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Cheap flights from Baltimore to Siem Reap from $2,166

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Siem Reap departing on 5/3. 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 Baltimore to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:20 pm - 9:40 am
BWI
-
SAI
52h 20m
2 stops
United Airlines Logo
10:30 am - 7:20 am
SAI
-
BWI
31h 50m
2 stops
$2,166United Airlines
Sun, May 3 - Sun, May 10
Singapore Airlines Logo
6:20 am - 9:40 am
BWI
-
SAI
40h 20m
2 stops
Singapore Airlines Logo
10:30 am - 6:09 pm
SAI
-
BWI
42h 39m
2 stops
$2,421Singapore Airlines
Wed, May 20 - Thu, May 28
Singapore Airlines Logo
6:20 am - 9:40 am
BWI
-
SAI
40h 20m
2 stops
Singapore Airlines Logo
10:30 am - 6:09 pm
SAI
-
BWI
42h 39m
2 stops
$2,462Singapore Airlines
Wed, May 20 - Thu, May 28
Singapore Airlines Logo
6:20 am - 9:40 am
BWI
-
SAI
40h 20m
2 stops
Singapore Airlines Logo
10:30 am - 6:09 pm
SAI
-
BWI
42h 39m
2 stops
$2,463Singapore Airlines
Wed, May 20 - Thu, May 28
Singapore Airlines Logo
6:20 am - 3:10 pm
BWI
-
SAI
45h 50m
2 stops
Singapore Airlines Logo
10:30 am - 6:09 pm
SAI
-
BWI
42h 39m
2 stops
$2,594Singapore Airlines
Wed, May 20 - Thu, May 28
Multiple Airlines Logo
9:30 pm - 6:45 pm
BWI
-
SAI
34h 15m
2 stops
Multiple Airlines Logo
12:55 pm - 7:40 pm
SAI
-
BWI
41h 45m
2 stops
$2,677Multiple Airlines
Fri, May 29 - Fri, Jul 17
Multiple Airlines Logo
9:30 pm - 6:45 pm
BWI
-
SAI
34h 15m
2 stops
Multiple Airlines Logo
9:40 am - 7:40 pm
SAI
-
BWI
45h 00m
2 stops
$2,788Multiple Airlines
Fri, Apr 10 - Sun, May 10
Singapore Airlines Logo
6:28 pm - 3:10 pm
BWI
-
SAI
33h 42m
2 stops
Singapore Airlines Logo
10:30 am - 5:08 pm
SAI
-
BWI
41h 38m
2 stops
$3,058Singapore Airlines
Fri, Apr 3 - Thu, Apr 30
Singapore Airlines Logo
6:35 pm - 9:40 am
BWI
-
SAI
52h 05m
3 stops
Singapore Airlines Logo
4:00 pm - 5:08 pm
SAI
-
BWI
36h 08m
2 stops
$3,145Singapore Airlines
Sun, May 3 - Sun, May 10
Singapore Airlines Logo
7:23 pm - 3:10 pm
BWI
-
SAI
32h 47m
2 stops
Singapore Airlines Logo
4:00 pm - 5:43 pm
SAI
-
BWI
60h 43m
3 stops
$3,180Singapore Airlines
Fri, May 29 - Fri, Jul 17

Singapore Airlines flights from Baltimore to Siem Reap

Our best Singapore Airlines deals on Baltimore to Siem Reap flight tickets
Singapore Airlines
May 20
BWI6:20 amBaltimore/Washington
40h 20m
2 stops
SAI9:40 amSiem Reap–Angkor Intl
May 28
SAI10:30 amSiem Reap–Angkor Intl
42h 39m
2 stops
BWI6:09 pmBaltimore/Washington
$2,421
Singapore Airlines
May 20
BWI6:20 amBaltimore/Washington
40h 20m
2 stops
SAI9:40 amSiem Reap–Angkor Intl
May 28
SAI10:30 amSiem Reap–Angkor Intl
42h 39m
2 stops
BWI6:09 pmBaltimore/Washington
$2,462
Singapore Airlines
May 20
BWI6:20 amBaltimore/Washington
40h 20m
2 stops
SAI9:40 amSiem Reap–Angkor Intl
May 28
SAI10:30 amSiem Reap–Angkor Intl
42h 39m
2 stops
BWI6:09 pmBaltimore/Washington
$2,463

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore 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 March 17, 2026.
Use the filters below to find and compare flights from Baltimore to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Sun 5/3

6:20 pm-9:40 am

2 stops52h 20m

Siem Reap–Angkor Intl

Sun 5/10

10:30 am-7:20 am

2 stops31h 50m

$2,166

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Wed 5/20

6:20 am-9:40 am

2 stops40h 20m

Siem Reap–Angkor Intl

Thu 5/28

10:30 am-6:09 pm

2 stops42h 39m

$2,421

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Wed 5/20

6:20 am-9:40 am

2 stops40h 20m

Siem Reap–Angkor Intl

Thu 5/28

10:30 am-6:09 pm

2 stops42h 39m

$2,462

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Wed 5/20

6:20 am-9:40 am

2 stops40h 20m

Siem Reap–Angkor Intl

Thu 5/28

10:30 am-6:09 pm

2 stops42h 39m

$2,463

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Wed 5/20

6:20 am-3:10 pm

2 stops45h 50m

Siem Reap–Angkor Intl

Thu 5/28

10:30 am-6:09 pm

2 stops42h 39m

$2,594

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Fri 5/29

9:30 pm-6:45 pm

2 stops34h 15m

Siem Reap–Angkor Intl

Fri 7/17

12:55 pm-7:40 pm

2 stops41h 45m

$2,677

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Fri 4/10

9:30 pm-6:45 pm

2 stops34h 15m

Siem Reap–Angkor Intl

Sun 5/10

9:40 am-7:40 pm

2 stops45h 00m

$2,788
Quickest round-trip

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Fri 4/3

6:28 pm-3:10 pm

2 stops33h 42m

Siem Reap–Angkor Intl

Thu 4/30

10:30 am-5:08 pm

2 stops41h 38m

$3,058

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Sun 5/3

6:35 pm-9:40 am

3 stops52h 05m

Siem Reap–Angkor Intl

Sun 5/10

4:00 pm-5:08 pm

2 stops36h 08m

$3,145

BaltimoreSiem Reap

BWI - SAI

BWISAI

Baltimore/Washington

Fri 5/29

7:23 pm-3:10 pm

2 stops32h 47m

Siem Reap–Angkor Intl

Fri 7/17

4:00 pm-5:43 pm

3 stops60h 43m

$3,180

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Baltimore to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to Siem Reap (BWI to SAI) flight deals and tips

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

Fastest flight time

33h 42m

Direct flights

None
The fastest flight from Baltimore to Siem Reap takes 33h 42m
There are no direct flights from Baltimore to Siem Reap. There are no popular flight routes from Baltimore to Siem Reap.
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  • How far is Baltimore/Washington to Siem Reap–Angkor Intl by plane?

    The straight-line distance from Baltimore/Washington to Siem Reap–Angkor Intl is 8792.9 mi. By plane, this route typically takes 33h 42m.

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

    Prices for flights from Baltimore/Washington Airport to Siem Reap–Angkor Intl Airport refresh daily.

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

    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 Baltimore/Washington Airport 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.

  • How do I get Price Alerts for flights from Baltimore to Siem Reap?

    Confirm your travel details to search for the latest offers for flights from Baltimore to 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 Baltimore to Siem Reap with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Baltimore to Siem Reap. momondo saves you time and could save you money on your trip.

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

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

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

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

Yes momondo offers price alerts on flights to Siem Reap from Baltimore. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices 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