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Cheap flights from Ko Samui to the United States from ฿16,664

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LAX
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

฿36,350

One-way from

฿16,664
EVA Air
  • EVA Air
  • 6/11-10/11
  • 4 total stops
  • 46h 45m total
  • Ko Samui to USA
Search Deals
18/10
  • 18/10
  • 2 total stops
  • 44h 15m total
  • Ko Samui to USA
Search Deals

Find flight deals from Ko Samui to USA

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 16 September 2025.

Thu 6/1110:00USM - LAX
2 stops20h 20mEVA Air
Mon 10/1123:00LAX - USM
2 stops26h 25mEVA Air
Deal found 15/9฿36,350
Thu 6/1119:45USM - LAX
1 stop39h 10mSingapore Airlines
Mon 10/1122:05LAX - USM
1 stop21h 55mSingapore Airlines
Deal found 15/9฿51,583
Fri 14/1113:25USM - MIA
2 stops37h 15mบริติชแอร์เวย์
Tue 18/1122:00MIA - USM
2 stops35h 05mบริติชแอร์เวย์
Deal found 15/9฿53,301
Fri 10/1013:30USM - ORD
2 stops37h 20mQatar Airways
Tue 14/1019:40ORD - USM
2 stops26h 50mQatar Airways
Deal found 14/9฿59,248
Fri 10/1009:15USM - ORD
2 stops42h 40mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Tue 14/1019:05ORD - USM
2 stops38h 05mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 15/9฿59,311
Fri 10/1021:00USM - ORD
2 stops35h 45mEVA Air
Mon 13/1000:30ORD - USM
2 stops25h 15mEVA Air
Deal found 15/9฿62,078

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 16 September 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 6/11

10:00-15:20

2 stops20h 20m

Los Angeles

Mon 10/11

23:00-16:25

2 stops26h 25m

฿36,350

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Thu 6/11

19:45-19:55

1 stop39h 10m

Los Angeles

Mon 10/11

22:05-11:00

1 stop21h 55m

฿51,583

Ko SamuiMiami

USM - MIA

USMMIA

Ko Samui

Fri 14/11

13:25-14:40

2 stops37h 15m

Miami

Tue 18/11

22:00-21:05

2 stops35h 05m

฿53,301

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Fri 10/10

13:30-14:50

2 stops37h 20m

Chicago O'Hare Intl

Tue 14/10

19:40-14:40

2 stops31h 00m

฿59,248

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Fri 10/10

09:15-15:55

2 stops42h 40m

Chicago O'Hare Intl

Tue 14/10

19:05-21:10

2 stops38h 05m

฿59,311

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Fri 10/10

21:00-20:45

2 stops35h 45m

Chicago O'Hare Intl

Mon 13/10

00:30-13:45

2 stops25h 15m

฿62,078

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Wed 14/1

13:45-19:25

2 stops20h 40m

Los Angeles

Sun 25/1

23:00-15:40

2 stops25h 40m

฿158,821

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Wed 14/1

09:20-15:10

2 stops20h 50m

Los Angeles

Sun 25/1

21:30-20:25

3 stops31h 55m

฿206,937

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Wed 14/1

08:55-18:10

1 stop24h 15m

Los Angeles

Sun 25/1

19:50-08:00

1 stop21h 10m

฿224,460

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sat 18/10

14:30-20:45

2 stops44h 15m

฿16,664

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 19 results
1
2

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 16 September 2025.

When flying from Ko Samui to USA, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 20m. Fly via EVA Air, Singapore Airlines, 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.

  • What is the cheapest month to book a flight from Ko Samui to USA?

    Currently, September is the cheapest month in which you can book a flight from Ko Samui to USA (average of ฿674). Flying from Ko Samui to USA in July is currently the most expensive (average of ฿923). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

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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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