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 Chaweng Beach, Lamai Beach, and Bophut Beach. 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, return flight prices on this route showed a wide range, from about ฿86,939 to ฿293,892. That means the highest observed fare was about 3x 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.

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

Singapore Airlines (฿89,504) and Cathay Pacific (฿293,892) are the cheapest airlines to fly return from San Diego to Ko Samui according to KAYAK data over the last 5 days.

฿86,939 CHEAP FLIGHTS from San Diego to Ko Samui (SAN - USM)

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

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

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One-way

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Recent return flight deals from San Diego to Ko Samui

Fri 12 Mar - Sat 20 Mar

16:49 - 14:55SAN San Diego-USM Ko Samui

31h 06m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

14:05 - 13:46USM Ko Samui-SAN San Diego

37h 41m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl San Francisco

฿86,939Multiple Airlines

Fri 12 Mar - Sat 20 Mar

10:44 - 18:15SAN San Diego-USM Ko Samui

40h 31m2 stops New York John F Kennedy Intl Singapore Changi

16:25 - 18:51USM Ko Samui-SAN San Diego

64h 26m2 stops Singapore Changi New York John F Kennedy Intl

฿89,504Singapore Airlines

Fri 12 Mar - Sat 20 Mar

12:40 - 18:15SAN San Diego-USM Ko Samui

62h 35m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi

18:30 - 15:55USM Ko Samui-SAN San Diego

35h 25m2 stops Bangkok Suvarnabhumi Vancouver Intl

฿132,467Multiple Airlines

Fri 12 Mar - Sat 20 Mar

16:45 - 19:35SAN San Diego-USM Ko Samui

59h 50m2 stops Vancouver Intl Hong Kong Intl

11:40 - 15:55USM Ko Samui-SAN San Diego

42h 15m2 stops Hong Kong Intl Vancouver Intl

฿214,040Multiple Airlines

Fri 12 Mar - Sat 20 Mar

19:00 - 07:45SAN San Diego-USM Ko Samui

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

11:40 - 08:24USM Ko Samui-SAN San Diego

34h 44m2 stops Hong Kong Intl San Francisco

฿293,892Cathay Pacific

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?: Singapore Airlines (฿89,504) and Cathay Pacific (฿293,892) are the cheapest airlines to fly return from San Diego to Ko Samui according to KAYAK data over the last 5 days.

Find deals

Cheapest flight	฿86,939

Return 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 return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns 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, return flight prices on this route showed a wide range, from about ฿86,939 to ฿293,892. That means the highest observed fare was about 3x higher than the lowest one.
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 14 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 Chaweng Beach, Lamai Beach, and Bophut Beach. 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
• Royal Muang Samui Villas

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SAN - USM

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Everything you should know

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

Recent return 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

Which airline is the cheapest 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

More options for your flight from San Diego to Ko Samui

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

Information on your arrival and departure airports

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

Flights from domestic origins to Ko Samui

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