$348+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ALO
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore 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 Baltimore to Waterloo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Baltimore to WaterlooExplore 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 September 10, 2026.
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 September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/87:17 am -
1 stop8h 52m
Thu 10/156:07 am -
1 stop10h 44m
Deal found 9/10![American Airlines logo]()
$491
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/611:40 am -
1 stop13h 11m
Tue 10/136:07 am -
1 stop17h 09m
Deal found 9/7![American Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 9/6. 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 12/2311:29 am -
1 stop5h 19m
Mon 12/284:19 pm -
1 stop6h 40m
Deal found 9/6![American Airlines logo]()
$502
This American Airlines deal was found by Cheapflights users on 9/6. 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 12/2211:29 am -
1 stop14h 00m
Mon 12/284:19 pm -
1 stop17h 08m
Deal found 9/6![American Airlines logo]()
$533
Best flights from Baltimore to WaterlooDiscover carefully curated flight deals from Baltimore to Waterloo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Baltimore to Waterloo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/87:17 am -
1 stop8h 52m
Thu 10/156:07 am -
1 stop10h 44m
Deal found 9/10![American Airlines logo]()
$491
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/611:40 am -
1 stop13h 11m
Tue 10/136:07 am -
1 stop17h 09m
Deal found 9/7![American Airlines logo]()
$499
Last-minute flights from Baltimore to WaterlooDiscover last-minute flight deals from Baltimore to Waterloo. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Waterloo. Data last updated September 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/611:40 am -
1 stop13h 11m
Tue 10/136:07 am -
1 stop17h 09m
Deal found 9/7![American Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/87:17 am -
1 stop8h 52m
Thu 10/156:07 am -
1 stop10h 44m
Deal found 9/10![American Airlines logo]()
$491
One-way flights from Baltimore to WaterlooSearch for one-way flight options from Baltimore to Waterloo. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Baltimore to Waterloo. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/307:17 am -
1 stop8h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$348
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $491 (American Airlines) |
One-way from | $348 (American Airlines) |
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 7,457,451 searches. Data last updated September 10, 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
Cheapest round-trip
Quickest round-trip
BaltimoreWaterloo
BWI Baltimore/Washington - ALO Waterloo
BWIALO
Baltimore/Washington
Fri 10/30
7:17 am-3:09 pm
1 stop8h 52m
Waterloo
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$348
BaltimoreWaterloo
BWI Baltimore/Washington - ALO Waterloo
BWIALO
Baltimore/Washington
Thu 10/8
7:17 am-3:09 pm
1 stop8h 52m
Waterloo
Thu 10/15
6:07 am-5:51 pm
1 stop10h 44m
$491
BaltimoreWaterloo
BWI Baltimore/Washington - ALO Waterloo
BWIALO
Baltimore/Washington
Tue 10/6
11:40 am-11:51 pm
1 stop13h 11m
Waterloo
Tue 10/13
6:07 am-12:16 am
1 stop17h 09m
$499
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
BWI-ALO
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.
Traveling to a place near Waterloo?
Book flights to Waterloo if you plan to visit one of these locationsCedar Falls
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