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$702+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LAX
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap 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 February 4, 2026.

This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:35 pm
USM
-
LAX
2 stops48h 35m
EVA Air
Fri 4/2412:30 am
LAX
-
USM
2 stops23h 15m
EVA Air
Deal found 2/2$1,047
This Qatar Airways deal was found by Cheapflights users on 2/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:55 pm
USM
-
LAX
2 stops34h 05m
Qatar Airways
Fri 9/114:20 pm
LAX
-
USM
2 stops28h 10m
Qatar Airways
Deal found 2/2$1,432
This Singapore Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 9/98:40 am
USM
-
LAX
1 stop27h 10m
Singapore Airlines
Fri 9/119:15 pm
LAX
-
USM
1 stop20h 30m
Singapore Airlines
Deal found 2/2$1,796
This Singapore Airlines deal was found by Cheapflights users on 2/2. 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.
Sun 4/1210:05 am
USM
-
LAX
2 stops23h 05m
Multiple Airlines
Sat 4/2511:30 pm
LAX
-
USM
1 stop29h 20m
Multiple Airlines
Deal found 2/2$2,414

Find 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 February 4, 2026.

Round-trip from

$1,047
(KAYAK)

One-way from

$702
(Kiwi.com)
From Ko Samui to California
Search Deals
One-way flight from Ko Samui to California
Search Deals

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 February 4, 2026.
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

Sun 4/12

8:35 pm-7:10 am

2 stops48h 35m

Los Angeles

Fri 4/24

12:30 am-1:45 pm

2 stops23h 15m

$1,047

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sun 4/12

10:05 am-7:10 pm

2 stops23h 05m

Los Angeles

Sat 4/25

11:30 pm-6:50 pm

1 stop29h 20m

$2,414

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sun 2/15

7:45 pm-7:55 am

3 stops51h 10m

$702

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Fri 2/13

1:25 pm-6:50 am

2 stops56h 25m

$811

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sat 8/1

8:20 am-9:35 pm

2 stops27h 15m

$862

Ko SamuiLos Angeles

USM - LAX

USMLAX

Ko Samui

Sat 8/1

7:55 pm-7:50 am

2 stops25h 55m

$898

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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 February 4, 2026.

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.

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 48h 35m. The distance from Ko Samui to California is about 8508 mi.

  • 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

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