HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ko Samui

$765+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — USM
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Newark to Ko Samui with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,632
(Expedia)

One-way from

$765
(Kiwi.com)

Popular in

December

Cheapest in

March
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
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($449 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($164 potential savings vs. average RT price).
Search Deals

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 April 15, 2025.

This Singapore Airlines deal was found by Cheapflights users on 4/15. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:35 amEWR - USM
1 stop35h 15mSingapore Airlines
Sun 10/268:55 amUSM - EWR
1 stop32h 35mSingapore Airlines
Deal found 4/15$1,323
This Orbitz deal was found by Cheapflights users on 4/15. 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.
Wed 8/2712:30 amEWR - USM
2 stops34h 05mMultiple Airlines
Mon 9/299:00 pmUSM - EWR
2 stops36h 35mMultiple Airlines
Deal found 4/15$1,343
This Emirates deal was found by Cheapflights users on 4/15. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2811:55 pmEWR - USM
3 stops30h 00mEmirates
Mon 9/298:00 amUSM - EWR
3 stops48h 20mEmirates
Deal found 4/15$1,400
This StudentUniverse deal was found by Cheapflights users on 4/15. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/289:20 pmEWR - USM
3 stops33h 25mAustrian Airlines
Mon 9/297:15 pmUSM - EWR
2 stops29h 40mAustrian Airlines
Deal found 4/15$1,815
This SWISS deal was found by Cheapflights users on 4/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/179:50 pmEWR - USM
2 stops27h 55mSWISS
Sun 5/2510:05 amUSM - EWR
2 stops45h 05mSWISS
Deal found 4/14$1,836
This Air France deal was found by Cheapflights users on 4/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/185:00 pmEWR - USM
2 stops41h 10mAir France
Mon 6/308:45 amUSM - EWR
2 stops41h 15mAir France
Deal found 4/15$2,015
This Gurufare deal was found by Cheapflights users on 4/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/119:25 pmEWR - USM
2 stops57h 50mBritish Airways
Sun 5/184:25 pmUSM - EWR
2 stops32h 30mBritish Airways
Deal found 4/14$2,110
This FlightHub deal was found by Cheapflights users on 4/14. 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.
Wed 7/912:30 amEWR - USM
2 stops32h 55mTurkish Airlines
Mon 7/218:00 amUSM - EWR
2 stops49h 35mTurkish Airlines
Deal found 4/14$2,425
This Lufthansa deal was found by Cheapflights users on 4/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/28:30 pmEWR - USM
2 stops33h 35mLufthansa
Thu 5/157:30 pmUSM - EWR
2 stops28h 05mLufthansa
Deal found 4/14$2,928

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 April 15, 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

Wed 5/28

12:30 am-6:00 pm

2 stops30h 30m

Ko Samui

Thu 6/5

8:50 pm-10:35 pm

2 stops36h 45m

$1,632

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Sat 5/17

9:50 pm-12:45 pm

2 stops27h 55m

Ko Samui

Sun 5/25

10:05 am-8:10 pm

2 stops45h 05m

$1,836

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Wed 6/18

5:00 pm-9:10 pm

2 stops41h 10m

Ko Samui

Mon 6/30

8:45 am-3:00 pm

2 stops41h 15m

$2,015

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Thu 6/5

5:40 pm-6:30 pm

2 stops37h 50m

Ko Samui

Thu 6/19

7:15 pm-1:55 pm

2 stops29h 40m

$2,103

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Sun 5/11

9:25 pm-6:15 pm

2 stops57h 50m

Ko Samui

Sun 5/18

4:25 pm-1:55 pm

2 stops32h 30m

$2,110

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Mon 4/28

9:35 am-9:10 pm

1 stop24h 35m

Ko Samui

Mon 5/12

8:45 am-6:00 am

1 stop32h 15m

$2,376

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Wed 7/9

12:30 am-8:25 pm

2 stops32h 55m

Ko Samui

Mon 7/21

8:00 am-10:35 pm

2 stops49h 35m

$2,425

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Thu 5/29

11:55 pm-9:10 pm

3 stops34h 15m

Ko Samui

Thu 6/5

2:00 pm-9:20 pm

3 stops42h 20m

$2,491

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Fri 5/2

8:30 pm-5:05 pm

2 stops33h 35m

Ko Samui

Thu 5/15

7:30 pm-12:35 pm

2 stops28h 05m

$2,928

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Mon 5/26

9:00 am-7:20 am

3 stops59h 20m

$765

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 14 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars

*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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Newark Airport-Ko Samui flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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 April 15, 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.

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ko Samui ranges from 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Ko Samui when rainfall is around 2.3 in.

Temperature in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated April 15, 2025.
Singapore Airlines
8.1
Very good
1,288 reviews

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.7

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Singapore Airlines
8.1
Very good
1,288 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.7

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Emirates
8.0
Very good
3,198 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.7

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Austrian Airlines
7.6
Good
775 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.7

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Air France
7.5
Good
1,435 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.7

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
SWISS
7.5
Good
1,578 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Entertainment

8.0

Overall

8.1

Comfort

7.9

Food

7.7

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

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.

  • What are the cheapest airlines flying from Newark Airport to Ko Samui round-trip?

    According to our current data, SWISS ($1,836), Air France ($2,015), and Austrian Airlines ($2,103) offers the cheapest pricing from Newark Airport to Ko Samui.

  • What are the cheapest airlines to fly from Newark Airport to Ko Samui one-way?

    The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $1,257. However, be on the lookout for offers from Emirates and Singapore Airlines, as they are both options that can get you from Newark Airport to Ko Samui for a low price.

  • 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 Newark Airport?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Newark to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Suvarnabhumi flights
Newark to Suvarnabhumi flights
LaGuardia to Suvarnabhumi flights
John F Kennedy Intl to Don Mueang Intl flights
John F Kennedy Intl to Phuket City flights
Newark to Phuket City flights
LaGuardia to Phuket City flights
John F Kennedy Intl to Chiang Mai flights
Newark to Don Mueang Intl flights
Newark to Chiang Mai flights
John F Kennedy Intl to Ko Samui flights
John F Kennedy Intl to Krabi flights
LaGuardia to Chiang Mai flights
Newark to Krabi flights
John F Kennedy Intl to Hat Yai flights
John F Kennedy Intl to Rayong flights
Stewart to Suvarnabhumi flights
John F Kennedy Intl to Chiang Rai flights
Newark to Chiang Rai flights
John F Kennedy Intl to Surat Thani flights
Newark to Surat Thani flights
Stewart to Phuket City flights
LaGuardia to Don Mueang Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.