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Cheap Flights from San Francisco to Koh Samui, TH, Thailand - SFO to USM

Popular flights from San Francisco to Koh Samui

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 15, 2016 Jul 23, 2016 $2,210
Thai Airways
Departure Date Return Date Lowest Price
Jun 15, 2016 Jun 21, 2016 $2,713
United Airlines
Departure Date Return Date Lowest Price
Jul 15, 2016 Jul 23, 2016 $3,957

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 $3,370.

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.

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
May San Francisco Koh Samui Bangkok 5/12/16 5/17/16 2 $2,546
June San Francisco Koh Samui Thai 6/15/16 6/21/16 2 $2,713
July San Francisco Koh Samui Bangkok 7/15/16 7/23/16 2 $2,210
August San Francisco Koh Samui Thai 8/18/16 8/22/16 3 $3,367
September San Francisco Koh Samui United 9/13/16 9/20/16 2 $3,929
October San Francisco Koh Samui Thai 10/10/16 10/17/16 2 $8,072
December San Francisco Koh Samui United 12/7/16 12/11/16 2 $3,979
February San Francisco Koh Samui United 2/10/17 2/28/17 2 $5,811

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 $2,950.

The average price for round trip flights from San Francisco to Koh Samui is $2,960.

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 $713
San Francisco to Phuket American, Alaska, Hawaiian, Bangkok, Thai, United $876
San Francisco to Singapore American, Alaska, JetBlue, Hawaiian, SilkAir, Singapore, United $776
San Francisco to Kuala Lumpur American, Alaska, Hawaiian, Malaysia, United $559
San Francisco to Hong Kong American, Alaska, JetBlue, Cathay, Hawaiian, Hong Kong, Singapore, United, Great Lakes $662
San Francisco to Ho Chi Minh City American, Alaska, JetBlue, Hawaiian, United, Vietnam $660
San Francisco to Delhi Jet Airways, American, Air India, Alaska, JetBlue, United, Great Lakes $907
San Francisco to Tokyo American, Alaska, JetBlue, Hawaiian, JAL, All Nippon, United, Virgin America, Island Air $794
San Francisco to London American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, FlexFlight, Great Lakes $657
San Francisco to Phnom Penh American, Alaska, Hawaiian, United $1,318
San Francisco to Manila American, Alaska, JetBlue, Hawaiian, Philippine, United $620
San Francisco to Shanghai Sichuan, American, Alaska, Air China, China Southern, Hawaiian, Hainan, Xiamen, China Eastern, Shandong, United, Shenzhen, Great Lakes $538
San Francisco to Penang American, Alaska, Malaysia, United $985
San Francisco to Mumbai Jet Airways, American, Air India, Alaska, JetBlue, Hawaiian, United, KLM*, Great Lakes $923
San Francisco to Beijing Sichuan, American, Alaska, Air China, China Southern, Hawaiian, Hainan, Xiamen, China Eastern, United, Virgin America, Shenzhen, Great Lakes $545
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, Arkefly, Austrian, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, Virgin America, FlexFlight $729
San Francisco to Jakarta American, Alaska, JetBlue, Garuda, Hawaiian, United $747
San Francisco to Krabi American, Bangkok, Thai, United $1,587
San Francisco to Seoul American, Alaska, JetBlue, Hawaiian, Korean, Asiana, Singapore, United, Virgin America $699
San Francisco to Yangon MAI Myanmar, American, Alaska, Hawaiian, United $977
San Francisco to Chennai Jet Airways, American, Air India, Alaska, JetBlue, United $970
San Francisco to Guangzhou Sichuan, American, Alaska, Air China, China Southern, Hawaiian, Hainan, Xiamen, China Eastern, United, Shenzhen $584
San Francisco to Bangalore Jet Airways, American, Air India, Alaska, JetBlue, United, KLM* $975

Cheap International Flights to Koh Samui - USM

FlightsAirlineLowest Price
Sacramento to Bangkok American, Alaska, Hawaiian, Thai, United $1,079
San Jose to Bangkok American, Alaska, Hawaiian, Bangkok, Thai, United $713
Oakland to Bangkok American, Alaska, Hawaiian, Thai, United $1,795
Fresno to Bangkok American, Alaska, Thai, United $1,180
Sacramento to Phuket American, Alaska, Hawaiian, Bangkok, Thai, United $2,215
San Jose to Phuket American, Alaska, Hawaiian, Bangkok, Thai, United $1,070
Reno to Bangkok American, Alaska, Thai, United $1,188
Cheap Flights from San Francisco to Koh Samui, TH, Thailand, from $2,210 Round trip from SFO to USM