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Cheap Flights from San Francisco to Koh Samui, TH, Thailand - SFO to USM Last modified: May 30, 2016 1:48 PM

Popular flights from San Francisco to Koh Samui Last modified: May 30, 2016 1:48 PM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Bangkok Airways
Departure Date Return Date Lowest Price
Jul 14, 2016 Jul 21, 2016 $3,400
Thai Airways
Departure Date Return Date Lowest Price
Sep 8, 2016 Sep 13, 2016 $6,908
United Airlines
Departure Date Return Date Lowest Price
Sep 17, 2016 Sep 30, 2016 $1,562

How Much Does it Cost to Fly from San Francisco to Koh Samui (SFO to USM)?

We have collected flight cost data from across the web for travel from San Francisco to Koh Samui, and have found the average flight price for this trip to be $4,664.

When Can I Buy the Cheapest Flight from San Francisco to Koh Samui (SFO to USM)?

Airlines can adjust prices for plane tickets from San Francisco to Koh Samui based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from San Francisco to Koh Samui

The chart below shows up-to-date information regarding the cheapest days to fly from San Francisco to Koh Samui.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$3,819 $7,349 $3,698 $3,400 $2,119 $4,910 $7,349

Lowest Fares Chart By Month from San Francisco to Koh Samui

The chart below shows the lowest fare by month when flying from San Francisco to Koh Samui.

Month Origin Destination Carrier Depart Date Return Date Stops Price
June San Francisco Koh Samui Bangkok 6/22/16 7/9/16 2 $3,698
July San Francisco Koh Samui Bangkok 7/14/16 7/21/16 2 $3,400
August San Francisco Koh Samui United 8/12/16 8/16/16 2 $2,119
September San Francisco Koh Samui United 9/17/16 9/30/16 2 $1,562
October San Francisco Koh Samui United 10/10/16 10/19/16 2 $2,757
November San Francisco Koh Samui Thai 11/10/16 11/17/16 2 $7,349
December San Francisco Koh Samui Thai 12/16/16 12/30/16 2 $7,349
January San Francisco Koh Samui Thai 1/18/17 1/23/17 2 $7,349

Round Trip vs One Way Flights from San Francisco to Koh Samui (SFO to USM)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from San Francisco to Koh Samui. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from San Francisco to Koh Samui is $3,331.

The average price for round trip flights from San Francisco to Koh Samui is $5,459.

Airports for Your Route

These pages contain information about the major airports in San Francisco and Koh Samui, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap International Flights from San Francisco - SFO

FlightsAirlineLowest Price
San Francisco to Bangkok American, Alaska, JetBlue, Hawaiian, Bangkok, Thai, United $719
San Francisco to Phuket American, Alaska, Hawaiian, Bangkok, Thai, United $823
San Francisco to Singapore American, Alaska, JetBlue, Hawaiian, SilkAir, Singapore, United $776
San Francisco to Kuala Lumpur American, Alaska, Hawaiian, Malaysia, United $608
San Francisco to Hong Kong American, Alaska, JetBlue, Cathay, Hawaiian, Hong Kong, Dragonair, Singapore, United $663
San Francisco to Ho Chi Minh City American, Alaska, JetBlue, Hawaiian, United, Vietnam $579
San Francisco to Delhi Jet Airways, American, Air India, Alaska, JetBlue, Hawaiian, United $868
San Francisco to Tokyo American, Alaska, JetBlue, Hawaiian, JAL, All Nippon, United, Virgin America, Island Air $864
San Francisco to London American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, XL Airways, SAS, Brussels, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic, FlexFlight, Great Lakes $937
San Francisco to Phnom Penh American, Alaska, Hawaiian, United $1,089
San Francisco to Manila American, Alaska, JetBlue, Hawaiian, Philippine, United $560
San Francisco to Shanghai Sichuan, American, Alaska, Air China, China Southern, Hawaiian, Hainan, Xiamen, China Eastern, Shandong, United, Shenzhen $543
San Francisco to Penang American, Alaska, Malaysia, United $1,325
San Francisco to Mumbai Jet Airways, American, Air India, Alaska, JetBlue, Hawaiian, United $852
San Francisco to Beijing American, Alaska, Air China, China Southern, Hawaiian, Hainan, Xiamen, China Eastern, United, Virgin America, Shenzhen $534
San Francisco to Paris American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, OpenSkies, Aer Lingus, Iberia, Meridiana, KLM, Air Malta, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, Virgin America, FlexFlight $808
San Francisco to Jakarta American, Alaska, Garuda, Hawaiian, United $741
San Francisco to Krabi American, Bangkok, Thai, United $1,627
San Francisco to Seoul American, Alaska, JetBlue, Hawaiian, Korean, Asiana, Singapore, United, Virgin America $738
San Francisco to Yangon MAI Myanmar, American, Alaska, Hawaiian, United $971
San Francisco to Chennai Jet Airways, American, Air India, JetBlue, United $895
San Francisco to Guangzhou Sichuan, American, Alaska, Air China, China Southern, Hawaiian, Hainan, Xiamen, China Eastern, United, Shenzhen $538
San Francisco to Bangalore Jet Airways, American, Air India, Alaska, JetBlue, United $874

Cheap International Flights to Koh Samui - USM

FlightsAirlineLowest Price
Sacramento to Bangkok American, Alaska, Hawaiian, Thai, United $1,106
San Jose to Bangkok American, Alaska, Hawaiian, Bangkok, Thai, United $719
Oakland to Bangkok American, Alaska, Hawaiian, Thai, United $1,372
Fresno to Bangkok American, Alaska, Thai, United $1,339
Sacramento to Phuket American, Alaska, Hawaiian, Thai, United $4,176
San Jose to Phuket American, Alaska, Hawaiian, Bangkok, Thai, United $838
Reno to Bangkok American, Alaska, Thai, United $1,129
Cheap Flights from San Francisco to Koh Samui, TH, Thailand, from $1,562 Round trip from SFO to USM