Ko Samui

$566+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — USM
Apr 8 — Apr 151
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Find cheap flights from Irvine to Ko Samui with Cheapflights

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Cheapflights Tip: The best prices from Irvine to Ko Samui are usually found in April or March, booked 54 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$956
(Gurufare)

One-way from

$566
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,070
Provider with most accurate pricing for Los Angeles-Ko Samui flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Ko Samui flights.
From Irvine to Ko Samui
One-way flight from Irvine to Ko Samui
Highest demand for flights based on searches. 8% potential increase in price ($119 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 April 3, 2025.

This Justfly.com deal was found by Cheapflights users on 4/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:40 pmLAX - USM
1 stop21h 10mSingapore Airlines
Mon 10/2711:45 amUSM - LAX
1 stop23h 10mSingapore Airlines
Deal found 4/2$879
This Trip.com deal was found by Cheapflights users on 4/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1712:50 pmLAX - USM
2 stops29h 25mMultiple Airlines
Mon 10/277:00 amUSM - LAX
2 stops26h 30mMultiple Airlines
Deal found 4/2$939
This oojo deal was found by Cheapflights users on 4/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2312:05 amLAX - USM
2 stops24h 40mEVA Air
Thu 5/88:00 amUSM - LAX
2 stops22h 40mEVA Air
Deal found 4/2$1,062
This StudentUniverse deal was found by Cheapflights users on 4/2. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2712:25 amLAX - USM
1 stop28h 10mCathay Pacific
Sun 9/710:55 amUSM - LAX
1 stop25h 40mCathay Pacific
Deal found 4/2$1,356
This Booking.com deal was found by Cheapflights users on 4/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2712:55 amLAX - USM
3 stops25h 40mVietnam Airlines
Sun 9/78:00 amUSM - LAX
3 stops27h 35mVietnam Airlines
Deal found 4/2$1,554
This FlightHub deal was found by Cheapflights users on 4/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/14:20 pmLAX - USM
2 stops27h 00mQatar Airways
Mon 5/125:55 pmUSM - LAX
2 stops34h 05mQatar Airways
Deal found 4/1$5,728

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 April 3, 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

Thu 5/1

11:40 pm-6:30 pm

1 stop28h 50m

Ko Samui

Thu 5/8

12:05 pm-9:50 pm

1 stop23h 45m

$1,047

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Tue 4/29

11:40 am-7:35 am

2 stops29h 55m

Ko Samui

Tue 5/6

8:45 am-8:55 pm

2 stops26h 10m

$1,062

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Tue 4/29

11:40 pm-6:30 pm

1 stop28h 50m

Ko Samui

Tue 5/6

1:30 pm-9:50 pm

1 stop22h 20m

$1,134

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Thu 5/15

12:05 am-5:05 pm

3 stops27h 00m

Ko Samui

Sat 5/31

8:00 am-8:45 pm

3 stops26h 45m

$1,520

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Mon 4/21

12:30 am-6:35 pm

1 stop28h 05m

Ko Samui

Sat 5/3

10:55 am-10:05 pm

1 stop25h 10m

$1,548

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Mon 4/21

12:05 am-4:35 pm

2 stops26h 30m

Ko Samui

Sat 5/3

2:35 pm-8:45 pm

2 stops20h 10m

$2,198

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Tue 4/22

4:20 pm-1:10 pm

2 stops30h 50m

Ko Samui

Sat 5/3

3:25 pm-2:00 pm

2 stops60h 35m

$5,684

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Wed 4/30

12:50 pm-8:15 am

2 stops29h 25m

Ko Samui

Sun 5/11

9:30 am-8:45 pm

2 stops25h 15m

$5,818

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Sun 4/6

4:25 pm-11:10 am

2 stops28h 45m

$566

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Mon 4/7

11:10 pm-11:10 am

1 stop22h 00m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 14 results
1
2

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

How far ahead should I book a flight from Irvine to Ko Samui?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Ko Samui. Price data was last updated on March 28, 2025.

Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Irvine to Ko Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 April 3, 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 April 3, 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.

Boarding

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Boarding

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Boarding

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Boarding

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Boarding

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Boarding

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 3 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 Singapore Airlines. According to our data, you can fly for as low as $579. Users have also found prices from $600 and $606 on China Airlines and EVA Air, 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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Alternative routes for Irvine to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Irvine to Ko Samui

Discover the top 3 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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$964Average$1,350FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,071Average$1,176FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$1,472Average$1,486FlexibilityNo cancel feeOn-time72%

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