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Siem Reap

$488+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SAI
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
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 11, 2026.

This United Airlines deal was found by Cheapflights users on 2/10. 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.
Sat 3/144:45 pm
EWR
-
SAI
2 stops60h 10m
United Airlines
Sun 5/1010:30 am
SAI
-
EWR
2 stops39h 07m
United Airlines
Deal found 2/10$1,238
This Trip.com deal was found by Cheapflights users on 2/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:25 am
EWR
-
SAI
2 stops31h 20m
Multiple Airlines
Fri 5/87:25 pm
SAI
-
EWR
2 stops38h 05m
Multiple Airlines
Deal found 2/9$1,454
This United Airlines deal was found by Cheapflights users on 2/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
EWR
-
SAI
2 stops40h 40m
United Airlines
Fri 5/810:30 am
SAI
-
EWR
2 stops40h 15m
United Airlines
Deal found 2/8$1,529
This Mytrip deal was found by Cheapflights users on 2/10. 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.
Sat 3/1412:05 pm
EWR
-
SAI
3 stops35h 55m
Multiple Airlines
Sun 5/1010:00 am
SAI
-
EWR
3 stops30h 30m
Multiple Airlines
Deal found 2/10$1,544
This Gotogate deal was found by Cheapflights users on 2/10. 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.
Sat 5/236:05 pm
EWR
-
SAI
2 stops27h 55m
Multiple Airlines
Fri 6/57:25 pm
SAI
-
EWR
2 stops38h 05m
Multiple Airlines
Deal found 2/10$1,723
This Singapore Airlines deal was found by Cheapflights users on 2/9. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:35 am
EWR
-
SAI
1 stop42h 35m
Singapore Airlines
Fri 5/84:00 pm
SAI
-
EWR
1 stop25h 00m
Singapore Airlines
Deal found 2/9$1,994
This Mytrip deal was found by Cheapflights users on 2/7. 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.
Fri 3/2712:15 pm
EWR
-
SAI
3 stops34h 25m
Multiple Airlines
Sat 4/412:15 pm
SAI
-
EWR
3 stops30h 15m
Multiple Airlines
Deal found 2/7$2,153
This Singapore Airlines deal was found by Cheapflights users on 2/8. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/810:35 am
EWR
-
SAI
1 stop36h 15m
Singapore Airlines
Mon 3/164:45 pm
SAI
-
EWR
1 stop48h 45m
Singapore Airlines
Deal found 2/8$2,176

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 11, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,238
(United Airlines)

One-way from

$488
(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.
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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 February 11, 2026.
Use the filters below to find and compare flights from Newark Airport to Siem Reap that are best for you.

Fly from

Newark

Fly to

Siem Reap

Route

Depart

Return

Price

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sat 3/14

4:45 pm-3:55 pm

2 stops60h 10m

Siem Reap–Angkor Intl

Sun 5/10

10:30 am-2:37 pm

2 stops39h 07m

$1,238

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 4/30

12:25 am-6:45 pm

2 stops31h 20m

Siem Reap–Angkor Intl

Fri 5/8

7:25 pm-10:30 pm

2 stops38h 05m

$1,454

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Fri 5/1

6:00 am-9:40 am

2 stops40h 40m

Siem Reap–Angkor Intl

Fri 5/8

10:30 am-3:45 pm

2 stops40h 15m

$1,529

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sat 3/14

12:05 pm-11:00 am

3 stops35h 55m

Siem Reap–Angkor Intl

Sun 5/10

10:00 am-5:30 am

3 stops30h 30m

$1,544

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sat 5/23

6:05 pm-9:00 am

2 stops27h 55m

Siem Reap–Angkor Intl

Fri 6/5

7:25 pm-10:30 pm

2 stops38h 05m

$1,723

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Fri 5/1

9:35 am-9:40 am

1 stop37h 05m

Siem Reap–Angkor Intl

Fri 5/8

4:00 pm-6:00 am

1 stop25h 00m

$1,994

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Wed 3/18

12:15 pm-3:55 pm

2 stops40h 40m

$488

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Tue 7/28

11:30 am-6:20 am

2 stops31h 50m

$779

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Wed 3/18

10:35 am-3:55 pm

1 stop42h 20m

$1,223

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Tue 7/28

9:35 am-9:40 am

1 stop37h 05m

$1,226

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 15 results
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 60h 10m. 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
LaGuardia to Siem Reap flights

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