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.

$368 CHEAP FLIGHTS from California to Ko Samui

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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

Wed, Oct 28 - Wed, Nov 4

11:05 pm - 6:50 pmLAX Los Angeles Los Angeles-USM Ko Samui

29h 45m1 stop Singapore Changi

12:00 pm - 7:55 pmUSM Ko Samui-LAX Los Angeles Los Angeles

22h 55m1 stop Singapore Changi

$794Singapore Airlines

Sun, Oct 18 - Sat, Oct 24

1:00 pm - 7:40 pmSFO San Francisco-USM Ko Samui

40h 40m1 stop Hong Kong Intl

11:55 am - 9:55 pmUSM Ko Samui-SFO San Francisco

24h 00m1 stop Hong Kong Intl

$816Cathay Pacific

Sun, Oct 18 - Thu, Oct 22

12:25 pm - 7:40 pmLAX Los Angeles Los Angeles-USM Ko Samui

41h 15m1 stop Hong Kong Intl

11:55 am - 4:30 pmUSM Ko Samui-LAX Los Angeles Los Angeles

18h 35m1 stop Hong Kong Intl

$818Cathay Pacific

Mon, Oct 19 - Sat, Oct 24

11:30 pm - 7:40 pmLAX Los Angeles Los Angeles-USM Ko Samui

30h 10m1 stop Hong Kong Intl

11:55 am - 10:05 pmUSM Ko Samui-LAX Los Angeles Los Angeles

24h 10m1 stop Hong Kong Intl

$818Cathay Pacific

Wed, Feb 24 - Thu, Mar 18

7:50 pm - 8:00 amLAX Los Angeles Los Angeles-USM Ko Samui

21h 10m1 stop Singapore Changi

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

26h 00m1 stop Singapore Changi

$860Singapore Airlines

Tue, Nov 3 - Wed, Nov 25

9:40 am - 5:10 pmSFO San Francisco-USM Ko Samui

40h 30m1 stop Singapore Changi

12:00 pm - 7:50 amUSM Ko Samui-SFO San Francisco

34h 50m1 stop Singapore Changi

$875Singapore Airlines

Tue, Mar 16 - Sat, May 1

10:40 am - 5:10 pmSFO San Francisco-USM Ko Samui

40h 30m1 stop Singapore Changi

8:40 am - 8:35 pmUSM Ko Samui-SFO San Francisco

25h 55m1 stop Singapore Changi

$925Singapore Airlines

Tue, Nov 3 - Thu, Nov 26

11:50 pm - 3:35 pmSFO San Francisco-USM Ko Samui

24h 45m2 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

$1,079EVA Air

Mon, Nov 2 - Wed, Nov 25

11:50 pm - 3:35 pmSFO San Francisco-USM Ko Samui

24h 45m2 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

$1,079EVA Air

Mon, Nov 2 - Thu, Nov 26

11:50 pm - 3:35 pmSFO San Francisco-USM Ko Samui

24h 45m2 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

$1,079EVA Air

Useful Info

Low season	December
High season	March
Cheapest flight	$368

Best time to beat the crowds but there is an average 9% increase in price.

Most popular time to fly and prices are also 18% 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.