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$309+ Cheap flights from Waterloo, IA to Baltimore (ALO - BWI)

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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — BWI
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Waterloo to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Waterloo (ALO) to Baltimore (BWI). 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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(American Airlines)
Provider with most accurate pricing for Waterloo-Baltimore/Washington flight deals.
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Provider most trusted by Cheapflights users for Waterloo-Baltimore/Washington flights.
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From Waterloo to Baltimore/Washington
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Find flight deals from Waterloo to Baltimore

Cheapest flights from Waterloo to Baltimore
Explore the most affordable flight options available from Waterloo to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This American Airlines deal was found by Cheapflights users on 1/15. 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 4/166:00 am
ALO
-
BWI
1 stop4h 25m
American Airlines
Sat 4/186:26 pm
BWI
-
ALO
1 stop6h 24m
American Airlines
Deal found 1/15$309
This American Airlines deal was found by Cheapflights users on 1/14. 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 2/113:23 pm
ALO
-
BWI
2 stops6h 58m
American Airlines
Wed 2/186:40 pm
BWI
-
ALO
1 stop6h 13m
American Airlines
Deal found 1/14$314
This American Airlines deal was found by Cheapflights users on 1/14. 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 1/296:00 am
ALO
-
BWI
2 stops6h 56m
American Airlines
Mon 2/26:31 pm
BWI
-
ALO
1 stop4h 52m
American Airlines
Deal found 1/14$344
This American Airlines deal was found by Cheapflights users on 1/15. 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 2/116:00 am
ALO
-
BWI
1 stop10h 57m
American Airlines
Sat 2/146:50 am
BWI
-
ALO
1 stop18h 03m
American Airlines
Deal found 1/15$606

Cheapflights Fare Finder

 
Customize your flight search to find flights from Waterloo to Baltimore 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 January 15, 2026.
Use the filters below to find and compare flights from Waterloo to Baltimore that are best for you.

Fly from

Waterloo

Fly to

Baltimore

Route

Depart

Return

Price

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Thu 4/16

6:00 am-11:25 am

1 stop4h 25m

Baltimore/Washington

Sat 4/18

6:26 pm-11:50 pm

1 stop6h 24m

$309

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Wed 2/11

3:23 pm-11:21 pm

2 stops6h 58m

Baltimore/Washington

Wed 2/18

6:40 pm-11:53 pm

1 stop6h 13m

$314

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Wed 2/11

3:23 pm-11:21 pm

2 stops6h 58m

Baltimore/Washington

Sat 2/14

5:17 pm-11:53 pm

1 stop7h 36m

$314

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Thu 1/29

6:00 am-1:56 pm

2 stops6h 56m

Baltimore/Washington

Mon 2/2

6:31 pm-10:23 pm

1 stop4h 52m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Compare providers for flights from Waterloo to Baltimore

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 Waterloo to Baltimore in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 Waterloo, Iowa-Baltimore flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Waterloo, Iowa-Baltimore flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Waterloo, Iowa-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Waterloo, Iowa-Baltimore flights, Cheapflights users trust eDreams the most. eDreams 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 Waterloo, Iowa-Baltimore 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 Waterloo to Baltimore

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

What is the cheapest month to book a flight from Waterloo, Iowa to Baltimore?

Currently, November is the cheapest month in which you can book a flight from Waterloo, Iowa to Baltimore (average of $181). Flying from Waterloo, Iowa to Baltimore in June is currently the most expensive (average of $259). 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 Baltimore. 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 Waterloo, Iowa to Baltimore?

    Airlines like American Airlines fly from Waterloo, Iowa to Baltimore in about 4h 25m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 853 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Waterloo to Baltimore 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 Baltimore?

    Currently, November is the cheapest month in which you can book a flight from Waterloo, Iowa to Baltimore (average of $181). Flying from Waterloo, Iowa to Baltimore in June is currently the most expensive (average of $259). 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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