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Ko Samui

$565+ Cheap flights from Irvine, CA to Ko 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — USM
jun. 21 — jun. 281
sáb. 6/21
sáb. 6/28
1 adult, Economy
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Cheap flight deals from Irvine to Ko Samui

Keep the following information in mind while searching for Irvine to Ko Samui flight deals. Data was last updated junio 16, 2025.

Round-trip from

$795
(Gurufare)

One-way from

$565
(Trip.com)

Popular in

July

Cheapest in

April

Average price

$1,518
From Irvine to Ko Samui
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One-way flight from Irvine to Ko Samui
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Highest demand for flights based on searches. 12% potential increase in price ($174 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Irvine to Ko Samui

Cheapest flights from Irvine to Ko Samui
Explore the most affordable flight options available from Irvine to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 16, 2025.

This Gurufare deal was found by Cheapflights users on 6/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2710:05 pmLAX - USM
1 stop29h 25mSingapore Airlines
mar. 2/1011:45 amUSM - LAX
1 stop23h 10mSingapore Airlines
Deal found 6/14$724
This FlightHub deal was found by Cheapflights users on 6/15. 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.
mar. 9/161:35 pmLAX - USM
2 stops28h 40mMultiple Airlines
mar. 9/237:10 pmUSM - LAX
2 stops31h 25mMultiple Airlines
Deal found 6/15$857
This FlightHub deal was found by Cheapflights users on 6/16. 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.
mié. 10/2212:50 amLAX - USM
2 stops29h 40mEVA Air
lun. 10/278:30 amUSM - LAX
2 stops21h 50mEVA Air
Deal found 6/16$1,099
This Turkish Airlines deal was found by Cheapflights users on 6/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/301:05 pmLAX - USM
2 stops30h 30mTurkish Airlines
vie. 2/137:00 pmUSM - LAX
2 stops36h 50mTurkish Airlines
Deal found 6/14$1,248
This Gurufare deal was found by Cheapflights users on 6/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/1512:25 amLAX - USM
1 stop28h 10mCathay Pacific
mar. 9/2310:55 amUSM - LAX
1 stop25h 10mCathay Pacific
Deal found 6/15$1,401
This Booking.com deal was found by Cheapflights users on 6/15. 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.
sáb. 9/69:10 pmLAX - USM
3 stops34h 25mChina Airlines
jue. 9/112:35 pmUSM - LAX
2 stops21h 00mChina Airlines
Deal found 6/15$1,440
This IEagle deal was found by Cheapflights users on 6/15. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/151:25 amLAX - USM
2 stops27h 05mJapan Airlines
mar. 9/237:10 pmUSM - LAX
2 stops32h 40mJapan Airlines
Deal found 6/15$1,643
This Flightnetwork deal was found by Cheapflights users on 6/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/44:20 pmLAX - USM
2 stops35h 40mQatar Airways
mar. 8/198:20 amUSM - LAX
2 stops43h 40mQatar Airways
Deal found 6/16$1,762

Cheapflights Fare Finder

Customize your flight search to find flights from Irvine to Ko 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 2,558,603 searches. Data last updated junio 16, 2025.
Use the filters below to find and compare flights from Irvine to Ko Samui that are best for you.

Fly from

Irvine

Fly to

Ko Samui

Route

Depart

Return

Price

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

sáb. 9/6

11:40 pm-6:30 pm

1 stop28h 50m

Ko Samui

jue. 9/11

8:45 am-9:50 pm

1 stop27h 05m

$795

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

sáb. 9/6

2:15 pm-8:15 am

2 stops28h 00m

Ko Samui

jue. 9/11

7:15 pm-11:20 am

2 stops30h 05m

$1,036

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

dom. 8/3

1:25 am-5:05 pm

2 stops25h 40m

Ko Samui

mar. 8/19

5:35 pm-7:50 am

2 stops28h 15m

$1,352

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

sáb. 9/6

9:10 pm-9:35 pm

3 stops34h 25m

Ko Samui

jue. 9/11

2:35 pm-9:35 pm

2 stops21h 00m

$1,440

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

vie. 9/5

1:25 am-6:35 pm

1 stop27h 10m

Ko Samui

jue. 9/11

10:55 am-5:05 pm

1 stop20h 10m

$1,449

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

lun. 8/4

4:20 pm-6:00 pm

2 stops35h 40m

Ko Samui

mar. 8/19

8:20 am-2:00 pm

2 stops43h 40m

$1,762

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

mar. 7/29

12:30 pm-7:50 am

2 stops29h 20m

$565

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

mar. 6/24

12:50 am-8:30 pm

2 stops29h 40m

$937

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

lun. 7/28

12:25 am-6:35 pm

1 stop28h 10m

$1,009

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

mar. 7/29

11:40 pm-11:10 am

1 stop21h 30m

$1,158

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Best time to book a flight from Irvine to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Irvine 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 Irvine to Ko Samui

What is the cheapest time of day to fly from IR9 to USM?

Find hourly flight availability from Irvine to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 16, 2025.

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

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

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

Travelers seeking maximum savings on their Irvine to Ko Samui flight should consider departing on Thursday at noon when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Ko Samui by month

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

In terms of precipitation, rainfall in Ko 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 Ko Samui when rainfall is around 2.3 in.

Temperature in Ko Samui by month

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

If weather is an important factor for your trip to Ko 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 Ko Samui

Get insights into the airlines that provide service to Ko 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 Ko Samui. Reviews last updated junio 16, 2025.
Read through reviews of airlines operating flights from Irvine to Ko Samui, such as EVA Air, China Airlines and Singapore Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,204 reviews

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very good
1,204 reviews
EVA Air
8.4
Very good
1,204 reviews

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
China Airlines
8.3
Very good
742 reviews
EVA Air
8.4
Very good
1,204 reviews

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Singapore Airlines
8.1
Very good
1,308 reviews
EVA Air
8.4
Very good
1,204 reviews

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Cathay Pacific
7.5
Good
893 reviews
EVA Air
8.4
Very good
1,204 reviews

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Qatar Airways
7.4
Good
3,591 reviews
EVA Air
8.4
Very good
1,204 reviews

Food

8.1

Crew

8.6

Overall

8.4

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

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

    Ko Samui (USM) is the airport you will fly into if you book a flight from Irvine to Ko Samui. You should not have trouble finding flights to Ko Samui from Irvine; the airport handles an average of 0 inbound flights from Irvine per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the Ko Samui airport from Irvine. It is only a 2.1 mi journey from Ko Samui (USM) to Ko Samui’s city center.

  • What are the cheapest airlines to fly from Irvine to Ko Samui one-way?

    For one-way options, check prices for EVA Air. According to our data, you can fly for as low as $937. Users have also found prices from $1,009 and $1,158 on Cathay Pacific and Singapore Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Irvine to Ko 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

Traveling to a place near Irvine?

Book flights to Irvine if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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Top 2 airlines flying from Irvine to Ko Samui

Discover the top 2 airlines that operate flights from Irvine to Ko 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 2,558,603 searches. Data last updated junio 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$775Average$1,247FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,071Average$1,181FlexibilityNo cancel feeOn-time74%

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