Cheap flights from San Francisco (SFO) to Koh Samui (USM)
How to find the cheapest flight from San Francisco to Koh Samui
All the information you need to plan the best SFO to USM flight in 2022: compare San Francisco to Koh Samui flight prices with the expected peak season, weather and rainfall in Koh Samui.
SFO - USM Price | $880 - $1,498 |
|---|---|
USM Temperature | 80.6 - 84.2 °F |
USM Rainfall | 2.3 - 19.3 inches |
| Popular in | June | High demand for flights, 28% potential price rise |
|---|---|---|
| Cheapest in | March | Best time to find cheap flights, 19% potential price drop |
| Round-trip from | $880 | From San Francisco to Ko Samui |
| One-way from | $677 | One-way flight from San Francisco to Ko Samui |
What is the cheapest day to fly round-trip from San Francisco to Koh Samui?
Friday flights are generally found to be more expensive for flights from San Francisco to Koh Samui. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Koh Samui.
How far in advance should I book a flight from San Francisco to Koh Samui?
To save on the cost of your flight from San Francisco to Koh Samui, book at least 34 days before your planned departure. Booking around this time can save you about 5% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $911 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $911.
What is the cheapest month to fly from San Francisco to Koh Samui?
The best pricing can be found in the month of March. Prices to Koh Samui from San Francisco average $1,081. You can even find prices in March for less than $1,081, as users have found deals to Koh Samui from as low as $819. The month of June appears to be one of the more expensive times to travel to Koh Samui from San Francisco. Flying in the targeted month can save you up to 38%.
When is the cheapest time to fly from San Francisco to Koh Samui (SFO - USM)?
It’s typically best to fly out from San Francisco to Koh Samui in the morning. Doing so could potentially save you 25% on the flight price compared to flying in the evening, which is usually more expensive.
Cheap flights from San Francisco to Koh Samui in May, June 2022
The best prices found for SFO to USM flights for May, June
San Francisco
Ko Samui
2 stops
34h 25mKo Samui
San Francisco
2 stops
33h 15mMultiple Airlines
San Francisco
Ko Samui
2 stops
34h 35mKo Samui
San Francisco
2 stops
32h 55mMultiple Airlines
San Francisco
Ko Samui
2 stops
34h 25mKo Samui
San Francisco
2 stops
33h 15mMultiple Airlines
San Francisco to Koh Samui 2022 flight deals
Cheap flights to Koh Samui from San Francisco found for this year
San Francisco
Ko Samui
2 stops
28h 30mKo Samui
San Francisco
2 stops
33h 10mJapan Airlines
San Francisco
Ko Samui
2 stops
23h 50mKo Samui
San Francisco
2 stops
19h 15mMultiple Airlines
San Francisco
Ko Samui
2 stops
26h 30mKo Samui
San Francisco
2 stops
38h 15mMultiple Airlines
Cheap Japan Airlines flights from San Francisco to Koh Samui
San Francisco
Ko Samui
2 stops
28h 30mKo Samui
San Francisco
2 stops
33h 10mJapan Airlines
San Francisco
Ko Samui
2 stops
30h 30mKo Samui
San Francisco
2 stops
33h 45mJapan Airlines
San Francisco
Ko Samui
2 stops
40h 45mKo Samui
San Francisco
2 stops
31h 35mJapan Airlines
Cheap Emirates flights from San Francisco to Koh Samui
San Francisco
Ko Samui
3 stops
35h 45mKo Samui
San Francisco
3 stops
35h 50mEmirates
San Francisco
Ko Samui
3 stops
36h 45mKo Samui
San Francisco
2 stops
33h 45mEmirates
San Francisco
Ko Samui
3 stops
36h 45mKo Samui
San Francisco
3 stops
35h 50mEmirates
Last minute flights from San Francisco to Koh Samui
Late deals on return flights to Koh Samui from San Francisco, departing today and this week
San Francisco
Ko Samui
2 stops
32h 45mKo Samui
San Francisco
2 stops
32h 05mMultiple Airlines
San Francisco
Ko Samui
2 stops
28h 30mKo Samui
San Francisco
2 stops
32h 15mMultiple Airlines
San Francisco
Ko Samui
2 stops
28h 30mKo Samui
San Francisco
2 stops
31h 25mMultiple Airlines
One-way flights to Ko Samui from San Francisco
The cheapest one-way flights from San Francisco to Koh Samui
San Francisco
Ko Samui
2 stops
29h 20mJapan Airlines
San Francisco
Ko Samui
2 stops
22h 45mEVA Air
San Francisco
Ko Samui
3 stops
31h 30mMultiple Airlines
Related info for your journey
Useful info, stats and facts about San Francisco to Koh Samui flights.
Which airlines flying from San Francisco to Ko Samui have flexible cancellations due to COVID-19?
Some of the carriers operating flights from San Francisco to Ko Samui that may be offering flexible cancellation policies are Japan Airlines and Singapore Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.
Can I find flights from San Francisco to Koh Samui for under $1,200 on Cheapflights?
Yes, there are multiple flights from San Francisco to Koh Samui for under $1,200. The cheapest flight booked recently is on Japan Airlines for just $1,135, but on average you can expect to pay $1,599.
Are there last-minute flights available from San Francisco to Koh Samui for under $2,000?
There are currently 20+ open flights from San Francisco to Koh Samui within the next 7 days for less than $2,000.
What are the cheapest airlines flying from San Francisco to Koh Samui round-trip?
According to our current data, Japan Airlines ($1,135), and EVA Air ($1,471) offers the cheapest pricing from San Francisco to Koh Samui.
What are the cheapest airlines to fly from San Francisco to Koh Samui one-way?
The cheapest airlines for a one-way flight from San Francisco to Koh Samui are Japan Airlines ($606), EVA Air ($677), and Cathay Pacific ($1,230).
What are the most popular airlines that fly from San Francisco to Koh Samui?
Consider EVA Air, Cathay Pacific or Japan Airlines when booking your flight. These represent the most popular airlines when flying from San Francisco to Koh Samui.
What are the cheapest flights from San Francisco to Koh Samui?
Looking at all options, your cheapest flight can be booked for $809. While the most popular route (San Francisco - Ko Samui) can be booked for $1,135 on average our data indicates $2,492 when flying from San Francisco to Koh Samui.
Other flights from San Francisco
Flights to Koh Samui from San Francisco
Can I fly to Ko Samui from San Francisco right now?
Most visitors from San Francisco need to provide a negative COVID-19 test result and/or quarantine to enter Ko Samui.
COVID-19 testing requirements
Visitors from San Francisco are not required to present a negative COVID-19 PCR test or antigen result upon entering Ko Samui.
Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Ko Samui.
Documents
Thailand Pass - The Thailand Pass is a web-based system for Thai and foreign travelers to fill in their travel and health information and upload the related documents before travelling. This system is operational and will replace the COE system on 1 November, 2021. However, the COE will continue to be used for certain groups of travelers.
Can I fly back to San Francisco from Ko Samui?
COVID-19 testing requirements
Visitors from Ko Samui must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to San Francisco.
Quarantine requirements
Visitors from Ko Samui are not required to quarantine after entering San Francisco.