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Cheap flights from Louisville to Waterloo from $439

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Waterloo departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:19 pm - 10:01 pmSDF-ALO
3h 42m1 stop
American Airlines Logo
2:51 pm - 6:51 pmALO-SDF
3h 00m1 stop
$439American Airlines
Find Deal
Wed, Mar 25 - Sat, Mar 28
American Airlines Logo
6:49 am - 2:20 pmSDF-ALO
8h 31m2 stops
American Airlines Logo
2:51 pm - 8:59 pmALO-SDF
5h 08m1 stop
$444American Airlines
Find Deal
Wed, Mar 25 - Sat, Mar 28
American Airlines Logo
8:58 am - 2:20 pmSDF-ALO
6h 22m2 stops
American Airlines Logo
2:51 pm - 12:35 amALO-SDF
8h 44m2 stops
$476American Airlines
Find Deal
Wed, Mar 25 - Sat, Mar 28

American Airlines flights from Louisville to Waterloo, Iowa

Our best American Airlines deals on Louisville to Waterloo, Iowa flight tickets
American Airlines
Mar 25
SDF7:19 pmLouisville Intl
3h 42m
1 stop
ALO10:01 pmWaterloo
Mar 28
ALO2:51 pmWaterloo
3h 00m
1 stop
SDF6:51 pmLouisville Intl
$439
Find similar
American Airlines
Mar 25
SDF6:49 amLouisville Intl
8h 31m
2 stops
ALO2:20 pmWaterloo
Mar 28
ALO2:51 pmWaterloo
5h 08m
1 stop
SDF8:59 pmLouisville Intl
$444
Find similar
American Airlines
Mar 25
SDF8:58 amLouisville Intl
6h 22m
2 stops
ALO2:20 pmWaterloo
Mar 28
ALO2:51 pmWaterloo
8h 44m
2 stops
SDF12:35 amLouisville Intl
$476
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Waterloo, Iowa 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Louisville to Waterloo, Iowa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Wed 3/25

7:19 pm-10:01 pm

1 stop3h 42m

Waterloo

Sat 3/28

2:51 pm-6:51 pm

1 stop3h 00m

$439

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Wed 3/25

6:49 am-2:20 pm

2 stops8h 31m

Waterloo

Sat 3/28

2:51 pm-8:59 pm

1 stop5h 08m

$444

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Wed 3/25

8:58 am-2:20 pm

2 stops6h 22m

Waterloo

Sat 3/28

2:51 pm-12:35 am

2 stops8h 44m

$476

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Louisville to Waterloo, Iowa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Waterloo, Iowa?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Waterloo, Iowa from Louisville according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Waterloo, Iowa. Keep in mind that there are 3 different airlines that fly to Waterloo, Iowa on a routine basis, so you have a few additional options to choose from.

When to book flights from Louisville to Waterloo, Iowa

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Waterloo, Iowa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Waterloo, Iowa (SDF to ALO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Waterloo, Iowa

Direct flights

None
There are no direct flights from Louisville to Waterloo, Iowa. There are no popular flight routes from Louisville to Waterloo, Iowa.
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  • How far is Louisville Intl to Waterloo by plane?

    Waterloo is 453.6 mi away from Louisville Intl. Typically, this will take 3h 42m by plane in normal conditions.

  • When did momondo last update prices for flights from Louisville Intl Airport to Waterloo Airport?

    Prices for flights from Louisville Intl Airport to Waterloo Airport were last updated today.

  • How old do you have to be to fly from Louisville Intl Airport to Waterloo Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Waterloo Airport.

  • What documentation or ID do you need to fly to Waterloo Airport?

    The necessary travel and health documents for your Waterloo Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Waterloo?

Book flights to Waterloo if you plan to visit one of these locations
Cedar Falls

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Waterloo?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Waterloo for you.

Can I find flights from Louisville to Waterloo with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Waterloo from Louisville with this policy.

How can momondo help me find flights from Louisville to Waterloo?

Once all potential Louisville to Waterloo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Louisville to Waterloo right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Waterloo from Louisville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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