$534+ Cheap flights from San Francisco (SFO) 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — USM
Jul 14 — Jul 211
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
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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 June 14, 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 June 14, 2026.
This oojo deal was found by Cheapflights users on 6/9. 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.
Mon 9/711:45 am
SFO
- USM
1 stop30h 00m
Singapore Airlines
Mon 9/148:40 am
USM
- SFO
1 stop39h 10m
Singapore Airlines
Deal found 6/9![Singapore Airlines logo]()
$833
This oojo deal was found by Cheapflights users on 6/13. 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 9/111:45 am
SFO
- USM
1 stop30h 00m
Singapore Airlines
Tue 9/1511:05 am
USM
- SFO
1 stop36h 45m
Singapore Airlines
Deal found 6/13![Singapore Airlines logo]()
$837
This oojo deal was found by Cheapflights users on 6/9. 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 9/3011:45 am
SFO
- USM
1 stop39h 35m
Singapore Airlines
Fri 10/911:05 am
USM
- SFO
1 stop36h 45m
Singapore Airlines
Deal found 6/9![Singapore Airlines logo]()
$861
This oojo deal was found by Cheapflights users on 6/10. 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 10/111:45 am
SFO
- USM
1 stop39h 35m
Singapore Airlines
Thu 10/811:05 am
USM
- SFO
1 stop36h 45m
Singapore Airlines
Deal found 6/10![Singapore Airlines logo]()
$884
This oojo deal was found by Cheapflights users on 6/13. 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 11/269:40 am
SFO
- USM
1 stop31h 20m
Singapore Airlines
Mon 11/307:45 pm
USM
- SFO
1 stop27h 05m
Singapore Airlines
Deal found 6/13![Singapore Airlines logo]()
$893
This oojo deal was found by Cheapflights users on 6/9. 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.
Sun 11/229:40 am
SFO
- USM
1 stop31h 20m
Singapore Airlines
Mon 11/3012:00 pm
USM
- SFO
1 stop34h 50m
Singapore Airlines
Deal found 6/9![Singapore Airlines logo]()
$918
This oojo deal was found by Cheapflights users on 6/11. 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.
Fri 10/211:45 am
SFO
- USM
1 stop39h 35m
Singapore Airlines
Fri 10/1611:05 am
USM
- SFO
1 stop36h 45m
Singapore Airlines
Deal found 6/11![Singapore Airlines logo]()
$929
This Trip.com deal was found by Cheapflights users on 6/9. 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.
Tue 10/611:45 am
SFO
- USM
1 stop41h 05m
Singapore Airlines
Wed 11/412:00 pm
USM
- SFO
1 stop34h 50m
Singapore Airlines
Deal found 6/9![Singapore Airlines logo]()
$941
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 June 14, 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 June 14, 2026.
This oojo deal was found by Cheapflights users on 6/8. 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.
Mon 9/711:45 am
SFO
- USM
1 stop30h 00m
Singapore Airlines
Mon 9/1411:05 am
USM
- SFO
1 stop36h 45m
Singapore Airlines
Deal found 6/8![Singapore Airlines logo]()
$836
This EVA Air deal was found by Cheapflights users on 6/13. 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 8/311:25 am
SFO
- USM
2 stops23h 45m
EVA Air
Sat 9/129:15 am
USM
- SFO
2 stops20h 55m
EVA Air
Deal found 6/13![EVA Air logo]()
$1,280
This oojo deal was found by Cheapflights users on 6/8. 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.
Mon 9/72:00 pm
SFO
- USM
2 stops32h 45m
Multiple Airlines
Mon 9/1411:55 am
USM
- SFO
1 stop37h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,569
This Malaysia Airlines deal was found by Cheapflights users on 6/10. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/231:20 am
SFO
- USM
3 stops29h 05m
Malaysia Airlines
Wed 9/98:00 am
USM
- SFO
3 stops29h 15m
Malaysia Airlines
Deal found 6/10![Malaysia Airlines logo]()
$2,040
This Qatar Airways deal was found by Cheapflights users on 6/11. 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.
Fri 7/3112:27 pm
SFO
- USM
3 stops33h 13m
Qatar Airways
Tue 8/118:50 pm
USM
- SFO
2 stops54h 45m
Qatar Airways
Deal found 6/11![Qatar Airways logo]()
$2,506
This EVA Air deal was found by Cheapflights users on 6/13. 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.
Thu 9/31:00 am
SFO
- USM
2 stops22h 45m
EVA Air
Tue 9/151:50 pm
USM
- SFO
2 stops20h 20m
EVA Air
Deal found 6/13![EVA Air logo]()
$1,280
This Justfly.com deal was found by Cheapflights users on 6/11. 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.
Mon 7/271:00 am
SFO
- USM
2 stops26h 45m
Multiple Airlines
Sun 8/98:50 pm
USM
- SFO
2 stops24h 30m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,706
This EVA Air deal was found by Cheapflights users on 6/10. 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.
Tue 7/281:25 am
SFO
- USM
2 stops25h 10m
EVA Air
Fri 8/78:50 pm
USM
- SFO
2 stops24h 30m
EVA Air
Deal found 6/10![EVA Air logo]()
$1,829
This oojo deal was found by Cheapflights users on 6/11. 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 7/2811:45 am
SFO
- USM
1 stop39h 35m
Singapore Airlines
Tue 8/118:40 am
USM
- SFO
1 stop39h 10m
Singapore Airlines
Deal found 6/11![Singapore Airlines logo]()
$2,079
This Malaysia Airlines deal was found by Cheapflights users on 6/8. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:55 pm
SFO
- USM
3 stops34h 00m
Malaysia Airlines
Mon 9/148:00 am
USM
- SFO
3 stops29h 15m
Malaysia Airlines
Deal found 6/8![Malaysia Airlines logo]()
$2,135
This EVA Air deal was found by Cheapflights users on 6/10. 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.
Fri 7/241:00 am
SFO
- USM
2 stops24h 20m
EVA Air
Sun 8/99:00 pm
USM
- SFO
2 stops24h 20m
EVA Air
Deal found 6/10![EVA Air logo]()
$1,829
Last-minute flights from San Francisco to Ko SamuiDiscover last-minute flight deals from San Francisco to Ko Samui. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Ko Samui. Data last updated June 14, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Wed 7/812:25 pm
SFO
- USM
2 stops29h 50m
Multiple Airlines
Wed 7/1512:10 pm
USM
- SFO
3 stops47h 00m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,395
This KAYAK deal was found by Cheapflights users on 6/11. 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.
Thu 7/910:50 pm
SFO
- USM
1 stop32h 20m
Multiple Airlines
Sat 7/181:30 pm
USM
- SFO
1 stop34h 00m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,392
This oojo deal was found by Cheapflights users on 6/11. 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 7/91:00 pm
SFO
- USM
2 stops28h 30m
EVA Air
Sat 7/1811:55 am
USM
- SFO
2 stops22h 40m
EVA Air
Deal found 6/11![EVA Air logo]()
$1,594
This KAYAK deal was found by Cheapflights users on 6/10. 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.
Fri 7/1010:50 pm
SFO
- USM
1 stop29h 25m
Multiple Airlines
Fri 7/174:25 pm
USM
- SFO
1 stop31h 05m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,477
This BusinessClass deal was found by Cheapflights users on 6/11. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/271:25 am
SFO
- USM
2 stops24h 00m
EVA Air
Tue 8/118:50 pm
USM
- SFO
2 stops24h 30m
EVA Air
Deal found 6/11![EVA Air logo]()
$1,611
This BusinessClass deal was found by Cheapflights users on 6/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:50 pm
SFO
- USM
1 stop32h 20m
Multiple Airlines
Mon 8/101:30 pm
USM
- SFO
1 stop34h 00m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,654
This Gotogate deal was found by Cheapflights users on 6/13. 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.
Tue 7/284:30 pm
SFO
- USM
2 stops35h 45m
Multiple Airlines
Tue 8/48:35 pm
USM
- SFO
2 stops27h 45m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,649
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 June 14, 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 June 14, 2026.
This oojo deal was found by Cheapflights users on 6/10. 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 11/199:40 am
SFO
- USM
1 stop40h 30m
Singapore Airlines
Deal found 6/10![Singapore Airlines logo]()
$534
This Justfly.com deal was found by Cheapflights users on 6/10. 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.
Thu 11/1912:00 pm
SFO
- USM
2 stops30h 20m
EVA Air
Deal found 6/10![EVA Air logo]()
$641
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/158:23 pm
SFO
- USM
3 stops45h 07m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$704
This Trip.com deal was found by Cheapflights users on 6/13. 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.
Wed 7/1511:45 am
SFO
- USM
1 stop41h 05m
Singapore Airlines
Deal found 6/13![Singapore Airlines logo]()
$1,112
This Malaysia Airlines deal was found by Cheapflights users on 6/12. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:55 pm
SFO
- USM
3 stops30h 30m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,160
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 June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $833 (oojo) |
One-way from | $534 (oojo) |
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 2,558,603 searches. Data last updated June 14, 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 - USM
SFOUSM
San Francisco
Mon 9/7
11:45 am-7:45 am
1 stop30h 00m
Ko Samui
Mon 9/14
11:05 am-9:50 am
1 stop36h 45m
$836
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Mon 8/31
1:25 am-3:10 pm
2 stops23h 45m
Ko Samui
Sat 9/12
9:15 am-4:10 pm
2 stops20h 55m
$1,280
Quickest round-trip
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Thu 9/3
1:00 am-1:45 pm
2 stops22h 45m
Ko Samui
Tue 9/15
1:50 pm-8:10 pm
2 stops20h 20m
$1,280
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Mon 9/7
2:00 pm-12:45 pm
2 stops32h 45m
Ko Samui
Mon 9/14
11:55 am-11:25 am
1 stop37h 30m
$1,569
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Mon 7/27
1:00 am-5:45 pm
2 stops26h 45m
Ko Samui
Sun 8/9
8:50 pm-7:20 am
2 stops24h 30m
$1,706
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Tue 7/28
1:25 am-4:35 pm
2 stops25h 10m
Ko Samui
Fri 8/7
8:50 pm-7:20 am
2 stops24h 30m
$1,829
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Fri 7/24
1:00 am-3:20 pm
2 stops24h 20m
Ko Samui
Sun 8/9
9:00 pm-7:20 am
2 stops24h 20m
$1,829
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Sun 8/23
1:20 am-8:25 pm
3 stops29h 05m
Ko Samui
Wed 9/9
8:00 am-11:15 pm
3 stops29h 15m
$2,040
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Tue 7/28
11:45 am-5:20 pm
1 stop39h 35m
Ko Samui
Tue 8/11
8:40 am-9:50 am
1 stop39h 10m
$2,079
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Mon 9/7
1:55 pm-1:55 pm
3 stops34h 00m
Ko Samui
Mon 9/14
8:00 am-11:15 pm
3 stops29h 15m
$2,135
Showing 1-10 of 15 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 June.
| 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 |
- 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 18% of weekly flights between San Francisco and Ko Samui have experienced delays in the past year, with the average delay time being 169 minutes.
What is the most punctual flight time for San Francisco to Ko Samui flights?
Historically, flights departing at night 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 15% 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 June 14, 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.
Comfort
8.3
Crew
8.7
Overall
8.5
Food
8.1
Entertainment
8.0
Boarding
8.4
Reviews
1 / 20
10.0
ExcellentTony,Jun 2026
NRT - TPE
Comfort
8.3
Crew
8.7
Overall
8.5
Food
8.1
Entertainment
8.0
Boarding
8.4
Reviews
1 / 20
10.0
ExcellentTony,Jun 2026
NRT - TPE
Comfort
8.3
Crew
8.7
Overall
8.5
Food
8.1
Entertainment
8.0
Boarding
8.4
Reviews
1 / 20
10.0
ExcellentTony,Jun 2026
NRT - TPE
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 Tao
Ko Pha Ngan
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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 June 14, 2026.
San Francisco and Ko Samui flights
Browse other San Francisco and Ko Samui flight options. Last updated on June 14, 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 June 14, 2026.
Popular flight searches
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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 2,558,603 searches. Data last updated June 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$779 | Average$942 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$940 | Average$1,565 | FlexibilityNo cancel fee | On-time74% |