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Cheap flights from Newark Airport to Ko Samui from $721

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Newark Airport to Ko Samui departing on 9/21. 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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Find the cheapest flights from Newark Airport to Ko Samui

Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
9:35 am - 6:50 pm
EWR
-
USM
22h 15m
1 stop
Singapore Airlines Logo
11:05 am - 6:00 am
USM
-
EWR
29h 55m
1 stop
$1,316Singapore Airlines
Wed, Oct 14 - Wed, Oct 21
Singapore Airlines Logo
9:35 am - 6:50 pm
EWR
-
USM
22h 15m
1 stop
Singapore Airlines Logo
6:15 pm - 6:00 am
USM
-
EWR
22h 45m
1 stop
$1,364Singapore Airlines
Thu, Oct 1 - Sun, Oct 11
Singapore Airlines Logo
9:35 am - 6:50 pm
EWR
-
USM
22h 15m
1 stop
Singapore Airlines Logo
6:15 pm - 6:00 am
USM
-
EWR
22h 45m
1 stop
$1,380Singapore Airlines
Thu, Oct 1 - Sun, Oct 11
Singapore Airlines Logo
9:35 am - 6:50 pm
EWR
-
USM
22h 15m
1 stop
Singapore Airlines Logo
6:15 pm - 6:00 am
USM
-
EWR
22h 45m
1 stop
$1,425Singapore Airlines
Sun, Oct 4 - Sun, Oct 18
Emirates Logo
11:55 pm - 9:35 pm
EWR
-
USM
34h 40m
3 stops
Emirates Logo
7:00 pm - 9:20 pm
USM
-
EWR
37h 20m
3 stops
$1,446Emirates
Mon, Oct 19 - Thu, Oct 22
Emirates Logo
11:45 pm - 8:10 am
EWR
-
USM
44h 25m
3 stops
Emirates Logo
2:05 pm - 9:10 pm
USM
-
EWR
43h 05m
3 stops
$1,477Emirates
Sun, Nov 8 - Wed, Nov 18
Singapore Airlines Logo
9:35 am - 6:50 pm
EWR
-
USM
22h 15m
1 stop
Singapore Airlines Logo
11:05 am - 6:00 am
USM
-
EWR
29h 55m
1 stop
$1,511Singapore Airlines
Sun, Aug 23 - Thu, Sep 3
Multiple Airlines Logo
12:25 am - 2:45 pm
EWR
-
USM
27h 20m
2 stops
Multiple Airlines Logo
9:00 pm - 10:30 pm
USM
-
EWR
36h 30m
2 stops
$1,584Multiple Airlines
Sat, Oct 3 - Sun, Oct 18
Multiple Airlines Logo
1:25 am - 2:55 pm
EWR
-
USM
25h 30m
2 stops
Multiple Airlines Logo
1:45 pm - 9:05 am
USM
-
EWR
31h 20m
2 stops
$1,585Multiple Airlines
Sat, Nov 7 - Wed, Nov 18
Singapore Airlines Logo
9:35 am - 6:50 pm
EWR
-
USM
22h 15m
1 stop
Singapore Airlines Logo
6:15 pm - 6:00 am
USM
-
EWR
22h 45m
1 stop
$1,589Singapore Airlines
Mon, Oct 19 - Thu, Oct 22

Singapore Airlines flights from Newark Airport to Ko Samui

Our best Singapore Airlines deals on Newark Airport to Ko Samui flight tickets
Singapore Airlines
Oct 14
EWR9:35 amNewark
22h 15m
1 stop
USM6:50 pmKo Samui
Oct 21
USM11:05 amKo Samui
29h 55m
1 stop
EWR6:00 amNewark
$1,316
Singapore Airlines
Oct 1
EWR9:35 amNewark
22h 15m
1 stop
USM6:50 pmKo Samui
Oct 11
USM6:15 pmKo Samui
22h 45m
1 stop
EWR6:00 amNewark
$1,364
Singapore Airlines
Oct 1
EWR9:35 amNewark
22h 15m
1 stop
USM6:50 pmKo Samui
Oct 11
USM6:15 pmKo Samui
22h 45m
1 stop
EWR6:00 amNewark
$1,380

British Airways flights from Newark Airport to Ko Samui

Our best British Airways deals on Newark Airport to Ko Samui flight tickets
British Airways
Oct 14
EWR9:25 pmNewark
33h 50m
2 stops
USM6:15 pmKo Samui
Oct 21
USM7:10 pmKo Samui
29h 45m
2 stops
EWR1:55 pmNewark
$2,089
British Airways
Sep 24
EWR5:50 pmNewark
37h 25m
2 stops
USM6:15 pmKo Samui
Sep 28
USM1:30 pmKo Samui
35h 25m
2 stops
EWR1:55 pmNewark
$2,114
British Airways
Oct 1
EWR9:25 pmNewark
33h 50m
2 stops
USM6:15 pmKo Samui
Oct 11
USM7:15 pmKo Samui
29h 40m
2 stops
EWR1:55 pmNewark
$2,128

momondo Fare Finder

 
Customize your flight search to find flights from Newark Airport to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 26, 2026.
Use the filters below to find and compare flights from Newark Airport to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Wed 10/14

9:35 am-6:50 pm

1 stop22h 15m

Ko Samui

Wed 10/21

11:05 am-6:00 am

1 stop29h 55m

$1,316
Quickest round-trip

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Thu 10/1

9:35 am-6:50 pm

1 stop22h 15m

Ko Samui

Sun 10/11

6:15 pm-6:00 am

1 stop22h 45m

$1,364

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Thu 10/1

9:35 am-6:50 pm

1 stop22h 15m

Ko Samui

Sun 10/11

6:15 pm-6:00 am

1 stop22h 45m

$1,380

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Sun 10/4

9:35 am-6:50 pm

1 stop22h 15m

Ko Samui

Sun 10/18

6:15 pm-6:00 am

1 stop22h 45m

$1,425

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Mon 10/19

11:55 pm-9:35 pm

3 stops34h 40m

Ko Samui

Thu 10/22

7:00 pm-9:20 pm

3 stops37h 20m

$1,446

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Sun 11/8

11:45 pm-8:10 am

3 stops44h 25m

Ko Samui

Wed 11/18

2:05 pm-9:10 pm

3 stops43h 05m

$1,477

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Sun 8/23

9:35 am-6:50 pm

1 stop22h 15m

Ko Samui

Thu 9/3

11:05 am-6:00 am

1 stop29h 55m

$1,511

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Sat 10/3

12:25 am-2:45 pm

2 stops27h 20m

Ko Samui

Sun 10/18

9:00 pm-10:30 pm

2 stops36h 30m

$1,584

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Sat 11/7

1:25 am-2:55 pm

2 stops25h 30m

Ko Samui

Wed 11/18

1:45 pm-9:05 am

2 stops31h 20m

$1,585

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Mon 10/19

9:35 am-6:50 pm

1 stop22h 15m

Ko Samui

Thu 10/22

6:15 pm-6:00 am

1 stop22h 45m

$1,589

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ko Samui from

How to get the cheapest flight ticket from Newark Airport 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

How often are flights from Newark to Ko Samui delayed?

Historically, on average around 16% of flights between Newark and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 144 minutes.

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

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

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 Newark to Ko Samui flights?

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

When to book flights from Newark Airport to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Newark Airport to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Newark Airport to Ko Samui (EWR to USM) flight deals and tips

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

Fastest flight time

22h 15m

Direct flights

None
The fastest flight from Newark Airport to Ko Samui takes 22h 15m
There are no direct flights from Newark Airport to Ko Samui. There are no popular flight routes from Newark Airport to Ko Samui.
Search flight deals

Frequently asked questions about flying from Newark Airport to Ko Samui

  • How far is Newark to Ko Samui by plane?

    A flight from Newark to Ko Samui will travel around 8941.3 mi. A reasonable flight in good conditions will take 22h 15m.

  • When did momondo last update prices for flights from Newark Airport to Ko Samui Airport?

    Prices for flights from Newark Airport to Ko Samui Airport are updated daily.

  • How old do you have to be to fly from Newark 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 Newark 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.

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
Khanom

Why use momondo?

Why should I use momondo to find a flight deal from New York to Ko Samui?

Finding the right flight to Ko Samui from New York is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ko Samui quick and easy, saving you time and money.

Can I find flights from New York to Ko Samui with flexible booking policies on momondo?

Flights from New York to Ko Samui with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from New York to Ko Samui?

momondo helps you find the best flight between New York and Ko Samui by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Ko Samui, momondo offers a useful price alert feature which will track prices for flights to Ko Samui from New York and alert you when they change.

An easier way to manage your Ko Samui trip

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