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Cheap flights from Maryland to Siem Reap from $605

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 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
6:23 am - 3:10 pm
BWI
-
SAI
45h 47m
2 stops
Singapore Airlines Logo
10:30 am - 5:08 pm
SAI
-
BWI
41h 38m
2 stops
$1,207Singapore Airlines
Wed, Apr 8 - Wed, Apr 15
Singapore Airlines Logo
6:23 am - 3:10 pm
BWI
-
SAI
45h 47m
3 stops
Singapore Airlines Logo
10:30 am - 5:08 pm
SAI
-
BWI
41h 38m
2 stops
$1,219Singapore Airlines
Wed, Apr 8 - Wed, Apr 15
Multiple Airlines Logo
8:20 pm - 4:10 pm
IAD
-
SAI
32h 50m
2 stops
Multiple Airlines Logo
7:25 pm - 8:40 am
SAI
-
IAD
48h 15m
2 stops
$1,324Multiple Airlines
Thu, Apr 16 - Fri, Apr 24
Multiple Airlines Logo
9:00 pm - 3:10 pm
IAD
-
SAI
31h 10m
2 stops
Multiple Airlines Logo
7:10 pm - 8:40 am
SAI
-
IAD
48h 30m
2 stops
$1,333Multiple Airlines
Wed, Apr 8 - Wed, Apr 15
Multiple Airlines Logo
8:05 pm - 9:10 am
IAD
-
SAI
25h 05m
2 stops
Multiple Airlines Logo
6:50 pm - 4:55 pm
SAI
-
IAD
57h 05m
2 stops
$1,349Multiple Airlines
Sat, Mar 7 - Sat, Mar 14
Malaysia Airlines Logo
8:05 pm - 10:00 am
IAD
-
SAI
49h 55m
2 stops
Malaysia Airlines Logo
11:00 am - 9:20 am
SAI
-
IAD
33h 20m
2 stops
$1,359Malaysia Airlines
Sat, Mar 7 - Sat, Mar 14
Multiple Airlines Logo
8:05 pm - 9:10 am
IAD
-
SAI
25h 05m
2 stops
Multiple Airlines Logo
5:05 pm - 4:55 pm
SAI
-
IAD
58h 50m
3 stops
$1,365Multiple Airlines
Sat, Mar 7 - Sat, Mar 14
SWISS Logo
8:20 pm - 6:45 pm
IAD
-
SAI
35h 25m
2 stops
SWISS Logo
9:40 am - 4:45 pm
SAI
-
IAD
42h 05m
2 stops
$1,575SWISS
Mon, Jun 1 - Fri, Jun 12
United Airlines Logo
5:55 pm - 3:55 pm
DCA
-
SAI
58h 00m
2 stops
United Airlines Logo
4:45 pm - 9:45 pm
SAI
-
DCA
40h 00m
2 stops
$1,945United Airlines
Sat, Mar 7 - Sat, Mar 14
United Airlines Logo
12:32 pm - 3:55 pm
DCA
-
SAI
63h 23m
3 stops
United Airlines Logo
4:45 pm - 9:45 pm
SAI
-
DCA
40h 00m
2 stops
$1,952United Airlines
Sat, Mar 7 - Sat, Mar 14

Singapore Airlines flights from Maryland to Siem Reap

Our best Singapore Airlines deals on Maryland to Siem Reap flight tickets
Singapore Airlines
Apr 8
BWI6:23 amBaltimore/Washington
45h 47m
2 stops
SAI3:10 pmSiem Reap–Angkor Intl
Apr 15
SAI10:30 amSiem Reap–Angkor Intl
41h 38m
2 stops
BWI5:08 pmBaltimore/Washington
$1,207
Singapore Airlines
Apr 8
BWI6:23 amBaltimore/Washington
45h 47m
3 stops
SAI3:10 pmSiem Reap–Angkor Intl
Apr 15
SAI10:30 amSiem Reap–Angkor Intl
41h 38m
2 stops
BWI5:08 pmBaltimore/Washington
$1,219
Singapore Airlines
Mar 7
BWI6:31 pmBaltimore/Washington
57h 24m
2 stops
SAI3:55 pmSiem Reap–Angkor Intl
Mar 14
SAI4:45 pmSiem Reap–Angkor Intl
49h 34m
2 stops
BWI7:19 amBaltimore/Washington
$1,715

United Airlines flights from Maryland to Siem Reap

Our best United Airlines deals on Maryland to Siem Reap flight tickets
United Airlines
Mar 7
DCA5:55 pmWashington, D.C. Reagan-National
58h 00m
2 stops
SAI3:55 pmSiem Reap–Angkor Intl
Mar 14
SAI4:45 pmSiem Reap–Angkor Intl
40h 00m
2 stops
DCA9:45 pmWashington, D.C. Reagan-National
$1,945
United Airlines
Mar 7
DCA12:32 pmWashington, D.C. Reagan-National
63h 23m
3 stops
SAI3:55 pmSiem Reap–Angkor Intl
Mar 14
SAI4:45 pmSiem Reap–Angkor Intl
40h 00m
2 stops
DCA9:45 pmWashington, D.C. Reagan-National
$1,952
United Airlines
Jun 1
BWI6:40 pmBaltimore/Washington
28h 00m
2 stops
SAI9:40 amSiem Reap–Angkor Intl
Jun 12
SAI10:30 amSiem Reap–Angkor Intl
31h 40m
2 stops
BWI7:10 amBaltimore/Washington
$2,122

momondo Fare Finder

 
Customize your flight search to find flights from Maryland 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 February 5, 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

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Wed 4/8

6:23 am-3:10 pm

2 stops45h 47m

Siem Reap–Angkor Intl

Wed 4/15

10:30 am-5:08 pm

2 stops41h 38m

$1,207

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Wed 4/8

6:23 am-3:10 pm

3 stops45h 47m

Siem Reap–Angkor Intl

Wed 4/15

10:30 am-5:08 pm

2 stops41h 38m

$1,219

Washington, D.C.Siem Reap

IAD - SAI

IADSAI

Washington, D.C. Dulles Intl

Thu 4/16

8:20 pm-4:10 pm

2 stops32h 50m

Siem Reap–Angkor Intl

Fri 4/24

7:25 pm-8:40 am

2 stops48h 15m

$1,324

Washington, D.C.Siem Reap

IAD - SAI

IADSAI

Washington, D.C. Dulles Intl

Wed 4/8

9:00 pm-3:10 pm

2 stops31h 10m

Siem Reap–Angkor Intl

Wed 4/15

7:10 pm-8:40 am

2 stops48h 30m

$1,333

Washington, D.C.Siem Reap

IAD - SAI

IADSAI

Washington, D.C. Dulles Intl

Sat 3/7

8:05 pm-9:10 am

2 stops25h 05m

Siem Reap–Angkor Intl

Sat 3/14

6:50 pm-4:55 pm

2 stops57h 05m

$1,349

Washington, D.C.Siem Reap

IAD - SAI

IADSAI

Washington, D.C. Dulles Intl

Sat 3/7

8:05 pm-10:00 am

2 stops49h 55m

Siem Reap–Angkor Intl

Sat 3/14

11:00 am-9:20 am

2 stops33h 20m

$1,359

Washington, D.C.Siem Reap

IAD - SAI

IADSAI

Washington, D.C. Dulles Intl

Sat 3/7

8:05 pm-9:10 am

2 stops25h 05m

Siem Reap–Angkor Intl

Sat 3/14

5:05 pm-4:55 pm

3 stops58h 50m

$1,365

Washington, D.C.Siem Reap

IAD - SAI

IADSAI

Washington, D.C. Dulles Intl

Mon 6/1

8:20 pm-6:45 pm

2 stops35h 25m

Siem Reap–Angkor Intl

Fri 6/12

9:40 am-4:45 pm

2 stops42h 05m

$1,575

Washington, D.C.Siem Reap

DCA - SAI

DCASAI

Washington, D.C. Reagan-National

Sat 3/7

5:55 pm-3:55 pm

2 stops58h 00m

Siem Reap–Angkor Intl

Sat 3/14

4:45 pm-9:45 pm

2 stops40h 00m

$1,945

Washington, D.C.Siem Reap

DCA - SAI

DCASAI

Washington, D.C. Reagan-National

Sat 3/7

12:32 pm-3:55 pm

3 stops63h 23m

Siem Reap–Angkor Intl

Sat 3/14

4:45 pm-9:45 pm

2 stops40h 00m

$1,952

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Maryland 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 Maryland to Siem Reap–Angkor Intl?

Qatar Airways is the most popular carrier operating from Maryland to Siem Reap–Angkor Intl

Cheap Maryland to Siem Reap flight deals and tips

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

Fastest flight time

28h 00m

Direct flights

None
The fastest flight from Maryland to Siem Reap takes 28h 00m
There are no direct flights from Maryland to Siem Reap. There are no popular flight routes from Maryland to Siem Reap.
Search flight deals

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maryland 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 Maryland to Siem Reap?

It is quick and easy to find Maryland to Siem Reap flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Siem Reap that suits you.

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

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

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

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

If you are simply researching potential flights to Siem Reap, momondo offers a useful price alert feature which will track prices for flights to Siem Reap from Maryland and alert you when they change.

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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