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

Prices for flights from San Diego Airport to Ko Samui Airport are refreshed on a daily basis.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Ko Samui Airport.

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

The required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$67 Cheap Flights from San Diego to Ko Samui in 2025

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Find the cheapest flights from San Diego to Ko Samui

Round-trip

One-way

Cheap round-trip flights

4:00 pm - 1:10 pmSAN-USM

31h 10m2 stops

4:25 pm - 3:08 pmUSM-SAN

36h 43m2 stops

$802

Find Deal

jue., ago. 14 - lun., ago. 18

1:35 pm - 7:35 amSAN-USM

28h 00m2 stops

8:00 am - 11:35 amUSM-SAN

41h 35m2 stops

$1,175

Find Deal

jue., ago. 28 - jue., sep. 4

1:35 pm - 8:15 amSAN-USM

28h 40m2 stops

9:00 pm - 11:35 amUSM-SAN

28h 35m2 stops

$1,218

Find Deal

mar., sep. 2 - mié., sep. 17

6:15 am - 8:15 amSAN-USM

36h 00m3 stops

8:00 am - 8:01 pmUSM-SAN

26h 01m3 stops

$1,457

Find Deal

jue., ago. 14 - lun., ago. 18

6:15 am - 8:35 amSAN-USM

36h 20m3 stops

7:10 pm - 7:46 pmUSM-SAN

38h 36m3 stops

$1,475

Find Deal

jue., ago. 28 - jue., sep. 4

6:57 pm - 4:35 pmSAN-USM

31h 38m3 stops

8:00 am - 10:59 pmUSM-SAN

28h 59m3 stops

$1,479

Find Deal

mar., sep. 2 - mié., sep. 17

6:15 am - 6:15 pmSAN-USM

46h 00m2 stops

1:30 pm - 8:52 amUSM-SAN

57h 22m2 stops

$1,573Singapore Airlines

Find Deal

jue., sep. 18 - lun., sep. 22

6:15 am - 9:10 pmSAN-USM

48h 55m2 stops

3:50 pm - 11:35 amUSM-SAN

33h 45m3 stops

$1,628

Find Deal

jue., ago. 28 - jue., sep. 4

6:15 am - 7:35 amSAN-USM

35h 20m3 stops

7:25 pm - 1:20 pmUSM-SAN

31h 55m2 stops

$1,696

Find Deal

mar., sep. 2 - mié., sep. 17

6:15 am - 1:10 pmSAN-USM

40h 55m2 stops

8:00 am - 8:01 pmUSM-SAN

26h 01m3 stops

$1,936

Find Deal

jue., ago. 14 - lun., ago. 18

Fly from

Fly to

Route

Depart

Return

Price

San DiegoKo Samui

SAN - USM

SANUSM

San Diego

jue. 8/14

4:00 pm-1:10 pm

2 stops31h 10m

Ko Samui

lun. 8/18

4:25 pm-3:08 pm

2 stops36h 43m

$802

San DiegoKo Samui

SAN - USM

SANUSM

San Diego

jue. 8/28

1:35 pm-7:35 am

2 stops28h 00m

Ko Samui

jue. 9/4

8:00 am-11:35 am

2 stops41h 35m

$1,175

San DiegoKo Samui

SAN - USM

SANUSM

San Diego

mar. 9/2

1:35 pm-8:15 am

2 stops28h 40m

Ko Samui

mié. 9/17

9:00 pm-11:35 am

2 stops28h 35m

$1,218

San DiegoKo Samui

SAN - USM

SANUSM

San Diego

jue. 8/14

6:15 am-8:15 am

3 stops36h 00m

Ko Samui

lun. 8/18

8:00 am-8:01 pm

3 stops26h 01m

$1,457

San DiegoKo Samui

SAN - USM

SANUSM

San Diego

jue. 8/28

6:15 am-8:35 am

3 stops36h 20m

Ko Samui

jue. 9/4

7:10 pm-7:46 pm

3 stops38h 36m

$1,475

San DiegoKo Samui

SAN - USM

SANUSM

San Diego

mar. 9/2

6:57 pm-4:35 pm

3 stops31h 38m

Ko Samui

mié. 9/17

8:00 am-10:59 pm

3 stops28h 59m

$1,479

San DiegoKo Samui

SAN - USM

SANUSM

San Diego

jue. 9/18

6:15 am-6:15 pm

2 stops46h 00m

Ko Samui

lun. 9/22

1:30 pm-8:52 am

2 stops57h 22m

$1,573

San DiegoKo Samui

SAN - USM

SANUSM

San Diego

jue. 8/28

6:15 am-9:10 pm

2 stops48h 55m

Ko Samui

jue. 9/4

3:50 pm-11:35 am

3 stops33h 45m

$1,628

San DiegoKo Samui

SAN - USM

SANUSM

San Diego

mar. 9/2

6:15 am-7:35 am

3 stops35h 20m

Ko Samui

mié. 9/17

7:25 pm-1:20 pm

2 stops31h 55m

$1,696

San DiegoKo Samui

SAN - USM

SANUSM

San Diego

jue. 8/14

6:15 am-1:10 pm

2 stops40h 55m

Ko Samui

lun. 8/18

8:00 am-8:01 pm

3 stops26h 01m

$1,936

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from San Diego 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

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

Our data shows that Thursday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $356. Flights from San Diego to Ko Samui on a Tuesday will generally be more expensive and average around $476. 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 Diego to Ko Samui flights are usually those with departure times in the evening. Our users have found flights to Ko Samui in the evening for as low as $363. In the afternoon is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $500 per ticket.

When to book flights from San Diego to Ko Samui

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

Estimated round-trip price

Cheap San Diego to Ko Samui (SAN to USM) flight deals and tips

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

Best Price Found	$802
Fastest flight time	28h 00m
Direct flights	None
Airports in Ko Samui	1 airport

The best flight deal from San Diego to Ko Samui found on momondo in the last 72 hours is $802

The fastest flight from San Diego to Ko Samui takes 28h 00m

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

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

Search flight deals

How far is San Diego to Ko Samui by plane?
A flight from San Diego to Ko Samui will travel around 8620.4 mi. A reasonable flight in good conditions will take 28h 00m.
When did momondo last update prices for flights from San Diego Airport to Ko Samui Airport?
Prices for flights from San Diego Airport to Ko Samui Airport are refreshed on a daily basis.
How old do you have to be to fly from San Diego Airport to Ko Samui Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to Ko Samui. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Ko Samui from San Diego which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential San Diego to Ko Samui flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Ko Samui from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.