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Koh Samui

$506+ Cheap flights from California to Koh Samui (USM)

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — USM
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from California to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from California (USCA) to Koh Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from California to Koh Samui

Cheapest flights from California to Koh Samui
Explore the most affordable flight options available from California to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2710:40 amLAX - USM
2 stops30h 05mEVA Air
Wed 1/222:05 pmUSM - LAX
2 stops20h 10mEVA Air
Deal found 11/20$1,212
This oojo deal was found by Cheapflights users on 11/19. 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.
Sat 12/712:00 pmSFO - USM
2 stops28h 40mEVA Air
Sun 12/228:30 pmUSM - SFO
2 stops25h 00mEVA Air
Deal found 11/19$1,315
This KAYAK deal was found by Cheapflights users on 11/20. 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.
Wed 11/2710:05 pmLAX - USM
1 stop29h 20mSingapore Airlines
Wed 1/228:55 amUSM - LAX
1 stop26h 00mSingapore Airlines
Deal found 11/20$1,353
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Sat 12/712:23 pmSJC - USM
3 stops33h 42mMultiple Airlines
Sun 12/229:20 pmUSM - SJC
3 stops38h 01mMultiple Airlines
Deal found 11/19$1,652
This oojo deal was found by Cheapflights users on 11/19. 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.
Sat 12/79:40 amSFO - USM
1 stop41h 45mSingapore Airlines
Sun 12/228:55 amUSM - SFO
1 stop24h 40mSingapore Airlines
Deal found 11/19$1,712
This Booking.com deal was found by Cheapflights users on 11/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1311:00 amLAX - USM
2 stops29h 45mMultiple Airlines
Sat 12/219:05 pmUSM - LAX
2 stops30h 25mMultiple Airlines
Deal found 11/20$1,809
This oojo deal was found by Cheapflights users on 11/19. 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.
Sat 12/711:35 pmSFO - USM
1 stop29h 00mCathay Pacific
Sun 12/228:30 amUSM - SFO
2 stops27h 30mCathay Pacific
Deal found 11/19$1,867
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/811:50 pmSFO - USM
2 stops26h 10mMultiple Airlines
Fri 1/38:40 pmUSM - SFO
2 stops24h 50mMultiple Airlines
Deal found 11/20$2,939
This Arangrant deal was found by Cheapflights users on 11/20. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/288:55 pmLAX - USM
2 stops30h 20mBritish Airways
Sun 12/294:25 pmUSM - LAX
2 stops38h 25mBritish Airways
Deal found 11/20$3,160
This business-class.com deal was found by Cheapflights users on 11/20. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2810:00 amLAX - USM
3 stops37h 55mVietnam Airlines
Sun 12/293:35 pmUSM - LAX
3 stops33h 40mVietnam Airlines
Deal found 11/20$4,811
This SmartFares deal was found by Cheapflights users on 11/20. 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.
Tue 12/36:15 amSJC - USM
3 stops45h 00mSingapore Airlines
Wed 12/184:25 pmUSM - SJC
2 stops34h 29mSingapore Airlines
Deal found 11/20$13,517

Find flights from California to Koh Samui within your budget

Customize your flight search to find flights from California to Koh Samui 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Thu 1/16

11:00 am-7:30 am

2 stops29h 30m

Ko Samui

Thu 4/24

7:00 am-9:40 am

2 stops40h 40m

$1,043

San FranciscoKoh Samui

SFO - USM

SFOUSM

San Francisco

Sat 3/1

11:50 pm-4:25 pm

2 stops25h 35m

Ko Samui

Sun 3/23

7:00 pm-6:40 am

2 stops25h 40m

$1,062

San FranciscoKoh Samui

SFO - USM

SFOUSM

San Francisco

Mon 2/10

9:40 am-8:00 am

1 stop31h 20m

Ko Samui

Thu 2/20

8:55 am-7:50 am

1 stop37h 55m

$1,097

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Thu 1/16

10:40 am-7:45 am

2 stops30h 05m

Ko Samui

Thu 4/24

7:00 am-4:10 pm

2 stops23h 10m

$1,101

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Thu 1/16

10:05 pm-6:30 pm

1 stop29h 25m

Ko Samui

Thu 4/24

7:25 pm-9:40 pm

1 stop40h 15m

$1,342

San DiegoKoh Samui

SAN - USM

SANUSM

San Diego

Tue 1/28

6:15 am-7:40 am

3 stops34h 25m

Ko Samui

Mon 2/10

9:05 pm-7:53 pm

3 stops37h 48m

$1,358

San FranciscoKoh Samui

SFO - USM

SFOUSM

San Francisco

Sat 3/1

11:35 pm-7:35 pm

1 stop29h 00m

Ko Samui

Sun 3/23

2:30 pm-10:15 pm

2 stops21h 45m

$1,473

San JoseKoh Samui

SJC - USM

SJCUSM

San Jose

Sat 12/7

12:23 pm-1:05 pm

3 stops33h 42m

Ko Samui

Sun 12/22

9:20 pm-8:21 pm

3 stops38h 01m

$1,652

San DiegoKoh Samui

SAN - USM

SANUSM

San Diego

Fri 2/7

8:00 am-7:35 pm

2 stops44h 35m

Ko Samui

Sat 2/15

11:40 am-9:13 pm

2 stops24h 33m

$1,832

San FranciscoKoh Samui

SFO - USM

SFOUSM

San Francisco

Sat 12/7

11:35 pm-7:35 pm

1 stop29h 00m

Ko Samui

Sun 12/22

8:30 am-9:00 pm

2 stops27h 30m

$1,867

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 34 results
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Best time to book a flight from California to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh Samui from California 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.

Travel insights for flights from California to Koh Samui

Get recent, data-driven insights about flights from California to Koh Samui including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from California to Koh Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

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

Rainfall in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Koh Samui ranges from 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Koh Samui when rainfall is around 2.3 in.

Temperature in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Koh Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Koh Samui

Get insights into the airlines that provide service to Koh Samui. 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 Koh Samui. Reviews last updated November 21, 2024.
Get a feel of what it's like to fly with EVA Air, Singapore Airlines and Cathay Pacific from California to Koh Samui by reading reviews from past customers. 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
1,308 reviews

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.2

Entertainment

8.0

Food

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very good
1,308 reviews
EVA Air
8.4
Very good
1,308 reviews

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.2

Entertainment

8.0

Food

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Japan Airlines
8.3
Very good
1,460 reviews
EVA Air
8.4
Very good
1,308 reviews

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.2

Entertainment

8.0

Food

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Emirates
8.1
Very good
3,485 reviews
EVA Air
8.4
Very good
1,308 reviews

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.2

Entertainment

8.0

Food

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Singapore Airlines
8.1
Very good
1,336 reviews
EVA Air
8.4
Very good
1,308 reviews

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.2

Entertainment

8.0

Food

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Cathay Pacific
7.6
Good
878 reviews
EVA Air
8.4
Very good
1,308 reviews

Boarding

8.4

Overall

8.4

Crew

8.6

Comfort

8.2

Entertainment

8.0

Food

8.0

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Related info for your journey

Find useful and relevant information for your journey from California to Koh Samui. 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 into for flights to Koh Samui from California?

    Ko Samui (USM), located 2.1 mi from the city center, is the airport you fly into when you book flights from California to Koh Samui.

  • What are the cheapest airlines to fly from California to Koh Samui one-way?

    The cheapest airlines for a one-way flight from California to Koh Samui are EVA Air ($581), Singapore Airlines ($687), and Cathay Pacific ($787).

  • What are the most popular routes from California to Koh Samui?

    When deciding which route to take from California to Koh Samui consider Los Angeles - Ko Samui, San Francisco - Ko Samui or San Diego - Ko Samui as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from California to Koh Samui 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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Alternative routes for California to Koh Samui

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from California to Koh Samui

Discover the top 3 airlines that operate flights from California to Koh Samui. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,007Average$1,173FlexibilityNo cancel feeOn-time74%
Singapore AirlinesCheapest$1,026Average$1,465FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$1,370Average$1,546FlexibilityNo cancel feeOn-time72%
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