Which airports can I use when flying from San Diego to Ko Samui?

Flights from San Diego to Ko Samui usually depart from San Diego (SAN) and arrive at Ko Samui (USM).

What cabin classes can I book on flights from San Diego to Ko Samui?

Only Economy Class is available on flights from San Diego to Ko Samui.

What popular places can I visit in Ko Samui?

Some of the most popular sights in Ko Samui are Lamai Beach, Chaweng Beach and Fishermans Village. These are among the most viewed places in Ko Samui on KAYAK.

Do I need a passport to fly from San Diego to Ko Samui?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from San Diego to Ko Samui changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $1,221 to $2,224. That means the highest observed fare was about 82% higher than the lowest one.

What is the time difference between San Diego and Ko Samui?

Ko Samui is 14 hours ahead of San Diego (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Ko Samui Airport (USM)?

Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include: · Drive Car Rental · Alamo · Sixt · Enterprise Rent-A-Car · Hertz

$1,221 CHEAP FLIGHTS from San Diego to Ko Samui (SAN - USM)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Ko Samui!

Flight Deals

Cheap Flights from San Diego to Ko Samui (SAN-USM)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from San Diego to Ko Samui

Fri, Sep 18 - Fri, Oct 16

7:59 pm - 7:40 pmSAN San Diego-USM Ko Samui

33h 41m2 stops San Francisco Hong Kong Intl

11:55 am - 8:45 amUSM Ko Samui-SAN San Diego

34h 50m2 stops Hong Kong Intl San Francisco

$1,221Multiple Airlines

Fri, Sep 18 - Fri, Oct 16

7:59 pm - 7:40 pmSAN San Diego-USM Ko Samui

33h 41m2 stops San Francisco Hong Kong Intl

7:50 am - 9:58 pmUSM Ko Samui-SAN San Diego

28h 08m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,390Multiple Airlines

Thu, Oct 29 - Mon, Nov 2

12:40 pm - 8:10 amSAN San Diego-USM Ko Samui

29h 30m2 stops Tokyo Narita Bangkok Suvarnabhumi

7:00 pm - 9:45 amUSM Ko Samui-SAN San Diego

29h 45m2 stops Bangkok Suvarnabhumi Tokyo Narita

$1,614Japan Airlines

Fri, Sep 18 - Fri, Oct 16

9:05 am - 8:15 amSAN San Diego-USM Ko Samui

33h 10m3 stops San Francisco Hong Kong Intl Bangkok Suvarnabhumi

7:50 am - 9:58 pmUSM Ko Samui-SAN San Diego

28h 08m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$1,864Multiple Airlines

Thu, Oct 29 - Mon, Nov 2

7:00 pm - 9:05 pmSAN San Diego-USM Ko Samui

36h 05m2 stops London Heathrow Singapore Changi

4:25 pm - 4:10 pmUSM Ko Samui-SAN San Diego

38h 45m2 stops Singapore Changi London Heathrow

$2,224British Airways

Booking Insights

Price, demand and travel trends for San Diego to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from San Diego to Ko Samui with more confidence.

What is the cheapest airline to fly from San Diego to Ko Samui?

Japan Airlines ($1,614) and British Airways ($2,224) are the cheapest airlines to fly round-trip from San Diego to Ko Samui according to KAYAK data over the last 5 days.

Find deals

Cheapest flight	$1,221

Flight from San Diego to Ko Samui

When to book flights from San Diego to Ko Samui

Are your dates flexible? Find out the best times to travel from San Diego to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from San Diego to Ko Samui?
Flights from San Diego to Ko Samui usually depart from San Diego (SAN) and arrive at Ko Samui (USM).
What cabin classes can I book on flights from San Diego to Ko Samui?
Only Economy Class is available on flights from San Diego to Ko Samui.
What popular places can I visit in Ko Samui?
Some of the most popular sights in Ko Samui are Lamai Beach, Chaweng Beach and Fishermans Village. These are among the most viewed places in Ko Samui on KAYAK.
Do I need a passport to fly from San Diego to Ko Samui?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from San Diego to Ko Samui changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $1,221 to $2,224. That means the highest observed fare was about 82% higher than the lowest one.
What is the time difference between San Diego and Ko Samui?
Ko Samui is 14 hours ahead of San Diego (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Ko Samui Airport (USM)?
Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
· Drive Car Rental
· Alamo
· Sixt
· Enterprise Rent-A-Car
· Hertz

If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.
- Ozo Chaweng Samui - Sha Extra Plus
- Hyatt Regency Koh Samui
- Amari Koh Samui

Everything you need to know for your flight from San Diego to Ko Samui

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on your arrival and departure airports

San Diego (SAN)

Ko Samui (USM)

SAN - USM

$1,221 Find Cheap Flights from San Diego to Ko Samui - Compare and Save

Everything you should know

Cheap Flights from San Diego to Ko Samui (SAN-USM)

Recent round-trip flight deals from San Diego to Ko Samui

Recent one-way flight deals from San Diego to Ko Samui

Recent last minute flight deals from San Diego to Ko Samui

Price, demand and travel trends for San Diego to Ko Samui flights

What is the cheapest airline to fly from San Diego to Ko Samui?

Key details for San Diego to Ko Samui flights

Cheapest flight

When to book flights from San Diego to Ko Samui

Your San Diego to Ko Samui flight questions, answered

Your guide to booking San Diego to Ko Samui flights

Everything you need to know for your flight from San Diego to Ko Samui

Information on your arrival and departure airports

Cabin class types available on flights from San Diego to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car rental

Find direct flights to and from San Diego and Ko Samui

Flights to other popular destinations

Flights from domestic origins to Ko Samui

Choose which airport to fly into in Ko Samui