What is the cheapest airline that flies from San Jose to Ko Samui?

Cathay Pacific is the most popular carrier operating from San Jose to Ko Samui

When did momondo last update prices for flights from San Jose Airport to Ko Samui Airport?

Prices for flights from San Jose Airport to Ko Samui Airport were last updated today.

How old do you have to be to fly from San Jose Airport to Ko Samui Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Jose Airport to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$91 Cheap Flights from San Jose to Ko Samui in 2025

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Find the cheapest flights from San Jose to Ko Samui

Round-trip

One-way

Cheap round-trip flights

12:10 pm - 7:50 amSJC-USM

29h 40m2 stops

12:05 pm - 10:10 amUSM-SJC

36h 05m2 stops

$1,238

Find Deal

Sun, Sep 14 - Sun, Sep 21

12:10 pm - 6:30 pmSJC-USM

40h 20m3 stops

8:45 am - 10:10 amUSM-SJC

39h 25m2 stops

$1,259

Find Deal

Sun, Sep 14 - Sun, Sep 21

12:10 pm - 4:45 pmSJC-USM

38h 35m3 stops

8:45 am - 10:10 amUSM-SJC

39h 25m3 stops

$1,305

Find Deal

Sun, Sep 14 - Sun, Sep 21

6:15 am - 6:35 pmSJC-USM

46h 20m2 stops

10:55 am - 9:58 amUSM-SJC

37h 03m2 stops

$1,674

Find Deal

Thu, Sep 11 - Thu, Sep 18

10:35 am - 1:10 pmSJC-USM

36h 35m2 stops

4:25 pm - 6:25 pmUSM-SJC

40h 00m3 stops

$1,704

Find Deal

Thu, Sep 11 - Thu, Sep 18

8:57 am - 6:15 pmSJC-USM

42h 18m2 stops

4:25 pm - 12:08 pmUSM-SJC

34h 43m2 stops

$1,738Singapore Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 8

1:00 pm - 9:10 pmSJC-USM

42h 10m2 stops

1:30 pm - 2:15 pmUSM-SJC

38h 45m2 stops

$1,902Singapore Airlines

Find Deal

Thu, Sep 18 - Mon, Sep 22

7:14 am - 7:20 amSJC-USM

34h 06m3 stops

5:55 pm - 2:45 pmUSM-SJC

34h 50m3 stops

$2,126

Find Deal

Thu, Sep 11 - Thu, Sep 18

1:00 pm - 9:10 pmSJC-USM

42h 10m2 stops

1:30 pm - 10:43 pmUSM-SJC

47h 13m3 stops

$2,183Singapore Airlines

Find Deal

Thu, Sep 18 - Mon, Sep 22

7:53 pm - 6:35 pmSJC-USM

32h 42m2 stops

10:55 am - 10:13 amUSM-SJC

37h 18m2 stops

$5,930Cathay Pacific

Find Deal

Sat, Oct 4 - Wed, Oct 15

Singapore Airlines flights from San Jose to Ko Samui

Our best Singapore Airlines deals on San Jose to Ko Samui flight tickets

Singapore Airlines

Dec 1

SJC8:57 amSan Jose

42h 18m

2 stops

USM6:15 pmKo Samui

Dec 8

USM4:25 pmKo Samui

34h 43m

2 stops

SJC12:08 pmSan Jose

$1,738

Find similar

Singapore Airlines

Sep 18

SJC1:00 pmSan Jose

42h 10m

2 stops

USM9:10 pmKo Samui

Sep 22

USM1:30 pmKo Samui

38h 45m

2 stops

SJC2:15 pmSan Jose

$1,902

Find similar

Singapore Airlines

Sep 18

SJC1:00 pmSan Jose

42h 10m

2 stops

USM9:10 pmKo Samui

Sep 22

USM1:30 pmKo Samui

47h 13m

3 stops

SJC10:43 pmSan Jose

$2,183

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San JoseKo Samui

SJC - USM

SJCUSM

San Jose

Sun 9/14

12:10 pm-7:50 am

2 stops29h 40m

Ko Samui

Sun 9/21

12:05 pm-10:10 am

2 stops36h 05m

$1,238

San JoseKo Samui

SJC - USM

SJCUSM

San Jose

Sun 9/14

12:10 pm-6:30 pm

3 stops40h 20m

Ko Samui

Sun 9/21

8:45 am-10:10 am

2 stops39h 25m

$1,259

San JoseKo Samui

SJC - USM

SJCUSM

San Jose

Sun 9/14

12:10 pm-4:45 pm

3 stops38h 35m

Ko Samui

Sun 9/21

8:45 am-10:10 am

3 stops39h 25m

$1,305

San JoseKo Samui

SJC - USM

SJCUSM

San Jose

Thu 9/11

6:15 am-6:35 pm

2 stops46h 20m

Ko Samui

Thu 9/18

10:55 am-9:58 am

2 stops37h 03m

$1,674

San JoseKo Samui

SJC - USM

SJCUSM

San Jose

Thu 9/11

10:35 am-1:10 pm

2 stops36h 35m

Ko Samui

Thu 9/18

4:25 pm-6:25 pm

3 stops40h 00m

$1,704

San JoseKo Samui

SJC - USM

SJCUSM

San Jose

Mon 12/1

8:57 am-6:15 pm

2 stops42h 18m

Ko Samui

Mon 12/8

4:25 pm-12:08 pm

2 stops34h 43m

$1,738

San JoseKo Samui

SJC - USM

SJCUSM

San Jose

Thu 9/18

1:00 pm-9:10 pm

2 stops42h 10m

Ko Samui

Mon 9/22

1:30 pm-2:15 pm

2 stops38h 45m

$1,902

San JoseKo Samui

SJC - USM

SJCUSM

San Jose

Thu 9/11

7:14 am-7:20 am

3 stops34h 06m

Ko Samui

Thu 9/18

5:55 pm-2:45 pm

3 stops34h 50m

$2,126

San JoseKo Samui

SJC - USM

SJCUSM

San Jose

Thu 9/18

1:00 pm-9:10 pm

2 stops42h 10m

Ko Samui

Mon 9/22

1:30 pm-10:43 pm

3 stops47h 13m

$2,183

San JoseKo Samui

SJC - USM

SJCUSM

San Jose

Sat 10/4

7:53 pm-6:35 pm

2 stops32h 42m

Ko Samui

Wed 10/15

10:55 am-10:13 am

2 stops37h 18m

$5,930

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Jose to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Ko Samui?

Our data shows that Sunday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $172. Flights from San Jose to Ko Samui on a Friday will generally be more expensive and average around $519. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest San Jose to Ko Samui flights are usually those with departure times in the morning. Our users have found flights to Ko Samui in the morning for as low as $456. In the evening is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $556 per ticket.

When to book flights from San Jose to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from San Jose to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Jose to Ko Samui (SJC to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Jose to Ko Samui

Best Price Found	$876
Fastest flight time	29h 40m
Direct flights	None
Airports in Ko Samui	1 airport

The best one-way flight to Ko Samui from San Jose in the past 72 hours is $876. The best round-trip flight deal from San Jose to Ko Samui found on momondo in the last 72 hours is $1,238.

The fastest flight from San Jose to Ko Samui takes 29h 40m

There are no direct flights from San Jose to Ko Samui. Popular non-direct route for this connection is San Jose Airport - Ko Samui Airport.

There is 1 airport near Ko Samui: Ko Samui (USM)

Search flight deals

How far is San Jose to Ko Samui by plane?
The distance between San Jose and Ko Samui is about 8208.0 mi. Flights usually cover this in 29h 40m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from San Jose Airport to Ko Samui Airport?
Prices for flights from San Jose Airport to Ko Samui Airport were last updated today.
How old do you have to be to fly from San Jose Airport to Ko Samui Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Jose Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

Why should I use momondo to find a flight deal from San Jose to Ko Samui?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Jose to Ko Samui. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Jose to Ko Samui with flexible booking policies on momondo?

Flights from San Jose to Ko Samui with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Jose to Ko Samui?

momondo helps you find the best flight between San Jose and Ko Samui by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Jose to Ko Samui right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Jose to Ko Samui now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ko Samui and let you know when they change.