$441+ 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 5/4. 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
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 May 1, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $1,306 (Ovago) |
One-way from | $441 (FlightHub) |
Popular in | December |
Cheapest in | April |
Average price | $1,324 |
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 May 1, 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 May 1, 2025.
This Gurufare deal was found by Cheapflights users on 4/30. 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.
This FlightHub deal was found by Cheapflights users on 4/30. 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.
This Justfly.com deal was found by Cheapflights users on 4/29. 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.
This Gurufare deal was found by Cheapflights users on 4/30. 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.
This oojo deal was found by Cheapflights users on 4/30. 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.
This Qatar Airways deal was found by Cheapflights users on 4/30. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 May 1, 2025.
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
Fri 7/11
11:40 pm-7:50 am
1 stop42h 10m
Ko Samui
Thu 7/17
5:55 pm-7:05 pm
2 stops39h 10m
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
Fri 7/11
12:35 pm-8:35 am
2 stops30h 00m
Ko Samui
Thu 7/17
2:00 pm-9:25 pm
2 stops21h 25m
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
Sat 6/7
1:40 pm-6:15 pm
2 stops38h 35m
Ko Samui
Tue 6/17
7:10 pm-11:45 am
2 stops30h 35m
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
Sat 6/7
2:20 pm-6:30 pm
2 stops38h 10m
Ko Samui
Tue 6/17
12:15 pm-9:50 pm
1 stop23h 35m
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
Thu 7/10
12:25 am-6:35 pm
1 stop28h 10m
Ko Samui
Thu 7/17
10:55 am-11:20 am
1 stop38h 25m
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
Sat 6/14
7:35 pm-9:10 pm
2 stops59h 35m
Ko Samui
Sat 6/21
10:05 am-4:30 pm
2 stops44h 25m
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
Wed 5/28
12:50 am-9:20 am
2 stops42h 30m
Ko Samui
Mon 6/9
7:30 pm-10:55 am
2 stops53h 25m
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
Sun 5/4
8:40 pm-7:50 am
1 stop21h 10m
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
Sun 5/4
12:25 pm-7:50 am
3 stops53h 25m
Los AngelesKo Samui
LAX - USM
LAXUSM
Los Angeles
Tue 5/6
12:15 am-1:45 pm
2 stops23h 30m
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
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 May 1, 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 May 1, 2025.
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Dale,Apr 2025
SFO - TPE
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Dale,Apr 2025
SFO - TPE
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Dale,Apr 2025
SFO - TPE
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Dale,Apr 2025
SFO - TPE
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Dale,Apr 2025
SFO - TPE
Comfort
Crew
Boarding
Entertainment
Overall
Food
Reviews
Dale,Apr 2025
SFO - TPE
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.
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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 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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$964 | Average$1,274 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,071 | Average$1,180 | FlexibilityNo cancel fee | On-time74% |