HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Siem Reap

$771+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SAI
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
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 May 16, 2026.

This oojo deal was found by Cheapflights users on 5/12. 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.
Thu 10/1511:55 pm
EWR
-
SAI
3 stops34h 35m
Emirates
Tue 12/1511:50 pm
SAI
-
EWR
3 stops33h 20m
Emirates
Deal found 5/12$1,479
This CheapOair deal was found by Cheapflights users on 5/13. 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 8/1711:40 am
EWR
-
SAI
2 stops42h 30m
ANA
Mon 8/317:10 pm
SAI
-
EWR
2 stops33h 10m
ANA
Deal found 5/13$1,590
This Expedia deal was found by Cheapflights users on 5/13. 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.
Sun 8/3012:25 am
EWR
-
SAI
2 stops31h 30m
Multiple Airlines
Mon 9/1412:55 pm
SAI
-
EWR
2 stops31h 05m
Multiple Airlines
Deal found 5/13$1,599
This oojo deal was found by Cheapflights users on 5/13. 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.
Mon 8/3111:55 pm
EWR
-
SAI
3 stops49h 20m
Emirates
Mon 9/1412:55 pm
SAI
-
EWR
3 stops43h 25m
Emirates
Deal found 5/13$1,638
This KAYAK deal was found by Cheapflights users on 5/13. 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.
Mon 8/319:45 pm
EWR
-
SAI
2 stops34h 10m
SWISS
Mon 9/149:40 am
SAI
-
EWR
2 stops45h 35m
SWISS
Deal found 5/13$1,649
This oojo deal was found by Cheapflights users on 5/13. 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.
Mon 8/1711:55 pm
EWR
-
SAI
3 stops49h 20m
Emirates
Mon 8/3112:55 pm
SAI
-
EWR
3 stops43h 25m
Emirates
Deal found 5/13$1,758
This KAYAK deal was found by Cheapflights users on 5/12. 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.
Mon 8/311:40 am
EWR
-
SAI
2 stops42h 30m
ANA
Tue 9/87:10 pm
SAI
-
EWR
2 stops33h 30m
ANA
Deal found 5/12$1,794
This oojo deal was found by Cheapflights users on 5/11. 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.
Mon 5/2511:55 pm
EWR
-
SAI
3 stops49h 25m
Emirates
Thu 6/1111:50 pm
SAI
-
EWR
3 stops32h 30m
Emirates
Deal found 5/11$1,891
This BusinessClass deal was found by Cheapflights users on 5/13. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:35 am
EWR
-
SAI
1 stop42h 35m
Singapore Airlines
Mon 9/1410:30 am
SAI
-
EWR
1 stop30h 30m
Singapore Airlines
Deal found 5/13$2,081
This CheapOair deal was found by Cheapflights users on 5/12. 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.
Fri 8/218:30 pm
EWR
-
SAI
2 stops35h 25m
Lufthansa
Fri 4/304:00 pm
SAI
-
EWR
2 stops34h 45m
Lufthansa
Deal found 5/12$2,088

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 May 16, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,479
(oojo)

One-way from

$771
(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 May 16, 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
Quickest round-trip

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 8/30

12:25 am-6:55 pm

2 stops31h 30m

Siem Reap–Angkor Intl

Mon 9/14

12:55 pm-9:00 am

2 stops31h 05m

$1,599

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 8/31

11:55 pm-12:15 pm

3 stops49h 20m

Siem Reap–Angkor Intl

Mon 9/14

12:55 pm-9:20 pm

3 stops43h 25m

$1,638

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 8/31

9:45 pm-6:55 pm

2 stops34h 10m

Siem Reap–Angkor Intl

Mon 9/14

9:40 am-8:15 pm

2 stops45h 35m

$1,649

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 8/3

11:40 am-5:10 pm

2 stops42h 30m

Siem Reap–Angkor Intl

Tue 9/8

7:10 pm-5:40 pm

2 stops33h 30m

$2,218

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Fri 8/21

9:35 am-3:10 pm

1 stop42h 35m

Siem Reap–Angkor Intl

Fri 4/30

10:30 am-6:00 am

1 stop30h 30m

$2,357

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 8/17

9:35 am-9:40 am

1 stop37h 05m

Siem Reap–Angkor Intl

Mon 8/31

10:30 am-6:00 am

1 stop30h 30m

$2,415

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 6/4

11:55 pm-9:30 pm

3 stops34h 35m

Siem Reap–Angkor Intl

Sat 6/13

11:50 pm-9:20 pm

3 stops32h 30m

$2,814

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 8/3

9:35 am-9:40 am

1 stop37h 05m

Siem Reap–Angkor Intl

Tue 9/8

10:30 am-6:00 am

1 stop30h 30m

$3,273

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Wed 6/17

11:40 am-9:40 am

2 stops35h 00m

Siem Reap–Angkor Intl

Fri 6/26

10:30 am-5:20 pm

2 stops41h 50m

$3,415

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sat 7/25

11:55 pm-12:15 pm

3 stops49h 20m

Siem Reap–Angkor Intl

Sat 8/1

11:50 pm-9:20 pm

3 stops56h 30m

$3,586

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 16 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 34h 10m. 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.