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Siem Reap

$422+ Cheap flights from Pennsylvania to Siem Reap

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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SAI
Mar 17 — Mar 241
Tue 3/17
Tue 3/24
1 adult, Economy
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Cheap flight deals from Pennsylvania to Siem Reap

Cheapest flights from Pennsylvania to Siem Reap
Explore the most affordable flight options available from Pennsylvania to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.

This FlightHub deal was found by Cheapflights users on 2/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:55 pm
JFK
-
SAI
2 stops31h 15m
Singapore Airlines
Thu 4/3010:30 am
SAI
-
JFK
2 stops35h 40m
Singapore Airlines
Deal found 2/15$910
This FlightHub deal was found by Cheapflights users on 2/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:55 pm
JFK
-
SAI
2 stops31h 15m
Singapore Airlines
Fri 5/84:00 pm
SAI
-
JFK
2 stops30h 10m
Singapore Airlines
Deal found 2/15$1,052
This Justfly.com deal was found by Cheapflights users on 2/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/169:15 pm
JFK
-
SAI
2 stops31h 40m
Singapore Airlines
Mon 3/2310:45 am
SAI
-
JFK
2 stops36h 30m
Singapore Airlines
Deal found 2/14$1,064
This Singapore Airlines deal was found by Cheapflights users on 2/15. 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 4/268:55 pm
JFK
-
SAI
2 stops25h 45m
Singapore Airlines
Sun 5/310:30 am
SAI
-
JFK
2 stops35h 40m
Singapore Airlines
Deal found 2/15$1,085
This Justfly.com deal was found by Cheapflights users on 2/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/149:15 pm
JFK
-
SAI
2 stops31h 40m
Singapore Airlines
Sun 5/1010:30 am
SAI
-
JFK
2 stops35h 40m
Singapore Airlines
Deal found 2/13$1,086
This KAYAK deal was found by Cheapflights users on 2/11. 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 9/38:55 pm
JFK
-
SAI
2 stops25h 45m
Singapore Airlines
Mon 9/710:30 am
SAI
-
JFK
2 stops38h 59m
Singapore Airlines
Deal found 2/11$1,096
This Justfly.com deal was found by Cheapflights users on 2/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:15 pm
JFK
-
SAI
2 stops31h 40m
Singapore Airlines
Mon 3/1610:45 am
SAI
-
JFK
2 stops36h 30m
Singapore Airlines
Deal found 2/13$1,100
This oojo deal was found by Cheapflights users on 2/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/13:00 pm
JFK
-
SAI
2 stops53h 40m
Multiple Airlines
Tue 3/172:50 pm
SAI
-
JFK
2 stops29h 30m
Multiple Airlines
Deal found 2/13$1,101
This Emirates deal was found by Cheapflights users on 2/11. 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.
Thu 9/311:00 pm
JFK
-
SAI
2 stops26h 15m
Emirates
Mon 9/712:55 pm
SAI
-
JFK
3 stops41h 00m
Emirates
Deal found 2/11$1,110
This Trip.com deal was found by Cheapflights users on 2/13. 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.
Wed 8/198:55 pm
JFK
-
SAI
2 stops31h 15m
Singapore Airlines
Sun 9/64:00 pm
SAI
-
JFK
2 stops30h 10m
Singapore Airlines
Deal found 2/13$1,134
This Emirates deal was found by Cheapflights users on 2/13. 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 3/111:00 pm
JFK
-
SAI
2 stops34h 10m
Emirates
Tue 3/1711:50 pm
SAI
-
JFK
3 stops54h 05m
Emirates
Deal found 2/13$1,144
This United Airlines deal was found by Cheapflights users on 2/13. 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 8/197:00 am
EWR
-
SAI
2 stops39h 40m
United Airlines
Sun 9/610:30 am
SAI
-
EWR
2 stops66h 10m
United Airlines
Deal found 2/13$1,229

Find flight deals from Pennsylvania to Siem Reap

Keep the following information in mind while searching for Pennsylvania to Siem Reap flight deals. Data was last updated February 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$910
(FlightHub)

One-way from

$422
(Kiwi.com)
Provider with most accurate pricing for Philadelphia-Siem Reap–Angkor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Siem Reap–Angkor Intl flights.
Search Deals
From Pennsylvania to Siem Reap
Search Deals
One-way flight from Pennsylvania to Siem Reap
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 15, 2026.
Use the filters below to find and compare flights from Pennsylvania to Siem Reap that are best for you.

Fly from

Pennsylvania

Fly to

Siem Reap

Route

Depart

Return

Price

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Mon 4/20

8:55 pm-3:10 pm

2 stops31h 15m

Siem Reap–Angkor Intl

Thu 4/30

10:30 am-11:10 am

2 stops35h 40m

$910

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Fri 5/1

8:55 pm-3:10 pm

2 stops31h 15m

Siem Reap–Angkor Intl

Fri 5/8

4:00 pm-11:10 am

2 stops30h 10m

$1,052

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Sun 4/26

8:55 pm-9:40 am

2 stops25h 45m

Siem Reap–Angkor Intl

Sun 5/3

10:30 am-11:10 am

2 stops35h 40m

$1,085

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Tue 3/17

3:45 pm-8:40 am

2 stops53h 55m

Siem Reap–Angkor Intl

Tue 3/24

2:50 pm-9:20 am

2 stops29h 30m

$1,101

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Mon 3/16

9:15 pm-9:50 am

2 stops25h 35m

Siem Reap–Angkor Intl

Mon 3/23

4:45 pm-12:15 pm

2 stops30h 30m

$1,111

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Mon 4/20

10:20 pm-12:15 pm

3 stops50h 55m

Siem Reap–Angkor Intl

Thu 4/30

11:50 pm-6:55 pm

3 stops54h 05m

$1,173

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Sun 6/28

8:55 pm-9:40 am

2 stops25h 45m

Siem Reap–Angkor Intl

Fri 7/10

4:00 pm-11:10 am

2 stops30h 10m

$1,175

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Sat 3/14

10:20 pm-6:45 pm

3 stops57h 25m

Siem Reap–Angkor Intl

Sun 5/10

12:55 pm-8:50 am

2 stops54h 55m

$1,184

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Sun 3/8

9:15 pm-3:55 pm

2 stops31h 40m

Siem Reap–Angkor Intl

Mon 3/16

4:45 pm-12:15 pm

2 stops30h 30m

$1,185

New YorkSiem Reap

JFK - SAI

JFKSAI

New York John F Kennedy Intl

Sun 3/1

10:20 pm-6:40 pm

3 stops56h 20m

Siem Reap–Angkor Intl

Tue 3/17

11:50 pm-6:55 pm

3 stops54h 05m

$1,206

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 58 results
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Best time to book a flight from Pennsylvania to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Pennsylvania 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.

Cheapflights Insights

Everything you need to know about your flight from Pennsylvania to Siem Reap
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Pennsylvania to Region of Siem Reap?

    Airlines like Singapore Airlines and Emirates fly from Pennsylvania to Region of Siem Reap in about 31h 15m. The time it takes to get you to your destination can typically vary by up to 2h 10m. The distance between Pennsylvania and Region of Siem Reap is about 8696 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Pennsylvania to Siem Reap that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Siem Reap.

  • Can I find deals for business class flights from Pennsylvania to Siem Reap?

    Yes. Cheapflights offers flight deals from Pennsylvania 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 Pennsylvania to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.
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Fort Lauderdale to Phnom Penh flights
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Dulles Intl to Phnom Penh flights
Dulles Intl to Siem Reap flights
Kailua-Kona to Phnom Penh flights
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Los Angeles to Krong Preah Sihanouk flights
Lexington to Phnom Penh flights
LaGuardia to Siem Reap flights

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