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$492+ Cheap flights from Ko Samui (USM) to California

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LAX
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheap flight deals from Ko Samui to California

Keep the following information in mind while searching for Ko Samui to California flight deals. Data was last updated June 30, 2025.

Round-trip from

$1,133
(EVA Air)

One-way from

$492
(Trip.com)
From Ko Samui to California
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One-way flight from Ko Samui to California
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Find flight deals from Ko Samui to California

Cheapest flights from Ko Samui to California
Explore the most affordable flight options available from Ko Samui to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

This EVA Air deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:20 amUSM - LAX
2 stops21h 00mEVA Air
Mon 11/1710:35 pmLAX - USM
2 stops26h 50mEVA Air
Deal found 6/27$1,133
This Singapore Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:45 amUSM - LAX
1 stop23h 10mSingapore Airlines
Mon 11/1710:05 pmLAX - USM
1 stop21h 45mSingapore Airlines
Deal found 6/27$1,487

Cheapflights Fare Finder

Customize your flight search to find flights from Ko Samui to California 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 2,558,603 searches. Data last updated June 30, 2025.
Use the filters below to find and compare flights from Ko Samui to California that are best for you.

Fly from

Ko Samui

Fly to

California

Route

Depart

Return

Price

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Thu 11/13

9:20 am-3:20 pm

2 stops21h 00m

Los Angeles

Mon 11/17

10:35 pm-4:25 pm

2 stops26h 50m

$1,133

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Thu 11/13

11:45 am-7:55 pm

1 stop23h 10m

Los Angeles

Mon 11/17

10:05 pm-10:50 am

1 stop21h 45m

$1,487

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sat 10/11

7:00 am-8:45 pm

2 stops51h 45m

$492

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Wed 7/9

10:55 am-5:05 pm

1 stop20h 10m

$3,501

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sun 7/6

12:05 pm-7:05 pm

1 stop21h 00m

$5,755

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Best time to book a flight from Ko Samui to California

Have a flexible travel schedule? Discover the best time to fly to California from Ko Samui with our price prediction graph.
Estimated round-trip 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 California

What is the cheapest time of day to fly from USM to CA?

Find hourly flight availability from Ko Samui to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ko Samui to California as you normally would.

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated June 30, 2025.
Read through reviews of airlines operating flights from Ko Samui to California, such as EVA Air, Singapore Airlines, and Cathay Pacific. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,210 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,210 reviews
EVA Air
8.4
Very good
1,210 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very good
1,319 reviews
EVA Air
8.4
Very good
1,210 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Cathay Pacific
7.6
Good
921 reviews
EVA Air
8.4
Very good
1,210 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Ko Samui to California. 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 California?

    For a flight from Ko Samui to California, you will be flying from Ko Samui. Ko Samui (USM) is just 2.1 mi from the center of the city.

  • Can I find deals for flights from Ko Samui to California that include hotel bookings?

    Yes. In addition to deals on Ko Samui to California flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ko Samui to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to California.

  • Can I find deals for business class flights from Ko Samui to California?

    Yes. Cheapflights offers flight deals from Ko Samui to California 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 California?

    Currently, January is the cheapest month in which you can book a flight from Ko Samui to California (average of $246). Flying from Ko Samui to California in March is currently the most expensive (average of $326). 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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Top airline flying from Ko Samui to California

Discover the top airline that operate flights from Ko Samui to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,037Average$1,121FlexibilityNo cancel feeOn-time74%

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