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Cheap flights from Ko Samui to the United States from ฿15,611

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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LAX
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 29 January 2026.

Sat 14/319:35
USM
-
LAX
2 stops25h 25m
EVA Air
Sat 21/311:40
LAX
-
USM
2 stops30h 05m
EVA Air
Deal found 28/1฿30,197
Sun 12/419:45
USM
-
LAX
2 stops25h 25m
EVA Air
Fri 24/400:05
LAX
-
USM
2 stops23h 40m
EVA Air
Deal found 27/1฿30,259
Sat 14/319:00
USM
-
LAX
2 stops39h 05m
Multiple Airlines
Sat 21/323:35
LAX
-
USM
1 stop30h 00m
Multiple Airlines
Deal found 29/1฿39,632
Sat 17/1008:10
USM
-
ORD
2 stops24h 35m
EVA Air
Tue 20/1000:30
ORD
-
USM
2 stops32h 00m
EVA Air
Deal found 26/1฿41,494
Wed 9/917:55
USM
-
LAX
2 stops34h 05m
Qatar Airways
Fri 11/916:20
LAX
-
USM
2 stops28h 10m
Qatar Airways
Deal found 27/1฿45,187
Sat 14/311:40
USM
-
LAX
1 stop36h 35m
Cathay Pacific
Sat 21/322:15
LAX
-
USM
1 stop31h 20m
Cathay Pacific
Deal found 28/1฿45,746
Sun 15/319:35
USM
-
MIA
2 stops37h 00m
Multiple Airlines
Sun 22/311:20
MIA
-
USM
2 stops33h 45m
Multiple Airlines
Deal found 29/1฿54,870
Mon 2/1119:00
USM
-
MIA
2 stops33h 25m
Qatar Airways
Wed 4/1119:15
MIA
-
USM
2 stops26h 05m
Qatar Airways
Deal found 26/1฿58,843

Find 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 29 January 2026.

Round-trip from

฿30,197

One-way from

฿15,611
EVA Air
  • EVA Air
  • 14/3-21/3
  • 4 total stops
  • 55h 30m total
  • Ko Samui to USA
Search Deals
31/5
  • 31/5
  • 2 total stops
  • 38h 30m total
  • Ko Samui to USA
Search Deals

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 29 January 2026.
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

Sat 14/3

19:35-07:00

2 stops25h 25m

Los Angeles

Sat 21/3

11:40-07:45

2 stops30h 05m

฿30,197

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sun 12/4

19:45-07:10

2 stops25h 25m

Los Angeles

Fri 24/4

00:05-13:45

2 stops23h 40m

฿30,259

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sat 14/3

19:00-20:05

2 stops39h 05m

Los Angeles

Sat 21/3

23:35-19:35

1 stop30h 00m

฿39,632

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sat 14/3

11:40-10:15

1 stop36h 35m

Los Angeles

Sat 21/3

22:15-19:35

1 stop31h 20m

฿45,746

Ko SamuiMiami

USM - MIA

USMMIA

Ko Samui

Sun 15/3

19:35-21:35

2 stops37h 00m

Miami

Sun 22/3

11:20-08:05

2 stops33h 45m

฿54,870

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sun 12/4

13:30-19:10

1 stop19h 40m

Los Angeles

Sat 25/4

23:30-18:15

1 stop28h 45m

฿85,037

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sun 31/5

07:50-08:20

2 stops38h 30m

฿15,611

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Thu 9/4

15:25-20:45

2 stops43h 20m

฿22,004

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sun 12/4

19:00-20:45

3 stops39h 45m

฿22,997

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Wed 8/4

11:15-20:45

2 stops23h 30m

฿23,680

Flights are sorted by cheapest return flights first.

Deals found on 28/1

Showing 1-10 of 14 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 29 January 2026.

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 25h 25m. Fly via EVA Air to get the fastest option. The distance from Ko Samui to USA is about 13692 km.

  • 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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Alternative routes for Ko Samui to USA

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Ko Samui to USA?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ko Samui to USA. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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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