How long does it take to fly to Ko Samui?

Flight times vary depending on what airport in United States you fly out of and what airport in Ko Samui you fly into. For example, flying from Los Angeles to Ko Samui takes 21h 10m on average. On the other hand, flying from New York to Ko Samui takes 22h 45m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to Ko Samui?

Singapore Airlines, EVA Air and Qatar Airways are the top three most popular airlines that fly to Ko Samui from United States according to our data. Singapore Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Ko Samui. Keep in mind that there are 3 different airlines that fly to Ko Samui on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from United States to Ko Samui?

Singapore Airlines, EVA Air, and Turkish Airlines are the most popular carriers operating from United States to Ko Samui

When did momondo last update prices for flights from United States to Ko Samui Airport?

Prices for flights from United States to Ko Samui Airport refresh daily.

How many operators does momondo search for flights from United States to Ko Samui Airport?

There are 2 operators available for flights from United States to Ko Samui Airport as of September 2025.

How old do you have to be to fly from United States 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 United States to Ko Samui Airport.

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

The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$399 Cheap Flights from the United States to Ko Samui in 2025/26

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Find the cheapest flights from the United States to Ko Samui

Round-trip

One-way

Last minute

Recent round-trip flight deals from the United States to Ko Samui

10:05 pm - 5:10 pmLAX-USM

28h 05m1 stop

8:45 am - 9:50 pmUSM-LAX

27h 05m1 stop

$691Singapore Airlines

Find Deal

Tue, Mar 3 - Tue, Mar 31

12:25 pm - 8:00 amLAX-USM

28h 35m2 stops

8:45 am - 9:50 pmUSM-LAX

27h 05m1 stop

$704Singapore Airlines

Find Deal

Tue, Mar 3 - Tue, Mar 31

12:45 am - 3:10 pmSFO-USM

24h 25m2 stops

7:00 am - 4:00 pmUSM-SFO

23h 00m2 stops

$943EVA Air

Find Deal

Mon, Oct 13 - Tue, Oct 21

1:10 am - 8:50 pmSFO-USM

29h 40m2 stops

1:55 pm - 6:40 pmUSM-SFO

19h 45m2 stops

$944EVA Air

Find Deal

Tue, Oct 21 - Tue, Nov 11

12:50 am - 8:30 pmLAX-USM

29h 40m2 stops

9:10 pm - 7:00 amUSM-LAX

23h 50m2 stops

$963Multiple Airlines

Find Deal

Wed, Oct 22 - Sun, Oct 26

12:00 pm - 7:10 amSFO-USM

28h 10m2 stops

7:00 am - 5:40 amUSM-SFO

37h 40m2 stops

$992Multiple Airlines

Find Deal

Fri, Feb 27 - Sun, Mar 8

3:45 pm - 10:10 amJFK-USM

31h 25m2 stops

7:00 pm - 4:05 pmUSM-JFK

32h 05m2 stops

$1,002Etihad Airways

Find Deal

Thu, Oct 9 - Tue, Oct 21

10:05 pm - 10:45 amIAD-USM

25h 40m2 stops

7:35 pm - 4:50 pmUSM-IAD

32h 15m2 stops

$1,081Etihad Airways

Find Deal

Wed, Oct 1 - Fri, Oct 31

1:20 am - 2:55 pmJFK-USM

25h 35m2 stops

5:40 pm - 8:00 amUSM-JFK

26h 20m2 stops

$1,170Qatar Airways

Find Deal

Mon, Nov 17 - Tue, Nov 25

5:05 pm - 10:40 amSEA-USM

27h 35m2 stops

6:15 pm - 11:40 amUSM-SEA

32h 25m2 stops

$1,334Qatar Airways

Find Deal

Fri, Oct 31 - Fri, Nov 7

Etihad Airways flights from United States to Ko Samui

Our best Etihad Airways deals on United States to Ko Samui flight tickets

Etihad Airways

Oct 9

JFK3:45 pmNew York John F Kennedy Intl

31h 25m

2 stops

USM10:10 amKo Samui

Oct 21

USM7:00 pmKo Samui

32h 05m

2 stops

JFK4:05 pmNew York John F Kennedy Intl

$1,002

Find similar

Etihad Airways

Oct 1

IAD10:05 pmWashington, D.C. Dulles Intl

25h 40m

2 stops

USM10:45 amKo Samui

Oct 31

USM7:35 pmKo Samui

32h 15m

2 stops

IAD4:50 pmWashington, D.C. Dulles Intl

$1,081

Find similar

Etihad Airways

Oct 19

ORD1:55 pmChicago O'Hare Intl

29h 25m

2 stops

USM7:20 amKo Samui

Nov 9

USM8:20 pmKo Samui

48h 35m

2 stops

ORD7:55 amChicago O'Hare Intl

$1,085

Find similar

Cathay Pacific flights from United States to Ko Samui

Our best Cathay Pacific deals on United States to Ko Samui flight tickets

Cathay Pacific

Oct 16

LAX12:30 amLos Angeles

28h 05m

1 stop

USM6:35 pmKo Samui

Oct 23

USM10:55 amKo Samui

19h 30m

1 stop

LAX4:25 pmLos Angeles

$1,464

Find similar

Cathay Pacific

Oct 9

JFK10:00 amNew York John F Kennedy Intl

21h 35m

1 stop

USM6:35 pmKo Samui

Oct 20

USM10:55 amKo Samui

37h 15m

1 stop

JFK1:10 pmNew York John F Kennedy Intl

$1,529

Find similar

Cathay Pacific

Sep 23

LAX12:30 amLos Angeles

28h 05m

1 stop

USM6:35 pmKo Samui

Oct 1

USM10:55 amKo Samui

25h 10m

1 stop

LAX10:05 pmLos Angeles

$1,626

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from the United States to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Tue 3/3

10:05 pm-5:10 pm

1 stop28h 05m

Ko Samui

Tue 3/31

8:45 am-9:50 pm

1 stop27h 05m

$691

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Tue 3/3

12:25 pm-8:00 am

2 stops28h 35m

Ko Samui

Tue 3/31

8:45 am-9:50 pm

1 stop27h 05m

$704

San FranciscoKo Samui

SFO - USM

SFOUSM

San Francisco

Mon 10/13

12:45 am-3:10 pm

2 stops24h 25m

Ko Samui

Tue 10/21

7:00 am-4:00 pm

2 stops23h 00m

$943

San FranciscoKo Samui

SFO - USM

SFOUSM

San Francisco

Tue 10/21

1:10 am-8:50 pm

2 stops29h 40m

Ko Samui

Tue 11/11

1:55 pm-6:40 pm

2 stops19h 45m

$944

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Wed 10/22

12:50 am-8:30 pm

2 stops29h 40m

Ko Samui

Sun 10/26

9:10 pm-7:00 am

2 stops23h 50m

$963

San FranciscoKo Samui

SFO - USM

SFOUSM

San Francisco

Fri 2/27

12:00 pm-7:10 am

2 stops28h 10m

Ko Samui

Sun 3/8

7:00 am-5:40 am

2 stops37h 40m

$992

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Thu 10/9

3:45 pm-10:10 am

2 stops31h 25m

Ko Samui

Tue 10/21

7:00 pm-4:05 pm

2 stops32h 05m

$1,002

Washington, D.C.Ko Samui

IAD - USM

IADUSM

Washington, D.C. Dulles Intl

Wed 10/1

10:05 pm-10:45 am

2 stops25h 40m

Ko Samui

Fri 10/31

7:35 pm-4:50 pm

2 stops32h 15m

$1,081

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Mon 11/17

1:20 am-2:55 pm

2 stops25h 35m

Ko Samui

Tue 11/25

5:40 pm-8:00 am

2 stops26h 20m

$1,170

SeattleKo Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

Fri 10/31

5:05 pm-10:40 am

2 stops27h 35m

Ko Samui

Fri 11/7

6:15 pm-11:40 am

2 stops32h 25m

$1,334

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States 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

Other information

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

Our data shows that Saturday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $244. Flights from United States to Ko Samui on a Sunday will generally be more expensive and average around $374. 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 United States to Ko Samui flights are usually those with departure times in the afternoon. Our users have found flights to Ko Samui in the afternoon for as low as $257. At noon is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $411 per ticket.

Can stopping save me money on United States to Ko Samui flights?

You could potentially save up to 23% on your flight if you consider stops on a United States to Ko Samui flight.

Cheap United States to Ko Samui flight deals and tips

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

Direct flights	None

There are no direct flights from United States to Ko Samui. There are no popular flight routes from United States to Ko Samui.

Search flight deals

When did momondo last update prices for flights from United States to Ko Samui Airport?
Prices for flights from United States to Ko Samui Airport refresh daily.
How many operators does momondo search for flights from United States to Ko Samui Airport?
There are 2 operators available for flights from United States to Ko Samui Airport as of September 2025.
How old do you have to be to fly from United States 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 United States to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from United States to Ko Samui

Compare and see reviews for airlines that fly from United States to Ko Samui with momondo

Airline	Rating	Free Cancellation	Price
Singapore Airlines	PriceFrom $756	Free Cancellation	Rating 8.1 1,369 reviews	Search Singapore Airlines flights
EVA Air	PriceFrom $1,045	Free Cancellation	Rating 8.4 1,237 reviews	Search EVA Air flights
Qatar Airways	PriceFrom $1,584	Free Cancellation	Rating 7.4 3,624 reviews	Search Qatar Airways flights

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

Why should I use momondo to find a flight deal from United States to Ko Samui?

It is quick and easy to find United States to Ko Samui flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ko Samui that suits you.

Can I find flights from United States to Ko Samui with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United States to Ko Samui flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to Ko Samui?

Once all potential United States 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 United States to Ko Samui right now. Can momondo alert me if prices change?

Price alerts on flights to Ko Samui from United States 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.