Find flights
When to book
FAQs

Cheap flights from Ko Samui to the United States from ฿16,530

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LAX
19 Feb — 26 Feb1
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 20 January 2026.

Round-trip from

฿30,966

One-way from

฿16,342
EVA Air
  • EVA Air
  • 3/3-9/3
  • 4 total stops
  • 50h 35m total
  • Ko Samui to USA
Search Deals
5/3
  • 5/3
  • 2 total stops
  • 39h 05m 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 20 January 2026.

Sat 17/1020:35
USM
-
ORD
2 stops36h 10m
EVA Air
Tue 20/1000:30
ORD
-
USM
2 stops32h 00m
EVA Air
Deal found 18/1฿41,527
Mon 23/207:55
USM
-
MIA
2 stops37h 55m
Multiple Airlines
Mon 23/320:15
MIA
-
USM
2 stops38h 05m
Multiple Airlines
Deal found 18/1฿48,339
Wed 9/912:10
USM
-
LAX
2 stops39h 50m
Qatar Airways
Fri 11/916:20
LAX
-
USM
2 stops29h 35m
Qatar Airways
Deal found 18/1฿49,401
Wed 9/908:40
USM
-
LAX
1 stop25h 00m
Singapore Airlines
Fri 11/923:40
LAX
-
USM
1 stop42h 05m
Singapore Airlines
Deal found 18/1฿56,557
Mon 2/1119:35
USM
-
MIA
2 stops32h 50m
Qatar Airways
Wed 4/1119:15
MIA
-
USM
2 stops27h 20m
Qatar Airways
Deal found 16/1฿58,869
Thu 5/313:25
USM
-
MIA
2 stops56h 25m
Emirates
Thu 12/323:55
MIA
-
USM
2 stops55h 20m
Emirates
Deal found 19/1฿83,117

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 20 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 SamuiMiami

USM - MIA

USMMIA

Ko Samui

Mon 23/2

07:55-09:50

2 stops37h 55m

Miami

Mon 23/3

20:15-21:20

2 stops38h 05m

฿48,339

Ko SamuiMiami

USM - MIA

USMMIA

Ko Samui

Thu 5/3

13:25-09:50

2 stops56h 25m

Miami

Thu 12/3

23:55-18:15

2 stops55h 20m

฿83,117

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Mon 16/3

19:00-20:05

2 stops39h 05m

฿16,530

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sat 7/3

15:50-19:05

2 stops42h 15m

฿17,654

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Sat 21/2

19:00-07:35

3 stops49h 35m

฿22,248

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Sun 5/4

19:00-14:50

3 stops55h 50m

฿23,279

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Thu 18/6

06:00-08:45

3 stops38h 45m

฿24,248

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Thu 18/6

19:10-09:40

2 stops26h 30m

฿24,435

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Mon 2/2

13:35-19:25

2 stops20h 50m

฿25,404

Ko SamuiMiami

USM - MIA

USMMIA

Ko Samui

Tue 3/2

20:30-16:25

2 stops31h 55m

฿33,372

Flights are sorted by cheapest return flights first.

Deals found on 18/1

Showing 1-10 of 12 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 20 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 56h 25m. Fly via Emirates to get the fastest option. The distance from Ko Samui to USA is about 16074 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

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
Chiang Mai to Seattle 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.