How does KAYAK find such low prices on flights from California to Ko Samui?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Ko Samui.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Ko Samui?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from California is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from California to Ko Samui?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ko Samui with an airline and back to California with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Ko Samui?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$440 CHEAP FLIGHTS from California to Ko Samui

Save 25% 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.

Flight Deals

Cheap Flights from California to Ko Samui

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 California to Ko Samui

Fri, Nov 27 - Mon, Dec 7

10:05 pm - 10:55 amLAX Los Angeles-USM Ko Samui

21h 50m1 stop Singapore Changi

8:55 am - 7:55 pmUSM Ko Samui-LAX Los Angeles

26h 00m1 stop Singapore Changi

$721Singapore Airlines

Wed, Jan 27 - Mon, Feb 22

9:40 am - 8:00 amSFO San Francisco-USM Ko Samui

31h 20m1 stop Singapore Changi

8:55 am - 7:50 amUSM Ko Samui-SFO San Francisco

37h 55m1 stop Singapore Changi

$807Singapore Airlines

Sun, Feb 21 - Mon, Mar 1

10:55 pm - 2:55 pmSFO San Francisco-USM Ko Samui

25h 00m2 stops Hong Kong Intl Bangkok Suvarnabhumi

4:30 pm - 9:15 pmUSM Ko Samui-SFO San Francisco

19h 45m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$819Multiple Airlines

Mon, Feb 22 - Mon, Mar 1

10:55 pm - 2:55 pmSFO San Francisco-USM Ko Samui

25h 00m2 stops Hong Kong Intl Bangkok Suvarnabhumi

4:30 pm - 9:15 pmUSM Ko Samui-SFO San Francisco

19h 45m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$819Multiple Airlines

Sun, Jan 17 - Mon, Jan 25

10:45 pm - 2:55 pmLAX Los Angeles-USM Ko Samui

25h 10m2 stops Hong Kong Intl Bangkok Suvarnabhumi

4:30 pm - 9:05 pmUSM Ko Samui-LAX Los Angeles

19h 35m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$821Multiple Airlines

Sun, Jan 17 - Wed, Feb 17

10:05 pm - 6:55 pmLAX Los Angeles-USM Ko Samui

29h 50m1 stop Singapore Changi

8:55 am - 7:55 pmUSM Ko Samui-LAX Los Angeles

26h 00m1 stop Singapore Changi

$850Singapore Airlines

Wed, Jan 27 - Mon, Feb 22

9:40 am - 6:55 pmSFO San Francisco-USM Ko Samui

42h 15m1 stop Singapore Changi

8:55 am - 7:50 amUSM Ko Samui-SFO San Francisco

37h 55m1 stop Singapore Changi

$850Singapore Airlines

Mon, Feb 22 - Tue, Mar 2

11:50 pm - 2:55 pmSFO San Francisco-USM Ko Samui

24h 05m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

2:05 pm - 6:40 pmUSM Ko Samui-SFO San Francisco

19h 35m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,197EVA Air

Wed, Feb 24 - Sun, Feb 28

11:50 pm - 2:55 pmSFO San Francisco-USM Ko Samui

24h 05m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

8:30 pm - 6:40 amUSM Ko Samui-SFO San Francisco

25h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,199EVA Air

Mon, Feb 22 - Sun, Feb 28

11:50 pm - 2:55 pmSFO San Francisco-USM Ko Samui

24h 05m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

8:30 pm - 6:40 amUSM Ko Samui-SFO San Francisco

25h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,199EVA Air

Useful Info

Low season	August
High season	September
Cheapest flight	$440

Best time to beat the crowds with an average 15% drop in price.

Most popular time to fly and prices are also 29% lower on average.

Flight from San Francisco to Ko Samui

How does KAYAK find such low prices on flights from California to Ko Samui?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Ko Samui.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Ko Samui?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from California is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from California to Ko Samui?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ko Samui with an airline and back to California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Ko Samui?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.