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Siem Reap

$612+ 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 29 — Sep 51
Sat 8/29
Sat 9/5
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 30, 2026.

This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:40 am
EWR
-
SAI
2 stops42h 30m
ANA
Fri 9/187:10 pm
SAI
-
EWR
2 stops32h 55m
ANA
Deal found 7/25$1,276
This Expedia deal was found by Cheapflights users on 7/29. 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.
Fri 8/2811:40 am
EWR
-
SAI
2 stops42h 30m
Multiple Airlines
Mon 9/77:35 pm
SAI
-
EWR
2 stops32h 30m
Multiple Airlines
Deal found 7/29$1,308
This Justfly.com deal was found by Cheapflights users on 7/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:40 am
EWR
-
SAI
2 stops34h 20m
Multiple Airlines
Mon 8/317:10 pm
SAI
-
EWR
2 stops33h 10m
Multiple Airlines
Deal found 7/25$1,318
This Expedia deal was found by Cheapflights users on 7/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:00 am
EWR
-
SAI
2 stops45h 20m
Multiple Airlines
Fri 10/97:10 pm
SAI
-
EWR
2 stops32h 50m
Multiple Airlines
Deal found 7/25$1,390
This KAYAK deal was found by Cheapflights users on 7/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:55 am
EWR
-
SAI
2 stops42h 00m
ANA
Wed 12/166:40 pm
SAI
-
EWR
2 stops32h 35m
ANA
Deal found 7/25$1,416
This KAYAK deal was found by Cheapflights users on 7/28. 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.
Fri 8/2111:40 am
EWR
-
SAI
2 stops42h 30m
ANA
Mon 8/317:10 pm
SAI
-
EWR
2 stops33h 10m
ANA
Deal found 7/28$1,426
This KAYAK deal was found by Cheapflights users on 7/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:55 am
EWR
-
SAI
2 stops42h 00m
ANA
Wed 12/166:40 pm
SAI
-
EWR
2 stops32h 35m
ANA
Deal found 7/25$1,441
This KAYAK deal was found by Cheapflights users on 7/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:55 am
EWR
-
SAI
2 stops42h 00m
ANA
Thu 12/176:40 pm
SAI
-
EWR
2 stops32h 35m
ANA
Deal found 7/25$1,466
This KAYAK deal was found by Cheapflights users on 7/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:55 am
EWR
-
SAI
2 stops42h 00m
ANA
Mon 12/216:40 pm
SAI
-
EWR
2 stops32h 35m
ANA
Deal found 7/25$1,491
This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:55 am
EWR
-
SAI
2 stops42h 00m
Multiple Airlines
Sun 11/156:40 pm
SAI
-
EWR
2 stops38h 45m
Multiple Airlines
Deal found 7/29$1,514
This SmartFares deal was found by Cheapflights users on 7/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:55 am
EWR
-
SAI
2 stops42h 00m
ANA
Sat 12/196:40 pm
SAI
-
EWR
2 stops33h 15m
ANA
Deal found 7/25$1,543

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 30, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,161
(Expedia)

One-way from

$612
(SmartFares)

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. 32% potential increase in price ($777 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($191 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 30, 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 10/20

11:55 pm-9:30 pm

3 stops34h 35m

Siem Reap–Angkor Intl

Tue 10/27

11:50 pm-9:20 pm

3 stops56h 30m

$1,390

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 1/17

11:45 pm-9:10 pm

3 stops33h 25m

Siem Reap–Angkor Intl

Sat 1/23

11:50 pm-9:10 pm

3 stops57h 20m

$1,460

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 11/16

11:45 pm-6:45 pm

3 stops31h 00m

Siem Reap–Angkor Intl

Mon 12/7

1:20 pm-9:10 pm

3 stops43h 50m

$1,751

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 9/3

1:55 pm-9:30 pm

3 stops44h 35m

Siem Reap–Angkor Intl

Fri 9/18

12:55 pm-9:20 pm

3 stops43h 25m

$1,960

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 8/20

12:25 am-6:20 pm

3 stops30h 55m

Siem Reap–Angkor Intl

Mon 8/31

7:05 pm-7:45 pm

2 stops35h 40m

$1,961

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 1/18

9:35 am-9:50 am

1 stop36h 15m

Siem Reap–Angkor Intl

Tue 1/26

10:45 am-5:30 am

1 stop30h 45m

$2,093

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 12/27

8:50 pm-9:10 pm

2 stops36h 20m

Siem Reap–Angkor Intl

Tue 1/19

9:50 am-1:55 pm

2 stops40h 05m

$2,131

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Tue 12/8

10:00 pm-6:45 pm

2 stops32h 45m

Siem Reap–Angkor Intl

Tue 12/22

4:45 pm-8:30 pm

2 stops39h 45m

$2,174

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 1/17

9:35 am-3:55 pm

1 stop42h 20m

Siem Reap–Angkor Intl

Sat 1/23

10:45 am-5:30 am

1 stop30h 45m

$2,193
Quickest round-trip

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 11/16

9:35 am-9:50 am

1 stop36h 15m

Siem Reap–Angkor Intl

Mon 12/7

4:45 pm-5:30 am

1 stop24h 45m

$2,229

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 34h 35m. 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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