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.

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).

What is the cheapest time of day to fly from BWI to ALO?

When flying from Baltimore to Waterloo, Iowa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$324+ Flights from Baltimore to Waterloo, IA

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Cheap flight deals from Baltimore to Waterloo

Round-trip from	$324 (American Airlines)

From Baltimore/Washington to Waterloo

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Find 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 July 29, 2025.

Sat 10/411:04 amBWI - ALO

2 stops12h 01mAmerican Airlines

Tue 10/73:21 pmALO - BWI

1 stop7h 27mAmerican Airlines

Deal found 7/26

$324

Best flights from Baltimore to Waterloo
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 July 29, 2025.

Sat 10/43:00 pmBWI - ALO

2 stops8h 05mAmerican Airlines

Tue 10/73:21 pmALO - BWI

1 stop7h 27mAmerican Airlines

Deal found 7/28

$324

Last-minute flights from Baltimore to Waterloo
Discover last-minute flight deals from Baltimore to Waterloo. Data last updated July 29, 2025 and is based on user searches.

Fri 8/86:20 pmBWI - ALO

1 stop6h 17mAmerican Airlines

Tue 8/126:00 amALO - BWI

2 stops11h 03mAmerican Airlines

Deal found 7/29

$461

Tue 8/261:12 pmBWI - ALO

2 stops7h 18mAmerican Airlines

Tue 9/26:00 amALO - BWI

1 stop4h 52mAmerican Airlines

Deal found 7/27

$361

One-way flights from Baltimore to Waterloo
Search for one-way flight options from Baltimore to Waterloo. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Sat 8/3010:53 amBWI - ALO

2 stops8h 30mAmerican Airlines

Deal found 7/28

$396

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Sat 10/4

3:00 pm-10:05 pm

2 stops8h 05m

Waterloo

Tue 10/7

3:21 pm-11:48 pm

1 stop7h 27m

$324

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Sat 8/30

10:53 am-6:23 pm

2 stops8h 30m

$396

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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.

Reviews of airlines servicing Waterloo

Read reviews from past customers who have flown American Airlines from Baltimore to Waterloo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Andrew,May 2025

LAX - MIA

Related info for your journey

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.

Cedar Falls

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$324+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Baltimore to Waterloo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Baltimore to Waterloo

Round-trip from

Find flight deals from Baltimore to Waterloo

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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Baltimore to Waterloo that are best for you.

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.

Reviews of airlines servicing Waterloo

Read reviews from past customers who have flown American Airlines from Baltimore to Waterloo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

How can I find direct flights from Baltimore to Waterloo?

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

Traveling to a place near Waterloo?

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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 July 29, 2025.