
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $868 (Justfly.com) |
One-way from | $448 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $2,044 |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Sun 5/10
11:30 am-7:50 am
1 stop30h 20m
Ko Samui
Sun 5/31
8:45 am-9:40 am
1 stop38h 55m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Sun 5/3
11:30 am-5:20 pm
1 stop39h 50m
Ko Samui
Sun 5/31
8:45 am-9:40 am
1 stop38h 55m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Sat 5/9
12:50 am-2:45 pm
2 stops23h 55m
Ko Samui
Sun 5/31
8:50 pm-6:45 am
2 stops23h 55m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Tue 3/3
11:50 pm-3:35 pm
2 stops24h 45m
Ko Samui
Sat 3/14
1:55 pm-7:40 pm
2 stops19h 45m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Sun 4/12
11:30 am-5:20 pm
1 stop39h 50m
Ko Samui
Thu 4/30
11:05 am-9:40 am
1 stop36h 35m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Mon 1/19
11:50 pm-5:40 pm
2 stops26h 50m
Ko Samui
Thu 2/5
8:30 am-2:50 pm
2 stops21h 20m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Mon 1/19
11:50 pm-5:50 pm
2 stops27h 00m
Ko Samui
Wed 2/4
1:35 pm-6:30 pm
2 stops19h 55m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Mon 1/19
11:50 pm-5:40 pm
2 stops26h 50m
Ko Samui
Sun 2/8
8:30 pm-6:30 am
2 stops25h 00m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Tue 3/17
8:09 pm-7:10 am
3 stops45h 01m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Thu 3/19
3:25 pm-7:10 am
3 stops49h 45m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
Currently, October is the cheapest month in which you can book a flight from San Francisco to Ko Samui (average of $796). Flying from San Francisco to Ko Samui in December is currently the most expensive (average of $2,044). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from San Francisco to Ko Samui at noon. Doing so could potentially save you 28% on the flight price compared to flying in the morning, which is usually more expensive.
Travelers seeking maximum savings on their San Francisco to Ko Samui flight should consider departing on Tuesday at noon when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
About 15% of weekly flights between San Francisco and Ko Samui have experienced delays in the past year, with the average delay time being 153 minutes.
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.
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.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Walter,Nov 2025
LAX - TPE
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Walter,Nov 2025
LAX - TPE
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Walter,Nov 2025
LAX - TPE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$817 | Average$1,084 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,001 | Average$1,102 | FlexibilityNo cancel fee | On-time74% |