to Ko Samui Airport (USM)?
Direct flights from Los Angeles Intl. Airport (LAX) to Ko Samui Airport (USM) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LAX to USM?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles Intl. Airport (LAX) to Ko Samui Airport (USM)?
Opt for a flight from Los Angeles Intl. Airport (LAX) to Ko Samui Airport (USM) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Los Angeles Intl. Airport (LAX) to Ko Samui Airport (USM) last-minute?
Last-minute fares from LAX to USM are generally more expensive. To lock in the cheapest rates, start searching for flights as soon as possible. That being said, if you're flexible with your travel plans, it's possible to land a cheap ticket right before your journey.
Is it cheaper to book a LAX to USM flight and hotel package?
You can save money by securing a LAX to USM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Los Angeles Intl. Airport (LAX) to Ko Samui Airport (USM)?
If you booked your LAX to USM flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Los Angeles Intl.
Destination airport
Samui Intl. Airport
Airlines serving
Air France, British Airways, Cathay Pacific, China Airlines, EVA Airways, Japan Airlines, KLM, Lufthansa, Qatar Airways, Singapore Airlines, Turkish Airlines
Roundtrip price
$746
Distance
8513 mi

Book with confidence

Book with confidence

Los Angeles to Samui Intl. Airport Flights

The cheapest times to fly from Los Angeles 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 Los Angeles to Samui Intl. Airport are during the month of September. You can find some of the cheapest flights from Los Angeles to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Los Angeles to Samui Intl. Airport

Sunday is one of the best days to book for cheap flights from Los Angeles 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 Los Angeles 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 Los Angeles to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $388 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 Los Angeles 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. Bundling together your Los Angeles 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.

 

Los Angeles to Samui Intl. Airport Flights
*Available to One Key members.