Cheap Flights from Newark Liberty Intl. Airport (EWR) to Sihanoukville (KOS)

Popular airlines from Newark Liberty Intl. Airport (EWR) to Sihanoukville (KOS)

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Cheap Flights from Newark Liberty Intl. Airport to Sihanoukville (EWR-KOS)

Prices were available within the past 7 days and start at for one-way flights and $1,568 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Sun, Feb 1 - Sun, Feb 8
EWR
New York
KOS
Sihanoukville
$1,568 Roundtrip, found 2 days ago
$1,568
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Sun, Feb 1 from New York to Sihanoukville, returning Sun, Feb 8, priced at $1,568 found 2 days ago
Turkish Airlines
Fri, May 8 - Wed, May 13
EWR
New York
KOS
Sihanoukville
$1,717 Roundtrip, found 2 days ago
$1,717
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Fri, May 8 from New York to Sihanoukville, returning Wed, May 13, priced at $1,717 found 2 days ago
Turkish Airlines
Sun, Feb 1 - Sun, Feb 8
EWR
New York
KOS
Sihanoukville
$1,807 Roundtrip, found 2 days ago
$1,807
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Sun, Feb 1 from New York to Sihanoukville, returning Sun, Feb 8, priced at $1,807 found 2 days ago
Turkish Airlines
Wed, May 6 - Sat, Jun 6
EWR
New York
KOS
Sihanoukville
$2,001 Roundtrip, found 2 days ago
$2,001
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, May 6 from New York to Sihanoukville, returning Sat, Jun 6, priced at $2,001 found 2 days ago
Turkish Airlines
Mon, Apr 20 - Fri, Apr 24
EWR
New York
KOS
Sihanoukville
$2,023 Roundtrip, found 20 hours ago
$2,023
Roundtrip
found 20 hours ago
Select Turkish Airlines flight, departing Mon, Apr 20 from New York to Sihanoukville, returning Fri, Apr 24, priced at $2,023 found 20 hours ago
Emirates
Mon, Nov 3 - Mon, Nov 17
EWR
New York
KOS
Sihanoukville
$2,037 Roundtrip, found 5 days ago
$2,037
Roundtrip
found 5 days ago
Select Emirates flight, departing Mon, Nov 3 from New York to Sihanoukville, returning Mon, Nov 17, priced at $2,037 found 5 days ago
Emirates
Mon, Apr 20 - Fri, Apr 24
EWR
New York
KOS
Sihanoukville
$2,040 Roundtrip, found 20 hours ago
$2,040
Roundtrip
found 20 hours ago
Select Emirates flight, departing Mon, Apr 20 from New York to Sihanoukville, returning Fri, Apr 24, priced at $2,040 found 20 hours ago
Turkish Airlines
Tue, Dec 9 - Sun, Dec 14
EWR
New York
KOS
Sihanoukville
$2,041 Roundtrip, found 2 days ago
$2,041
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Tue, Dec 9 from New York to Sihanoukville, returning Sun, Dec 14, priced at $2,041 found 2 days ago
Emirates
Wed, May 6 - Sat, Jun 6
EWR
New York
KOS
Sihanoukville
$2,079 Roundtrip, found 2 days ago
$2,079
Roundtrip
found 2 days ago
Select Emirates flight, departing Wed, May 6 from New York to Sihanoukville, returning Sat, Jun 6, priced at $2,079 found 2 days ago
Emirates
Sun, Feb 1 - Sun, Feb 8
EWR
New York
KOS
Sihanoukville
$2,087 Roundtrip, found 2 days ago
$2,087
Roundtrip
found 2 days ago
Select Emirates flight, departing Sun, Feb 1 from New York to Sihanoukville, returning Sun, Feb 8, priced at $2,087 found 2 days ago
Emirates
Fri, May 8 - Wed, May 13
EWR
New York
KOS
Sihanoukville
$2,090 Roundtrip, found 2 days ago
$2,090
Roundtrip
found 2 days ago
Select Emirates flight, departing Fri, May 8 from New York to Sihanoukville, returning Wed, May 13, priced at $2,090 found 2 days ago
Turkish Airlines
Sun, Feb 1 - Sun, Feb 8
EWR
New York
KOS
Sihanoukville
$2,102 Roundtrip, found 2 days ago
$2,102
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Sun, Feb 1 from New York to Sihanoukville, returning Sun, Feb 8, priced at $2,102 found 2 days ago
Turkish Airlines
Mon, Nov 3 - Mon, Nov 17
EWR
New York
KOS
Sihanoukville
$2,103 Roundtrip, found 5 days ago
$2,103
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Mon, Nov 3 from New York to Sihanoukville, returning Mon, Nov 17, priced at $2,103 found 5 days ago
Emirates
Sat, Nov 1 - Sat, Nov 15
EWR
New York
KOS
Sihanoukville
$2,137 Roundtrip, found 4 days ago
$2,137
Roundtrip
found 4 days ago
Select Emirates flight, departing Sat, Nov 1 from New York to Sihanoukville, returning Sat, Nov 15, priced at $2,137 found 4 days ago
Emirates
Tue, Dec 9 - Sun, Dec 14
EWR
New York
KOS
Sihanoukville
$2,179 Roundtrip, found 2 days ago
$2,179
Roundtrip
found 2 days ago
Select Emirates flight, departing Tue, Dec 9 from New York to Sihanoukville, returning Sun, Dec 14, priced at $2,179 found 2 days ago
Turkish Airlines
Mon, Nov 3 - Mon, Nov 17
EWR
New York
KOS
Sihanoukville
$2,253 Roundtrip, found 5 days ago
$2,253
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Mon, Nov 3 from New York to Sihanoukville, returning Mon, Nov 17, priced at $2,253 found 5 days ago
Turkish Airlines
Wed, May 6 - Sat, Jun 6
EWR
New York
KOS
Sihanoukville
$2,706 Roundtrip, found 2 days ago
$2,706
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Wed, May 6 from New York to Sihanoukville, returning Sat, Jun 6, priced at $2,706 found 2 days ago
Turkish Airlines
Sun, Oct 5 - Mon, Oct 13
EWR
New York
KOS
Sihanoukville
$2,707 Roundtrip, found 2 days ago
$2,707
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Sun, Oct 5 from New York to Sihanoukville, returning Mon, Oct 13, priced at $2,707 found 2 days ago
Turkish Airlines
Mon, Apr 20 - Fri, Apr 24
EWR
New York
KOS
Sihanoukville
$2,718 Roundtrip, found 20 hours ago
$2,718
Roundtrip
found 20 hours ago
Select Turkish Airlines flight, departing Mon, Apr 20 from New York to Sihanoukville, returning Fri, Apr 24, priced at $2,718 found 20 hours ago
Turkish Airlines
Mon, Oct 6 - Mon, Oct 13
EWR
New York
KOS
Sihanoukville
$3,132 Roundtrip, found 2 days ago
$3,132
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Mon, Oct 6 from New York to Sihanoukville, returning Mon, Oct 13, priced at $3,132 found 2 days ago

Frequently asked questions

How much does a flight from Liberty Intl. Airport (EWR) to Sihanoukville Airport (KOS) cost?
Get a cheap one-way flight or cheap return flight from $1,568 from Liberty Intl. Airport (EWR) to Sihanoukville Airport (KOS) 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 Sihanoukville Airport (KOS)?
The cheapest month to fly from EWR to KOS is February, when there's less demand. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Liberty Intl. Airport (EWR) to Sihanoukville Airport (KOS)?
To find the cheapest airline that'll fly you from EWR to KOS, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Liberty Intl. Airport (EWR) to Sihanoukville Airport (KOS)?
Nonstop flights from Liberty Intl. Airport (EWR) to Sihanoukville Airport (KOS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from EWR to KOS?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the time of year, carrier 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 Sihanoukville Airport (KOS)?
Opt for a flight from Liberty Intl. Airport (EWR) to Sihanoukville Airport (KOS) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Sihanoukville Airport (KOS) last-minute?
Last-minute bookings from EWR to KOS are typically more expensive. To secure the cheapest rates, start looking for flights ahead of time. That said, if you can play around with your travel dates, it's possible to find a cheap fare right before your journey.
Is it cheaper to book an EWR to KOS flight and hotel package?
Compared with arranging flights and hotels separately, booking an EWR to KOS flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the stress out of planning your trip. Simply pick your flights and select from our wide range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Liberty Intl. Airport (EWR) to Sihanoukville Airport (KOS)?
If you booked your EWR to KOS flight within the last 24 hours, you may be able to cancel or modify it at no cost. 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, go to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Newark Liberty Intl. Airport
Destination airport
Sihanoukville
Roundtrip price
$1,568
Distance
8891 mi

Book with confidence

Book with confidence

Newark Liberty Intl. Airport to Sihanoukville Flights

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

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 Sihanoukville are during the month of February. You can find some of the cheapest flights from Newark Liberty Intl. Airport to Sihanoukville with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Newark Liberty Intl. Airport to Sihanoukville: 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 Sihanoukville

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 Sihanoukville in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Sihanoukville 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 Sihanoukville 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 Sihanoukville Flights

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*Available to One Key members.