HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Siem Reap

$1,000+ Cheap flights from Newark (EWR) to Siem Reap, Cambodia (SAI)

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SAI
May 29 — Jun 51
Fri 5/29
Fri 6/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Newark to Siem Reap 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 Siem Reap

Cheapest flights from Newark to Siem Reap
Explore the most affordable flight options available from Newark to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.

This Emirates deal was found by Cheapflights users on 4/27. 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.
Tue 12/111:45 pm
EWR
-
SAI
3 stops33h 25m
Emirates
Sun 12/61:20 pm
SAI
-
EWR
3 stops43h 50m
Emirates
Deal found 4/27$1,360
This Emirates deal was found by Cheapflights users on 4/26. 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.
Tue 5/1211:55 pm
EWR
-
SAI
3 stops49h 25m
Emirates
Tue 5/2611:50 pm
SAI
-
EWR
3 stops32h 30m
Emirates
Deal found 4/26$1,473
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:25 am
EWR
-
SAI
2 stops31h 30m
Multiple Airlines
Sat 10/37:35 pm
SAI
-
EWR
2 stops37h 55m
Multiple Airlines
Deal found 4/28$1,489
This Priceline deal was found by Cheapflights users on 4/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:45 pm
EWR
-
SAI
3 stops57h 25m
Emirates
Mon 12/71:20 pm
SAI
-
EWR
3 stops43h 50m
Emirates
Deal found 4/27$1,521
This Trip.com deal was found by Cheapflights users on 4/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:25 am
EWR
-
SAI
2 stops31h 30m
Multiple Airlines
Thu 10/2212:55 pm
SAI
-
EWR
2 stops29h 35m
Multiple Airlines
Deal found 4/26$1,679
This Trip.com deal was found by Cheapflights users on 4/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:25 am
EWR
-
SAI
2 stops24h 15m
Multiple Airlines
Wed 12/91:20 pm
SAI
-
EWR
2 stops31h 45m
Multiple Airlines
Deal found 4/27$1,684
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:25 am
EWR
-
SAI
2 stops29h 20m
Multiple Airlines
Fri 11/139:55 am
SAI
-
EWR
2 stops35h 10m
Multiple Airlines
Deal found 4/29$1,824
This CheapOair deal was found by Cheapflights users on 4/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:00 am
EWR
-
SAI
3 stops28h 30m
Multiple Airlines
Tue 6/3011:50 pm
SAI
-
EWR
3 stops33h 08m
Multiple Airlines
Deal found 4/24$1,969
This oojo deal was found by Cheapflights users on 4/27. 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.
Tue 12/19:35 am
EWR
-
SAI
1 stop42h 20m
Singapore Airlines
Sun 12/64:45 pm
SAI
-
EWR
1 stop24h 45m
Singapore Airlines
Deal found 4/27$2,040
This Singapore Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 10/209:35 am
EWR
-
SAI
1 stop37h 05m
Singapore Airlines
Wed 11/184:45 pm
SAI
-
EWR
1 stop24h 45m
Singapore Airlines
Deal found 4/25$2,092
This Booking.com deal was found by Cheapflights users on 4/26. 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.
Mon 5/1112:25 am
EWR
-
SAI
2 stops31h 40m
Multiple Airlines
Tue 5/267:45 pm
SAI
-
EWR
2 stops37h 45m
Multiple Airlines
Deal found 4/26$2,100
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2611:40 am
EWR
-
SAI
2 stops42h 30m
Multiple Airlines
Sat 8/110:35 pm
SAI
-
EWR
2 stops29h 45m
Multiple Airlines
Deal found 4/28$2,102

Find flight deals from Newark to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to Siem Reap (SAI). 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 29, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,473
(Emirates)

One-way from

$1,000
(Kiwi.com)
Provider with most accurate pricing for Newark-Siem Reap–Angkor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Newark-Siem Reap–Angkor Intl flights.
Search Deals
From Newark to Siem Reap–Angkor Intl
Search Deals
One-way flight from Newark to Siem Reap–Angkor Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark to Siem Reap 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 29, 2026.
Use the filters below to find and compare flights from Newark Airport to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Tue 5/12

11:55 pm-12:20 pm

3 stops49h 25m

Siem Reap–Angkor Intl

Tue 5/26

11:50 pm-9:20 pm

3 stops32h 30m

$1,473

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 9/10

12:25 am-6:55 pm

2 stops31h 30m

Siem Reap–Angkor Intl

Sat 10/3

7:35 pm-10:30 pm

2 stops37h 55m

$1,489
Quickest round-trip

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 10/4

12:25 am-6:55 pm

2 stops31h 30m

Siem Reap–Angkor Intl

Thu 10/22

12:55 pm-7:30 am

2 stops29h 35m

$1,679

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 5/11

12:25 am-7:05 pm

2 stops31h 40m

Siem Reap–Angkor Intl

Tue 5/26

7:45 pm-10:30 pm

2 stops37h 45m

$2,100

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 7/26

11:40 am-5:10 pm

2 stops42h 30m

Siem Reap–Angkor Intl

Sat 8/1

10:35 pm-5:20 pm

2 stops29h 45m

$2,102

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Fri 9/11

9:35 am-3:10 pm

1 stop42h 35m

Siem Reap–Angkor Intl

Sat 10/3

10:30 am-6:00 am

1 stop30h 30m

$2,138

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 6/15

11:55 pm-12:15 pm

2 stops25h 20m

Siem Reap–Angkor Intl

Tue 6/30

7:35 pm-2:45 pm

2 stops54h 10m

$2,216

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Tue 5/12

12:25 am-7:05 pm

2 stops31h 40m

Siem Reap–Angkor Intl

Fri 5/22

7:45 pm-10:30 pm

2 stops37h 45m

$2,301

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Tue 7/7

9:35 am-9:40 am

1 stop37h 05m

Siem Reap–Angkor Intl

Tue 7/21

10:30 am-7:30 am

2 stops32h 00m

$3,073

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Tue 10/20

10:00 am-9:00 am

2 stops36h 00m

Siem Reap–Angkor Intl

Wed 11/18

1:20 pm-9:05 am

2 stops31h 45m

$3,624

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 19 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Newark Airport-Siem Reap flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Newark Airport-Siem Reap flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Newark Airport-Siem Reap flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-Siem Reap flights, Cheapflights users trust Expedia the most. Expedia 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-Siem Reap flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Newark to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap 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.

Related info for your journey

Find useful and relevant information for your journey from Newark to Siem Reap. 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 Siem Reap from Newark?

    Located just 24.7 mi from the city center, Siem Reap–Angkor Intl is the airport most travelers will use when flying to Siem Reap from Newark. Booking flights from Newark to Siem Reap–Angkor Intl (SAI) should be relatively easy as there are 0 daily inbound flights from Newark from 0 different airlines.

  • How long is the flight from Newark Airport to Siem Reap?

    Departing from Newark Airport to Siem Reap will take you 42h 35m. Airlines will cover a distance of 8693 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Newark to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Newark to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Newark to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Siem Reap.

  • Can I find deals for business class flights from Newark to Siem Reap?

    Yes. Cheapflights offers flight deals from Newark to Siem Reap 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

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 Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Siem Reap 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.
Site
©2026 Cheapflights