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Waterloo

$517+ Cheap flights from Baltimore to Waterloo, IA (BWI - 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ALO
Jul 12 — Jul 191
Sun 7/12
Sun 7/19
1 adult, Economy
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Cheap flight deals from Baltimore to Waterloo

Cheapest flights from Baltimore to Waterloo
Explore the most affordable flight options available from Baltimore to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2026.

This American Airlines deal was found by Cheapflights users on 6/7. 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 7/55:44 am
BWI
-
ALO
1 stop10h 09m
American Airlines
Tue 7/145:06 am
ALO
-
BWI
1 stop18h 27m
American Airlines
Deal found 6/7$517
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 7/218:13 pm
BWI
-
ALO
1 stop5h 16m
American Airlines
Fri 7/243:26 pm
ALO
-
BWI
1 stop17h 35m
American Airlines
Deal found 6/10$555
This American Airlines deal was found by Cheapflights users on 6/7. 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 8/38:13 pm
BWI
-
ALO
1 stop5h 16m
American Airlines
Tue 8/255:00 am
ALO
-
BWI
1 stop5h 22m
American Airlines
Deal found 6/7$557
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 7/215:44 am
BWI
-
ALO
1 stop19h 45m
American Airlines
Wed 7/225:06 am
ALO
-
BWI
1 stop13h 37m
American Airlines
Deal found 6/10$558
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 7/208:13 pm
BWI
-
ALO
1 stop5h 16m
American Airlines
Fri 7/243:26 pm
ALO
-
BWI
1 stop17h 35m
American Airlines
Deal found 6/10$560
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 7/78:13 pm
BWI
-
ALO
1 stop5h 16m
American Airlines
Fri 7/103:26 pm
ALO
-
BWI
1 stop17h 35m
American Airlines
Deal found 6/8$600
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 7/275:44 am
BWI
-
ALO
1 stop10h 09m
American Airlines
Tue 7/285:06 am
ALO
-
BWI
1 stop13h 37m
American Airlines
Deal found 6/10$614

Find flight deals from Baltimore to Waterloo

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Waterloo (ALO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$517
(American Airlines)
Provider with most accurate pricing for Baltimore/Washington-Waterloo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Waterloo flights.
Search Deals
From Baltimore/Washington to Waterloo
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore 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 June 12, 2026.
Use the filters below to find and compare flights from Baltimore to Waterloo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Sun 7/5

5:44 am-2:53 pm

1 stop10h 09m

Waterloo

Tue 7/14

5:06 am-12:33 am

1 stop18h 27m

$517

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Tue 7/21

10:06 am-12:29 am

2 stops15h 23m

Waterloo

Fri 7/24

3:26 pm-10:01 am

1 stop17h 35m

$591
Quickest round-trip

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Mon 8/3

8:13 pm-12:29 am

1 stop5h 16m

Waterloo

Tue 8/25

5:00 am-5:45 pm

2 stops11h 45m

$612

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Tue 7/21

5:44 am-12:29 am

1 stop19h 45m

Waterloo

Thu 7/23

3:23 pm-9:58 am

1 stop17h 35m

$614

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Tue 7/7

8:13 pm-12:29 am

1 stop5h 16m

Waterloo

Sun 7/12

3:25 pm-10:01 am

1 stop17h 36m

$614

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Sun 8/2

10:06 am-12:29 am

2 stops15h 23m

Waterloo

Tue 8/25

5:00 am-7:50 pm

2 stops13h 50m

$643

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Mon 7/27

1:55 pm-12:29 am

2 stops11h 34m

Waterloo

Tue 7/28

5:06 am-8:36 pm

2 stops14h 30m

$652

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Wed 7/29

5:44 am-2:53 pm

1 stop10h 09m

Waterloo

Thu 7/30

5:06 am-7:43 pm

1 stop13h 37m

$656

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Mon 7/20

5:44 am-2:53 pm

1 stop10h 09m

Waterloo

Thu 7/23

5:06 am-7:43 pm

1 stop13h 37m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Sorted by cheapest first

Compare providers for flights from Baltimore to Waterloo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Waterloo in June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Waterloo, Iowa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Waterloo, Iowa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Waterloo, Iowa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Waterloo, Iowa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Waterloo, Iowa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Waterloo

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

Related info for your journey

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

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

    A quick flight from Baltimore to Waterloo, Iowa can take about 10h 09m. American Airlines provides one of the quickest options available for as low as $517. Baltimore and Waterloo, Iowa are separated by a distance of 853 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Baltimore 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

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