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Siem Reap

$597+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SAI
Apr 6 — Apr 131
Mon 4/6
Mon 4/13
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 March 7, 2026.

This oojo deal was found by Cheapflights users on 3/4. 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.
Wed 11/257:59 pm
EWR
-
SAI
3 stops49h 51m
Singapore Airlines
Wed 12/210:45 am
SAI
-
EWR
2 stops44h 11m
Singapore Airlines
Deal found 3/4$1,210
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Wed 11/258:15 pm
EWR
-
SAI
2 stops55h 40m
United Airlines
Wed 12/210:45 am
SAI
-
EWR
2 stops47h 15m
United Airlines
Deal found 3/4$1,229
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Fri 8/286:00 am
EWR
-
SAI
2 stops40h 40m
United Airlines
Sun 9/1310:30 am
SAI
-
EWR
2 stops66h 10m
United Airlines
Deal found 3/4$1,270
This Emirates deal was found by Cheapflights users on 3/2. 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 10/111:55 pm
EWR
-
SAI
3 stops34h 35m
Emirates
Mon 10/512:55 pm
SAI
-
EWR
3 stops43h 25m
Emirates
Deal found 3/2$1,316
This Gotogate deal was found by Cheapflights users on 3/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:25 am
EWR
-
SAI
2 stops45h 35m
Multiple Airlines
Fri 5/17:30 pm
SAI
-
EWR
2 stops38h 00m
Multiple Airlines
Deal found 3/6$1,363
This Emirates deal was found by Cheapflights users on 3/4. 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 8/2811:55 pm
EWR
-
SAI
3 stops49h 20m
Emirates
Sun 9/1312:55 pm
SAI
-
EWR
3 stops43h 25m
Emirates
Deal found 3/4$1,366
This FlightHub deal was found by Cheapflights users on 3/4. 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.
Tue 3/1711:55 pm
EWR
-
SAI
3 stops34h 15m
Emirates
Tue 3/2411:50 pm
SAI
-
EWR
3 stops56h 30m
Emirates
Deal found 3/4$1,370
This Emirates deal was found by Cheapflights users on 3/6. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:55 pm
EWR
-
SAI
3 stops49h 20m
Emirates
Mon 5/1812:55 pm
SAI
-
EWR
3 stops43h 25m
Emirates
Deal found 3/6$1,379
This oojo deal was found by Cheapflights users on 3/5. 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.
Tue 5/1211:55 pm
EWR
-
SAI
3 stops34h 35m
Emirates
Wed 6/312:55 pm
SAI
-
EWR
3 stops43h 25m
Emirates
Deal found 3/5$1,380
This FlightHub deal was found by Cheapflights users on 3/4. 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.
Tue 11/2411:45 pm
EWR
-
SAI
3 stops33h 25m
Emirates
Tue 12/111:50 pm
SAI
-
EWR
3 stops33h 20m
Emirates
Deal found 3/4$1,390

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 March 7, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,270
(United Airlines)

One-way from

$597
(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
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One-way flight from Newark to Siem Reap–Angkor Intl
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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 March 7, 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

Sat 5/9

11:55 pm-12:15 pm

3 stops49h 20m

Siem Reap–Angkor Intl

Mon 5/18

12:55 pm-9:20 pm

3 stops43h 25m

$1,379
Quickest round-trip

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Fri 4/24

6:30 pm-12:15 pm

2 stops30h 45m

Siem Reap–Angkor Intl

Fri 5/1

12:55 pm-7:28 am

2 stops29h 33m

$1,385

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Tue 3/17

7:00 am-3:55 pm

2 stops45h 55m

Siem Reap–Angkor Intl

Tue 3/24

4:45 pm-8:26 pm

2 stops38h 41m

$1,419

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sat 5/9

9:30 am-9:40 am

2 stops37h 10m

Siem Reap–Angkor Intl

Mon 5/18

10:30 am-5:50 pm

2 stops66h 20m

$1,478

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Tue 5/12

9:35 am-9:40 am

1 stop37h 05m

Siem Reap–Angkor Intl

Wed 6/3

4:00 pm-11:59 pm

2 stops42h 59m

$1,894

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 5/17

11:55 pm-9:30 pm

3 stops34h 35m

Siem Reap–Angkor Intl

Sat 5/23

11:50 pm-9:20 pm

3 stops32h 30m

$1,901

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Tue 5/12

9:35 am-9:40 am

1 stop37h 05m

Siem Reap–Angkor Intl

Wed 6/3

4:00 pm-6:00 am

1 stop25h 00m

$1,940

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Tue 5/19

5:00 pm-12:15 pm

2 stops32h 15m

Siem Reap–Angkor Intl

Sun 5/24

7:30 pm-2:45 pm

2 stops54h 15m

$1,993
Cheapest one-way

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sat 3/21

12:05 pm-6:20 am

3 stops31h 15m

$725

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 3/22

1:25 am-6:45 pm

3 stops30h 20m

$772

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

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 45h 55m. 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

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John F Kennedy Intl to Siem Reap flights

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