$450+ Cheap flights from San Francisco (SFO) to Ko 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — USM
Nov 28 — Dec 51
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco 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 San Francisco to Ko Samui
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to Ko SamuiExplore the most affordable flight options available from San Francisco to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2026.
Explore the most affordable flight options available from San Francisco to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2026.
This lastminute.com deal was found by Cheapflights users on 10/27. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:40 am -
1 stop40h 30m
Wed 11/46:05 pm -
1 stop28h 45m
Deal found 10/27![Singapore Airlines logo]()
$1,067
This oojo deal was found by Cheapflights users on 10/26. 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 10/2712:20 pm -
2 stops28h 50m
Tue 11/32:05 pm -
2 stops31h 35m
Deal found 10/26![EVA Air logo]()
$1,209
This lastminute.com deal was found by Cheapflights users on 10/27. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:40 am -
2 stops24h 40m
Wed 11/412:15 pm -
2 stops21h 25m
Deal found 10/27![EVA Air logo]()
$1,214
This lastminute.com deal was found by Cheapflights users on 10/27. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:40 am -
1 stop40h 30m
Wed 11/47:00 pm -
2 stops33h 30m
Deal found 10/27![Multiple Airlines logo]()
$1,242
This EVA Air deal was found by Cheapflights users on 10/26. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:30 pm -
2 stops25h 10m
Thu 11/127:55 am -
2 stops22h 05m
Deal found 10/26![EVA Air logo]()
$1,259
This EVA Air deal was found by Cheapflights users on 10/27. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:50 pm -
2 stops24h 50m
Thu 11/1912:15 pm -
2 stops21h 25m
Deal found 10/27![EVA Air logo]()
$1,289
This SmartFares deal was found by Cheapflights users on 10/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:25 am -
1 stop41h 10m
Mon 11/304:30 pm -
2 stops19h 25m
Deal found 10/25![Multiple Airlines logo]()
$1,376
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:55 pm -
1 stop29h 40m
Wed 11/2511:40 am -
1 stop24h 15m
Deal found 10/25![Cathay Pacific logo]()
$1,405
Best flights from San Francisco to Ko SamuiDiscover carefully curated flight deals from San Francisco to Ko Samui that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2026.
Discover carefully curated flight deals from San Francisco to Ko Samui that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2026.
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2710:55 pm -
2 stops25h 00m
Mon 2/2211:35 am -
2 stops24h 40m
Deal found 10/29![Multiple Airlines logo]()
$850
This oojo deal was found by Cheapflights users on 10/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/279:40 am -
1 stop42h 15m
Mon 2/228:55 am -
1 stop37h 55m
Deal found 10/29![Singapore Airlines logo]()
$850
This EVA Air deal was found by Cheapflights users on 10/25. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:30 pm -
2 stops25h 10m
Thu 11/127:55 am -
2 stops22h 05m
Deal found 10/25![EVA Air logo]()
$1,259
This Qatar Airways deal was found by Cheapflights users on 10/28. 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.
Wed 1/279:25 am -
3 stops34h 10m
Mon 2/227:00 pm -
2 stops32h 40m
Deal found 10/28![Qatar Airways logo]()
$1,609
This FlightHub deal was found by Cheapflights users on 10/28. 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.
Sat 11/2111:50 pm -
2 stops28h 45m
Wed 11/257:55 am -
2 stops25h 45m
Deal found 10/28![Multiple Airlines logo]()
$1,703
This Qatar Airways deal was found by Cheapflights users on 10/25. 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.
Sun 1/310:40 am -
3 stops33h 50m
Sat 1/238:30 pm -
2 stops55h 10m
Deal found 10/25![Qatar Airways logo]()
$1,877
This Singapore Airlines deal was found by Cheapflights users on 10/28. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:40 am -
1 stop34h 15m
Thu 11/196:05 pm -
1 stop28h 45m
Deal found 10/28![Singapore Airlines logo]()
$1,896
This Singapore Airlines deal was found by Cheapflights users on 10/26. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:40 am -
1 stop34h 15m
Thu 11/126:05 pm -
1 stop28h 45m
Deal found 10/26![Singapore Airlines logo]()
$1,897
This Trip.com deal was found by Cheapflights users on 10/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:40 am -
1 stop31h 20m
Sun 1/37:00 pm -
2 stops51h 50m
Deal found 10/24![Multiple Airlines logo]()
$2,545
Last-minute flights from San Francisco to Ko SamuiDiscover last-minute flight deals from San Francisco to Ko Samui. Data last updated October 29, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Ko Samui. Data last updated October 29, 2026 and is based on user searches.
This lastminute.com deal was found by Cheapflights users on 10/27. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:40 am -
2 stops24h 40m
Wed 11/412:15 pm -
2 stops21h 25m
Deal found 10/27![EVA Air logo]()
$1,214
This lastminute.com deal was found by Cheapflights users on 10/27. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:40 am -
1 stop40h 30m
Wed 11/46:05 pm -
1 stop28h 45m
Deal found 10/27![Singapore Airlines logo]()
$1,067
This lastminute.com deal was found by Cheapflights users on 10/27. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:40 am -
1 stop40h 30m
Wed 11/47:00 pm -
2 stops33h 30m
Deal found 10/27![Multiple Airlines logo]()
$1,242
This Qatar Airways deal was found by Cheapflights users on 10/27. 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.
Wed 10/2811:00 am -
3 stops33h 40m
Wed 11/45:40 pm -
2 stops34h 50m
Deal found 10/27![Qatar Airways logo]()
$1,549
This EVA Air deal was found by Cheapflights users on 10/26. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:30 pm -
2 stops25h 10m
Thu 11/127:55 am -
2 stops22h 05m
Deal found 10/26![EVA Air logo]()
$1,259
This EVA Air deal was found by Cheapflights users on 10/27. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:50 pm -
2 stops24h 50m
Thu 11/1912:15 pm -
2 stops21h 25m
Deal found 10/27![EVA Air logo]()
$1,289
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:55 pm -
1 stop29h 40m
Wed 11/2511:40 am -
1 stop24h 15m
Deal found 10/25![Cathay Pacific logo]()
$1,405
This SmartFares deal was found by Cheapflights users on 10/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:25 am -
1 stop41h 10m
Mon 11/304:30 pm -
2 stops19h 25m
Deal found 10/25![Multiple Airlines logo]()
$1,376
One-way flights from San Francisco to Ko SamuiSearch for one-way flight options from San Francisco to Ko Samui. Find affordable one-way fares based on user searches. Data last updated October 29, 2026.
Search for one-way flight options from San Francisco to Ko Samui. Find affordable one-way fares based on user searches. Data last updated October 29, 2026.
This oojo deal was found by Cheapflights users on 10/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/219:40 am -
1 stop40h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Singapore Airlines logo]()
$450
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2112:55 pm -
2 stops28h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:31 pm -
3 stops43h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2910:21 pm -
3 stops45h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2810:21 pm -
3 stops45h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$744
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2410:21 pm -
3 stops55h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$811
This IEagle deal was found by Cheapflights users on 10/27. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2912:00 pm -
2 stops28h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![EVA Air logo]()
$817
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/137:20 am -
3 stops58h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$818
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/239:59 pm -
3 stops45h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$843
Find flight deals from San Francisco to Ko Samui
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Ko 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 October 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $807 (oojo) |
One-way from | $450 (oojo) |
Popular in | October |
Cheapest in | November |
Average price | $4,592 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco 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 7,457,451 searches. Data last updated October 29, 2026.
Use the filters below to find and compare flights from San Francisco to Ko Samui that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Thu 1/21
9:40 am-5:10 pm
1 stop40h 30m
Ko Samui
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$450
Quickest round-trip
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Thu 1/21
12:55 pm-8:05 am
2 stops28h 10m
Ko Samui
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$489
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Sun 12/6
9:31 pm-7:35 am
3 stops43h 04m
Ko Samui
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$614
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Sun 12/13
7:20 am-8:40 am
3 stops58h 20m
Ko Samui
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$818
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Wed 1/27
10:55 pm-2:55 pm
2 stops25h 00m
Ko Samui
Mon 2/22
11:35 am-9:15 pm
2 stops24h 40m
$850
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Wed 1/27
9:40 am-6:55 pm
1 stop42h 15m
Ko Samui
Mon 2/22
8:55 am-7:50 am
1 stop37h 55m
$850
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Thu 11/19
11:50 pm-8:25 pm
2 stops29h 35m
Ko Samui
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$1,042
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Mon 11/9
11:30 pm-3:40 pm
2 stops25h 10m
Ko Samui
Thu 11/12
7:55 am-3:00 pm
2 stops22h 05m
$1,259
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Wed 1/27
9:25 am-10:35 am
3 stops34h 10m
Ko Samui
Mon 2/22
7:00 pm-12:40 pm
2 stops32h 40m
$1,609
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Sat 11/21
11:50 pm-7:35 pm
2 stops28h 45m
Ko Samui
Wed 11/25
7:55 am-6:40 pm
2 stops25h 45m
$1,703
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Ko 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 Ko Samui in October.
| 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*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Ko 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-Ko Samui flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Ko Samui flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Ko 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-Ko 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 Ko Samui
Have a flexible travel schedule? Discover the best time to fly to Ko Samui from San Francisco with our price prediction graph.
SFO-USM
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.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Ko Samui
How often are flights from San Francisco to Ko Samui delayed?
About 21% of weekly flights between San Francisco and Ko Samui have experienced delays in the past year, with the average delay time being 150 minutes.
What is the most punctual flight time for San Francisco to Ko Samui flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Francisco to Ko Samui flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 16% of flights being delayed.
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 October 29, 2026.
Get a feel of what it's like to fly with EVA Air and Singapore Airlines from San Francisco to Ko Samui by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.5
Entertainment
8.0
Crew
8.7
Boarding
8.4
Food
8.1
Comfort
8.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2026
TPE - CNX
Overall
8.5
Entertainment
8.0
Crew
8.7
Boarding
8.4
Food
8.1
Comfort
8.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2026
TPE - CNX
Overall
8.5
Entertainment
8.0
Crew
8.7
Boarding
8.4
Food
8.1
Comfort
8.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2026
TPE - CNX
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Ko 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 Ko Samui?
Book flights to Ko Samui if you plan to visit one of these locationsKo Pha Ngan
Ko Tao
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
Complete your trip to Ko Samui by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from San Francisco to Ko Samui, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ko Samui
Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 29, 2026.
San Francisco and Ko Samui flights
Browse other San Francisco and Ko Samui flight options. Last updated on October 29, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on October 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from San Francisco to Ko Samui
Discover the top 2 airlines that operate flights from San Francisco 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 7,457,451 searches. Data last updated October 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$819 | Average$1,172 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$940 | Average$1,645 | FlexibilityNo cancel fee | On-time74% |