$545+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
USM — LAX
Dec 31 — Jan 71
1 adult, Economy
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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 December 1, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,016 (EVA Air) |
One-way from | $545 (Kiwi.com) |
Find flight deals from Ko Samui to California
Best flights from Ko Samui to CaliforniaDiscover carefully curated flight deals from Ko Samui to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 1, 2025.
Discover carefully curated flight deals from Ko Samui to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 1, 2025.
This EVA Air deal was found by Cheapflights users on 11/28. 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.
Fri 3/138:30 pmUSM - LAX
2 stops24h 30mEVA Air
Mon 3/1612:30 amLAX - USM
2 stops25h 10mEVA Air
Deal found 11/28![EVA Air logo]()
$1,016
This Mytrip deal was found by Cheapflights users on 12/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/156:05 pmUSM - LAX
3 stops34h 35mMultiple Airlines
Thu 1/2210:45 pmLAX - USM
2 stops25h 55mMultiple Airlines
Deal found 12/1![Multiple Airlines logo]()
$1,300
This Cathay Pacific deal was found by Cheapflights users on 11/28. 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.
Fri 3/1311:40 amUSM - LAX
1 stop24h 15mCathay Pacific
Tue 3/1710:15 pmLAX - USM
1 stop31h 20mCathay Pacific
Deal found 11/28![Cathay Pacific logo]()
$1,460
This Qatar Airways deal was found by Cheapflights users on 11/28. 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.
Fri 3/137:00 pmUSM - LAX
2 stops32h 50mQatar Airways
Tue 3/174:10 pmLAX - USM
2 stops28h 30mQatar Airways
Deal found 11/28![Qatar Airways logo]()
$1,579
This SmartFares deal was found by Cheapflights users on 12/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/157:30 pmUSM - LAX
2 stops26h 20mEVA Air
Thu 1/2210:40 amLAX - USM
2 stops29h 50mEVA Air
Deal found 12/1![EVA Air logo]()
$1,185
This oojo deal was found by Cheapflights users on 12/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1511:40 amUSM - LAX
1 stop24h 15mCathay Pacific
Thu 1/229:15 pmLAX - USM
1 stop31h 20mCathay Pacific
Deal found 12/1![Cathay Pacific logo]()
$1,534
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 December 1, 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
Fri 3/13
8:30 pm-7:00 am
2 stops24h 30m
Los Angeles
Mon 3/16
12:30 am-3:40 pm
2 stops25h 10m
$1,016
Ko SamuiLos Angeles
USM - LAX
USMLAX
Ko Samui
Thu 1/15
7:30 pm-6:50 am
2 stops26h 20m
Los Angeles
Thu 1/22
10:40 am-7:30 am
2 stops29h 50m
$1,185
Ko SamuiLos Angeles
USM - LAX
USMLAX
Ko Samui
Thu 1/15
6:05 pm-1:40 pm
3 stops34h 35m
Los Angeles
Thu 1/22
10:45 pm-3:40 pm
2 stops25h 55m
$1,300
Ko SamuiLos Angeles
USM - LAX
USMLAX
Ko Samui
Fri 3/13
11:40 am-9:55 pm
1 stop24h 15m
Los Angeles
Tue 3/17
10:15 pm-7:35 pm
1 stop31h 20m
$1,460
Ko SamuiLos Angeles
USM - LAX
USMLAX
Ko Samui
Thu 1/15
11:40 am-8:55 pm
1 stop24h 15m
Los Angeles
Thu 1/22
9:15 pm-7:35 pm
1 stop31h 20m
$1,534
Ko SamuiLos Angeles
USM - LAX
USMLAX
Ko Samui
Fri 3/13
7:00 pm-1:50 pm
2 stops32h 50m
Los Angeles
Tue 3/17
4:10 pm-10:40 am
2 stops28h 30m
$1,579
Ko SamuiLos Angeles
USM - LAX
USMLAX
Ko Samui
Sat 3/7
7:00 pm-7:05 pm
2 stops39h 05m
$545
Ko SamuiLos Angeles
USM - LAX
USMLAX
Ko Samui
Tue 3/3
6:30 pm-7:55 am
2 stops28h 25m
$612
Ko SamuiLos Angeles
USM - LAX
USMLAX
Ko Samui
Mon 1/19
8:55 am-10:06 pm
3 stops52h 11m
$655
Ko SamuiLos Angeles
USM - LAX
USMLAX
Ko Samui
Wed 1/14
11:40 am-11:14 pm
3 stops26h 34m
$760
Showing 1-10 of 17 results
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 December 1, 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.