Cheap flights from San Francisco to Koh Samui from $537

Round-trip
1 adult
Economy
From?
To?
Sun 10/24
Sun 10/31

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from San Francisco to Koh Samui.
View current Thailand travel restrictions

Flight information for San Francisco to Koh Samui
(SFO to USM)

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Koh Samui
Best Price Found$989The best flight deal from San Francisco to Koh Samui found on momondo in the last 72 hours is $989
Fastest flight time29h 40mThe fastest flight from San Francisco to Koh Samui takes 29h 40m
Direct flightsNoneThere are no direct flights from San Francisco to Koh Samui. Popular non-direct route for this connection is San Francisco Airport - Koh Samui Airport.
Airports in Koh Samui1 airportThere is 1 airport near Koh Samui: Koh Samui (USM)

How to get the cheapest flight ticket from San Francisco to Koh Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from San Francisco to Koh Samui?

March

The cheapest time of year to fly to Koh Samui from San Francisco is March. Most expensive is June

What is the cheapest day to depart San Francisco for Koh Samui?

Wednesday

The cheapest day of the week is typically Wednesday. The most expensive is typically Saturday

When is the cheapest time to fly from San Francisco to Koh Samui?

at noon

San Francisco to Koh Samui flights are approximately 20% more expensive in the evening than at noon

What is the cheapest airline that flies to Koh Samui from San Francisco?

EVA Air

Cathay Pacific and EVA Air are the most popular carriers operating from San Francisco to Koh Samui

What is the cheapest San Francisco to Koh Samui flight route?

San Francisco - Koh Samui

Fly from San Francisco to Koh Samui for the best San Francisco - Koh Samui flight prices

How far in advance should you book San Francisco to Koh Samui flights?

33 days before

The cheapest time to buy a flight from San Francisco to Koh Samui is approximately 33 days to departure


Easily compare round-trip flights from San Francisco to Koh Samui

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from San Francisco to Koh Samui by changing tabs
Multiple Airlines
Nov 1
SFO11:30 amSan Francisco
32h 05m
2 stops
USM7:35 pmKoh Samui
Nov 11
USM10:40 amKoh Samui
35h 50m
2 stops
SFO10:30 pmSan Francisco
Japan Airlines
Jan 5
SFO7:25 amSan Francisco
30h 00m
2 stops
USM1:25 pmKoh Samui
Feb 16
USM10:40 amKoh Samui
33h 20m
2 stops
SFO8:00 pmSan Francisco
Multiple Airlines
Jan 31
SFO9:30 amSan Francisco
37h 15m
2 stops
USM10:45 pmKoh Samui
Feb 12
USM2:40 pmKoh Samui
31h 50m
2 stops
SFO10:30 pmSan Francisco
Japan Airlines
Jan 5
SFO4:25 amSan Francisco
43h 10m
3 stops
USM11:35 pmKoh Samui
Feb 16
USM10:40 amKoh Samui
33h 20m
2 stops
SFO8:00 pmSan Francisco
Multiple Airlines
Feb 7
SFO7:05 pmSan Francisco
27h 50m
2 stops
USM10:55 pmKoh Samui
Feb 22
USM2:25 pmKoh Samui
38h 05m
2 stops
SFO4:30 amSan Francisco
Japan Airlines
Jan 5
SFO4:25 amSan Francisco
43h 10m
3 stops
USM11:35 pmKoh Samui
Feb 16
USM10:40 amKoh Samui
41h 49m
3 stops
SFO4:29 amSan Francisco

Find the cheapest one-way flights from San Francisco to Koh Samui

If you're looking for one-way flights from San Francisco to Koh Samui, view some of our deals below provided by EVA Air and Japan Airlines
Japan Airlines
Jan 3
SFO9:20 amSan Francisco
38h 15m
2 stops
USM11:35 pmKoh Samui
Multiple Airlines
Jan 30
SFO1:45 pmSan Francisco
49h 25m
3 stops
USM3:10 pmKoh Samui
EVA Air
Jan 2
SFO7:05 pmSan Francisco
23h 50m
2 stops
USM6:55 pmKoh Samui

Best airlines flying from San Francisco to Koh Samui

Compare and see reviews for airlines that fly from San Francisco to Koh Samui with momondo
AirlineRatingFree CancellationPrice
EVA Air
PriceFrom $819
Free Cancellation
Rating
8.3
8.7

Boarding

8.3

Comfort

8.6

Crew

8.1

Entertainment

7.8

Food

Reviews

Pros: Flight cancelled

Cons: Contact passengers promptly and suggest solution

1 / 10
Cathay Pacific
PriceFrom $1,067
Free Cancellation
Rating
8.1
8.2

Boarding

8.0

Comfort

8.4

Crew

8.2

Entertainment

7.8

Food

Reviews

Pros: H good

Cons: Good

1 / 10

  • Are airlines flying from San Francisco to Koh Samui offering flexible cancellation due to COVID-19?

    Due to the global impact of COVID-19, some of our airline partners operating flights from San Francisco to Koh Samui, such as EVA Air, Cathay Pacific, and Singapore Airlines may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.

  • How far is San Francisco to Koh Samui by plane?

    San Francisco and Koh Samui are 8165.8 mi apart from one another. In terms of flight time, this usually takes a little over 27h 50m.


Can I fly to Koh Samui from San Francisco right now?

Information is based on travel restrictions from San Francisco to Koh Samui

Most visitors from San Francisco need to provide a negative COVID-19 test result and/or quarantine to enter Koh Samui.

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Koh Samui.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Koh Samui.

Can I fly back to San Francisco from Koh Samui?

Returning to San Francisco from Koh Samui

COVID-19 testing requirements
Visitors from Koh Samui must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Francisco.

Quarantine requirements
Visitors from Koh Samui are not required to quarantine after entering San Francisco.

If you are planning to travel to Koh Samui at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Alternative routes for San Francisco to Koh Samui

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Los Angeles to Bangkok Flights
Fastest flight time20h 35m
Cheapest price$703
San Francisco to Bangkok Flights
Fastest flight time20h 20m
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Cheapest price$752
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Fastest flight time23h 20m
Cheapest price$775
Ontario to Bangkok Flights
Fastest flight time26h 35m
Cheapest price$822
Los Angeles to Chiang Mai Flights
Fastest flight time24h 20m
Cheapest price$844
Sacramento to Bangkok Flights
Fastest flight time24h 00m
Cheapest price$861
San Francisco to Chiang Mai Flights
Fastest flight time27h 50m
Cheapest price$875
Oakland, California to Bangkok Flights
Fastest flight time25h 03m
Cheapest price$894
Reno to Bangkok Flights
Fastest flight time25h 50m
Cheapest price$898

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