$690+ Cheap flights from San Jose (SJC) 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — USM
Feb 25 — Mar 41
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Jose to Koh 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.Find flight deals from San Jose to Koh Samui
Cheapest flights from San Jose to Koh SamuiExplore the most affordable flight options available from San Jose to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
Explore the most affordable flight options available from San Jose to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
This Qatar Airways deal was found by Cheapflights users on 2/19. 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.
Thu 2/208:12 amSJC - USM
3 stops33h 28mQatar Airways
Tue 7/157:10 pmUSM - SJC
3 stops37h 54mQatar Airways
Deal found 2/19![Qatar Airways logo]()
$1,932
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/202:00 pmSJC - USM
2 stops37h 15mMultiple Airlines
Tue 7/151:30 pmUSM - SJC
2 stops33h 49mMultiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$2,280
Find flights from San Jose to Koh Samui within your budget
Customize your flight search to find flights from San Jose 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 February 20, 2025.
Fly from
San Jose
Fly to
Koh Samui
Route
Depart
Return
Price
San JoseKoh Samui
SJC - USM
SJCUSM
San Jose
Tue 4/8
3:03 pm-7:50 am
3 stops50h 47m
$690
San JoseKoh Samui
SJC - USM
SJCUSM
San Jose
Thu 4/3
2:00 pm-6:15 pm
2 stops38h 15m
$1,196
Best time to book a flight from San Jose to Koh Samui
Have a flexible travel schedule? Discover the best time to fly to Koh Samui from San Jose 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 San Jose to Koh Samui
Get recent, data-driven insights about flights from San Jose to Koh Samui including ideal travel times, pricing trends, and more.
What is the cheapest time of day to fly from SJC to USM?
Find hourly flight availability from San Jose 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 February 20, 2025.
It’s optimal to fly from San Jose to Koh Samui in the morning. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight in the afternoon.
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 February 20, 2025.
Crew
8.6
Comfort
7.9
Entertainment
8.0
Overall
8.1
Boarding
8.2
Food
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Dec 2024
NRT - LAX
Crew
8.6
Comfort
7.9
Entertainment
8.0
Overall
8.1
Boarding
8.2
Food
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Dec 2024
NRT - LAX
Related info for your journey
Find useful and relevant information for your journey from San Jose to Koh Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Jose?
Book flights to San Jose if you plan to visit one of these locationsKo Pha Ngan
Ko Tao