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 25h 35m on average. On the other hand, flying from Los Angeles to Ko Samui takes 25h 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.

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

Historically, on average around 15% 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 131 minutes.

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

Singapore Airlines, Etihad Airways, and EVA Air 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.

What airlines fly to Ko Samui?

Singapore Airlines, EVA Air and Etihad 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 80% 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 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, 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.

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 August 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.

$449 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

Last minute

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

Enter your travel dates to find the best prices.

9:45 am - 5:10 pm-

41h 25m

7:45 pm - 7:10 am-

26h 25m

$765Singapore Airlines

Thu, Oct 29 - Tue, Nov 10

10:05 pm - 5:10 pm-

28h 05m

8:55 am - 7:55 pm-

26h 00m

$804Singapore Airlines

Mon, Nov 16 - Sun, Nov 22

11:45 am - 6:50 pm-

41h 05m

6:05 pm - 8:50 am-

28h 45m

$833Singapore Airlines

Mon, Oct 19 - Mon, Oct 26

8:45 am - 8:00 am-

32h 15m

7:45 pm - 7:10 am-

26h 25m

$864Singapore Airlines

Fri, Nov 20 - Fri, Nov 27

1:20 pm - 5:00 pm-

36h 40m

7:00 am - 10:00 am-

42h 00m

$880Multiple Airlines

Sun, Nov 8 - Sat, Nov 14

11:50 pm - 5:05 pm-

27h 15m

6:00 am - 8:00 pm-

28h 00m

$919Multiple Airlines

Sun, Sep 13 - Sun, Sep 20

12:25 pm - 8:15 am-

29h 50m

6:25 pm - 10:05 am-

29h 40m

$922Multiple Airlines

Fri, Sep 11 - Wed, Sep 16

12:15 am - 1:45 pm-

25h 30m

5:35 pm - 8:25 pm-

38h 50m

$989EVA Air

Mon, Sep 14 - Tue, Sep 22

12:15 am - 2:45 pm-

26h 30m

6:00 am - 8:25 pm-

50h 25m

$1,022EVA Air

Mon, Sep 21 - Tue, Sep 29

12:15 am - 1:45 pm-

25h 30m

7:45 pm - 8:10 pm-

36h 25m

$1,023EVA Air

Sun, Oct 11 - Fri, Oct 23

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Turkish Airlines flights from United States to Ko Samui

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

Turkish Airlines

Oct 12

EWR12:25 amNewark

33h 25m

2 stops

USM8:50 pmKo Samui

Oct 20

USM7:50 amKo Samui

25h 40m

2 stops

EWR10:30 pmNewark

$1,259

Turkish Airlines

Sep 12

EWR12:25 amNewark

53h 10m

2 stops

USM4:35 pmKo Samui

Sep 16

USM8:00 amKo Samui

49h 30m

2 stops

EWR10:30 pmNewark

$1,277

Turkish Airlines

Sep 12

EWR12:25 amNewark

33h 00m

2 stops

USM8:25 pmKo Samui

Sep 16

USM8:00 amKo Samui

49h 30m

2 stops

EWR10:30 pmNewark

$1,280

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 29

SEA9:45 amSeattle/Tacoma Intl

41h 25m

1 stop

USM5:10 pmKo Samui

Nov 10

USM7:45 pmKo Samui

26h 25m

1 stop

SEA7:10 amSeattle/Tacoma Intl

$765

Singapore Airlines

Nov 16

LAX10:05 pmLos Angeles

28h 05m

1 stop

USM5:10 pmKo Samui

Nov 22

USM8:55 amKo Samui

26h 00m

1 stop

LAX7:55 pmLos Angeles

$804

Singapore Airlines

Oct 19

SFO11:45 amSan Francisco

41h 05m

1 stop

USM6:50 pmKo Samui

Oct 26

USM6:05 pmKo Samui

28h 45m

1 stop

SFO8:50 amSan Francisco

$833

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleKo Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

Thu 10/29

9:45 am-5:10 pm

1 stop41h 25m

Ko Samui

Tue 11/10

7:45 pm-7:10 am

1 stop26h 25m

$765

Quickest round-trip

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Mon 11/16

10:05 pm-5:10 pm

1 stop28h 05m

Ko Samui

Sun 11/22

8:55 am-7:55 pm

1 stop26h 00m

$804

San FranciscoKo Samui

SFO - USM

SFOUSM

San Francisco

Mon 10/19

11:45 am-6:50 pm

1 stop41h 05m

Ko Samui

Mon 10/26

6:05 pm-8:50 am

1 stop28h 45m

$833

SeattleKo Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

Fri 11/20

8:45 am-8:00 am

1 stop32h 15m

Ko Samui

Fri 11/27

7:45 pm-7:10 am

1 stop26h 25m

$864

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Sun 11/8

1:20 pm-5:00 pm

2 stops36h 40m

Ko Samui

Sat 11/14

7:00 am-10:00 am

2 stops42h 00m

$880

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Sun 9/13

11:50 pm-5:05 pm

2 stops27h 15m

Ko Samui

Sun 9/20

6:00 am-8:00 pm

2 stops28h 00m

$919

San FranciscoKo Samui

SFO - USM

SFOUSM

San Francisco

Fri 9/11

12:25 pm-8:15 am

2 stops29h 50m

Ko Samui

Wed 9/16

6:25 pm-10:05 am

2 stops29h 40m

$922

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Mon 9/14

12:15 am-1:45 pm

2 stops25h 30m

Ko Samui

Tue 9/22

5:35 pm-8:25 pm

2 stops38h 50m

$989

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Mon 9/21

12:15 am-2:45 pm

2 stops26h 30m

Ko Samui

Tue 9/29

6:00 am-8:25 pm

2 stops50h 25m

$1,022

DallasKo Samui

DFW - USM

DFWUSM

Dallas/Fort Worth

Sun 10/11

12:15 am-1:45 pm

2 stops25h 30m

Ko Samui

Fri 10/23

7:45 pm-8:10 pm

2 stops36h 25m

$1,023

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, September 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 $876. If you don’t want to visit Ko Samui in September, then you should wait until April to fly from United States, when ticket prices are also cheap, with an average price of $889.

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

You could potentially save up to 11% 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	21h 20m
Direct flights	None

The fastest flight from United States to Ko Samui takes 21h 20m

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 August 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 $813	Free Cancellation	Rating 8.2 1,584 reviews	Search Singapore Airlines flights
EVA Air	PriceFrom $940	Free Cancellation	Rating 8.5 1,511 reviews	Search EVA Air flights
Etihad Airways	PriceFrom $1,377	Free Cancellation	Rating 7.3 1,498 reviews	Search Etihad 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 $449

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 10/1. 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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Turkish Airlines flights from United States to Ko Samui

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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

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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

Fastest flight time

Direct flights

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

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.

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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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