$495+ Cheap flights from San Francisco (SFO) 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Francisco 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 Francisco to Koh Samui
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 December 18, 2024.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $890 (FlightHub) |
One-way from | $559 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $1,980 |
Find flight deals from San Francisco to Koh Samui
Cheapest flights from San Francisco to Koh SamuiExplore the most affordable flight options available from San Francisco to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.
Explore the most affordable flight options available from San Francisco to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.
This Mytrip deal was found by Cheapflights users on 12/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from San Francisco to Koh Samui within your budget
Customize your flight search to find flights from San Francisco 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 December 18, 2024.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoKoh Samui
SFO - USM
SFOUSM
San Francisco
Tue 1/21
9:40 am-8:00 am
1 stop31h 20m
Ko Samui
Mon 1/27
8:55 am-6:35 pm
1 stop24h 40m
San FranciscoKoh Samui
SFO - USM
SFOUSM
San Francisco
Tue 1/21
12:00 pm-8:10 am
2 stops29h 10m
Ko Samui
Mon 1/27
7:00 pm-6:30 am
2 stops26h 30m
San FranciscoKoh Samui
SFO - USM
SFOUSM
San Francisco
Sat 3/29
12:40 am-3:45 pm
2 stops25h 05m
Ko Samui
Mon 4/7
8:00 am-4:00 pm
2 stops22h 00m
San FranciscoKoh Samui
SFO - USM
SFOUSM
San Francisco
Sun 3/30
6:50 pm-3:45 pm
2 stops30h 55m
Ko Samui
Mon 4/7
7:10 pm-10:30 am
2 stops53h 20m
San FranciscoKoh Samui
SFO - USM
SFOUSM
San Francisco
Mon 1/20
11:40 am-7:40 am
2 stops29h 00m
San FranciscoKoh Samui
SFO - USM
SFOUSM
San Francisco
Mon 1/20
9:40 am-8:00 am
1 stop31h 20m
San FranciscoKoh Samui
SFO - USM
SFOUSM
San Francisco
Thu 1/16
9:10 pm-5:00 pm
2 stops28h 50m
San FranciscoKoh Samui
SFO - USM
SFOUSM
San Francisco
Thu 1/16
12:00 pm-7:40 am
2 stops28h 40m
San FranciscoKoh Samui
SFO - USM
SFOUSM
San Francisco
Thu 1/16
10:55 pm-7:35 pm
1 stop29h 40m
Compare providers for flights from San Francisco to Koh Samui
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Koh Samui in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Koh Samui flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Koh Samui flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Koh Samui flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Koh Samui flights, Cheapflights users trust FlightHub the most. FlightHub 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 Francisco-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 Francisco to Koh Samui
Have a flexible travel schedule? Discover the best time to fly to Koh Samui from San Francisco with our price prediction graph.
Travel insights for flights from San Francisco to Koh Samui
Get recent, data-driven insights about flights from San Francisco to Koh Samui including ideal travel times, pricing trends, and more.
What is the cheapest time of day to fly from SFO to USM?
Find hourly flight availability from San Francisco 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 December 18, 2024.
It’s typically best to fly out from San Francisco to Koh Samui at noon. Doing so could potentially save you 15% on the flight price compared to flying in the afternoon, which is usually more expensive.
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 December 18, 2024.
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Koh 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 San Francisco to Koh Samui
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from San Francisco to Koh Samui
Discover the top 2 airlines that operate flights from San Francisco 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 December 18, 2024.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,026 | Average$1,464 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,052 | Average$1,192 | FlexibilityNo cancel fee | On-time74% |