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Siem Reap

$1,048+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SAI
Mar 29 — Apr 51
Sun 3/29
Sun 4/5
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 February 27, 2026.

This United Airlines deal was found by Cheapflights users on 2/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:15 pm
EWR
-
SAI
2 stops50h 25m
United Airlines
Wed 4/1510:30 am
SAI
-
EWR
2 stops42h 09m
United Airlines
Deal found 2/26$1,229
This Emirates deal was found by Cheapflights users on 2/23. 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.
Sun 9/2011:55 pm
EWR
-
SAI
3 stops34h 35m
Emirates
Sun 9/2712:55 pm
SAI
-
EWR
3 stops43h 25m
Emirates
Deal found 2/23$1,316
This Trip.com deal was found by Cheapflights users on 2/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:25 am
EWR
-
SAI
2 stops44h 50m
Multiple Airlines
Sat 11/281:20 pm
SAI
-
EWR
2 stops45h 10m
Multiple Airlines
Deal found 2/24$1,341
This Emirates deal was found by Cheapflights users on 2/24. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:55 pm
EWR
-
SAI
3 stops34h 35m
Emirates
Tue 10/1311:50 pm
SAI
-
EWR
3 stops32h 30m
Emirates
Deal found 2/24$1,378
This oojo deal was found by Cheapflights users on 2/23. 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 10/611:55 pm
EWR
-
SAI
3 stops34h 35m
Emirates
Fri 10/1612:55 pm
SAI
-
EWR
3 stops43h 25m
Emirates
Deal found 2/23$1,380
This Booking.com deal was found by Cheapflights users on 2/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:55 pm
EWR
-
SAI
3 stops34h 35m
Emirates
Thu 9/1711:50 pm
SAI
-
EWR
3 stops32h 30m
Emirates
Deal found 2/24$1,414
This United Airlines deal was found by Cheapflights users on 2/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:15 pm
EWR
-
SAI
2 stops50h 25m
United Airlines
Fri 4/1710:30 am
SAI
-
EWR
2 stops57h 08m
United Airlines
Deal found 2/26$1,479
This oojo deal was found by Cheapflights users on 2/23. 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 7/67:22 pm
EWR
-
SAI
2 stops32h 48m
Singapore Airlines
Wed 7/294:00 pm
SAI
-
EWR
2 stops36h 13m
Singapore Airlines
Deal found 2/23$1,548
This Ovago deal was found by Cheapflights users on 2/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:00 pm
EWR
-
SAI
2 stops54h 40m
Multiple Airlines
Thu 9/1712:55 pm
SAI
-
EWR
2 stops29h 30m
Multiple Airlines
Deal found 2/24$1,555
This FlightHub deal was found by Cheapflights users on 2/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1011:55 pm
EWR
-
SAI
3 stops34h 35m
Emirates
Tue 5/1911:50 pm
SAI
-
EWR
3 stops32h 30m
Emirates
Deal found 2/24$1,596
This Orbitz deal was found by Cheapflights users on 2/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:35 am
EWR
-
SAI
1 stop37h 05m
Multiple Airlines
Wed 10/1410:30 am
SAI
-
EWR
2 stops47h 31m
Multiple Airlines
Deal found 2/24$1,625
This Gotogate deal was found by Cheapflights users on 2/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:25 am
EWR
-
SAI
2 stops31h 20m
Multiple Airlines
Fri 4/1712:55 pm
SAI
-
EWR
2 stops31h 05m
Multiple Airlines
Deal found 2/23$1,632

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 February 27, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,229
(United Airlines)

One-way from

$1,048
(FlightHub)
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 February 27, 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

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 7/6

7:22 pm-3:10 pm

2 stops32h 48m

Siem Reap–Angkor Intl

Wed 7/29

4:00 pm-5:13 pm

2 stops36h 13m

$1,548

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 5/10

11:55 pm-9:30 pm

3 stops34h 35m

Siem Reap–Angkor Intl

Tue 5/19

11:50 pm-9:20 pm

3 stops32h 30m

$1,596

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 4/6

11:55 pm-12:15 pm

3 stops49h 20m

Siem Reap–Angkor Intl

Thu 4/9

11:50 pm-9:20 pm

3 stops56h 30m

$1,899

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 4/5

12:25 am-6:45 pm

2 stops31h 20m

Siem Reap–Angkor Intl

Thu 4/9

11:50 pm-9:20 pm

3 stops32h 30m

$1,905

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 7/6

7:22 pm-3:10 pm

2 stops32h 48m

Siem Reap–Angkor Intl

Wed 7/29

4:00 pm-6:00 am

1 stop25h 00m

$2,169

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sat 5/16

9:35 am-9:40 am

1 stop37h 05m

Siem Reap–Angkor Intl

Thu 5/28

10:30 am-3:33 pm

2 stops40h 03m

$2,695

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 4/2

11:55 pm-9:30 pm

3 stops34h 35m

Siem Reap–Angkor Intl

Sat 4/11

11:50 pm-9:20 pm

3 stops32h 30m

$3,094

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Wed 3/11

6:55 pm-6:45 pm

2 stops36h 50m

Siem Reap–Angkor Intl

Fri 3/20

9:55 am-3:15 pm

2 stops40h 20m

$3,806

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 6/29

10:30 am-9:40 am

2 stops36h 10m

Siem Reap–Angkor Intl

Mon 7/6

10:30 am-5:38 am

2 stops54h 08m

$5,854

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 6/29

10:30 am-9:40 am

2 stops36h 10m

Siem Reap–Angkor Intl

Sun 7/5

10:30 am-5:15 pm

2 stops65h 45m

$5,864

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 17 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 32h 48m. 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

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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

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