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Cheap flights from Ko Samui to the United States from ฿16,246

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
8 Dec — 15 Dec1
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 8 November 2025.

Round-trip from

฿30,616

One-way from

฿16,246
EVA Air
  • EVA Air
  • 21/12-28/12
  • 4 total stops
  • 66h 25m total
  • Ko Samui to USA
Search Deals
22/1
  • 22/1
  • 2 total stops
  • 31h 48m 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 8 November 2025.

Fri 14/1121:10USM - LAX
2 stops24h 50mEVA Air
Sun 23/1123:00LAX - USM
2 stops25h 35mEVA Air
Deal found 7/11฿28,900
Thu 13/1121:10USM - LAX
2 stops24h 50mEVA Air
Mon 17/1123:00LAX - USM
2 stops25h 40mEVA Air
Deal found 5/11฿30,518
Fri 14/1110:00USM - LAX
2 stops38h 15mMultiple Airlines
Sun 23/1110:55LAX - USM
1 stop41h 40mMultiple Airlines
Deal found 7/11฿38,577
Thu 13/1111:40USM - LAX
1 stop24h 15mCathay Pacific
Mon 17/1121:15LAX - USM
1 stop31h 20mCathay Pacific
Deal found 5/11฿44,305
Mon 22/1208:20USM - ORD
2 stops24h 15mMultiple Airlines
Mon 29/1223:30ORD - USM
2 stops27h 30mMultiple Airlines
Deal found 6/11฿45,567
Mon 22/1207:55USM - ORD
2 stops24h 40mEVA Air
Mon 29/1223:30ORD - USM
2 stops27h 55mEVA Air
Deal found 6/11฿45,664
Fri 14/1113:25USM - MIA
2 stops42h 05mบริติชแอร์เวย์
Tue 18/1122:00MIA - USM
2 stops35h 05mบริติชแอร์เวย์
Deal found 5/11฿53,464
Fri 21/1116:25USM - MIA
2 stops34h 15mบริติชแอร์เวย์
Tue 25/1117:10MIA - USM
2 stops37h 05mบริติชแอร์เวย์
Deal found 6/11฿53,658
Fri 14/1118:35USM - ORD
2 stops28h 30mเตอร์กิชแอร์ไลน์
Tue 18/1111:50ORD - USM
2 stops31h 50mเตอร์กิชแอร์ไลน์
Deal found 6/11฿59,289
Fri 14/1116:25USM - ORD
2 stops35h 55mลุฟท์ฮันซ่า
Tue 18/1121:50ORD - USM
2 stops32h 05mลุฟท์ฮันซ่า
Deal found 5/11฿59,937
Mon 22/1211:40USM - ORD
1 stop38h 15mCathay Pacific
Mon 29/1214:35ORD - USM
1 stop40h 00mCathay Pacific
Deal found 6/11฿84,403
Tue 16/1215:50USM - ORD
3 stops32h 40mMultiple Airlines
Sun 4/113:30ORD - USM
2 stops32h 05mMultiple Airlines
Deal found 6/11฿157,544

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 8 November 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

Sun 21/12

21:10-06:50

2 stops24h 40m

Los Angeles

Sun 28/12

23:00-07:45

2 stops41h 45m

฿30,616

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Mon 22/12

07:55-19:35

2 stops24h 40m

Chicago O'Hare Intl

Mon 29/12

23:30-16:25

2 stops27h 55m

฿45,664

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Mon 22/12

19:35-06:05

3 stops47h 30m

Chicago O'Hare Intl

Mon 29/12

23:30-16:25

2 stops27h 55m

฿52,623

Ko SamuiMiami

USM - MIA

USMMIA

Ko Samui

Fri 21/11

16:25-14:40

2 stops34h 15m

Miami

Tue 25/11

17:10-18:15

2 stops37h 05m

฿53,658

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sun 21/12

19:45-19:55

1 stop39h 10m

Los Angeles

Sun 28/12

22:00-08:05

2 stops43h 05m

฿57,283

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Tue 16/12

10:00-19:35

2 stops22h 35m

Chicago O'Hare Intl

Sat 3/1

23:30-20:25

2 stops31h 55m

฿167,350

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Mon 15/12

07:55-19:35

2 stops24h 40m

Chicago O'Hare Intl

Mon 5/1

23:30-15:35

2 stops27h 05m

฿167,350

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Tue 16/12

11:40-12:55

1 stop38h 15m

Chicago O'Hare Intl

Mon 5/1

14:35-19:35

1 stop40h 00m

฿168,127

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Mon 15/12

11:40-12:55

1 stop38h 15m

Chicago O'Hare Intl

Mon 5/1

14:35-19:35

1 stop40h 00m

฿168,127

Ko SamuiChicago

USM - ORD

USMORD

Ko Samui

Tue 16/12

11:40-12:55

1 stop38h 15m

Chicago O'Hare Intl

Sun 4/1

14:35-19:35

1 stop40h 00m

฿168,127

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 27 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 8 November 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 24h 40m. Fly via EVA Air 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 cheapest airlines to fly from Ko Samui to USA one-way?

    To fly one-way, consider booking your trip with Cathay Pacific, which is currently one of the cheapest options available, starting at ฿26,052. Qatar Airways flights start at ฿28,997 while deals on EVA Air start at ฿32,687 one-way.

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

    Most travellers choose Ko Samui - 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

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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.
Chiang Mai to Los Angeles flights

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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