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Siem Reap

$695+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SAI
Aug 8 — Aug 151
Sat 8/8
Sat 8/15
1 adult, Economy
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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 July 9, 2026.

This Emirates deal was found by Cheapflights users on 7/9. 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.
Fri 10/2311:55 pm
EWR
-
SAI
3 stops49h 45m
Emirates
Sat 10/3111:50 pm
SAI
-
EWR
3 stops57h 20m
Emirates
Deal found 7/9$1,365
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:35 am
EWR
-
SAI
1 stop37h 05m
Multiple Airlines
Tue 9/154:55 pm
SAI
-
EWR
2 stops40h 35m
Multiple Airlines
Deal found 7/6$1,684
This Mytrip deal was found by Cheapflights users on 7/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:00 am
EWR
-
SAI
2 stops30h 05m
Multiple Airlines
Wed 7/2910:35 pm
SAI
-
EWR
2 stops34h 55m
Multiple Airlines
Deal found 7/6$1,702
This oojo deal was found by Cheapflights users on 7/5. 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.
Sat 11/2111:45 pm
EWR
-
SAI
3 stops57h 25m
Emirates
Sun 11/291:20 pm
SAI
-
EWR
3 stops43h 50m
Emirates
Deal found 7/5$1,763
This KAYAK deal was found by Cheapflights users on 7/9. 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.
Fri 10/235:40 pm
EWR
-
SAI
2 stops38h 05m
Austrian Airlines
Sat 10/319:55 am
SAI
-
EWR
2 stops40h 00m
Austrian Airlines
Deal found 7/9$1,986
This KAYAK deal was found by Cheapflights users on 7/8. 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 12/1310:55 am
EWR
-
SAI
2 stops42h 00m
ANA
Sun 12/276:40 pm
SAI
-
EWR
2 stops32h 35m
ANA
Deal found 7/8$1,999
This CheapOair deal was found by Cheapflights users on 7/6. 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 10/2311:15 am
EWR
-
SAI
2 stops42h 40m
ANA
Sat 10/316:40 pm
SAI
-
EWR
2 stops33h 15m
ANA
Deal found 7/6$2,039

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 July 9, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,530
(oojo)

One-way from

$695
(Expedia)

Popular in

November

Cheapest in

March

Average price

$1,234
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
Highest demand for flights based on searches. 33% potential increase in price ($798 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($194 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 9, 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

Mon 8/31

9:35 am-9:40 am

1 stop37h 05m

Siem Reap–Angkor Intl

Tue 9/15

4:55 pm-10:30 pm

2 stops40h 35m

$1,684

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Wed 7/22

1:00 am-6:05 pm

2 stops30h 05m

Siem Reap–Angkor Intl

Wed 7/29

10:35 pm-10:30 pm

2 stops34h 55m

$1,702

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 8/31

9:35 am-9:40 am

1 stop37h 05m

Siem Reap–Angkor Intl

Tue 9/15

10:30 am-6:00 am

1 stop30h 30m

$2,098

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 7/23

11:55 pm-9:30 pm

3 stops34h 35m

Siem Reap–Angkor Intl

Wed 7/29

12:55 pm-9:20 pm

3 stops43h 25m

$2,891
Quickest round-trip

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 7/23

9:35 am-9:40 am

1 stop37h 05m

Siem Reap–Angkor Intl

Wed 7/29

4:00 pm-6:00 am

1 stop25h 00m

$3,374
Cheapest one-way

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 9/24

10:00 am-8:45 am

2 stops35h 45m

$695

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 9/24

9:35 am-9:40 am

1 stop37h 05m

$1,360

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Fri 8/21

11:40 am-5:10 pm

2 stops42h 30m

$4,352
Quickest one-way

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 8/20

9:45 pm-6:55 pm

2 stops34h 10m

$5,769

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 8/20

11:55 pm-9:30 pm

3 stops34h 35m

$5,793

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Sorted by cheapest first
  • 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 37h 05m. Airlines will cover a distance of 8693 mi.

  • 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

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Alternative routes for Newark to Siem Reap

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John F Kennedy Intl to Siem Reap flights

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