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

Singapore Airlines, Qatar Airways, and Etihad Airways are the most popular carriers operating from United States to Ko Samui

What is the most punctual flight time for the United States to Ko Samui flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

How often are flights from the United States to Ko Samui delayed?

Historically, on average around 19% of flights between United States and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 121 minutes.

What airlines fly to Ko Samui?

Singapore Airlines, Qatar Airways and EVA Air 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 59% of people opting to fly with this airline when traveling to Ko Samui. Keep in mind that there are 4 different airlines that fly to Ko Samui on a routine basis, so you have a few additional options to choose from.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on the United States to Ko Samui flights?

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

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 San Francisco to Ko Samui takes 25h 15m on average. On the other hand, flying from New York to Ko Samui takes 25h 30m 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.

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 June 2026.

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.

$557 Cheap Flights from the United States to Ko Samui in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Ko Samui

Round-trip

One-way

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

Enter your travel dates to find the best prices.

9:15 pm - 5:20 pm

LAX

USM

30h 05m

1 stop

11:05 am - 7:40 pm

USM

LAX

22h 35m

1 stop

$787Singapore Airlines

Fri, Oct 2 - Fri, Oct 9

9:15 pm - 6:50 pm

LAX

USM

31h 35m

1 stop

8:40 am - 9:50 pm

USM

LAX

27h 10m

1 stop

$790Singapore Airlines

Sun, Oct 4 - Sun, Oct 11

7:50 pm - 5:10 pm

LAX

USM

30h 20m

1 stop

12:00 pm - 7:55 pm

USM

LAX

22h 55m

1 stop

$791Singapore Airlines

Wed, Nov 18 - Fri, Nov 27

9:15 pm - 8:50 pm

LAX

USM

33h 35m

2 stops

7:00 am - 7:10 pm

USM

LAX

26h 10m

2 stops

$942Multiple Airlines

Wed, Oct 14 - Wed, Oct 28

11:45 am - 11:40 am

SFO

USM

33h 55m

2 stops

6:00 am - 9:50 am

USM

SFO

41h 50m

2 stops

$981Multiple Airlines

Sun, Oct 4 - Sun, Oct 11

11:30 pm - 5:00 pm

ORD

USM

28h 30m

2 stops

7:00 am - 7:35 pm

USM

ORD

25h 35m

2 stops

$1,217EVA Air

Tue, Nov 24 - Tue, Dec 8

11:30 pm - 5:00 pm

ORD

USM

28h 30m

2 stops

7:00 am - 7:35 pm

USM

ORD

25h 35m

2 stops

$1,218EVA Air

Tue, Nov 24 - Tue, Dec 8

3:45 pm - 1:45 pm

JFK

USM

35h 00m

2 stops

11:25 am - 8:35 am

USM

JFK

32h 10m

2 stops

$1,388Etihad Airways

Fri, Sep 4 - Sat, Sep 12

5:50 pm - 11:40 am

RDU

USM

30h 50m

3 stops

9:00 pm - 8:27 pm

USM

RDU

34h 27m

3 stops

$2,017Qatar Airways

Wed, Jul 15 - Wed, Jul 22

5:44 pm - 10:30 am

RDU

USM

29h 46m

3 stops

7:45 pm - 8:27 pm

USM

RDU

35h 42m

3 stops

$2,079Qatar Airways

Thu, Jul 16 - Thu, Jul 23

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Singapore Airlines flights from United States to Ko Samui

Our best Singapore Airlines deals on United States to Ko Samui flight tickets

Singapore Airlines

Oct 2

LAX9:15 pmLos Angeles

30h 05m

1 stop

USM5:20 pmKo Samui

Oct 9

USM11:05 amKo Samui

22h 35m

1 stop

LAX7:40 pmLos Angeles

$787

Singapore Airlines

Oct 4

LAX9:15 pmLos Angeles

31h 35m

1 stop

USM6:50 pmKo Samui

Oct 11

USM8:40 amKo Samui

27h 10m

1 stop

LAX9:50 pmLos Angeles

$790

Singapore Airlines

Oct 5

LAX11:30 pmLos Angeles

29h 20m

1 stop

USM6:50 pmKo Samui

Oct 12

USM11:05 amKo Samui

24h 45m

1 stop

LAX9:50 pmLos Angeles

$811

Emirates flights from United States to Ko Samui

Our best Emirates deals on United States to Ko Samui flight tickets

Emirates

Oct 5

JFK11:00 pmNew York John F Kennedy Intl

32h 00m

2 stops

USM6:00 pmKo Samui

Oct 12

USM5:55 pmKo Samui

36h 00m

3 stops

JFK6:55 pmNew York John F Kennedy Intl

$1,396

Emirates

Oct 25

JFK11:00 pmNew York John F Kennedy Intl

31h 30m

2 stops

USM5:30 pmKo Samui

Oct 28

USM8:15 amKo Samui

41h 10m

2 stops

JFK2:25 pmNew York John F Kennedy Intl

$1,418

Emirates

Nov 15

EWR11:45 pmNewark

48h 50m

3 stops

USM12:35 pmKo Samui

Nov 19

USM8:15 amKo Samui

48h 55m

3 stops

EWR9:10 pmNewark

$1,446

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Fri 10/2

9:15 pm-5:20 pm

1 stop30h 05m

Ko Samui

Fri 10/9

11:05 am-7:40 pm

1 stop22h 35m

$787

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Sun 10/4

9:15 pm-6:50 pm

1 stop31h 35m

Ko Samui

Sun 10/11

8:40 am-9:50 pm

1 stop27h 10m

$790

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Wed 11/18

7:50 pm-5:10 pm

1 stop30h 20m

Ko Samui

Fri 11/27

12:00 pm-7:55 pm

1 stop22h 55m

$791

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Wed 10/14

9:15 pm-8:50 pm

2 stops33h 35m

Ko Samui

Wed 10/28

7:00 am-7:10 pm

2 stops26h 10m

$942

San FranciscoKo Samui

SFO - USM

SFOUSM

San Francisco

Sun 10/4

11:45 am-11:40 am

2 stops33h 55m

Ko Samui

Sun 10/11

6:00 am-9:50 am

2 stops41h 50m

$981

ChicagoKo Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Tue 11/24

11:30 pm-5:00 pm

2 stops28h 30m

Ko Samui

Tue 12/8

7:00 am-7:35 pm

2 stops25h 35m

$1,217

ChicagoKo Samui

ORD - USM

ORDUSM

Chicago O'Hare Intl

Tue 11/24

11:30 pm-5:00 pm

2 stops28h 30m

Ko Samui

Tue 12/8

7:00 am-7:35 pm

2 stops25h 35m

$1,218

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Fri 9/4

3:45 pm-1:45 pm

2 stops35h 00m

Ko Samui

Sat 9/12

11:25 am-8:35 am

2 stops32h 10m

$1,388

RaleighKo Samui

RDU - USM

RDUUSM

Raleigh-Durham

Wed 7/15

5:50 pm-11:40 am

3 stops30h 50m

Ko Samui

Wed 7/22

9:00 pm-8:27 pm

3 stops34h 27m

$2,017

RaleighKo Samui

RDU - USM

RDUUSM

Raleigh-Durham

Thu 7/16

5:44 pm-10:30 am

3 stops29h 46m

Ko Samui

Thu 7/23

7:45 pm-8:27 pm

3 stops35h 42m

$2,079

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

Delays

Other information

What is the cheapest month to fly to Ko Samui?

In general, October is the cheapest month to fly from United States to Ko Samui. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $735. If you don’t want to visit Ko Samui in October, then you should wait until November to fly from United States, when ticket prices are also cheap, with an average price of $753.

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

You could potentially save up to 10% 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

Fastest flight time	24h 25m
Direct flights	None

The fastest flight from United States to Ko Samui takes 24h 25m

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

Frequently asked questions about flying from the 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 June 2026.
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 $763	Free Cancellation	Rating 8.2 1,549 reviews	Search Singapore Airlines flights
EVA Air	PriceFrom $940	Free Cancellation	Rating 8.5 1,481 reviews	Search EVA Air flights
Etihad Airways	PriceFrom $1,377	Free Cancellation	Rating 7.3 1,461 reviews	Search Etihad Airways flights
Qatar Airways	PriceFrom $1,813	Free Cancellation	Rating 7.3 3,730 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.

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Cheap flights from the United States to Ko Samui from $487

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Ko Samui departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from United States to Ko Samui

What is the cheapest month to fly to Ko Samui?

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

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

What airlines fly to Ko Samui?

How often are flights from the United States to Ko Samui delayed?

What is the most punctual flight time for the United States to Ko Samui flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on the United States to Ko Samui flights?

How long does it take to fly to Ko Samui?

Cheap United States to Ko Samui flight deals and tips

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Frequently asked questions about flying from the United States to Ko Samui

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

Traveling to a place near Ko Samui?

Why use momondo?

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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List of cabin classes available on flights landing in Ko Samui. Availability may vary depending on flight origin and airline.

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