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Waterloo

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

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ALO
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Maryland to Waterloo

Keep the following information in mind while searching for Maryland to Waterloo flight deals. Data was last updated April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$249
(American Airlines)
Provider with most accurate pricing for Washington, D.C. (WAS)-Waterloo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Waterloo flights.
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From Maryland to Waterloo
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Find flight deals from Maryland to Waterloo

Cheapest flights from Maryland to Waterloo
Explore the most affordable flight options available from Maryland to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This American Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/810:30 amBWI - ALO
1 stop4h 57mAmerican Airlines
Mon 5/122:57 pmALO - BWI
1 stop6h 08mAmerican Airlines
Deal found 4/23$379
This American Airlines deal was found by Cheapflights users on 4/23. 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 6/710:20 amDCA - ALO
1 stop5h 10mAmerican Airlines
Sat 6/143:00 pmALO - DCA
1 stop4h 43mAmerican Airlines
Deal found 4/23$449
This American Airlines deal was found by Cheapflights users on 4/23. 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 6/75:41 pmIAD - ALO
2 stops6h 48mAmerican Airlines
Sat 6/143:00 pmALO - IAD
2 stops7h 59mAmerican Airlines
Deal found 4/23$459

Cheapflights Fare Finder

Customize your flight search to find flights from Maryland to Waterloo 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 April 24, 2025.
Use the filters below to find and compare flights from Maryland to Waterloo that are best for you.

Fly from

Maryland

Fly to

Waterloo

Route

Depart

Return

Price

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Thu 5/8

10:30 am-2:27 pm

1 stop4h 57m

Waterloo

Mon 5/12

2:57 pm-10:05 pm

1 stop6h 08m

$379

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Sat 6/7

10:20 am-2:30 pm

1 stop5h 10m

Waterloo

Sat 6/14

3:00 pm-8:43 pm

1 stop4h 43m

$449

Washington, D.C.Waterloo

IAD - ALO

IADALO

Washington, D.C. Dulles Intl

Sat 6/7

5:41 pm-11:29 pm

2 stops6h 48m

Waterloo

Sat 6/14

3:00 pm-11:59 pm

2 stops7h 59m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Best time to book a flight from Maryland to Waterloo

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

Rainfall in Waterloo by month

Plan your trip to Waterloo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Waterloo, Iowa ranges from 0.8 - 5.0 inches per month. June is typically the wettest month, when rainfall can reach 5.0 in. January is typically the driest time to visit Waterloo, Iowa when rainfall is around 0.8 in.

Temperature in Waterloo by month

Plan your trip to Waterloo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Waterloo, Iowa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

Reviews of airlines servicing Waterloo

Get insights into the airlines that provide service to Waterloo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Waterloo. Reviews last updated April 24, 2025.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Crew

8.0

Food

6.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Crew

8.0

Food

6.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.

Related info for your journey

Find useful and relevant information for your journey from Maryland to Waterloo. 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 into for flights to Waterloo from Maryland?

    For a flight from Maryland to Waterloo, you will be flying into Waterloo. Waterloo (ALO) is just 5.3 mi from the center of the city.

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

    While some choose either Washington, D.C. Dulles Intl - Waterloo or Washington, D.C. Reagan-National - Waterloo, Baltimore/Washington - Waterloo is the most popular route from Maryland to Waterloo, Iowa.

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

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

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

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

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

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

See more FAQs

Traveling to a place near Maryland?

Book flights to Maryland if you plan to visit one of these locations
Cedar Falls

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