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Ko Samui

$889+ Cheap flights from Newark (EWR) to Ko Samui (USM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — USM
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Newark to Ko Samui

Cheapest flights from Newark to Ko Samui
Explore the most affordable flight options available from Newark to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This FlightHub deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:35 amEWR - USM
1 stop34h 25mSingapore Airlines
Sat 12/277:45 pmUSM - EWR
1 stop21h 45mSingapore Airlines
Deal found 12/10$2,670
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:05 pmEWR - USM
2 stops39h 00mLufthansa
Thu 12/258:20 pmUSM - EWR
2 stops34h 45mLufthansa
Deal found 12/10$2,786
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:35 pmEWR - USM
2 stops38h 30mBritish Airways
Sun 12/284:25 pmUSM - EWR
2 stops33h 25mBritish Airways
Deal found 12/10$2,897
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:35 amEWR - USM
1 stop34h 25mSingapore Airlines
Sat 12/276:05 pmUSM - EWR
1 stop23h 25mSingapore Airlines
Deal found 12/10$2,972
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:05 pmEWR - USM
2 stops39h 00mLufthansa
Fri 12/264:25 pmUSM - EWR
2 stops38h 40mLufthansa
Deal found 12/10$2,993
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:05 pmEWR - USM
2 stops39h 00mLufthansa
Sun 12/284:25 pmUSM - EWR
2 stops38h 40mLufthansa
Deal found 12/10$3,255
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:05 pmEWR - USM
2 stops39h 00mLufthansa
Sat 12/278:20 pmUSM - EWR
2 stops34h 45mLufthansa
Deal found 12/10$3,256
This IEagle deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:35 amEWR - USM
1 stop34h 25mSingapore Airlines
Sun 12/287:45 pmUSM - EWR
1 stop21h 45mSingapore Airlines
Deal found 12/10$3,289
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:05 pmEWR - USM
2 stops39h 00mLufthansa
Tue 12/304:25 pmUSM - EWR
2 stops38h 40mLufthansa
Deal found 12/10$3,304
This Orbitz deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:45 pmEWR - USM
3 stops30h 30mMultiple Airlines
Sun 12/287:00 pmUSM - EWR
3 stops38h 10mMultiple Airlines
Deal found 12/10$3,601
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:05 pmEWR - USM
2 stops39h 00mLufthansa
Wed 12/314:25 pmUSM - EWR
2 stops35h 35mLufthansa
Deal found 12/10$3,612

Find flight deals from Newark to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$1,407
(KAYAK)

One-way from

$889
(Gurufare)
Provider with most accurate pricing for Newark-Ko Samui flight deals.
Search Deals
Provider most trusted by Cheapflights users for Newark-Ko Samui flights.
Search Deals
From Newark to Ko Samui
Search Deals
One-way flight from Newark to Ko Samui
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark 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, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Newark Airport to Ko Samui that are best for you.

Fly from

Newark

Fly to

Ko Samui

Route

Depart

Return

Price

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Thu 5/14

9:35 am-5:20 pm

1 stop44h 45m

Ko Samui

Fri 5/29

8:45 am-6:00 am

1 stop32h 15m

$1,407

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Sun 5/3

11:55 pm-4:55 pm

3 stops54h 00m

Ko Samui

Sat 5/16

8:00 am-9:20 pm

3 stops48h 20m

$1,412

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Sun 5/3

9:35 am-6:50 pm

1 stop22h 15m

Ko Samui

Sat 5/16

6:15 pm-6:00 am

1 stop22h 45m

$1,430

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Thu 5/14

9:35 am-10:10 am

1 stop37h 35m

Ko Samui

Fri 5/29

3:25 pm-6:00 am

2 stops25h 35m

$1,539

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Fri 5/8

9:35 am-6:50 pm

1 stop22h 15m

Ko Samui

Sun 5/31

6:15 pm-6:00 am

1 stop22h 45m

$1,575

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Tue 4/7

9:45 pm-5:05 pm

3 stops32h 20m

$889

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Tue 1/6

6:25 pm-9:20 am

2 stops26h 55m

$1,176

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Tue 1/6

9:35 am-5:10 pm

1 stop43h 35m

$2,156

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Thu 12/18

11:45 pm-6:15 pm

3 stops30h 30m

$4,695

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Newark to Ko Samui

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Newark to Ko Samui in December.
ProviderPrice AccuracyTrust Score*
GotogatePrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Newark Airport-Ko Samui flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Newark Airport-Ko Samui flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Newark Airport-Ko Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-Ko Samui flights, Cheapflights users trust Gotogate the most. Gotogate has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-Ko Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Newark to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Newark with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to Ko Samui

What is the cheapest time of day to fly from EWR to USM?

Find hourly flight availability from Newark to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Newark Airport to Ko Samui in the evening. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Newark Airport to Ko Samui?

Use this chart to determine the cheapest time to fly round-trip from Newark to Ko Samui. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Newark Airport to Ko Samui flight should consider departing on Saturday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Newark Airport to Ko Samui flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Newark Airport to Ko Samui trip
Airlines
United Airlines

United's Polaris Class offers lie-flat seats and Saks Fifth Avenue bedding for ultimate comfort.


United's Premium Plus includes extra legroom, upgraded meals, and two checked bags on international flights.

Read more about United AirlinesBy Harriet Baskas
Spirit Airlines

Spirit's Big Front Seats offer 11 extra inches of legroom, ideal for long-haul comfort.


Use Spirit's Bag-O-Tron tool to compare baggage fees and save money on checked bags.

Read more about Spirit AirlinesBy Daniel Scheffler
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more

Related info for your journey

Find useful and relevant information for your journey from Newark to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ko Samui from Newark?

    Ko Samui (USM), located 2.1 mi from the city center, is the airport you fly into when you book flights from Newark to Ko Samui. 0 airlines have flights to Ko Samui from Newark on a regular basis. Booking flights from Newark to Ko Samui should not be difficult; the airport handles an average of 0 inbound flights from Newark per day.

  • How long is the flight from Newark Airport to Ko Samui?

    For as low as $1,407, Singapore Airlines can have you in Ko Samui from Newark Airport in 44h 45m. The distance from Newark Airport to Ko Samui is about 8939 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Newark to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Newark to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Newark to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Ko Samui.

  • Can I find deals for business class flights from Newark to Ko Samui?

    Yes. Cheapflights offers flight deals from Newark to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Ko Samui?

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

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