HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Waterloo

$220+ Cheap flights from Maryland to Waterloo, IA (ALO)

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ALO
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Maryland to Waterloo with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(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.
Search Deals
From Maryland to Waterloo
Search Deals

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 February 23, 2025.

This American Airlines deal was found by Cheapflights users on 2/21. 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.
Fri 3/141:39 pmPHL - ALO
1 stop5h 23mAmerican Airlines
Mon 3/179:53 amALO - PHL
2 stops9h 14mAmerican Airlines
Deal found 2/21$254
This American Airlines deal was found by Cheapflights users on 2/21. 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 7/310:24 amBWI - ALO
1 stop5h 00mAmerican Airlines
Sat 7/56:00 amALO - BWI
2 stops8h 55mAmerican Airlines
Deal found 2/21$435
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Sun 3/236:00 amDCA - ALO
1 stop4h 25mAmerican Airlines
Sun 3/306:27 pmALO - DCA
1 stop3h 53mAmerican Airlines
Deal found 2/22$512
This American Airlines deal was found by Cheapflights users on 2/21. 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 2/226:30 amIAD - ALO
2 stops10h 49mAmerican Airlines
Sat 3/110:15 amALO - IAD
2 stops6h 46mAmerican Airlines
Deal found 2/21$523

Find flights from Maryland to Waterloo within your budget

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 February 23, 2025.

Fly from

Maryland

Fly to

Waterloo

Route

Depart

Return

Price

PhiladelphiaWaterloo

PHL - ALO

PHLALO

Philadelphia

Fri 3/14

1:39 pm-6:02 pm

1 stop5h 23m

Waterloo

Mon 3/17

9:53 am-8:07 pm

2 stops9h 14m

$254

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Sun 3/23

6:00 am-9:25 am

1 stop4h 25m

Waterloo

Sun 3/30

6:27 pm-11:20 pm

1 stop3h 53m

$512

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Sun 3/23

6:07 pm-9:25 am

1 stop16h 18m

Waterloo

Sun 3/30

6:27 pm-11:18 am

1 stop15h 51m

$633

PhiladelphiaWaterloo

PHL - ALO

PHLALO

Philadelphia

Mon 4/7

9:39 am-2:29 pm

1 stop5h 50m

$220

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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.

Travel insights for flights from Maryland to Waterloo

Get recent, data-driven insights about flights from Maryland to Waterloo including ideal travel times, pricing trends, and more.

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 February 23, 2025.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Comfort

7.3

Entertainment

7.0

Food

6.5

Overall

7.2

Crew

8.0

Reviews

1 / 20

10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Comfort

7.3

Entertainment

7.0

Food

6.5

Overall

7.2

Crew

8.0

Reviews

1 / 20

10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Maryland to Waterloo

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Omaha flights
Dallas/Fort Worth to Omaha flights
Denver to Des Moines flights
O'Hare Intl to Omaha flights
Newark to Omaha flights
John F Kennedy Intl to Omaha flights
Seattle to Omaha flights
Reagan-National to Omaha flights
LaGuardia to Omaha flights
Seattle to Des Moines flights
Seattle to Moline flights
San Francisco to Omaha flights
Denver to Cedar Rapids flights
Sky Harbor Intl to Omaha flights
Seattle to Cedar Rapids flights
O'Hare Intl to Des Moines flights
LaGuardia to Des Moines flights
John F Kennedy Intl to Des Moines flights
Reagan-National to Des Moines flights
Atlanta to Des Moines flights
Dulles Intl to Des Moines flights
Los Angeles to Omaha flights
Atlanta to Omaha flights
Dulles Intl to Omaha flights
Baltimore to Des Moines flights
Minneapolis to Omaha flights
Charlotte to Des Moines flights
Detroit to Omaha flights
Orlando to Omaha flights
Salt Lake City to Omaha flights
Newark to Des Moines flights
Hobby to Omaha flights
Philadelphia to Omaha flights
Dallas/Fort Worth to Des Moines flights
Love Field to Omaha flights
Dulles Intl to Cedar Rapids flights
Baltimore to Omaha flights
Ontario to Omaha flights
George Bush Intcntl to Omaha flights
Austin to Omaha flights
San Antonio to Omaha flights
San Francisco to Des Moines flights
Portland to Omaha flights
Hobby to Cedar Rapids flights
Boston to Des Moines flights
Sky Harbor Intl to Cedar Rapids flights
West Palm Beach to Omaha flights
Charlotte to Omaha flights
Reagan-National to Cedar Rapids flights
Baltimore to Cedar Rapids flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.