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Cheap flights from Newark Airport to Siem Reap from $422

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 2/27. 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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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
8:10 pm - 3:55 pm
EWR
-
SAI
56h 45m
2 stops
United Airlines Logo
4:45 pm - 8:24 am
SAI
-
EWR
26h 39m
2 stops
$1,224United Airlines
Mon, Mar 9 - Tue, Mar 17
United Airlines Logo
6:00 am - 9:50 am
EWR
-
SAI
40h 50m
2 stops
United Airlines Logo
4:45 pm - 1:13 am
SAI
-
EWR
43h 28m
2 stops
$1,249United Airlines
Mon, Mar 9 - Sat, Mar 14
United Airlines Logo
8:10 pm - 9:50 am
EWR
-
SAI
50h 40m
2 stops
United Airlines Logo
4:45 pm - 1:13 am
SAI
-
EWR
43h 28m
2 stops
$1,274United Airlines
Sun, Mar 8 - Sat, Mar 14
Multiple Airlines Logo
12:05 pm - 11:00 am
EWR
-
SAI
35h 55m
3 stops
Multiple Airlines Logo
9:55 am - 4:26 pm
SAI
-
EWR
41h 31m
3 stops
$1,340Multiple Airlines
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
1:25 am - 6:45 pm
EWR
-
SAI
30h 20m
2 stops
Multiple Airlines Logo
7:25 pm - 11:30 pm
SAI
-
EWR
39h 05m
2 stops
$1,366Multiple Airlines
Mon, Mar 16 - Tue, Mar 24
Emirates Logo
11:55 pm - 6:45 pm
EWR
-
SAI
31h 50m
3 stops
Emirates Logo
12:55 pm - 9:20 pm
SAI
-
EWR
43h 25m
3 stops
$1,379Emirates
Mon, Mar 23 - Tue, Apr 28
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
$1,426Multiple Airlines
Thu, Apr 30 - Fri, May 8
Multiple Airlines Logo
12:05 pm - 11:00 am
EWR
-
SAI
35h 55m
3 stops
Multiple Airlines Logo
11:50 pm - 11:30 pm
SAI
-
EWR
34h 40m
2 stops
$1,457Multiple Airlines
Tue, Mar 17 - Tue, Mar 24
United Airlines Logo
8:15 pm - 9:40 am
EWR
-
SAI
50h 25m
2 stops
United Airlines Logo
10:30 am - 7:49 am
SAI
-
EWR
32h 19m
2 stops
$1,529United Airlines
Fri, May 1 - Fri, May 8
Singapore Airlines Logo
7:59 pm - 9:50 am
EWR
-
SAI
49h 51m
3 stops
Singapore Airlines Logo
10:45 am - 3:27 pm
SAI
-
EWR
39h 42m
2 stops
$1,550Singapore Airlines
Fri, Mar 6 - Wed, Mar 11

United Airlines flights from Newark Airport to Region of Siem Reap

Our best United Airlines deals on Newark Airport to Region of Siem Reap flight tickets
United Airlines
Mar 9
EWR8:10 pmNewark
56h 45m
2 stops
SAI3:55 pmSiem Reap–Angkor Intl
Mar 17
SAI4:45 pmSiem Reap–Angkor Intl
26h 39m
2 stops
EWR8:24 amNewark
$1,224
United Airlines
Mar 9
EWR6:00 amNewark
40h 50m
2 stops
SAI9:50 amSiem Reap–Angkor Intl
Mar 14
SAI4:45 pmSiem Reap–Angkor Intl
43h 28m
2 stops
EWR1:13 amNewark
$1,249
United Airlines
Mar 8
EWR8:10 pmNewark
50h 40m
2 stops
SAI9:50 amSiem Reap–Angkor Intl
Mar 18
SAI10:45 amSiem Reap–Angkor Intl
32h 39m
2 stops
EWR8:24 amNewark
$1,274

SWISS flights from Newark Airport to Region of Siem Reap

Our best SWISS deals on Newark Airport to Region of Siem Reap flight tickets
SWISS
Mar 8
EWR7:55 pmNewark
26h 55m
2 stops
SAI9:50 amSiem Reap–Angkor Intl
Mar 16
SAI4:45 pmSiem Reap–Angkor Intl
33h 10m
2 stops
EWR2:55 pmNewark
$1,894
SWISS
Mar 8
EWR7:55 pmNewark
26h 55m
2 stops
SAI9:50 amSiem Reap–Angkor Intl
Mar 16
SAI4:45 pmSiem Reap–Angkor Intl
33h 10m
2 stops
EWR2:55 pmNewark
$2,154
SWISS
Mar 23
EWR11:00 pmNewark
32h 45m
2 stops
SAI6:45 pmSiem Reap–Angkor Intl
Apr 28
SAI9:40 amSiem Reap–Angkor Intl
38h 40m
2 stops
EWR1:20 pmNewark
$3,350

momondo Fare Finder

 
Customize your flight search to find flights from Newark Airport to Region of 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 February 19, 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

Mon 3/9

8:10 pm-3:55 pm

2 stops56h 45m

Siem Reap–Angkor Intl

Tue 3/17

4:45 pm-8:24 am

2 stops26h 39m

$1,224

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 3/9

6:00 am-9:50 am

2 stops40h 50m

Siem Reap–Angkor Intl

Sat 3/14

4:45 pm-1:13 am

2 stops43h 28m

$1,249

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Sun 3/8

8:10 pm-9:50 am

2 stops50h 40m

Siem Reap–Angkor Intl

Sat 3/14

4:45 pm-1:13 am

2 stops43h 28m

$1,274

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Tue 3/17

12:05 pm-11:00 am

3 stops35h 55m

Siem Reap–Angkor Intl

Tue 3/24

9:55 am-4:26 pm

3 stops41h 31m

$1,340

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 3/16

1:25 am-6:45 pm

2 stops30h 20m

Siem Reap–Angkor Intl

Tue 3/24

7:25 pm-11:30 pm

2 stops39h 05m

$1,366

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Mon 3/23

11:55 pm-6:45 pm

3 stops31h 50m

Siem Reap–Angkor Intl

Tue 4/28

12:55 pm-9:20 pm

3 stops43h 25m

$1,379

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

7:30 pm-10:30 pm

2 stops38h 00m

$1,426

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Tue 3/17

12:05 pm-11:00 am

3 stops35h 55m

Siem Reap–Angkor Intl

Tue 3/24

11:50 pm-11:30 pm

2 stops34h 40m

$1,457

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Fri 5/1

8:15 pm-9:40 am

2 stops50h 25m

Siem Reap–Angkor Intl

Fri 5/8

10:30 am-7:49 am

2 stops32h 19m

$1,529

NewarkSiem Reap

EWR - SAI

EWRSAI

Newark

Fri 3/6

7:59 pm-9:50 am

3 stops49h 51m

Siem Reap–Angkor Intl

Wed 3/11

10:45 am-3:27 pm

2 stops39h 42m

$1,550

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Cheap Newark Airport to Region of Siem Reap flight deals and tips

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

Fastest flight time

26h 55m

Direct flights

None
The fastest flight from Newark Airport to Region of Siem Reap takes 26h 55m
There are no direct flights from Newark Airport to Region of Siem Reap. There are no popular flight routes from Newark Airport to Region of Siem Reap.
Search flight deals

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

    Prices for flights from Newark Airport to Siem Reap are updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Newark Airport to Siem Reap.

  • What documentation or ID do you need to fly to Siem Reap?

    The travel and health documents you'll need for your trip to Siem Reap may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Siem Reap. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Newark Airport to Region of Siem Reap?

    Confirm your travel details to search for the latest offers for flights from Newark Airport to Region of Siem Reap. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Newark Airport to Region of Siem Reap with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New York to Siem Reap for you.

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

Yes. All flights to Siem Reap from New York on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from New York to Siem Reap now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Siem Reap and let you know when they change.

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Find better results for your trip to Siem Reap

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