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Koh Samui

$513+ Cheap flights from Irvine, CA 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — USM
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Irvine to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from Irvine (IR9) 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 January 21, 2025.

Round-trip from

$935
(FlightHub)

One-way from

$513
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,419
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. 14% potential increase in price ($243 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Irvine to Koh Samui

Cheapest flights from Irvine to Koh Samui
Explore the most affordable flight options available from Irvine to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Japan Airlines deal was found by Cheapflights users on 1/20. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/12:55 pmLAX - USM
2 stops27h 20mMultiple Airlines
Tue 9/309:10 pmUSM - LAX
2 stops28h 55mMultiple Airlines
Deal found 1/20$920
This FlightHub deal was found by Cheapflights users on 1/21. 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 3/1211:05 pmLAX - USM
1 stop29h 25mSingapore Airlines
Wed 3/268:55 amUSM - LAX
1 stop24h 05mSingapore Airlines
Deal found 1/21$935
This Justfly.com deal was found by Cheapflights users on 1/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3112:50 amLAX - USM
2 stops22h 55mEVA Air
Tue 9/309:15 amUSM - LAX
2 stops21h 25mEVA Air
Deal found 1/20$1,063
This oojo deal was found by Cheapflights users on 1/21. 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.
Tue 3/1112:20 amLAX - USM
1 stop29h 15mCathay Pacific
Wed 3/2611:40 amUSM - LAX
1 stop24h 15mCathay Pacific
Deal found 1/21$1,511
This business-class.com deal was found by Cheapflights users on 1/20. 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.
Wed 2/1912:07 amLAX - USM
2 stops28h 43mJapan Airlines
Mon 3/38:20 pmUSM - LAX
2 stops28h 30mJapan Airlines
Deal found 1/20$13,001

Find flights from Irvine to Koh Samui within your budget

Customize your flight search to find flights from Irvine 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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Wed 3/12

11:05 pm-6:30 pm

1 stop29h 25m

Ko Samui

Wed 3/26

8:55 am-8:55 pm

1 stop26h 00m

$926

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Tue 3/11

12:05 am-3:40 pm

2 stops25h 35m

Ko Samui

Wed 3/26

8:30 am-4:20 pm

2 stops21h 50m

$1,098

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Sat 5/17

12:10 pm-7:20 am

2 stops29h 10m

Ko Samui

Sun 6/15

9:30 pm-9:50 am

2 stops26h 20m

$1,182

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Fri 2/21

11:20 pm-7:35 pm

1 stop29h 15m

Ko Samui

Fri 3/21

11:40 am-9:55 pm

1 stop24h 15m

$1,496

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Wed 5/21

4:20 pm-10:30 am

2 stops28h 10m

Ko Samui

Tue 6/17

5:55 pm-2:05 pm

2 stops34h 10m

$1,690

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Sat 2/15

10:01 am-2:55 pm

3 stops37h 54m

Ko Samui

Sat 2/22

3:35 pm-10:41 am

3 stops34h 06m

$5,535

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Wed 2/19

12:07 am-7:50 pm

2 stops28h 43m

Ko Samui

Mon 3/3

8:20 pm-9:50 am

2 stops28h 30m

$13,001

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Wed 2/19

9:35 am-11:55 am

3 stops59h 20m

$513

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Wed 2/19

10:05 pm-6:30 pm

1 stop29h 25m

$546

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Wed 2/12

2:50 pm-7:45 am

2 stops25h 55m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 14 results
1
2

Best time to book a flight from Irvine to Koh Samui

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

Travel insights for flights from Irvine to Koh Samui

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

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

Find hourly flight availability from Irvine 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 January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine 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 January 21, 2025.
EVA Air
8.4
Very good
1,253 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Boarding

8.4

Reviews

1 / 10

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

EVA Air
8.4
Very good
1,253 reviews
EVA Air
8.4
Very good
1,253 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Boarding

8.4

Reviews

1 / 10

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

Japan Airlines
8.3
Very good
1,449 reviews
EVA Air
8.4
Very good
1,253 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Boarding

8.4

Reviews

1 / 10

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

China Airlines
8.2
Very good
737 reviews
EVA Air
8.4
Very good
1,253 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Boarding

8.4

Reviews

1 / 10

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

Singapore Airlines
8.1
Very good
1,328 reviews
EVA Air
8.4
Very good
1,253 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Boarding

8.4

Reviews

1 / 10

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

Cathay Pacific
7.5
Good
830 reviews
EVA Air
8.4
Very good
1,253 reviews

Comfort

8.3

Food

8.1

Overall

8.4

Entertainment

8.0

Crew

8.6

Boarding

8.4

Reviews

1 / 10

Excellent crew, smooth flight, good food and service. We have flown with other carriers but this one is the best so far.

Related info for your journey

Find useful and relevant information for your journey from Irvine 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 Irvine?

    Ko Samui (USM) is the airport you will fly into if you book a flight from Irvine to Koh 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 Koh Samui airport from Irvine. It is only a 2.1 mi journey from Ko Samui (USM) to Koh Samui’s city center.

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

    To fly one-way, consider booking your trip with Singapore Airlines, which is currently one of the cheapest options available, starting at $546. China Airlines flights start at $601 while deals on EVA Air start at $607 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Irvine 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

Traveling to a place near Irvine?

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

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Alternative routes for Irvine to Koh Samui

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Top 3 airlines flying from Irvine to Koh Samui

Discover the top 3 airlines that operate flights from Irvine 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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,036Average$1,466FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,060Average$1,165FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$1,370Average$1,546FlexibilityNo cancel feeOn-time72%
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