Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Maryland to Siem Reap from $623

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 9/21. 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
1 adult, Economy, 0 bags

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
2:35 pm - 12:40 pmIAD  Washington, D.C. Dulles Intl-SAI Siem Reap–Angkor Intl
34h 05m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
2:50 pm - 9:05 amSAI  Siem Reap–Angkor Intl-IAD Washington, D.C. Dulles Intl
30h 15m2 stops Phnom Penh Techo Intl Abu Dhabi Zayed Intl
$1,270Multiple Airlines
Mon, Feb 8 - Thu, Feb 18
Multiple Airlines Logo
11:55 pm - 6:45 pmIAD  Washington, D.C. Dulles Intl-SAI Siem Reap–Angkor Intl
30h 50m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:20 pm - 8:55 pmSAI  Siem Reap–Angkor Intl-IAD Washington, D.C. Dulles Intl
43h 35m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,280Multiple Airlines
Mon, Feb 8 - Thu, Feb 18
Multiple Airlines Logo
1:50 am - 6:55 pmIAD  Washington, D.C. Dulles Intl-SAI Siem Reap–Angkor Intl
30h 05m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:40 am - 10:00 pmSAI  Siem Reap–Angkor Intl-IAD Washington, D.C. Dulles Intl
23h 20m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
$1,304Multiple Airlines
Mon, Aug 31 - Wed, Sep 30
Multiple Airlines Logo
8:45 pm - 6:45 pmPHL  Philadelphia-SAI Siem Reap–Angkor Intl
34h 00m2 stops Doha Hamad Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:20 pm - 2:50 pmSAI  Siem Reap–Angkor Intl-PHL Philadelphia
37h 30m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
$1,356Multiple Airlines
Wed, Nov 4 - Sat, Nov 14
Multiple Airlines Logo
8:45 pm - 9:15 amPHL  Philadelphia-SAI Siem Reap–Angkor Intl
24h 30m2 stops Doha Hamad Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
7:25 pm - 2:50 pmSAI  Siem Reap–Angkor Intl-PHL Philadelphia
31h 25m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
$1,362Multiple Airlines
Wed, Nov 4 - Sat, Nov 14
Multiple Airlines Logo
8:45 pm - 6:45 pmPHL  Philadelphia-SAI Siem Reap–Angkor Intl
34h 00m2 stops Doha Hamad Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
7:25 pm - 2:50 pmSAI  Siem Reap–Angkor Intl-PHL Philadelphia
31h 25m2 stops Bangkok Suvarnabhumi Doha Hamad Intl
$1,364Multiple Airlines
Thu, Nov 12 - Sat, Nov 21
Multiple Airlines Logo
10:55 pm - 4:00 pmIAD  Washington, D.C. Dulles Intl-SAI Siem Reap–Angkor Intl
53h 05m2 stops Munich Franz Josef Strauss Singapore Changi
Multiple Airlines Logo
1:20 pm - 2:10 pmSAI  Siem Reap–Angkor Intl-IAD Washington, D.C. Dulles Intl
60h 50m2 stops Bangkok Suvarnabhumi Vienna Intl
$1,392Multiple Airlines
Thu, Nov 5 - Sun, Nov 15
Singapore Airlines Logo
8:37 am - 4:00 pmBWI  Baltimore/Washington-SAI Siem Reap–Angkor Intl
43h 23m2 stops Los Angeles Singapore Changi
Singapore Airlines Logo
10:45 am - 5:36 pmSAI  Siem Reap–Angkor Intl-BWI Baltimore/Washington
42h 51m2 stops Singapore Changi Los Angeles
$1,398Singapore Airlines
Mon, Feb 8 - Thu, Feb 18
Singapore Airlines Logo
9:30 am - 4:00 pmDCA  Washington, D.C. Reagan-National-SAI Siem Reap–Angkor Intl
42h 30m2 stops Los Angeles Singapore Changi
Singapore Airlines Logo
10:45 am - 8:00 pmSAI  Siem Reap–Angkor Intl-DCA Washington, D.C. Reagan-National
45h 15m2 stops Singapore Changi Los Angeles
$1,407Singapore Airlines
Mon, Feb 8 - Thu, Feb 18
Singapore Airlines Logo
9:30 am - 4:00 pmDCA  Washington, D.C. Reagan-National-SAI Siem Reap–Angkor Intl
42h 30m2 stops Los Angeles Singapore Changi
Singapore Airlines Logo
10:45 am - 8:00 pmSAI  Siem Reap–Angkor Intl-DCA Washington, D.C. Reagan-National
45h 15m2 stops Singapore Changi Los Angeles
$1,421Singapore Airlines
Mon, Feb 8 - Thu, Feb 18

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

ANA flights from Maryland to Siem Reap

Our best ANA deals on Maryland to Siem Reap flight tickets
ANA
Jan 4
IAD8:15 amWashington, D.C. Dulles Intl
44h 40m
3 stops
SAI4:55 pmSiem Reap–Angkor Intl
Jan 9
SAI6:40 pmSiem Reap–Angkor Intl
50h 30m
2 stops
IAD9:10 amWashington, D.C. Dulles Intl
$1,702
ANA
Jan 4
IAD8:15 amWashington, D.C. Dulles Intl
44h 40m
3 stops
SAI4:55 pmSiem Reap–Angkor Intl
Jan 9
SAI6:40 pmSiem Reap–Angkor Intl
36h 29m
3 stops
IAD7:09 pmWashington, D.C. Dulles Intl
$2,371

Etihad Airways flights from Maryland to Siem Reap

Our best Etihad Airways deals on Maryland to Siem Reap flight tickets
Etihad Airways
Nov 4
PHL10:30 amPhiladelphia
38h 10m
3 stops
SAI12:40 pmSiem Reap–Angkor Intl
Nov 14
SAI9:55 amSiem Reap–Angkor Intl
43h 37m
3 stops
PHL5:32 pmPhiladelphia
$1,911
Etihad Airways
Nov 4
PHL10:30 amPhiladelphia
38h 10m
3 stops
SAI12:40 pmSiem Reap–Angkor Intl
Nov 14
SAI9:55 amSiem Reap–Angkor Intl
43h 37m
3 stops
PHL5:32 pmPhiladelphia
$1,929
Etihad Airways
Nov 4
PHL10:30 amPhiladelphia
38h 10m
3 stops
SAI12:40 pmSiem Reap–Angkor Intl
Nov 14
SAI9:55 amSiem Reap–Angkor Intl
43h 37m
3 stops
PHL5:32 pmPhiladelphia
$2,015

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 August 15, 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

Cheapest round-trip

Washington, D.C.Siem Reap

IAD Washington, D.C. Dulles Intl - SAI Siem Reap–Angkor Intl

IADSAI

Washington, D.C. Dulles Intl

Mon 2/8

2:35 pm-12:40 pm

2 stops34h 05m

Siem Reap–Angkor Intl

Thu 2/18

2:50 pm-9:05 am

2 stops30h 15m

$1,270

Washington, D.C.Siem Reap

IAD Washington, D.C. Dulles Intl - SAI Siem Reap–Angkor Intl

IADSAI

Washington, D.C. Dulles Intl

Mon 2/8

11:55 pm-6:45 pm

2 stops30h 50m

Siem Reap–Angkor Intl

Thu 2/18

1:20 pm-8:55 pm

2 stops43h 35m

$1,280
Quickest round-trip

Washington, D.C.Siem Reap

IAD Washington, D.C. Dulles Intl - SAI Siem Reap–Angkor Intl

IADSAI

Washington, D.C. Dulles Intl

Mon 8/31

1:50 am-6:55 pm

2 stops30h 05m

Siem Reap–Angkor Intl

Wed 9/30

9:40 am-10:00 pm

2 stops23h 20m

$1,304

PhiladelphiaSiem Reap

PHL Philadelphia - SAI Siem Reap–Angkor Intl

PHLSAI

Philadelphia

Wed 11/4

8:45 pm-6:45 pm

2 stops34h 00m

Siem Reap–Angkor Intl

Sat 11/14

1:20 pm-2:50 pm

2 stops37h 30m

$1,356

PhiladelphiaSiem Reap

PHL Philadelphia - SAI Siem Reap–Angkor Intl

PHLSAI

Philadelphia

Wed 11/4

8:45 pm-9:15 am

2 stops24h 30m

Siem Reap–Angkor Intl

Sat 11/14

7:25 pm-2:50 pm

2 stops31h 25m

$1,362

PhiladelphiaSiem Reap

PHL Philadelphia - SAI Siem Reap–Angkor Intl

PHLSAI

Philadelphia

Thu 11/12

8:45 pm-6:45 pm

2 stops34h 00m

Siem Reap–Angkor Intl

Sat 11/21

7:25 pm-2:50 pm

2 stops31h 25m

$1,364

Washington, D.C.Siem Reap

IAD Washington, D.C. Dulles Intl - SAI Siem Reap–Angkor Intl

IADSAI

Washington, D.C. Dulles Intl

Thu 11/5

10:55 pm-4:00 pm

2 stops53h 05m

Siem Reap–Angkor Intl

Sun 11/15

1:20 pm-2:10 pm

2 stops60h 50m

$1,392

BaltimoreSiem Reap

BWI Baltimore/Washington - SAI Siem Reap–Angkor Intl

BWISAI

Baltimore/Washington

Mon 2/8

8:37 am-4:00 pm

2 stops43h 23m

Siem Reap–Angkor Intl

Thu 2/18

10:45 am-5:36 pm

2 stops42h 51m

$1,398

Washington, D.C.Siem Reap

DCA Washington, D.C. Reagan-National - SAI Siem Reap–Angkor Intl

DCASAI

Washington, D.C. Reagan-National

Mon 2/8

9:30 am-4:00 pm

2 stops42h 30m

Siem Reap–Angkor Intl

Thu 2/18

10:45 am-8:00 pm

2 stops45h 15m

$1,407

Washington, D.C.Siem Reap

DCA Washington, D.C. Reagan-National - SAI Siem Reap–Angkor Intl

DCASAI

Washington, D.C. Reagan-National

Mon 2/8

9:30 am-4:00 pm

2 stops42h 30m

Siem Reap–Angkor Intl

Thu 2/18

10:45 am-8:00 pm

2 stops45h 15m

$1,421

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Siem Reap from

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?

Etihad Airways, Qatar Airways, and Singapore Airlines are the most popular carriers 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

24h 30m

Direct flights

None
The fastest flight from Maryland to Siem Reap takes 24h 30m
There are no direct flights from Maryland to Siem Reap. There are no popular flight routes from Maryland to Siem Reap.
Search flight deals

Frequently asked questions about flying from Maryland to Siem Reap

  • 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.

An easier way to manage your Siem Reap trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 9/14
Mon 9/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Cambodia

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