Find flights
When to book
FAQs

Cheap flights from Ko Samui to the United States from ฿21,407

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LAX
30 Apr — 7 May1
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 31 March 2026.

Wed 9/919:45
USM
-
LAX
2 stops26h 05m
Multiple Airlines
Wed 16/910:10
LAX
-
USM
2 stops44h 20m
Multiple Airlines
Deal found 27/3฿29,714
Wed 16/910:05
USM
-
LAX
2 stops25h 05m
Multiple Airlines
Tue 22/900:35
LAX
-
USM
2 stops40h 35m
Multiple Airlines
Deal found 28/3฿31,388
Tue 15/908:45
USM
-
LAX
2 stops21h 55m
EVA Air
Fri 18/900:30
LAX
-
USM
2 stops24h 15m
EVA Air
Deal found 27/3฿32,012
Wed 9/911:45
USM
-
LAX
2 stops23h 10m
EVA Air
Thu 10/900:30
LAX
-
USM
2 stops23h 15m
EVA Air
Deal found 30/3฿32,176
Mon 27/411:45
USM
-
LAX
2 stops23h 10m
EVA Air
Mon 4/511:50
LAX
-
USM
2 stops30h 25m
EVA Air
Deal found 28/3฿41,369
Sun 10/520:50
USM
-
LAX
2 stops24h 20m
EVA Air
Sat 16/500:15
LAX
-
USM
2 stops23h 30m
EVA Air
Deal found 26/3฿41,566
Sat 21/1107:00
USM
-
ORD
2 stops25h 35m
EVA Air
Wed 25/1123:30
ORD
-
USM
2 stops42h 40m
EVA Air
Deal found 27/3฿41,993
Tue 24/1108:30
USM
-
ORD
2 stops24h 05m
EVA Air
Sat 28/1123:30
ORD
-
USM
2 stops42h 40m
EVA Air
Deal found 30/3฿42,157
Sun 8/1119:35
USM
-
MIA
2 stops32h 50m
Qatar Airways
Wed 11/1119:15
MIA
-
USM
2 stops28h 35m
Qatar Airways
Deal found 27/3฿56,473
Sun 8/1118:30
USM
-
MIA
2 stops33h 55m
Qatar Airways
Thu 12/1119:15
MIA
-
USM
2 stops29h 50m
Qatar Airways
Deal found 30/3฿56,735

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 31 March 2026.

Round-trip from

฿28,466

One-way from

฿21,407
9/9-16/9
  • 9/9-16/9
  • 4 total stops
  • 82h 30m total
  • Ko Samui to USA
Search Deals
18/6
  • 18/6
  • 2 total stops
  • 38h 00m 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 31 March 2026.
Use the filters below to find and compare flights from Ko Samui to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Wed 9/9

19:45-07:50

2 stops26h 05m

Los Angeles Los Angeles

Wed 16/9

10:10-20:30

2 stops44h 20m

฿29,714
Fastest return journey

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Tue 15/9

13:50-20:55

2 stops21h 05m

Los Angeles Los Angeles

Fri 18/9

01:05-13:45

2 stops22h 40m

฿32,045

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Wed 9/9

11:45-20:55

2 stops23h 10m

Los Angeles Los Angeles

Thu 10/9

00:30-13:45

2 stops23h 15m

฿32,176

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Mon 27/4

11:45-20:55

2 stops23h 10m

Los Angeles Los Angeles

Mon 4/5

11:50-08:15

2 stops30h 25m

฿41,369

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sun 10/5

20:50-07:10

2 stops24h 20m

Los Angeles Los Angeles

Sat 16/5

00:15-13:45

2 stops23h 30m

฿41,566
Cheapest one-way

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Thu 18/6

07:50-07:50

2 stops38h 00m

฿21,407

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Sun 21/6

11:45-09:40

2 stops33h 55m

฿25,380

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Sun 21/6

17:50-15:40

3 stops33h 50m

฿26,069

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sat 1/8

20:35-07:50

2 stops25h 15m

฿30,732

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sat 1/8

14:35-21:45

2 stops21h 10m

฿31,027

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 13 resultsSorted by cheapest first
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 31 March 2026.

It’s typically best to fly out from Ko Samui to USA at midday. Doing so could potentially save you 57% on the flight price compared to flying in the morning, 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 21h 05m. 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 Los Angeles, Ko Samui - Chicago O'Hare Intl or Ko Samui - Miami 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ko Samui to USA

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to San Francisco flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.