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Ko Samui

$579+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — USM
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$860
(lol.travel)

One-way from

$739
(Mytrip)
From Newark to Ko Samui
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One-way flight from Newark to Ko Samui
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Find 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 September 11, 2025.

This lol.travel deal was found by Cheapflights users on 9/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:00 amEWR - USM
2 stops43h 05mMultiple Airlines
Sat 11/1511:40 amUSM - EWR
2 stops30h 19mMultiple Airlines
Deal found 9/11$860
This SmartFares deal was found by Cheapflights users on 9/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:30 amEWR - USM
2 stops43h 40mMultiple Airlines
Sun 11/27:00 amUSM - EWR
2 stops27h 30mMultiple Airlines
Deal found 9/10$1,078
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2212:30 amEWR - USM
2 stops44h 45mMultiple Airlines
Fri 9/267:00 pmUSM - EWR
2 stops38h 35mMultiple Airlines
Deal found 9/10$1,730
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:45 pmEWR - USM
3 stops27h 10mMultiple Airlines
Wed 12/102:30 pmUSM - EWR
3 stops42h 40mMultiple Airlines
Deal found 9/10$1,790
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:25 pmEWR - USM
2 stops30h 40mMultiple Airlines
Tue 12/237:30 pmUSM - EWR
2 stops33h 23mMultiple Airlines
Deal found 9/9$1,934
This IEagle deal was found by Cheapflights users on 9/10. 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.
Tue 9/239:00 amEWR - USM
3 stops46h 15mSingapore Airlines
Fri 9/267:25 pmUSM - EWR
1 stop21h 35mSingapore Airlines
Deal found 9/10$2,019

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 September 11, 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

Tue 11/11

6:00 am-1:05 pm

2 stops43h 05m

Ko Samui

Sat 11/15

11:40 am-5:59 am

2 stops30h 19m

$860

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Fri 10/24

12:30 am-7:10 am

2 stops43h 40m

Ko Samui

Sun 11/2

7:00 am-11:30 pm

2 stops27h 30m

$1,078

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Mon 9/22

12:30 am-8:15 am

2 stops44h 45m

Ko Samui

Fri 9/26

7:00 pm-10:35 pm

2 stops38h 35m

$1,730

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Fri 11/28

9:35 pm-8:25 pm

2 stops34h 50m

Ko Samui

Wed 12/10

7:10 pm-1:50 pm

2 stops30h 40m

$2,062

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Sat 12/6

12:25 am-8:50 pm

2 stops32h 25m

Ko Samui

Mon 12/22

3:50 pm-10:30 pm

2 stops42h 40m

$2,132

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Thu 10/30

3:23 pm-7:10 am

3 stops52h 47m

$579

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Mon 10/27

4:01 pm-7:10 am

3 stops52h 09m

$588

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Wed 10/29

6:55 am-1:50 pm

3 stops43h 55m

$596

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Fri 9/19

1:00 am-6:35 pm

2 stops30h 35m

$739

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Sun 10/26

1:25 am-3:10 pm

2 stops50h 45m

$783

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 15 results
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The best insider tips for Newark Airport to Ko Samui flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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

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 September 11, 2025.

It’s optimal to fly from Newark Airport to Ko Samui in the evening. By choosing this option you can save up to 35% 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.

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.

  • 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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