HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
California

$438+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LAX
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ko Samui to California with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 14, 2025.

Round-trip from

$941
(SmartFares)

One-way from

$438
(Mytrip)
From Ko Samui to California
Search Deals
One-way flight from Ko Samui to California
Search Deals

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 October 14, 2025.

This EVA Air deal was found by Cheapflights users on 10/12. 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 11/67:55 amUSM - LAX
2 stops22h 25mEVA Air
Mon 11/1010:35 pmLAX - USM
2 stops25h 20mEVA Air
Deal found 10/12$982
This Cathay Pacific deal was found by Cheapflights users on 10/12. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:40 amUSM - LAX
1 stop24h 15mCathay Pacific
Mon 11/1010:35 pmLAX - USM
1 stop30h 00mCathay Pacific
Deal found 10/12$1,208

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 October 14, 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 11/6

7:55 am-3:20 pm

2 stops22h 25m

Los Angeles

Mon 11/10

10:35 pm-2:55 pm

2 stops25h 20m

$982

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Thu 11/6

11:40 am-8:55 pm

1 stop24h 15m

Los Angeles

Mon 11/10

10:35 pm-7:35 pm

1 stop30h 00m

$1,208

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Tue 11/4

7:00 am-7:00 pm

2 stops27h 00m

$438

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Mon 11/10

7:55 am-6:30 pm

2 stops25h 35m

$497

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Fri 10/31

3:50 pm-8:05 pm

3 stops42h 15m

$571

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Thu 1/22

2:05 pm-7:00 pm

2 stops19h 55m

$628

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Fri 10/31

11:40 am-10:15 am

1 stop36h 35m

$796

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Tue 11/4

11:40 am-4:20 pm

1 stop19h 40m

$803

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Mon 11/10

11:40 am-4:20 pm

1 stop19h 40m

$803

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Thu 1/22

11:40 am-4:20 pm

1 stop19h 40m

$945

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

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 October 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Ko Samui to California at noon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Ko Samui to California?

Use this chart to determine the cheapest time to fly round-trip from Ko Samui to California. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Ko Samui to California flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 14, 2025.
Read through reviews of airlines operating flights from Ko Samui to California, such as EVA Air. 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
1,250 reviews

Food

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,250 reviews
EVA Air
8.4
Very good
1,250 reviews

Food

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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.

  • How long is the flight from Ko Samui to California?

    Departing from Ko Samui to California will take you 22h 25m. The distance from Ko Samui to California is about 8508 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

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 California

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to Seattle flights
Suvarnabhumi to John F Kennedy Intl flights
Suvarnabhumi to Dallas/Fort Worth flights
Suvarnabhumi to Los Angeles flights
Suvarnabhumi to Newark flights
Suvarnabhumi to Dulles Intl flights
Suvarnabhumi to San Francisco flights
Suvarnabhumi to O'Hare Intl flights
Suvarnabhumi to LaGuardia flights
Suvarnabhumi to Ontario flights
Don Mueang Intl to Los Angeles flights
Suvarnabhumi to Orlando flights
Suvarnabhumi to Baltimore flights
Suvarnabhumi to Love Field flights
Suvarnabhumi to Honolulu flights
Suvarnabhumi to Reagan-National flights
Suvarnabhumi to Boston flights
Suvarnabhumi to Hobby flights
Don Mueang Intl to John F Kennedy Intl flights
Suvarnabhumi to Midway flights
Suvarnabhumi to Indianapolis flights
Don Mueang Intl to San Francisco flights
Suvarnabhumi to George Bush Intcntl flights
Suvarnabhumi to Las Vegas flights
Don Mueang Intl to Dallas/Fort Worth flights
Don Mueang Intl to Honolulu flights
Suvarnabhumi to Portland flights
Suvarnabhumi to Charlotte flights
Suvarnabhumi to San Diego flights
Don Mueang Intl to O'Hare Intl flights
Suvarnabhumi to Atlanta flights
Suvarnabhumi to Austin flights
Suvarnabhumi to Denver flights
Suvarnabhumi to Philadelphia flights
Suvarnabhumi to Cincinnati flights
Suvarnabhumi to Minneapolis flights
Chiang Mai to Dallas/Fort Worth flights
Suvarnabhumi to Fort Lauderdale flights
Suvarnabhumi to Oakland flights
Suvarnabhumi to Pittsburgh flights
Suvarnabhumi to San Jose flights
Chiang Mai to John F Kennedy Intl flights
Chiang Mai to Seattle flights
Suvarnabhumi to Appleton flights
Suvarnabhumi to Long Beach flights
Suvarnabhumi to Sky Harbor Intl flights
Suvarnabhumi to St. Louis flights

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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$935Average$1,189FlexibilityNo cancel feeOn-time74%

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.