
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $759 (Justfly.com) |
One-way from | $530 (Kiwi.com) |
Popular in | July |
Cheapest in | November |
Average price | $1,291 |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Sat 4/25
12:50 am-2:45 pm
2 stops23h 55m
Ko Samui
Sun 5/10
9:15 am-8:30 pm
2 stops25h 15m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Wed 5/6
12:50 am-8:50 pm
2 stops30h 00m
Ko Samui
Tue 5/12
2:35 pm-8:30 pm
2 stops19h 55m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Sun 4/12
11:00 am-5:20 pm
1 stop40h 20m
Ko Samui
Thu 4/30
11:05 am-9:10 am
1 stop36h 05m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Sat 5/9
1:15 am-1:45 pm
2 stops22h 30m
Ko Samui
Sun 5/31
6:55 pm-6:45 am
2 stops25h 50m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Thu 3/26
12:00 pm-7:45 am
2 stops29h 45m
Ko Samui
Thu 4/2
2:00 pm-8:00 pm
2 stops20h 00m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Wed 2/18
12:00 pm-7:45 am
2 stops28h 45m
Ko Samui
Tue 2/24
5:40 pm-6:30 am
2 stops27h 50m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Wed 3/18
10:40 am-6:50 pm
1 stop42h 10m
Ko Samui
Sun 3/22
8:55 am-8:50 am
1 stop37h 55m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Mon 2/9
11:40 am-8:00 am
2 stops29h 20m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Mon 2/9
10:35 am-6:15 pm
1 stop40h 40m
San FranciscoKo Samui
SFO - USM
SFOUSM
San Francisco
Mon 2/2
6:39 pm-7:45 am
3 stops46h 06m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
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 13% of weekly flights between San Francisco and Ko Samui have experienced delays in the past year, with the average delay time being 154 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Delta have had the lowest number of delays on this route, with just 8% of flights being delayed.
Comfort
Crew
Boarding
Entertainment
Food
Overall
Reviews
Jolene,Jan 2026
SGN - TPE
Comfort
Crew
Boarding
Entertainment
Food
Overall
Reviews
Jolene,Jan 2026
SGN - TPE
Comfort
Crew
Boarding
Entertainment
Food
Overall
Reviews
Jolene,Jan 2026
SGN - TPE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$796 | Average$1,389 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,001 | Average$1,093 | FlexibilityNo cancel fee | On-time74% |