There are 5 ways to get from San Francisco to Ko Samui by plane, shuttle, train, or ferry
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly San Francisco International Airport to Koh Samui Airport
best- Fly from San Francisco International Airport (SFO) to Koh Samui Airport (USM)plane SFO - USM
25h 12m฿20,509–50,629Fly San Francisco International Airport to Suvarnabhumi Airport, ferry
cheapest- Fly from San Francisco International Airport (SFO) to Suvarnabhumi Airport (BKK)plane SFO - BKK
- Take the ferry from Bangkok Khao San to Koh Tao Pierferry
- Take the ferry from Koh Tao Songserm to Na Thon Koh Samui Songsermferry
31h 10m฿10,289–24,959Fly Oakland International Airport to Koh Samui Airport
- Fly from Oakland International Airport (OAK) to Koh Samui Airport (USM)plane OAK - USM
29h 21m฿23,373–60,486Shuttle to Sonoma County Airport, fly to Koh Samui Airport
- Take a shuttle bus from San Francisco Pier 27 to Santa Rosa Airport
- Fly from Sonoma County Airport (STS) to Koh Samui Airport (USM)plane STS - USM
30h 59m฿23,015–57,242Caltrain to Norman Y. Mineta San José International Airport, fly to Koh Samui Airport
- Take the train from San Francisco Caltrain Southbound to Santa Clara Caltrain Southboundtrain
- Fly from Norman Y. Mineta San José International Airport (SJC) to Koh Samui Airport (USM)plane SJC - USM
31h 40m฿21,578–75,690
San Francisco International Airport (SFO) to Koh Samui Airport (USM) flights
Comparing Your Travel Options
The cheapest way to get from San Francisco to Ko Samui is to fly and ferry which costs ฿10000 - ฿25000 and takes 31h 10m.
The fastest way to get from San Francisco to Ko Samui is to fly which takes 25h 12m and costs ฿20000 - ฿55000.
The distance between San Francisco and Ko Samui is 13207 km.
It takes approximately 25h 12m to get from San Francisco to Ko Samui, including transfers.
Ko Samui is 15h ahead of San Francisco. It is currently 4:24 AM in San Francisco and 7:24 PM in Ko Samui.
There are 3465+ hotels available in Ko Samui.
What companies run services between San Francisco, CA, USA and Ko Samui, Thailand?
Singapore Airlines, Bangkok Airways, and five other airlines fly from San Francisco International Airport (SFO) to Koh Samui Airport (USM) every 4 hours.
- Website
- singaporeair.com
Flights from San Francisco International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 21h 46m
- When
- Every day
- Estimated price
- ฿16,000–110,000
Flights from Oakland International Airport to Koh Samui Airport via Seattle, Singapore Changi
- Ave. Duration
- 24h 25m
- When
- Tuesday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿21,000–130,000
Flights from Sonoma County Airport to Koh Samui Airport via Los Angeles, Singapore Changi
- Ave. Duration
- 24h 54m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- ฿21,000–120,000
Flights from Sonoma County Airport to Koh Samui Airport via Seattle, Singapore Changi
- Ave. Duration
- 36h 42m
- When
- Monday, Tuesday, Thursday, Friday, and Saturday
- Estimated price
- ฿20,000–120,000
Flights from Norman Y. Mineta San José International Airport to Koh Samui Airport via Los Angeles, Singapore Changi
- Ave. Duration
- 25h 45m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- ฿24,000–140,000
Flights from Norman Y. Mineta San José International Airport to Koh Samui Airport via Seattle, Singapore Changi
- Ave. Duration
- 32h 30m
- When
- Monday, Thursday, and Friday
- Estimated price
- ฿24,000–140,000
- Website
- cathaypacific.com
Flights from San Francisco International Airport to Koh Samui Airport via Hong Kong
- Ave. Duration
- 29h 40m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- ฿17,000–55,000
Flights from Oakland International Airport to Koh Samui Airport via Los Angeles, Hong Kong
- Ave. Duration
- 32h 45m
- When
- Monday and Friday
- Estimated price
- ฿22,000–70,000
Flights from Sonoma County Airport to Koh Samui Airport via Los Angeles, Hong Kong
- Ave. Duration
- 33h 34m
- When
- Monday and Friday
- Estimated price
- ฿21,000–65,000
Flights from Norman Y. Mineta San José International Airport to Koh Samui Airport via Los Angeles, Hong Kong
- Ave. Duration
- 31h 41m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- ฿21,000–75,000
Flights from San Francisco International Airport to Suvarnabhumi Airport via Hong Kong
- Ave. Duration
- 21h 15m
- When
- Every day
- Estimated price
- ฿10,000–33,000
- Website
- evaair.com
Flights from San Francisco International Airport to Koh Samui Airport via Taiwan Taoyuan, Suvarnabhumi Airport
- Ave. Duration
- 25h 25m
- When
- Tuesday, Thursday, Sunday, Monday, Wednesday, and Friday
- Estimated price
- ฿20,000–50,000
Flights from Oakland International Airport to Koh Samui Airport via Seattle, Taiwan Taoyuan, Suvarnabhumi Airport
- Ave. Duration
- 26h 35m
- When
- Thursday
- Estimated price
- ฿23,000–60,000
Flights from Sonoma County Airport to Koh Samui Airport via Seattle, Taiwan Taoyuan, Suvarnabhumi Airport
- Ave. Duration
- 30h 57m
- When
- Tuesday, Thursday, and Saturday
- Estimated price
- ฿22,000–55,000
Flights from San Francisco International Airport to Suvarnabhumi Airport via Taiwan Taoyuan
- Ave. Duration
- 20h 17m
- When
- Every day
- Estimated price
- ฿12,000–30,000
- Website
- bangkokair.com
Flights from Sonoma County Airport to Koh Samui Airport via Los Angeles, Hong Kong
- Ave. Duration
- 33h 34m
- When
- Monday and Friday
- Estimated price
- ฿21,000–65,000
Flights from Norman Y. Mineta San José International Airport to Koh Samui Airport via Los Angeles, Hong Kong
- Ave. Duration
- 31h 41m
- When
- Monday, Wednesday, Friday, and Saturday
- Estimated price
- ฿21,000–75,000
- Website
- jal.com
Flights from San Francisco International Airport to Koh Samui Airport via Tokyo Haneda, Suvarnabhumi Airport
- Ave. Duration
- 28h 20m
- When
- Every day
- Estimated price
- ฿23,000–60,000
Flights from San Francisco International Airport to Suvarnabhumi Airport via Tokyo Narita
- Ave. Duration
- 20h 50m
- When
- Every day
- Estimated price
- ฿14,000–35,000
- Website
- china-airlines.com
Flights from Oakland International Airport to Koh Samui Airport via Ontario/San Bernardino, Taiwan Taoyuan, Suvarnabhumi Airport
- Ave. Duration
- 26h 30m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿22,000–60,000
Flights from San Francisco International Airport to Suvarnabhumi Airport via Taiwan Taoyuan
- Ave. Duration
- 19h 10m
- When
- Every day
- Estimated price
- ฿11,000–31,000
- Website
- united.com
Flights from San Francisco International Airport to Suvarnabhumi Airport via Tokyo Narita
- Ave. Duration
- 20h 45m
- When
- Every day
- Estimated price
- ฿11,000–75,000
Flights from San Francisco International Airport to Suvarnabhumi Airport via Hong Kong
- Ave. Duration
- 21h 15m
- When
- Every day
- Estimated price
- ฿9,000–32,000
- Website
- flyscoot.com
Flights from San Francisco International Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 21h 15m
- When
- Every day
- Estimated price
- ฿16,000–60,000
- Website
- csair.com
Flights from San Francisco International Airport to Suvarnabhumi Airport via Guangzhou Baiyun
- Ave. Duration
- 19h 35m
- When
- Tuesday and Saturday
- Estimated price
- ฿7,500–24,000
- Website
- ana.co.jp
Flights from San Francisco International Airport to Suvarnabhumi Airport via Tokyo Narita
- Ave. Duration
- 20h 45m
- When
- Every day
- Estimated price
- ฿11,000–75,000
- Website
- airchina.com
Flights from San Francisco International Airport to Suvarnabhumi Airport via Shanghai Pudong
- Ave. Duration
- 21h 35m
- When
- Every day
- Estimated price
- ฿9,000–32,000
- Website
- en.ceair.com
Flights from San Francisco International Airport to Suvarnabhumi Airport via Shanghai Pudong
- Ave. Duration
- 21h 55m
- When
- Monday, Thursday, and Saturday
- Estimated price
- ฿8,000–22,000
- Website
- vietnamairlines.com
Flights from San Francisco International Airport to Suvarnabhumi Airport via Tan Son Nhat
- Ave. Duration
- 22h 5m
- When
- Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿10,000–26,000
- Website
- philippineairlines.com
Flights from San Francisco International Airport to Suvarnabhumi Airport via Manila
- Ave. Duration
- 22h 25m
- When
- Every day
- Estimated price
- ฿10,000–28,000
- Website
- starlux-airlines.com
Flights from San Francisco International Airport to Suvarnabhumi Airport via Taiwan Taoyuan
- Ave. Duration
- 22h 25m
- When
- Every day
- Estimated price
- ฿11,000–35,000
- Phone
- +1 800-660-4287
- Website
- Cal Train
Train from San Francisco Caltrain Southbound to Santa Clara Caltrain Southbound
- Ave. Duration
- 1h 11m
- Frequency
- Every 30 minutes
- Estimated price
- ฿310–380
- Website
- Cal Train
- Schedules at
- Cal Train
- One-way Adult
- ฿310–380
- Phone
- +1 707-837-8700
- Website
- Groome Transportation
Shuttle from San Francisco Pier 27 to Santa Rosa Airport
- Ave. Duration
- 1h 45m
- Frequency
- On demand
- Estimated price
- ฿800–2,100
- Website
- Groome Transportation
- First Passenger
- ฿800–2,100
- Phone
- +66 2 247 1047
- [email protected]
- Website
- 12go.co
Ferry from Bangkok Khao San to Koh Tao Pier
- Ave. Duration
- 5h 30m
- Frequency
- Once daily
- Estimated price
- ฿1,200
- Book at
- Nor Phuangphet Transport
- Phone
- +66 86 2730389
- [email protected]
- Website
- Songserm
Ferry from Koh Tao Songserm to Na Thon Koh Samui Songserm
- Ave. Duration
- 1h 35m
- Frequency
- Once daily
- Estimated price
- ฿700–1,300
- Website
- Songserm
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