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$411+ Cheap flights from Waterloo, IA (ALO) to Maryland

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — BWI
janv. 14 — janv. 211
mer. 1/14
mer. 1/21
1 adult, Economy
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Cheap flight deals from Waterloo to Maryland

Cheapest flights from Waterloo to Maryland
Explore the most affordable flight options available from Waterloo to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on décembre 15, 2025.

This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:40 amALO - BWI
1 stop4h 35mAmerican Airlines
sam. 1/37:59 pmBWI - ALO
1 stop4h 46mAmerican Airlines
Deal found 12/15$585

Find flight deals from Waterloo to Maryland

Keep the following information in mind while searching for Waterloo to Maryland flight deals. Data was last updated décembre 15, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$547
(American Airlines)

One-way from

$411
(American Airlines)
Provider with most accurate pricing for Waterloo-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Waterloo-Washington, D.C. (WAS) flights.
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From Waterloo to Maryland
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One-way flight from Waterloo to Maryland
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Waterloo to Maryland 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 décembre 15, 2025.
Use the filters below to find and compare flights from Waterloo to Maryland that are best for you.

Fly from

Waterloo

Fly to

Maryland

Route

Depart

Return

Price

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

dim. 1/11

3:23 pm-11:21 pm

2 stops6h 58m

Baltimore/Washington

dim. 1/18

9:00 am-2:53 pm

1 stop6h 53m

$547

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

mar. 12/30

5:40 am-11:15 am

1 stop4h 35m

Baltimore/Washington

sam. 1/3

7:59 pm-11:45 pm

1 stop4h 46m

$585

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

dim. 1/11

3:23 pm-10:55 pm

1 stop6h 32m

Washington, D.C. Reagan-National

dim. 1/18

9:33 am-2:53 pm

1 stop6h 20m

$587

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

dim. 1/11

3:23 pm-11:12 pm

2 stops6h 49m

Washington, D.C. Dulles Intl

dim. 1/18

7:04 am-2:53 pm

2 stops8h 49m

$639

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

mer. 4/8

2:45 pm-9:39 pm

2 stops5h 54m

Baltimore/Washington

mer. 4/22

2:11 pm-9:42 pm

2 stops8h 31m

$669

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

mer. 4/8

2:45 pm-12:25 am

2 stops8h 40m

Baltimore/Washington

mar. 4/21

6:47 am-2:27 pm

2 stops8h 40m

$669

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

sam. 4/11

2:45 pm-12:25 am

2 stops8h 40m

Baltimore/Washington

mer. 4/22

2:11 pm-9:42 pm

2 stops8h 31m

$741

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

sam. 4/11

2:45 pm-12:25 am

2 stops8h 40m

Baltimore/Washington

mar. 4/21

6:47 am-2:27 pm

2 stops8h 40m

$741

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

mer. 4/8

6:05 am-3:53 pm

2 stops8h 48m

Baltimore/Washington

jeu. 4/23

6:25 pm-9:42 pm

1 stop4h 17m

$778

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

mer. 4/8

2:45 pm-12:25 am

2 stops8h 40m

Baltimore/Washington

lun. 4/20

11:15 am-2:27 pm

1 stop4h 12m

$778

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 24 results
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Best time to book a flight from Waterloo to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland from Waterloo 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 Waterloo to Maryland

What is the cheapest month to book a flight from Waterloo, Iowa to Maryland?

Currently, July is the cheapest month in which you can book a flight from Waterloo, Iowa to Maryland (average of $190). Flying from Waterloo, Iowa to Maryland in March is currently the most expensive (average of $318). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

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

  • What airport do you fly from for flights from Waterloo to Maryland?

    If you book a flight to Maryland from Waterloo, you will be flying from Waterloo, which is the city’s only airport. Waterloo (ALO) is located 5.3 mi from the center of Waterloo.

  • How long is the flight from Waterloo, Iowa to Maryland?

    For as low as $547, American Airlines can have you in Maryland from Waterloo, Iowa in 6h 58m. Airlines will cover a distance of 853 mi.

  • What are the most popular routes from Waterloo, Iowa to Maryland?

    The most popular flight routes from Waterloo, Iowa to Maryland are Waterloo - Baltimore/Washington, Waterloo - Washington, D.C. Reagan-National and Waterloo - Washington, D.C. Dulles Intl.

  • Can I find deals for flights from Waterloo to Maryland that include hotel bookings?

    Yes. In addition to deals on Waterloo to Maryland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Waterloo to Maryland?

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

  • Can I find deals for business class flights from Waterloo to Maryland?

    Yes. Cheapflights offers flight deals from Waterloo to Maryland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Waterloo, Iowa to Maryland?

    Currently, July is the cheapest month in which you can book a flight from Waterloo, Iowa to Maryland (average of $190). Flying from Waterloo, Iowa to Maryland in March is currently the most expensive (average of $318). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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