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Siem Reap

$681+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SAI
Jul 7 — Jul 141
Tue 7/7
Tue 7/14
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 June 7, 2026.

This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:15 pm
EWR
-
SAI
2 stops50h 25m
United Airlines
Mon 10/1910:30 am
SAI
-
EWR
2 stops54h 23m
United Airlines
Deal found 6/6$1,280
This KAYAK deal was found by Cheapflights users on 6/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:15 am
EWR
-
SAI
2 stops42h 55m
ANA
Sun 10/2510:45 am
SAI
-
EWR
2 stops41h 10m
ANA
Deal found 6/6$1,284
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:15 pm
EWR
-
SAI
2 stops50h 25m
United Airlines
Sun 10/1810:30 am
SAI
-
EWR
2 stops66h 10m
United Airlines
Deal found 6/6$1,286
This KAYAK deal was found by Cheapflights users on 6/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:15 am
EWR
-
SAI
2 stops42h 55m
ANA
Wed 10/147:10 pm
SAI
-
EWR
2 stops32h 50m
ANA
Deal found 6/6$1,292
This Emirates deal was found by Cheapflights users on 6/6. 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.
Sun 10/411:55 pm
EWR
-
SAI
3 stops34h 35m
Emirates
Tue 10/2011:50 pm
SAI
-
EWR
3 stops56h 30m
Emirates
Deal found 6/6$1,304
This KAYAK deal was found by Cheapflights users on 6/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:15 am
EWR
-
SAI
2 stops42h 55m
ANA
Thu 10/157:10 pm
SAI
-
EWR
2 stops33h 30m
ANA
Deal found 6/6$1,326
This Emirates deal was found by Cheapflights users on 6/6. 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.
Tue 10/1311:55 pm
EWR
-
SAI
3 stops34h 35m
Emirates
Sat 10/2411:50 pm
SAI
-
EWR
3 stops32h 30m
Emirates
Deal found 6/6$1,330
This Emirates deal was found by Cheapflights users on 6/6. 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.
Sun 10/411:55 pm
EWR
-
SAI
3 stops34h 35m
Emirates
Thu 10/1511:50 pm
SAI
-
EWR
3 stops32h 30m
Emirates
Deal found 6/6$1,333
This Emirates deal was found by Cheapflights users on 6/6. 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.
Sun 10/411:55 pm
EWR
-
SAI
3 stops34h 35m
Emirates
Wed 10/1412:55 pm
SAI
-
EWR
3 stops43h 25m
Emirates
Deal found 6/6$1,334
This Emirates deal was found by Cheapflights users on 6/6. 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.
Sun 10/411:55 pm
EWR
-
SAI
3 stops34h 35m
Emirates
Sat 10/1711:50 pm
SAI
-
EWR
3 stops56h 30m
Emirates
Deal found 6/6$1,354
This Gurufare deal was found by Cheapflights users on 6/6. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:25 pm
EWR
-
SAI
2 stops30h 50m
Multiple Airlines
Sat 10/177:10 pm
SAI
-
EWR
2 stops32h 50m
Multiple Airlines
Deal found 6/6$1,377
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:30 am
EWR
-
SAI
2 stops36h 10m
United Airlines
Wed 10/1410:30 am
SAI
-
EWR
2 stops44h 49m
United Airlines
Deal found 6/6$1,379

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 June 7, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,280
(United Airlines)

One-way from

$681
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$2,233
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. 20% potential increase in price ($343 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($102 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 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

Sun 10/4

11:55 pm-9:30 pm

3 stops34h 35m

Siem Reap–Angkor Intl

Wed 10/14

12:55 pm-9:20 pm

3 stops43h 25m

$1,334

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Wed 10/14

11:15 am-5:10 pm

2 stops42h 55m

Siem Reap–Angkor Intl

Wed 10/21

10:30 am-8:26 am

2 stops32h 56m

$1,392
Quickest round-trip

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 10/15

11:55 pm-9:30 pm

3 stops34h 35m

Siem Reap–Angkor Intl

Sat 10/24

11:50 pm-9:20 pm

3 stops32h 30m

$1,433

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Wed 10/14

11:55 pm-12:15 pm

3 stops49h 20m

Siem Reap–Angkor Intl

Wed 10/21

12:55 pm-9:20 pm

3 stops43h 25m

$1,608

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Wed 10/14

9:30 am-9:40 am

2 stops37h 10m

Siem Reap–Angkor Intl

Sun 10/25

10:45 am-4:55 pm

2 stops41h 10m

$1,731

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Fri 9/18

11:10 am-9:40 am

2 stops35h 30m

Siem Reap–Angkor Intl

Wed 9/23

10:30 am-8:30 am

2 stops33h 00m

$1,810

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 6/25

11:40 am-9:00 am

2 stops34h 20m

Siem Reap–Angkor Intl

Thu 7/2

9:40 am-6:05 pm

2 stops43h 25m

$1,854

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Wed 10/14

9:35 am-3:10 pm

1 stop42h 35m

Siem Reap–Angkor Intl

Wed 10/21

10:30 am-6:00 am

1 stop30h 30m

$2,081

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Fri 10/16

6:00 am-9:40 am

2 stops40h 40m

Siem Reap–Angkor Intl

Sun 10/25

10:45 am-4:55 pm

2 stops41h 10m

$2,126

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 11/2

10:00 pm-9:50 am

2 stops47h 50m

Siem Reap–Angkor Intl

Thu 12/3

9:55 am-1:55 pm

2 stops40h 00m

$2,355

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 18 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. 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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