$689 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Samui Intl. Airport (USM)

View $689 flight on Mon, Mar 30, 2026Opens 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 $689 for one-way flights and $1,049 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Thu, May 7 - Thu, May 21
EWR
New York
USM
Koh Samui
$1,049 Roundtrip, found 4 days ago
$1,049
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Thu, May 7 from New York to Koh Samui, returning Thu, May 21, priced at $1,049 found 4 days ago
Turkish Airlines
Fri, Oct 23 - Mon, Oct 26
EWR
New York
USM
Koh Samui
$1,125 Roundtrip, found 11 hours ago
$1,125
Roundtrip
found 11 hours ago
Select Turkish Airlines flight, departing Fri, Oct 23 from New York to Koh Samui, returning Mon, Oct 26, priced at $1,125 found 11 hours ago
United
Tue, Apr 21 - Tue, Apr 28
EWR
New York
USM
Koh Samui
$1,126 Roundtrip, found 5 days ago
$1,126
Roundtrip
found 5 days ago
Select United flight, departing Tue, Apr 21 from New York to Koh Samui, returning Tue, Apr 28, priced at $1,126 found 5 days ago
United
Tue, Apr 21 - Tue, Apr 28
EWR
New York
USM
Koh Samui
$1,144 Roundtrip, found 5 days ago
$1,144
Roundtrip
found 5 days ago
Select United flight, departing Tue, Apr 21 from New York to Koh Samui, returning Tue, Apr 28, priced at $1,144 found 5 days ago
United
Thu, Jan 22 - Thu, Feb 5
EWR
New York
USM
Koh Samui
$1,172 Roundtrip, found 18 hours ago
$1,172
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Jan 22 from New York to Koh Samui, returning Thu, Feb 5, priced at $1,172 found 18 hours ago
United
Wed, Sep 16 - Sun, Sep 20
EWR
New York
USM
Koh Samui
$1,176 Roundtrip, found 3 days ago
$1,176
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 16 from New York to Koh Samui, returning Sun, Sep 20, priced at $1,176 found 3 days ago
United
Thu, Jan 22 - Wed, Jan 28
EWR
New York
USM
Koh Samui
$1,182 Roundtrip, found 1 day ago
$1,182
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 22 from New York to Koh Samui, returning Wed, Jan 28, priced at $1,182 found 1 day ago
Air Canada
Tue, Jan 27 - Thu, Feb 5
EWR
New York
USM
Koh Samui
$1,239 Roundtrip, found 20 hours ago
$1,239
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Tue, Jan 27 from New York to Koh Samui, returning Thu, Feb 5, priced at $1,239 found 20 hours ago
Swiss International Air Lines
Wed, May 6 - Wed, May 20
EWR
New York
USM
Koh Samui
$1,593 Roundtrip, found 4 days ago
$1,593
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Wed, May 6 from New York to Koh Samui, returning Wed, May 20, priced at $1,593 found 4 days ago
Lufthansa
Thu, May 7 - Thu, May 21
EWR
New York
USM
Koh Samui
$1,604 Roundtrip, found 4 days ago
$1,604
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Thu, May 7 from New York to Koh Samui, returning Thu, May 21, priced at $1,604 found 4 days 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 $5,561
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city center31 min
Flights from $5,561
Flights from Newark Liberty Intl. Airport (EWR) to Samui Intl. Airport (USM)
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
Roundtrip price
$1,049
Distance
8945 mi

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 $689 or cheap return flight from $1,049 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)?
May 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.

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