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Cheap flights from Newark Airport to Siem Reap from $673

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Newark Airport to Siem Reap departing on 8/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Newark Airport to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Emirates Logo
11:45 pm - 9:10 pm
EWR
-
SAI
33h 25m
3 stops
Emirates Logo
11:50 pm - 9:10 pm
SAI
-
EWR
57h 20m
3 stops
$1,250Emirates
Sun, Nov 29 - Tue, Feb 2
Emirates Logo
11:45 pm - 9:10 pm
EWR
-
SAI
33h 25m
3 stops
Emirates Logo
1:20 pm - 9:10 pm
SAI
-
EWR
43h 50m
3 stops
$1,280Emirates
Sun, Nov 29 - Wed, Feb 3
Emirates Logo
11:45 pm - 9:10 pm
EWR
-
SAI
57h 25m
3 stops
Emirates Logo
11:50 pm - 9:10 pm
SAI
-
EWR
57h 20m
3 stops
$1,286Emirates
Mon, Nov 30 - Tue, Feb 2
Emirates Logo
11:45 pm - 9:10 pm
EWR
-
SAI
57h 25m
3 stops
Emirates Logo
1:20 pm - 9:10 pm
SAI
-
EWR
43h 50m
3 stops
$1,316Emirates
Mon, Nov 30 - Fri, Feb 5
Emirates Logo
11:45 pm - 9:10 pm
EWR
-
SAI
57h 25m
3 stops
Emirates Logo
11:50 pm - 9:10 pm
SAI
-
EWR
57h 20m
3 stops
$1,321Emirates
Mon, Nov 30 - Sat, Jan 30
Emirates Logo
11:45 pm - 9:10 pm
EWR
-
SAI
33h 25m
3 stops
Emirates Logo
1:20 pm - 9:10 pm
SAI
-
EWR
43h 50m
3 stops
$1,330Emirates
Sun, Nov 29 - Sun, Jan 31
Emirates Logo
11:45 pm - 9:10 pm
EWR
-
SAI
57h 25m
3 stops
Emirates Logo
1:20 pm - 9:10 pm
SAI
-
EWR
43h 50m
3 stops
$1,366Emirates
Mon, Nov 30 - Sun, Jan 31
United Airlines Logo
9:45 am - 9:50 am
EWR
-
SAI
36h 05m
2 stops
United Airlines Logo
10:45 am - 10:45 pm
SAI
-
EWR
48h 00m
2 stops
$1,383United Airlines
Mon, Nov 30 - Sun, Jan 31
United Airlines Logo
9:45 am - 9:50 am
EWR
-
SAI
36h 05m
2 stops
United Airlines Logo
10:45 am - 3:55 pm
SAI
-
EWR
41h 10m
2 stops
$1,385United Airlines
Mon, Nov 30 - Wed, Feb 3
Emirates Logo
11:45 pm - 12:40 pm
EWR
-
SAI
48h 55m
3 stops
Emirates Logo
11:50 pm - 9:10 pm
SAI
-
EWR
57h 20m
3 stops
$1,423Emirates
Mon, Nov 2 - Thu, Dec 3

Singapore Airlines flights from Newark Airport to Siem Reap

Our best Singapore Airlines deals on Newark Airport to Siem Reap flight tickets
Singapore Airlines
Dec 1
EWR9:35 amNewark
36h 15m
1 stop
SAI9:50 amSiem Reap–Angkor Intl
Feb 2
SAI4:45 pmSiem Reap–Angkor Intl
24h 45m
1 stop
EWR5:30 amNewark
$2,081
Singapore Airlines
Sep 18
EWR9:35 amNewark
37h 05m
1 stop
SAI9:40 amSiem Reap–Angkor Intl
Sep 23
SAI10:30 amSiem Reap–Angkor Intl
30h 30m
1 stop
EWR6:00 amNewark
$2,131
Singapore Airlines
Nov 30
EWR9:35 amNewark
36h 15m
1 stop
SAI9:50 amSiem Reap–Angkor Intl
Feb 3
SAI4:45 pmSiem Reap–Angkor Intl
24h 45m
1 stop
EWR5:30 amNewark
$2,190

Emirates flights from Newark Airport to Siem Reap

Our best Emirates deals on Newark Airport to Siem Reap flight tickets
Emirates
Nov 29
EWR11:45 pmNewark
33h 25m
3 stops
SAI9:10 pmSiem Reap–Angkor Intl
Feb 2
SAI11:50 pmSiem Reap–Angkor Intl
57h 20m
3 stops
EWR9:10 pmNewark
$1,250
Emirates
Nov 29
EWR11:45 pmNewark
33h 25m
3 stops
SAI9:10 pmSiem Reap–Angkor Intl
Feb 3
SAI1:20 pmSiem Reap–Angkor Intl
43h 50m
3 stops
EWR9:10 pmNewark
$1,280
Emirates
Nov 30
EWR11:45 pmNewark
57h 25m
3 stops
SAI9:10 pmSiem Reap–Angkor Intl
Feb 2
SAI11:50 pmSiem Reap–Angkor Intl
57h 20m
3 stops
EWR9:10 pmNewark
$1,286

momondo Fare Finder

 
Customize your flight search to find flights from Newark Airport 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, momondo users made 832,500 searches. Data last updated June 4, 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 11/29

11:45 pm-9:10 pm

3 stops33h 25m

Siem Reap–Angkor Intl

Tue 2/2

11:50 pm-9:10 pm

3 stops57h 20m

$1,250
Quickest round-trip

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 11/29

11:45 pm-9:10 pm

3 stops33h 25m

Siem Reap–Angkor Intl

Wed 2/3

1:20 pm-9:10 pm

3 stops43h 50m

$1,280

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 11/30

11:45 pm-9:10 pm

3 stops57h 25m

Siem Reap–Angkor Intl

Tue 2/2

11:50 pm-9:10 pm

3 stops57h 20m

$1,286

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 11/30

11:45 pm-9:10 pm

3 stops57h 25m

Siem Reap–Angkor Intl

Fri 2/5

1:20 pm-9:10 pm

3 stops43h 50m

$1,316

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 11/30

11:45 pm-9:10 pm

3 stops57h 25m

Siem Reap–Angkor Intl

Sat 1/30

11:50 pm-9:10 pm

3 stops57h 20m

$1,321

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 11/29

11:45 pm-9:10 pm

3 stops33h 25m

Siem Reap–Angkor Intl

Sun 1/31

1:20 pm-9:10 pm

3 stops43h 50m

$1,330

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 11/30

11:45 pm-9:10 pm

3 stops57h 25m

Siem Reap–Angkor Intl

Sun 1/31

1:20 pm-9:10 pm

3 stops43h 50m

$1,366

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 11/30

9:45 am-9:50 am

2 stops36h 05m

Siem Reap–Angkor Intl

Sun 1/31

10:45 am-10:45 pm

2 stops48h 00m

$1,383

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 11/30

9:45 am-9:50 am

2 stops36h 05m

Siem Reap–Angkor Intl

Wed 2/3

10:45 am-3:55 pm

2 stops41h 10m

$1,385

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 11/2

11:45 pm-12:40 pm

3 stops48h 55m

Siem Reap–Angkor Intl

Thu 12/3

11:50 pm-9:10 pm

3 stops57h 20m

$1,423

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Siem Reap from

How to get the cheapest flight ticket from Newark Airport to Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Newark to Siem Reap–Angkor Intl?

Emirates and ANA are the most popular carriers operating from Newark to Siem Reap–Angkor Intl

When to book flights from Newark Airport to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Newark Airport to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Newark Airport to Siem Reap (EWR to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Newark Airport to Siem Reap

Fastest flight time

33h 25m

Direct flights

None
The fastest flight from Newark Airport to Siem Reap takes 33h 25m
There are no direct flights from Newark Airport to Siem Reap. There are no popular flight routes from Newark Airport to Siem Reap.
Search flight deals

Frequently asked questions about flying from Newark Airport to Siem Reap

  • How far is Newark to Siem Reap–Angkor Intl by plane?

    Siem Reap–Angkor Intl is 8693.8 mi away from Newark. By plane, this route typically takes 33h 25m.

  • When did momondo last update prices for flights from Newark Airport to Siem Reap–Angkor Intl Airport?

    Prices for flights from Newark Airport to Siem Reap–Angkor Intl Airport were last updated today.

  • How old do you have to be to fly from Newark Airport to Siem Reap–Angkor Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Newark Airport to Siem Reap–Angkor Intl Airport.

  • What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

    The required travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from New York to Siem Reap?

Finding the right flight to Siem Reap from New York is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Siem Reap quick and easy, saving you time and money.

Can I find flights from New York to Siem Reap with flexible booking policies on momondo?

momondo does allow users to show only those flights to Siem Reap from New York which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from New York to Siem Reap?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New York to Siem Reap.

I’m not ready to book a flight from New York to Siem Reap right now. Can momondo alert me if prices change?

Price alerts on flights to Siem Reap from New York are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cabin classes currently available on flights to Siem Reap

List of cabin classes available on flights landing in Siem Reap. Availability may vary depending on flight origin and airline.
First Class to Siem Reap
Business Class to Siem Reap