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.

What are the most popular airlines that fly from Irvine to Ko Samui?

Consider EVA Air, Cathay Pacific or Singapore Airlines when booking your flight. These represent the most popular airlines when flying from Irvine to Ko Samui.

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

Users have found that booking a flight from Irvine to Ko Samui at least 54 days early can save you up to 31% on average compared to booking a flight this week. If booking 54 days before your flight isn’t an option for you, users have found flights from Irvine to Ko Samui for as little as $1,069 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,486 for flights departing within the next 3 days.

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

April is one of the best times of the year to fly to Ko Samui from Irvine. Prices for April average $1,332 per person but you can even find prices for as low as $1,011. The most expensive prices can be found in the month of December. Opting for a April flight can save you 23% on your journey compared to booking in December

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.

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.

$566+ Flights from Irvine to Ko Samui

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1. Tell us where you want to go

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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

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.

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Provider most trusted by Cheapflights users for Los Angeles-Ko Samui flights.

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From Irvine to Ko Samui

Search Deals

One-way flight from Irvine to Ko Samui

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($119 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 3, 2025.

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

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

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

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

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

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

Best flights from Irvine to Ko Samui
Discover carefully curated flight deals from Irvine to Ko Samui that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2025.

Thu 4/2411:10 pmLAX - USM

1 stop29h 20mSingapore Airlines

Thu 5/812:05 pmUSM - LAX

1 stop23h 45mSingapore Airlines

Deal found 4/2

$956

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

Thu 4/1011:40 amLAX - USM

2 stops29h 55mMultiple Airlines

Tue 4/159:00 pmUSM - LAX

2 stops24h 10mMultiple Airlines

Deal found 4/2

$1,249

Wed 4/2312:30 amLAX - USM

1 stop28h 05mCathay Pacific

Thu 5/810:55 amUSM - LAX

1 stop25h 10mCathay Pacific

Deal found 4/2

$1,403

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

Last-minute flights from Irvine to Ko Samui
Discover last-minute flight deals from Irvine to Ko Samui. Data last updated April 3, 2025 and is based on user searches.

Thu 4/312:25 pmLAX - USM

2 stops28h 50mMultiple Airlines

Wed 4/1611:45 amUSM - LAX

2 stops37h 00mMultiple Airlines

Deal found 4/2

$1,189

Thu 4/1011:40 amLAX - USM

2 stops29h 55mMultiple Airlines

Tue 4/159:00 pmUSM - LAX

2 stops24h 10mMultiple Airlines

Deal found 4/2

$1,249

Thu 4/102:05 pmLAX - USM

1 stop27h 45mSingapore Airlines

Tue 4/158:45 amUSM - LAX

1 stop26h 35mSingapore Airlines

Deal found 4/2

$1,401

Fri 4/1112:30 amLAX - USM

1 stop28h 05mCathay Pacific

Fri 4/1810:55 amUSM - LAX

1 stop25h 10mCathay Pacific

Deal found 4/1

$2,958

Sat 4/1211:40 amLAX - USM

2 stops30h 35mEVA Air

Fri 4/186:55 pmUSM - LAX

2 stops26h 15mEVA Air

Deal found 4/1

$1,372

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

Wed 4/2312:30 amLAX - USM

1 stop28h 05mCathay Pacific

Thu 5/810:55 amUSM - LAX

1 stop25h 10mCathay Pacific

Deal found 4/2

$1,403

Thu 4/2411:10 pmLAX - USM

1 stop29h 20mSingapore Airlines

Thu 5/812:05 pmUSM - LAX

1 stop23h 45mSingapore Airlines

Deal found 4/2

$956

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

One-way flights from Irvine to Ko Samui
Search for one-way flight options from Irvine to Ko Samui. Find affordable one-way fares based on user searches. Data last updated April 3, 2025.

Sun 4/64:25 pmLAX - USM

2 stops28h 45mMultiple Airlines

Deal found 4/2

$566

Thu 4/2411:10 pmLAX - USM

1 stop29h 20mSingapore Airlines

Deal found 4/2

$579

Wed 5/74:25 pmLAX - USM

2 stops25h 50mChina Airlines

Deal found 4/2

$600

Wed 4/2312:30 amLAX - USM

2 stops24h 15mEVA Air

Deal found 4/2

$606

Mon 4/712:30 amLAX - USM

1 stop28h 05mCathay Pacific

Deal found 4/2

$749

Tue 5/612:05 amLAX - USM

3 stops26h 30mVietnam Airlines

Deal found 4/2

$881

Cheapflights Fare Finder

Use the filters below to find and compare flights from Irvine to Ko Samui that are best for you.

Fly from

Fly to

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

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?

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?

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?

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

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

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

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

1,170 reviews

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.

EVA Air

8.4

Very good

1,170 reviews

EVA Air

8.4

Very good

1,170 reviews

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.

China Airlines

8.2

Very good

724 reviews

EVA Air

8.4

Very good

1,170 reviews

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.

Singapore Airlines

8.1

Very good

1,288 reviews

EVA Air

8.4

Very good

1,170 reviews

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.

Vietnam Airlines

7.6

Good

192 reviews

EVA Air

8.4

Very good

1,170 reviews

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.

Cathay Pacific

7.5

Good

841 reviews

EVA Air

8.4

Very good

1,170 reviews

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

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

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Top 3 airlines flying from Irvine to Ko Samui

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$964	Average$1,350	FlexibilityNo cancel fee	On-time81%
EVA Air	Cheapest$1,071	Average$1,176	FlexibilityNo cancel fee	On-time74%
Cathay Pacific	Cheapest$1,472	Average$1,486	FlexibilityNo cancel fee	On-time72%

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$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.

Find cheap flights from Irvine to Ko Samui with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Irvine to Ko Samui

Cheapest flights from Irvine to Ko SamuiExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Irvine to Ko Samui that are best for you.

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.

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.

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.

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.

Rainfall in Ko Samui by month

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

Temperature in Ko Samui by month

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

Reviews of airlines servicing Ko Samui

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.

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?

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

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

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

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

Traveling to a place near Irvine?

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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

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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.