$1,484+ Cheap flights from San Diego (SAN) to Koh Samui (USM)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Diego 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.Cheap flight deals from San Diego to Koh Samui
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 22, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,659 (Gotogate) |
Find flight deals from San Diego to Koh Samui
Cheapest flights from San Diego to Koh SamuiExplore the most affordable flight options available from San Diego to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2025.
Explore the most affordable flight options available from San Diego to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2025.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate 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 Gotogate 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 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 Gurufare 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 1/22. 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.
Find flights from San Diego to Koh Samui within your budget
Customize your flight search to find flights from San Diego 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 22, 2025.
Fly from
Fly to
Route
Depart
Return
Price
San DiegoKoh Samui
SAN - USM
SANUSM
San Diego
Tue 2/11
6:30 am-7:40 am
3 stops34h 10m
Ko Samui
Wed 2/19
9:05 pm-5:01 pm
3 stops34h 56m
San DiegoKoh Samui
SAN - USM
SANUSM
San Diego
Fri 2/7
5:00 pm-7:35 pm
2 stops35h 35m
Ko Samui
Sat 2/15
11:40 am-9:13 pm
2 stops24h 33m
San DiegoKoh Samui
SAN - USM
SANUSM
San Diego
Fri 2/7
9:55 pm-6:15 pm
2 stops53h 20m
Ko Samui
Sat 2/15
1:25 pm-8:27 pm
3 stops46h 02m
San DiegoKoh Samui
SAN - USM
SANUSM
San Diego
Fri 2/7
10:55 am-8:40 am
3 stops30h 45m
Ko Samui
Sat 2/15
8:30 pm-5:39 pm
3 stops36h 09m
- Most accurate provider: When it comes to deals on San Diego-Koh Samui flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Koh Samui flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Koh Samui flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Koh Samui flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Koh Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Diego to Koh Samui
Have a flexible travel schedule? Discover the best time to fly to Koh Samui from San Diego with our price prediction graph.
Travel insights for flights from San Diego to Koh Samui
Get recent, data-driven insights about flights from San Diego to Koh Samui including ideal travel times, pricing trends, and more.
What is the cheapest time of day to fly from SAN to USM?
Find hourly flight availability from San Diego 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 22, 2025.
When flying from San Diego to Koh Samui, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 57% versus a flight at noon.
What is the cheapest day to fly from San Diego to Koh Samui?
Use this chart to determine the cheapest time to fly round-trip from San Diego to Koh Samui. Price data was last updated on January 21, 2025.
Travelers seeking maximum savings on their San Diego to Koh Samui flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 22, 2025.
Overall
Food
Entertainment
Boarding
Crew
Comfort
Reviews
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Overall
Food
Entertainment
Boarding
Crew
Comfort
Reviews
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Overall
Food
Entertainment
Boarding
Crew
Comfort
Reviews
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Overall
Food
Entertainment
Boarding
Crew
Comfort
Reviews
Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.