Cheap flights from San Diego (SAN) to Koh Samui (USM)

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How to find the cheapest flight from
San Diego (SAN) to Koh Samui (USM)

All the information you need to plan the best SAN to USM flight in 2022: compare San Diego to Koh Samui flight prices with the expected peak season, weather and rainfall in Koh Samui.
What is the cheapest day to fly round-trip from San Diego to Koh Samui?

Saturday flights are found to be more expensive to fly from San Diego 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.

When is the cheapest time to fly from San Diego to Koh Samui (SAN - USM)?

When flying from San Diego to Koh Samui, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 2% versus a flight at noon.

Cheap flights from San Diego to Koh Samui in July, August 2022

The best prices found for SAN to USM flights for July, August
21 Aug - 28 Aug
$1,780pp
SAN
San Diego
Multiple Airlines
     
3 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
     
3 STOPS
SAN
San Diego
21 Aug - 28 Aug
$2,836pp
SAN
San Diego
Japan Airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Japan Airlines
     
3 STOPS
SAN
San Diego
21 Aug - 28 Aug
$3,938pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
British Airways
   
2 STOPS
SAN
San Diego

San Diego to Koh Samui 2022 flight deals

Cheap flights to Koh Samui from San Diego found for this year
24 Oct - 27 Oct
$1,290pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
SAN
San Diego
24 Oct - 27 Oct
$1,600pp
SAN
San Diego
Multiple Airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
     
3 STOPS
SAN
San Diego
21 Aug - 28 Aug
$1,780pp
SAN
San Diego
Multiple Airlines
     
3 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
     
3 STOPS
SAN
San Diego

Cheap Japan Airlines flights from San Diego to Koh Samui

21 Aug - 28 Aug
$2,836pp
SAN
San Diego
Japan Airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Japan Airlines
     
3 STOPS
SAN
San Diego

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Diego</span> to <span class="emphasized">Koh Samui</span> flights.

Flight FAQs

From San Diego to Koh Samui

Which airlines flying from San Diego to Ko Samui have flexible changes due to COVID-19?

One of the carriers operating flights from San Diego to Ko Samui that may be offering flexible change policies is Cathay Pacific. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from San Diego to Koh Samui for under $1,300 on Cheapflights?

Yes, there are multiple flights from San Diego to Koh Samui for under $1,300. The cheapest flight booked recently is on Multiple Airlines for just $1,290, but on average you can expect to pay $2,285.

What are the cheapest flights from San Diego to Koh Samui?

Looking for the cheapest flight from San Diego to Koh Samui? While on average our users pay $1,673, our data indicates the cheapest price to be $1,673. The most popular route (San Diego - Ko Samui), is priced around $1,780.

COVID Restrictions

View COVID Travel Restrictions for Koh Samui, Thailand

Do I need a COVID test to fly to Koh Samui from San Diego?

Information is based on travel restrictions from San Diego to Ko Samui

Most visitors from San Diego can enter Ko Samui without restrictions.

COVID-19 testing requirements
Visitors from San Diego are not required to present a negative COVID-19 PCR test or antigen result upon entering Ko Samui.

Quarantine requirements
Visitors from San Diego are not required to quarantine after entering Ko Samui.

Do I need a test to fly back to San Diego from Koh Samui?

Returning to San Diego from Ko Samui

COVID-19 testing requirements
Visitors from Ko Samui are not required to present a negative COVID-19 PCR test or antigen result upon entering San Diego.

Quarantine requirements
Visitors from Ko Samui are not required to quarantine after entering San Diego.

Hide COVID Travel Restrictions for Koh Samui, Thailand

Alternative routes for San Diego to Koh Samui

See prices for flight routes from nearby airports that may be better suited for you.
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