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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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — BWI
nov. 27 — déc. 41
jeu. 11/27
jeu. 12/4
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 octobre 28, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$249
(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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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 octobre 28, 2025.

This American Airlines deal was found by Cheapflights users on 10/27. 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. 12/96:00 amALO - PHL
1 stop6h 15mAmerican Airlines
mar. 12/162:19 pmPHL - ALO
1 stop6h 45mAmerican Airlines
Deal found 10/27$249
This American Airlines deal was found by Cheapflights users on 10/27. 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. 11/116:00 amALO - BWI
1 stop4h 22mAmerican Airlines
sam. 11/1511:34 amBWI - ALO
1 stop4h 24mAmerican Airlines
Deal found 10/27$259
This American Airlines deal was found by Cheapflights users on 10/27. 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.
lun. 12/225:50 amALO - PHL
1 stop4h 41mAmerican Airlines
lun. 12/293:35 pmPHL - ALO
2 stops9h 10mAmerican Airlines
Deal found 10/27$360
This American Airlines deal was found by Cheapflights users on 10/27. 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.
lun. 12/223:12 pmALO - PHL
1 stop5h 36mAmerican Airlines
sam. 12/276:56 pmPHL - ALO
1 stop5h 49mAmerican Airlines
Deal found 10/27$453
This American Airlines deal was found by Cheapflights users on 10/27. 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.
lun. 12/223:12 pmALO - PHL
1 stop5h 36mAmerican Airlines
dim. 12/288:34 amPHL - ALO
2 stops7h 05mAmerican Airlines
Deal found 10/27$465
This American Airlines deal was found by Cheapflights users on 10/27. 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. 11/116:00 amALO - DCA
1 stop5h 59mAmerican Airlines
sam. 11/159:45 amDCA - ALO
1 stop6h 13mAmerican Airlines
Deal found 10/27$483
This American Airlines deal was found by Cheapflights users on 10/28. 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.
jeu. 11/206:00 amALO - DCA
1 stop5h 42mAmerican Airlines
sam. 11/223:00 pmDCA - ALO
2 stops9h 48mAmerican Airlines
Deal found 10/28$504
This American Airlines deal was found by Cheapflights users on 10/26. 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.
sam. 12/136:00 amALO - DCA
2 stops12h 11mAmerican Airlines
mar. 12/168:36 amDCA - ALO
2 stops12h 28mAmerican Airlines
Deal found 10/26$506
This American Airlines deal was found by Cheapflights users on 10/28. 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.
sam. 11/226:00 amALO - BWI
1 stop4h 17mAmerican Airlines
mer. 11/267:37 pmBWI - ALO
1 stop5h 11mAmerican Airlines
Deal found 10/28$508
This American Airlines deal was found by Cheapflights users on 10/26. 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.
sam. 12/133:26 pmALO - IAD
2 stops7h 35mAmerican Airlines
mar. 12/1611:25 amIAD - ALO
2 stops9h 39mAmerican Airlines
Deal found 10/26$529
This American Airlines deal was found by Cheapflights users on 10/26. 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.
jeu. 11/206:00 amALO - DCA
1 stop3h 59mAmerican Airlines
dim. 11/232:59 pmDCA - ALO
2 stops9h 49mAmerican Airlines
Deal found 10/26$536
This American Airlines deal was found by Cheapflights users on 10/26. 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.
jeu. 11/206:00 amALO - IAD
2 stops9h 02mAmerican Airlines
dim. 11/231:58 pmIAD - ALO
2 stops10h 50mAmerican Airlines
Deal found 10/26$579

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 octobre 28, 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

mar. 12/9

6:00 am-4:39 pm

2 stops9h 39m

Philadelphia

mar. 12/16

2:19 pm-8:04 pm

1 stop6h 45m

$254

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

jeu. 1/29

6:00 am-1:56 pm

2 stops6h 56m

Baltimore/Washington

lun. 2/2

6:31 pm-10:23 pm

1 stop4h 52m

$254

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

mar. 11/11

6:00 am-11:22 am

1 stop4h 22m

Baltimore/Washington

sam. 11/15

11:34 am-2:58 pm

1 stop4h 24m

$259

WaterlooPhiladelphia

ALO - PHL

ALOPHL

Waterloo

lun. 12/22

5:50 am-11:31 am

1 stop4h 41m

Philadelphia

lun. 12/29

3:35 pm-11:45 pm

2 stops9h 10m

$360

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

sam. 3/7

6:00 am-3:50 pm

2 stops8h 50m

Baltimore/Washington

mer. 3/11

6:29 pm-10:01 pm

1 stop4h 32m

$364

WaterlooPhiladelphia

ALO - PHL

ALOPHL

Waterloo

sam. 4/11

6:05 am-12:55 pm

1 stop5h 50m

Philadelphia

mer. 4/15

9:42 am-2:27 pm

1 stop5h 45m

$418

WaterlooPhiladelphia

ALO - PHL

ALOPHL

Waterloo

lun. 12/22

3:12 pm-9:48 pm

1 stop5h 36m

Philadelphia

dim. 12/28

8:34 am-2:39 pm

2 stops7h 05m

$465

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

mar. 11/11

6:00 am-12:59 pm

1 stop5h 59m

Washington, D.C. Reagan-National

sam. 11/15

9:45 am-2:58 pm

1 stop6h 13m

$483

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

jeu. 11/20

6:00 am-12:42 pm

1 stop5h 42m

Washington, D.C. Reagan-National

sam. 11/22

3:00 pm-11:48 pm

2 stops9h 48m

$504

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

sam. 12/13

6:00 am-7:11 pm

2 stops12h 11m

Washington, D.C. Reagan-National

mar. 12/16

8:36 am-8:04 pm

2 stops12h 28m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 21 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 $298). 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 $254, American Airlines can have you in Maryland from Waterloo, Iowa in 9h 39m. 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 - Philadelphia, Waterloo - Baltimore/Washington and Waterloo - Washington, D.C. Reagan-National.

  • 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 $298). 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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