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$249+ Cheap flights from Waterloo, IA (ALO) to Maryland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — BWI
Oct 13 — Oct 201
Mon 10/13
Mon 10/20
1 adult, Economy
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Cheap flight deals from Waterloo to Maryland

Keep the following information in mind while searching for Waterloo to Maryland flight deals. Data was last updated September 13, 2025.

Round-trip from

$249
(American Airlines)
From Waterloo to Maryland
Search Deals

Find 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 September 13, 2025.

This American Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 10/156:00 amALO - PHL
1 stop4h 44mAmerican Airlines
Sat 10/189:19 amPHL - ALO
1 stop6h 36mAmerican Airlines
Deal found 9/11$249
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 9/276:00 amALO - BWI
1 stop3h 53mAmerican Airlines
Wed 10/16:20 pmBWI - ALO
1 stop4h 45mAmerican Airlines
Deal found 9/12$259
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 12/136:00 amALO - DCA
2 stops12h 00mAmerican Airlines
Tue 12/1610:02 amDCA - ALO
2 stops11h 02mAmerican Airlines
Deal found 9/10$440
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 9/276:00 amALO - DCA
1 stop3h 55mAmerican Airlines
Wed 10/112:25 pmDCA - ALO
1 stop5h 04mAmerican Airlines
Deal found 9/12$463
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 12/136:00 amALO - IAD
2 stops12h 31mAmerican Airlines
Tue 12/165:29 pmIAD - ALO
2 stops27h 35mAmerican Airlines
Deal found 9/10$710
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 9/153:38 pmALO - PHL
1 stop5h 22mAmerican Airlines
Wed 9/174:00 pmPHL - ALO
1 stop7h 05mAmerican Airlines
Deal found 9/11$884

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 September 13, 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

WaterlooPhiladelphia

ALO - PHL

ALOPHL

Waterloo

Wed 10/15

6:00 am-11:44 am

1 stop4h 44m

Philadelphia

Sat 10/18

9:19 am-2:55 pm

1 stop6h 36m

$249

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Sat 9/27

6:00 am-10:53 am

1 stop3h 53m

Baltimore/Washington

Wed 10/1

6:20 pm-10:05 pm

1 stop4h 45m

$259

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Sat 3/7

2:51 pm-9:40 pm

1 stop5h 49m

Baltimore/Washington

Wed 3/11

6:29 pm-10:01 pm

1 stop4h 32m

$349

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Sat 12/13

6:00 am-7:00 pm

2 stops12h 00m

Washington, D.C. Reagan-National

Tue 12/16

10:02 am-8:04 pm

2 stops11h 02m

$440

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Sat 9/27

6:00 am-10:55 am

1 stop3h 55m

Washington, D.C. Reagan-National

Wed 10/1

12:25 pm-4:29 pm

1 stop5h 04m

$463

WaterlooSalisbury

ALO - SBY

ALOSBY

Waterloo

Sat 3/7

2:51 pm-9:59 pm

2 stops6h 08m

Salisbury-Ocean City

Tue 3/10

12:02 pm-10:01 pm

2 stops10h 59m

$561

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Sat 12/13

6:00 am-7:31 pm

2 stops12h 31m

Washington, D.C. Dulles Intl

Tue 12/16

5:29 pm-8:04 pm

2 stops27h 35m

$710

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Wed 1/14

6:00 am-7:32 pm

3 stops12h 32m

Washington, D.C. Dulles Intl

Fri 1/16

2:00 pm-10:01 pm

2 stops9h 01m

$815

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Wed 1/14

2:51 pm-10:15 pm

1 stop6h 24m

Washington, D.C. Reagan-National

Fri 1/16

9:29 am-2:20 pm

1 stop5h 51m

$904

WaterlooPhiladelphia

ALO - PHL

ALOPHL

Waterloo

Sun 11/30

3:17 pm-11:47 pm

1 stop7h 30m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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, August is the cheapest month in which you can book a flight from Waterloo, Iowa to Maryland (average of $241). Flying from Waterloo, Iowa to Maryland in March is currently the most expensive (average of $290). 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 $249, American Airlines can have you in Maryland from Waterloo, Iowa in 4h 44m. Airlines will cover a distance of 909 mi.

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

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

  • 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, August is the cheapest month in which you can book a flight from Waterloo, Iowa to Maryland (average of $241). Flying from Waterloo, Iowa to Maryland in March is currently the most expensive (average of $290). 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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