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Cheap flights from Ko Samui to the United States from ฿20,521

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LAX
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ko Samui to USA

Keep the following information in mind while searching for Ko Samui to USA flight deals. Data was last updated 24 October 2025.

Round-trip from

฿32,061

One-way from

฿20,521
EVA Air
  • EVA Air
  • 13/11-17/11
  • 4 total stops
  • 46h 05m total
  • Ko Samui to USA
Search Deals
22/1
  • 22/1
  • 2 total stops
  • 20h 15m total
  • Ko Samui to USA
Search Deals

Find flight deals from Ko Samui to USA

Enter your travel dates to find the best prices.

Cheapest flights from Ko Samui to USA
Explore the most affordable flight options available from Ko Samui to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Thu 13/1114:05USM - LAX
2 stops20h 30mEVA Air
Mon 17/1123:00LAX - USM
2 stops25h 35mEVA Air
Deal found 22/10฿32,061
Thu 13/1111:40USM - LAX
1 stop24h 15mCathay Pacific
Mon 17/1121:15LAX - USM
1 stop31h 20mCathay Pacific
Deal found 22/10฿39,404
Fri 14/1108:30USM - ORD
2 stops24h 05mEVA Air
Tue 18/1123:30ORD - USM
2 stops27h 05mEVA Air
Deal found 23/10฿47,075
Fri 14/1116:25USM - MIA
2 stops39h 05mบริติชแอร์เวย์
Tue 18/1117:10MIA - USM
2 stops39h 55mบริติชแอร์เวย์
Deal found 22/10฿53,959
Tue 23/1209:20USM - LAX
2 stops24h 45mMultiple Airlines
Sat 3/110:50LAX - USM
2 stops37h 45mMultiple Airlines
Deal found 22/10฿145,682
Tue 23/1211:40USM - LAX
1 stop36h 35mCathay Pacific
Sat 3/110:55LAX - USM
1 stop41h 40mCathay Pacific
Deal found 22/10฿268,909

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ko Samui to USA that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 24 October 2025.
Use the filters below to find and compare flights from Ko Samui to the United States that are best for you.

Fly from

Ko Samui

Fly to

USA

Route

Depart

Return

Price

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Thu 13/11

14:05-19:35

2 stops20h 30m

Los Angeles

Mon 17/11

23:00-15:35

2 stops25h 35m

฿32,061

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Thu 13/11

11:40-20:55

1 stop24h 15m

Los Angeles

Mon 17/11

21:15-19:35

1 stop31h 20m

฿39,404

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Fri 14/11

08:30-19:35

2 stops24h 05m

Chicago O'Hare Intl

Tue 18/11

23:30-15:35

2 stops27h 05m

฿47,075

Ko SamuiMiami

USM - MIA

USMMIA

Ko Samui

Fri 14/11

16:25-19:30

2 stops39h 05m

Miami

Tue 18/11

17:10-21:05

2 stops39h 55m

฿53,959

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Tue 23/12

09:20-19:05

2 stops24h 45m

Los Angeles

Sat 3/1

10:50-15:35

2 stops37h 45m

฿145,682

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Thu 22/1

13:45-19:00

2 stops20h 15m

฿20,521

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Thu 22/1

11:40-20:55

1 stop24h 15m

฿26,291

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Wed 24/12

19:45-10:06

2 stops53h 21m

฿34,454

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sun 25/1

07:15-19:25

2 stops27h 10m

฿35,503

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sat 3/1

19:00-07:55

3 stops51h 55m

฿55,598

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 18 results
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Best time to book a flight from Ko Samui to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Ko Samui with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ko Samui to the United States

What is the cheapest time of day to fly from USM to US?

Find hourly flight availability from Ko Samui to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 October 2025.

It’s typically best to fly out from Ko Samui to USA in the evening. Doing so could potentially save you 50% on the flight price compared to flying in the afternoon, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Ko Samui to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ko Samui to United States?

    Located just 3.3 km from the city centre, Ko Samui (USM) is the airport most travellers will use when flying to United States from Ko Samui.

  • How long is the flight from Ko Samui to USA?

    There are many flights that can get you from Ko Samui to USA in 20h 30m. Fly via EVA Air, Cathay Pacific, or บริติชแอร์เวย์ to get the fastest option. The distance from Ko Samui to USA is about 13692 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Ko Samui to USA?

    Most travellers choose Ko Samui - Los Angeles, Ko Samui - Miami or Ko Samui - Chicago O'Hare Intl when deciding on the best route from Ko Samui to USA.

  • Can I find deals for flights from Ko Samui to USA that include hotel bookings?

    Yes. In addition to deals on Ko Samui to USA flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ko Samui to USA?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to USA.

  • Can I find deals for business class flights from Ko Samui to USA?

    Yes. Cheapflights offers flight deals from Ko Samui to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets from Ko Samui to USA?

Cheapflights simply makes it quick and affordable to book flights from Ko Samui to USA by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ko Samui to USA with no change fees?

Need flexible booking options for your flight to USA from Ko Samui? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ko Samui to USA become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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