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 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 showed a wide range, from about $1,483 to $8,281. That means the highest observed fare was about 6x higher than the lowest one.

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

Ko Samui is 15 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 averaging $29 for economy cars. Top options include: • Drive Car Rental • Alamo • Sixt • Enterprise Rent-A-Car • Thai Rent

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

Japan Airlines ($2,097) and Cathay Pacific ($2,262) are the cheapest airlines to fly round-trip from San Diego to Ko Samui according to KAYAK data over the last 5 days.

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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

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

Tue, Dec 1 - Sat, Dec 12

7:12 am - 7:45 amSAN San Diego-USM Ko Samui

33h 33m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

10:00 am - 8:08 pmUSM Ko Samui-SAN San Diego

25h 08m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl Los Angeles

$1,483Multiple Airlines

Tue, Dec 1 - Sat, Dec 12

6:43 pm - 7:35 amSAN San Diego-USM Ko Samui

45h 52m3 stops Seattle/Tacoma Intl Hong Kong Intl Bangkok Suvarnabhumi

8:40 pm - 4:10 pmUSM Ko Samui-SAN San Diego

34h 30m2 stops Bangkok Suvarnabhumi Vancouver Intl

$1,530Multiple Airlines

Tue, Dec 1 - Sat, Dec 12

8:59 pm - 7:35 pmSAN San Diego-USM Ko Samui

55h 36m2 stops San Francisco Hong Kong Intl

6:45 pm - 4:10 pmUSM Ko Samui-SAN San Diego

36h 25m2 stops Bangkok Suvarnabhumi Vancouver Intl

$1,669Multiple Airlines

Sun, May 9 - Wed, May 12

1:00 pm - 9:20 amSAN San Diego-USM Ko Samui

30h 20m2 stops Tokyo Narita Bangkok Suvarnabhumi

8:35 pm - 11:05 amUSM Ko Samui-SAN San Diego

28h 30m2 stops Bangkok Suvarnabhumi Tokyo Narita

$2,097Japan Airlines

Sun, May 9 - Wed, May 12

9:00 am - 7:40 pmSAN San Diego-USM Ko Samui

44h 40m2 stops San Francisco Hong Kong Intl

11:55 am - 8:23 amUSM Ko Samui-SAN San Diego

34h 28m2 stops Hong Kong Intl San Francisco

$2,262Cathay Pacific

Wed, Dec 23 - Wed, Dec 30

6:00 pm - 6:15 pmSAN San Diego-USM Ko Samui

33h 15m2 stops London Heathrow Singapore Changi

11:40 am - 4:10 pmUSM Ko Samui-SAN San Diego

43h 30m2 stops Hong Kong Intl London Heathrow

$2,638Multiple Airlines

Wed, Dec 23 - Wed, Dec 30

1:56 pm - 11:40 amSAN San Diego-USM Ko Samui

30h 44m3 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl Bangkok Suvarnabhumi

8:30 pm - 4:10 pmUSM Ko Samui-SAN San Diego

34h 40m2 stops Bangkok Suvarnabhumi Vancouver Intl

$3,601Multiple Airlines

Wed, Dec 23 - Wed, Dec 30

3:39 pm - 11:40 amSAN San Diego-USM Ko Samui

29h 01m3 stops Seattle/Tacoma Intl Manila Ninoy Aquino Intl Bangkok Suvarnabhumi

8:40 pm - 11:04 pmUSM Ko Samui-SAN San Diego

41h 24m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$3,738Multiple Airlines

Sat, Dec 12 - Fri, Jan 1

5:00 pm - 11:50 amSAN San Diego-USM Ko Samui

27h 50m2 stops Vancouver Intl Bangkok Suvarnabhumi

7:15 am - 3:55 pmUSM Ko Samui-SAN San Diego

47h 40m2 stops Bangkok Suvarnabhumi Vancouver Intl

$3,810Multiple Airlines

Sat, Dec 12 - Fri, Jan 1

7:51 pm - 4:25 pmSAN San Diego-USM Ko Samui

29h 34m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

7:55 am - 10:02 pmUSM Ko Samui-SAN San Diego

29h 07m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl

$4,191Multiple Airlines

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 with more confidence.

Which airline is the cheapest to fly from San Diego to Ko Samui?: Japan Airlines ($2,097) and Cathay Pacific ($2,262) 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	$1,483

Round-trip 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.

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 showed a wide range, from about $1,483 to $8,281. That means the highest observed fare was about 6x higher than the lowest one.
What car rental options are available at Ko Samui Airport (USM)?
Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates averaging $29 for economy cars. Top options include:

• Drive Car Rental
• Alamo
• Sixt
• Enterprise Rent-A-Car
• Thai Rent
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 is the time difference between San Diego and Ko Samui?
Ko Samui is 15 hours ahead of San Diego (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
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.

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
• Melia Koh Samui
• Amari Koh Samui

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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

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

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

Key details for San Diego to Ko Samui flights

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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

More options for your flight from San Diego to Ko Samui

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

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