$457 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Samui Intl. Airport (USM)

View $457 flight on Fri, Oct 17, 2025Opens in a new window

Popular airlines from Newark Liberty Intl. Airport (EWR) to Samui Intl. Airport (USM)

Cheap Flights from Newark Liberty Intl. Airport to Samui Intl. Airport (EWR-USM)

Prices were available within the past 7 days and start at $457 for one-way flights and $728 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Oct 7 - Wed, Oct 22
EWR
New York
USM
Koh Samui
$728 Roundtrip, found 3 days ago
$728
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 7 from New York to Koh Samui, returning Wed, Oct 22, priced at $728 found 3 days ago
United
Mon, Oct 20 - Mon, Nov 3
EWR
New York
USM
Koh Samui
$736 Roundtrip, found 19 hours ago
$736
Roundtrip
found 19 hours ago
Select United flight, departing Mon, Oct 20 from New York to Koh Samui, returning Mon, Nov 3, priced at $736 found 19 hours ago
United
Tue, Oct 7 - Wed, Oct 22
EWR
New York
USM
Koh Samui
$739 Roundtrip, found 3 days ago
$739
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 7 from New York to Koh Samui, returning Wed, Oct 22, priced at $739 found 3 days ago
United
Mon, Oct 20 - Mon, Nov 3
EWR
New York
USM
Koh Samui
$747 Roundtrip, found 19 hours ago
$747
Roundtrip
found 19 hours ago
Select United flight, departing Mon, Oct 20 from New York to Koh Samui, returning Mon, Nov 3, priced at $747 found 19 hours ago
United
Tue, Oct 7 - Wed, Oct 22
EWR
New York
USM
Koh Samui
$748 Roundtrip, found 3 days ago
$748
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 7 from New York to Koh Samui, returning Wed, Oct 22, priced at $748 found 3 days ago
United
Mon, Oct 20 - Mon, Nov 3
EWR
New York
USM
Koh Samui
$756 Roundtrip, found 19 hours ago
$756
Roundtrip
found 19 hours ago
Select United flight, departing Mon, Oct 20 from New York to Koh Samui, returning Mon, Nov 3, priced at $756 found 19 hours ago
Emirates
Wed, Nov 26 - Tue, Dec 16
EWR
New York
USM
Koh Samui
$1,644 Roundtrip, found 15 hours ago
$1,644
Roundtrip
found 15 hours ago
Select Emirates flight, departing Wed, Nov 26 from New York to Koh Samui, returning Tue, Dec 16, priced at $1,644 found 15 hours ago
Turkish Airlines
Sun, Oct 19 - Wed, Nov 5
EWR
New York
USM
Koh Samui
$1,665 Roundtrip, found 15 hours ago
$1,665
Roundtrip
found 15 hours ago
Select Turkish Airlines flight, departing Sun, Oct 19 from New York to Koh Samui, returning Wed, Nov 5, priced at $1,665 found 15 hours ago
Lufthansa
Sun, Nov 23 - Wed, Dec 10
EWR
New York
USM
Koh Samui
$1,671 Roundtrip, found 15 hours ago
$1,671
Roundtrip
found 15 hours ago
Select Lufthansa flight, departing Sun, Nov 23 from New York to Koh Samui, returning Wed, Dec 10, priced at $1,671 found 15 hours ago
Austrian Airlines
Sun, May 3 - Mon, May 18
EWR
New York
USM
Koh Samui
$1,674 Roundtrip, found 20 hours ago
$1,674
Roundtrip
found 20 hours ago
Select Austrian Airlines flight, departing Sun, May 3 from New York to Koh Samui, returning Mon, May 18, priced at $1,674 found 20 hours ago

Alternative airports near Koh Samui

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city center is 31 minutes. Flights from $1,819
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city center31 min
Flights from $1,819

Frequently asked questions

How much does a flight from Liberty Intl. Airport (EWR) to Ko Samui Airport (USM) cost?
Lock in a cheap one-way flight from $457 or cheap return flight from $728 from Liberty Intl. Airport (EWR) to Ko Samui Airport (USM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Liberty Intl. Airport (EWR) to Ko Samui Airport (USM)?
October is the most affordable month to fly from EWR to USM. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from Liberty Intl. Airport (EWR) to Ko Samui Airport (USM)?
To find the cheapest airline flying from EWR to USM, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Liberty Intl. Airport (EWR) to Ko Samui Airport (USM)?
You'll need to book a flight with a layover if you're traveling from Liberty Intl. Airport (EWR) to Ko Samui Airport (USM). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from EWR to USM?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Liberty Intl. Airport (EWR) to Ko Samui Airport (USM)?
To avoid potential delays on the Liberty Intl. Airport (EWR) to Ko Samui Airport (USM) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Liberty Intl. Airport (EWR) to Ko Samui Airport (USM) last-minute?
Booking your ticket from EWR to USM right before your getaway is usually more expensive. But if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book an EWR to USM flight and hotel package?
Compared with arranging flights and hotels separately, booking an EWR to USM flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of travel planning. Simply pick your flights and select from our wide range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Liberty Intl. Airport (EWR) to Ko Samui Airport (USM)?
If you reserved your EWR to USM flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Newark Liberty Intl. Airport
Destination airport
Samui Intl. Airport
Airlines serving
Air France, Austrian Airlines, British Airways, Emirates, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$727
Distance
8945 mi

Book with confidence

Book with confidence

Newark Liberty Intl. Airport to Samui Intl. Airport Flights

The cheapest times to fly from Newark Liberty Intl. Airport to Samui Intl. Airport

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Newark Liberty Intl. Airport to Samui Intl. Airport are during the month of October. You can find some of the cheapest flights from Newark Liberty Intl. Airport to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Newark Liberty Intl. Airport to Samui Intl. Airport

Sunday is one of the best days to book for cheap flights from Newark Liberty Intl. Airport to Samui Intl. Airport: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Newark Liberty Intl. Airport to Samui Intl. Airport

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Newark Liberty Intl. Airport to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $457 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Newark Liberty Intl. Airport to Samui Intl. Airport flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Newark Liberty Intl. Airport to Samui Intl. Airport airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Newark Liberty Intl. Airport to Samui Intl. Airport Flights
*Available to One Key members.