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Cheap flights from Newark Airport to Siem Reap from $722

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 3/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
United Airlines Logo
8:15 pm - 9:40 am
EWR
-
SAI
50h 25m
2 stops
United Airlines Logo
10:30 am - 5:39 pm
SAI
-
EWR
42h 09m
2 stops
$1,229United Airlines
Sun, Apr 5 - Wed, Apr 15
United Airlines Logo
6:00 pm - 9:40 am
EWR
-
SAI
28h 40m
2 stops
United Airlines Logo
10:30 am - 5:39 pm
SAI
-
EWR
42h 09m
2 stops
$1,254United Airlines
Mon, Apr 6 - Wed, Apr 15
Multiple Airlines Logo
12:25 am - 6:45 pm
EWR
-
SAI
31h 20m
2 stops
Multiple Airlines Logo
7:30 pm - 10:30 pm
SAI
-
EWR
38h 00m
2 stops
$1,260Multiple Airlines
Sat, May 2 - Mon, May 11
Multiple Airlines Logo
6:30 pm - 12:15 pm
EWR
-
SAI
30h 45m
2 stops
Multiple Airlines Logo
12:55 pm - 7:28 am
SAI
-
EWR
29h 33m
2 stops
$1,385Multiple Airlines
Fri, Apr 24 - Fri, May 1
United Airlines Logo
6:00 am - 9:40 am
EWR
-
SAI
40h 40m
2 stops
United Airlines Logo
10:30 am - 1:10 am
SAI
-
EWR
49h 40m
2 stops
$1,429United Airlines
Wed, May 13 - Mon, May 25
Emirates Logo
11:55 pm - 9:30 pm
EWR
-
SAI
34h 35m
3 stops
Emirates Logo
12:55 pm - 9:20 pm
SAI
-
EWR
43h 25m
3 stops
$1,443Emirates
Sun, May 3 - Mon, May 11
United Airlines Logo
8:15 pm - 9:40 am
EWR
-
SAI
50h 25m
2 stops
United Airlines Logo
10:30 am - 8:38 am
SAI
-
EWR
57h 08m
2 stops
$1,479United Airlines
Sun, Apr 5 - Fri, Apr 17
Multiple Airlines Logo
11:30 am - 9:15 am
EWR
-
SAI
34h 45m
3 stops
Multiple Airlines Logo
7:10 pm - 6:56 am
SAI
-
EWR
46h 46m
3 stops
$1,519Multiple Airlines
Fri, Apr 24 - Fri, May 1
Multiple Airlines Logo
12:25 am - 6:45 pm
EWR
-
SAI
31h 20m
2 stops
Multiple Airlines Logo
7:05 pm - 5:45 pm
SAI
-
EWR
33h 40m
3 stops
$1,543Multiple Airlines
Thu, Apr 23 - Fri, May 1
Multiple Airlines Logo
6:05 pm - 9:00 am
EWR
-
SAI
27h 55m
2 stops
Multiple Airlines Logo
7:30 pm - 4:33 pm
SAI
-
EWR
32h 03m
2 stops
$1,572Multiple Airlines
Sat, Jun 13 - Sun, Jun 21

United Airlines flights from Newark Airport to Siem Reap

Our best United Airlines deals on Newark Airport to Siem Reap flight tickets
United Airlines
Apr 5
EWR8:15 pmNewark
50h 25m
2 stops
SAI9:40 amSiem Reap–Angkor Intl
Apr 15
SAI10:30 amSiem Reap–Angkor Intl
42h 09m
2 stops
EWR5:39 pmNewark
$1,229
United Airlines
Apr 6
EWR6:00 pmNewark
28h 40m
2 stops
SAI9:40 amSiem Reap–Angkor Intl
Apr 15
SAI10:30 amSiem Reap–Angkor Intl
42h 09m
2 stops
EWR5:39 pmNewark
$1,254
United Airlines
May 13
EWR6:00 amNewark
40h 40m
2 stops
SAI9:40 amSiem Reap–Angkor Intl
May 25
SAI10:30 amSiem Reap–Angkor Intl
49h 40m
2 stops
EWR1:10 amNewark
$1,429

Emirates flights from Newark Airport to Siem Reap

Our best Emirates deals on Newark Airport to Siem Reap flight tickets
Emirates
May 3
EWR11:55 pmNewark
34h 35m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
May 11
SAI12:55 pmSiem Reap–Angkor Intl
43h 25m
3 stops
EWR9:20 pmNewark
$1,443
Emirates
Jul 28
EWR11:55 pmNewark
34h 35m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
Aug 2
SAI12:55 pmSiem Reap–Angkor Intl
43h 25m
3 stops
EWR9:20 pmNewark
$1,635
Emirates
Jul 29
EWR11:55 pmNewark
49h 20m
3 stops
SAI12:15 pmSiem Reap–Angkor Intl
Aug 3
SAI12:55 pmSiem Reap–Angkor Intl
43h 25m
3 stops
EWR9:20 pmNewark
$1,701

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 March 3, 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

Sun 4/5

8:15 pm-9:40 am

2 stops50h 25m

Siem Reap–Angkor Intl

Wed 4/15

10:30 am-5:39 pm

2 stops42h 09m

$1,229

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 4/6

6:00 pm-9:40 am

2 stops28h 40m

Siem Reap–Angkor Intl

Wed 4/15

10:30 am-5:39 pm

2 stops42h 09m

$1,254

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sat 5/2

12:25 am-6:45 pm

2 stops31h 20m

Siem Reap–Angkor Intl

Mon 5/11

7:30 pm-10:30 pm

2 stops38h 00m

$1,260

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

Wed 5/13

6:00 am-9:40 am

2 stops40h 40m

Siem Reap–Angkor Intl

Mon 5/25

10:30 am-1:10 am

2 stops49h 40m

$1,429

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 5/3

11:55 pm-9:30 pm

3 stops34h 35m

Siem Reap–Angkor Intl

Mon 5/11

12:55 pm-9:20 pm

3 stops43h 25m

$1,443

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 4/5

8:15 pm-9:40 am

2 stops50h 25m

Siem Reap–Angkor Intl

Fri 4/17

10:30 am-8:38 am

2 stops57h 08m

$1,479

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Fri 4/24

11:30 am-9:15 am

3 stops34h 45m

Siem Reap–Angkor Intl

Fri 5/1

7:10 pm-6:56 am

3 stops46h 46m

$1,519

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Thu 4/23

12:25 am-6:45 pm

2 stops31h 20m

Siem Reap–Angkor Intl

Fri 5/1

7:05 pm-5:45 pm

3 stops33h 40m

$1,543

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sat 6/13

6:05 pm-9:00 am

2 stops27h 55m

Siem Reap–Angkor Intl

Sun 6/21

7:30 pm-4:33 pm

2 stops32h 03m

$1,572

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?

United Airlines is the most popular carrier 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

29h 40m

Direct flights

None
The fastest flight from Newark Airport to Siem Reap takes 29h 40m
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

  • 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 29h 40m.

  • 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