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.

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

According to our data, Delta 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.

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.

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

Historically, on average around 18% 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 137 minutes.

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

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

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 New York to Ko Samui takes 24h on average. On the other hand, flying from Boston to Ko Samui takes 27h 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, 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 60% 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.

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 3 operators available for flights from United States to Ko Samui Airport as of March 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.

$534 Cheap Flights from the United States to Ko Samui in 2026

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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

Enter your travel dates to find the best prices.

11:20 pm - 6:50 pm

LAX

USM

29h 30m

1 stop

8:40 am - 9:20 pm

USM

LAX

26h 40m

1 stop

$844Singapore Airlines

Sun, May 3 - Fri, May 15

11:30 pm - 5:20 pm

LAX

USM

27h 50m

1 stop

11:05 am - 9:50 pm

USM

LAX

24h 45m

1 stop

$865Singapore Airlines

Tue, Sep 1 - Tue, Sep 8

11:45 am - 6:50 pm

SFO

USM

41h 05m

1 stop

4:25 pm - 9:50 am

USM

SFO

31h 25m

1 stop

$873Multiple Airlines

Tue, Aug 25 - Tue, Sep 1

11:20 pm - 8:30 pm

LAX

USM

31h 10m

2 stops

6:00 am - 9:20 pm

USM

LAX

29h 20m

2 stops

$896Multiple Airlines

Wed, Apr 29 - Wed, May 6

2:10 am - 2:45 pm

SEA

USM

22h 35m

2 stops

9:00 pm - 7:40 pm

USM

SEA

36h 40m

2 stops

$991EVA Air

Sun, Aug 30 - Sun, Sep 6

10:50 pm - 1:45 pm

DFW

USM

26h 55m

2 stops

8:45 am - 7:55 pm

USM

DFW

23h 10m

2 stops

$1,003EVA Air

Fri, Aug 28 - Tue, Sep 8

4:25 pm - 8:15 am

BOS

USM

28h 50m

2 stops

8:50 pm - 2:40 pm

USM

BOS

28h 50m

2 stops

$1,118Etihad Airways

Thu, Sep 17 - Mon, Sep 21

4:25 pm - 6:15 pm

BOS

USM

38h 50m

2 stops

8:55 am - 2:40 pm

USM

BOS

64h 45m

2 stops

$1,260Etihad Airways

Wed, Apr 8 - Wed, Apr 15

4:25 pm - 6:00 pm

SEA

USM

35h 35m

2 stops

5:55 pm - 12:45 pm

USM

SEA

32h 50m

2 stops

$1,307Qatar Airways

Sun, Apr 5 - Tue, Apr 14

4:25 pm - 1:55 pm

SEA

USM

31h 30m

2 stops

8:20 am - 12:45 pm

USM

SEA

42h 25m

2 stops

$1,337Qatar Airways

Tue, Apr 7 - Thu, Apr 16

Singapore Airlines flights from United States to Ko Samui

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

Singapore Airlines

May 3

LAX11:20 pmLos Angeles Los Angeles

29h 30m

1 stop

USM6:50 pmKo Samui

May 15

USM8:40 amKo Samui

26h 40m

1 stop

LAX9:20 pmLos Angeles Los Angeles

$844

Singapore Airlines

Sep 1

LAX11:30 pmLos Angeles Los Angeles

27h 50m

1 stop

USM5:20 pmKo Samui

Sep 8

USM11:05 amKo Samui

24h 45m

1 stop

LAX9:50 pmLos Angeles Los Angeles

$865

Singapore Airlines

Sep 1

LAX11:30 pmLos Angeles Los Angeles

27h 50m

1 stop

USM5:20 pmKo Samui

Sep 8

USM11:05 amKo Samui

39h 45m

2 stops

LAX12:50 pmLos Angeles Los Angeles

$877

Turkish Airlines flights from United States to Ko Samui

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

Turkish Airlines

May 2

DFW4:25 pmDallas/Fort Worth

27h 50m

3 stops

USM8:15 amKo Samui

May 9

USM7:45 pmKo Samui

35h 50m

2 stops

DFW7:35 pmDallas/Fort Worth

$1,642

Turkish Airlines

Apr 4

SFO6:45 pmSan Francisco

36h 25m

2 stops

USM9:10 pmKo Samui

Apr 13

USM7:00 pmKo Samui

29h 50m

2 stops

SFO10:50 amSan Francisco

$2,167

Turkish Airlines

Mar 27

IAH10:05 pmHouston George Bush Intcntl

33h 05m

2 stops

USM7:10 pmKo Samui

Apr 2

USM8:20 amKo Samui

40h 25m

2 stops

IAH12:45 pmHouston George Bush Intcntl

$2,940

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles Los Angeles

Sun 5/3

11:20 pm-6:50 pm

1 stop29h 30m

Ko Samui

Fri 5/15

8:40 am-9:20 pm

1 stop26h 40m

$844

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles Los Angeles

Tue 9/1

11:30 pm-5:20 pm

1 stop27h 50m

Ko Samui

Tue 9/8

11:05 am-9:50 pm

1 stop24h 45m

$865

San FranciscoKo Samui

SFO - USM

SFOUSM

San Francisco

Tue 8/25

11:45 am-6:50 pm

1 stop41h 05m

Ko Samui

Tue 9/1

4:25 pm-9:50 am

1 stop31h 25m

$873

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles Los Angeles

Wed 4/29

11:20 pm-8:30 pm

2 stops31h 10m

Ko Samui

Wed 5/6

6:00 am-9:20 pm

2 stops29h 20m

$896

SeattleKo Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

Sun 8/30

2:10 am-2:45 pm

2 stops22h 35m

Ko Samui

Sun 9/6

9:00 pm-7:40 pm

2 stops36h 40m

$991

Quickest round-trip

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Fri 8/28

10:50 pm-1:45 pm

2 stops26h 55m

Ko Samui

Tue 9/8

8:45 am-7:55 pm

2 stops23h 10m

$1,003

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Thu 9/17

4:25 pm-8:15 am

2 stops28h 50m

Ko Samui

Mon 9/21

8:50 pm-2:40 pm

2 stops28h 50m

$1,118

BostonKo Samui

BOS - USM

BOSUSM

Boston Logan Intl

Wed 4/8

4:25 pm-6:15 pm

2 stops38h 50m

Ko Samui

Wed 4/15

8:55 am-2:40 pm

2 stops64h 45m

$1,260

SeattleKo Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

Sun 4/5

4:25 pm-6:00 pm

2 stops35h 35m

Ko Samui

Tue 4/14

5:55 pm-12:45 pm

2 stops32h 50m

$1,307

SeattleKo Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

Tue 4/7

4:25 pm-1:55 pm

2 stops31h 30m

Ko Samui

Thu 4/16

8:20 am-12:45 pm

2 stops42h 25m

$1,337

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 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 17% 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	22h 30m
Direct flights	None

The fastest flight from United States to Ko Samui takes 22h 30m

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 3 operators available for flights from United States to Ko Samui Airport as of March 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 $753	Free Cancellation	Rating 8.2 1,483 reviews	Search Singapore Airlines flights
EVA Air	PriceFrom $1,001	Free Cancellation	Rating 8.4 1,381 reviews	Search EVA Air flights
Etihad Airways	PriceFrom $1,377	Free Cancellation	Rating 7.3 1,429 reviews	Search Etihad Airways flights
Qatar Airways	PriceFrom $1,813	Free Cancellation	Rating 7.4 3,733 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 $534

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 8/22. 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 day to depart on your flight to Ko Samui?

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

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

Fastest flight time

Direct flights

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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

Airports servicing Thailand

Fly your favorite airline to Ko Samui

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ko Samui

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

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