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Cheap flights from Maryland to Siem Reap from $619

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maryland to Siem Reap departing on 5/10. 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
0 bags

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Find the cheapest flights from Maryland to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:35 pm - 8:55 pm
IAD
-
SAI
42h 20m
2 stops
Multiple Airlines Logo
7:10 pm - 9:45 am
SAI
-
IAD
49h 35m
2 stops
$1,199Multiple Airlines
Wed, Mar 18 - Sun, Mar 29
Multiple Airlines Logo
8:30 pm - 5:10 pm
PHL
-
SAI
33h 40m
2 stops
Multiple Airlines Logo
12:55 pm - 9:00 am
SAI
-
PHL
31h 05m
2 stops
$1,349Multiple Airlines
Sun, May 10 - Tue, May 26
Multiple Airlines Logo
8:30 pm - 5:10 pm
PHL
-
SAI
33h 40m
2 stops
Multiple Airlines Logo
7:30 pm - 9:00 am
SAI
-
PHL
48h 30m
2 stops
$1,357Multiple Airlines
Sun, May 10 - Wed, May 20
Multiple Airlines Logo
8:45 pm - 9:10 am
PHL
-
SAI
25h 25m
2 stops
Multiple Airlines Logo
9:30 pm - 9:00 am
SAI
-
PHL
46h 30m
2 stops
$1,543Multiple Airlines
Sun, Mar 15 - Sat, Mar 28
Multiple Airlines Logo
8:30 pm - 5:10 pm
PHL
-
SAI
33h 40m
2 stops
Multiple Airlines Logo
2:50 pm - 9:00 am
SAI
-
PHL
29h 10m
3 stops
$1,589Multiple Airlines
Sun, May 10 - Tue, May 26
Multiple Airlines Logo
10:25 am - 9:30 pm
PHL
-
SAI
48h 05m
3 stops
Multiple Airlines Logo
11:50 pm - 3:38 pm
SAI
-
PHL
50h 48m
3 stops
$1,623Multiple Airlines
Sun, May 10 - Tue, May 26
United Airlines Logo
9:55 am - 9:40 am
PHL
-
SAI
60h 45m
3 stops
United Airlines Logo
10:30 am - 1:29 am
SAI
-
PHL
49h 59m
2 stops
$1,720United Airlines
Sun, May 10 - Wed, May 20
Singapore Airlines Logo
9:59 am - 3:55 pm
DCA
-
SAI
42h 56m
2 stops
Singapore Airlines Logo
10:30 am - 8:00 pm
SAI
-
DCA
44h 30m
2 stops
$2,024Singapore Airlines
Wed, Mar 18 - Sun, Mar 29
Singapore Airlines Logo
6:13 am - 3:55 pm
BWI
-
SAI
46h 42m
2 stops
Singapore Airlines Logo
10:30 am - 5:08 pm
SAI
-
BWI
41h 38m
2 stops
$2,329Singapore Airlines
Wed, Mar 18 - Sun, Mar 29
Singapore Airlines Logo
6:13 am - 9:50 am
BWI
-
SAI
40h 37m
3 stops
Singapore Airlines Logo
10:30 am - 5:08 pm
SAI
-
BWI
41h 38m
2 stops
$3,339Singapore Airlines
Wed, Mar 18 - Sun, Mar 29

Singapore Airlines flights from Maryland to Region of Siem Reap

Our best Singapore Airlines deals on Maryland to Region of Siem Reap flight tickets
Singapore Airlines
Mar 18
DCA9:59 amWashington, D.C. Reagan-National
42h 56m
2 stops
SAI3:55 pmSiem Reap–Angkor Intl
Mar 29
SAI10:30 amSiem Reap–Angkor Intl
44h 30m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
$2,024
Singapore Airlines
Mar 18
BWI6:13 amBaltimore/Washington
46h 42m
2 stops
SAI3:55 pmSiem Reap–Angkor Intl
Mar 29
SAI10:30 amSiem Reap–Angkor Intl
41h 38m
2 stops
BWI5:08 pmBaltimore/Washington
$2,329
Singapore Airlines
Mar 18
BWI6:13 amBaltimore/Washington
40h 37m
3 stops
SAI9:50 amSiem Reap–Angkor Intl
Mar 29
SAI10:30 amSiem Reap–Angkor Intl
41h 38m
2 stops
BWI5:08 pmBaltimore/Washington
$3,339

momondo Fare Finder

 
Customize your flight search to find flights from Maryland 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 22, 2026.
Use the filters below to find and compare flights from Maryland to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Siem Reap

IAD - SAI

IADSAI

Washington, D.C. Dulles Intl

Wed 3/18

3:35 pm-8:55 pm

2 stops42h 20m

Siem Reap–Angkor Intl

Sun 3/29

7:10 pm-9:45 am

2 stops49h 35m

$1,199

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

Sun 5/10

8:30 pm-5:10 pm

2 stops33h 40m

Siem Reap–Angkor Intl

Tue 5/26

12:55 pm-9:00 am

2 stops31h 05m

$1,349

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

Sun 5/10

8:30 pm-5:10 pm

2 stops33h 40m

Siem Reap–Angkor Intl

Wed 5/20

7:30 pm-9:00 am

2 stops48h 30m

$1,357

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

Sun 3/15

8:45 pm-9:10 am

2 stops25h 25m

Siem Reap–Angkor Intl

Sat 3/28

9:30 pm-9:00 am

2 stops46h 30m

$1,543

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

Sun 5/10

8:30 pm-5:10 pm

2 stops33h 40m

Siem Reap–Angkor Intl

Tue 5/26

2:50 pm-9:00 am

3 stops29h 10m

$1,589

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

Sun 5/10

10:25 am-9:30 pm

3 stops48h 05m

Siem Reap–Angkor Intl

Tue 5/26

11:50 pm-3:38 pm

3 stops50h 48m

$1,623

PhiladelphiaSiem Reap

PHL - SAI

PHLSAI

Philadelphia

Sun 5/10

9:55 am-9:40 am

3 stops60h 45m

Siem Reap–Angkor Intl

Wed 5/20

10:30 am-1:29 am

2 stops49h 59m

$1,720

Washington, D.C.Siem Reap

DCA - SAI

DCASAI

Washington, D.C. Reagan-National

Wed 3/18

9:59 am-3:55 pm

2 stops42h 56m

Siem Reap–Angkor Intl

Sun 3/29

10:30 am-8:00 pm

2 stops44h 30m

$2,024

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Wed 3/18

6:13 am-3:55 pm

2 stops46h 42m

Siem Reap–Angkor Intl

Sun 3/29

10:30 am-5:08 pm

2 stops41h 38m

$2,329

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Wed 3/18

6:13 am-9:50 am

3 stops40h 37m

Siem Reap–Angkor Intl

Sun 3/29

10:30 am-5:08 pm

2 stops41h 38m

$3,339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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Cheap Maryland to Region of Siem Reap flight deals and tips

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

Fastest flight time

25h 25m

Direct flights

None
The fastest flight from Maryland to Region of Siem Reap takes 25h 25m
There are no direct flights from Maryland to Region of Siem Reap. There are no popular flight routes from Maryland to Region of Siem Reap.
Search flight deals

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

    Prices for flights from Maryland to Siem Reap refresh daily.

  • How old do you have to be to fly from Maryland 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 Maryland 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 Maryland to Region of Siem Reap?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Maryland from Region of Siem Reap. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

Finding the right flight to Siem Reap from Maryland 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 Maryland to Siem Reap with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Maryland to Siem Reap flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Maryland and Siem Reap by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Siem Reap from Maryland 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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