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Cheap flights from Louisville to Waterloo from $478

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 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisville to Waterloo

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:04 am - 12:20 am
SDF
-
ALO
14h 16m
1 stop
American Airlines Logo
5:00 am - 9:26 pm
ALO
-
SDF
15h 26m
1 stop
$478American Airlines
Wed, Aug 5 - Sat, Aug 8
American Airlines Logo
11:04 am - 12:20 am
SDF
-
ALO
14h 16m
1 stop
American Airlines Logo
5:00 am - 7:25 pm
ALO
-
SDF
13h 25m
2 stops
$488American Airlines
Wed, Aug 5 - Sat, Aug 8
American Airlines Logo
11:05 am - 12:20 am
SDF
-
ALO
14h 15m
2 stops
American Airlines Logo
5:00 am - 10:17 pm
ALO
-
SDF
16h 17m
2 stops
$493American Airlines
Wed, Aug 5 - Sat, Aug 8
American Airlines Logo
7:18 pm - 2:30 pm
SDF
-
ALO
20h 12m
1 stop
American Airlines Logo
5:00 am - 10:19 pm
ALO
-
SDF
16h 19m
1 stop
$529American Airlines
Thu, Jun 18 - Thu, Jun 25
American Airlines Logo
7:18 pm - 2:30 pm
SDF
-
ALO
20h 12m
1 stop
American Airlines Logo
5:00 am - 7:23 pm
ALO
-
SDF
13h 23m
2 stops
$539American Airlines
Thu, Jun 18 - Thu, Jun 25
American Airlines Logo
11:05 am - 12:21 am
SDF
-
ALO
14h 16m
1 stop
American Airlines Logo
5:00 am - 10:19 pm
ALO
-
SDF
16h 19m
1 stop
$551American Airlines
Fri, Jun 12 - Sun, Jun 14
American Airlines Logo
12:00 pm - 12:21 am
SDF
-
ALO
13h 21m
2 stops
American Airlines Logo
5:00 am - 10:19 pm
ALO
-
SDF
16h 19m
1 stop
$571American Airlines
Fri, Jun 12 - Sun, Jun 14
American Airlines Logo
3:22 pm - 12:21 am
SDF
-
ALO
9h 59m
2 stops
American Airlines Logo
2:55 pm - 12:28 am
ALO
-
SDF
8h 33m
2 stops
$638American Airlines
Fri, Jun 12 - Sun, Jun 14
American Airlines Logo
3:22 pm - 12:21 am
SDF
-
ALO
9h 59m
2 stops
American Airlines Logo
3:00 pm - 12:28 am
ALO
-
SDF
8h 28m
2 stops
$687American Airlines
Thu, Jun 18 - Thu, Jun 25

American Airlines flights from Louisville to Waterloo, Iowa

Our best American Airlines deals on Louisville to Waterloo, Iowa flight tickets
American Airlines
Aug 5
SDF11:04 amLouisville Intl
14h 16m
1 stop
ALO12:20 amWaterloo
Aug 8
ALO5:00 amWaterloo
15h 26m
1 stop
SDF9:26 pmLouisville Intl
$478
American Airlines
Aug 5
SDF11:04 amLouisville Intl
14h 16m
1 stop
ALO12:20 amWaterloo
Aug 8
ALO5:00 amWaterloo
13h 25m
2 stops
SDF7:25 pmLouisville Intl
$488
American Airlines
Aug 5
SDF11:05 amLouisville Intl
14h 15m
2 stops
ALO12:20 amWaterloo
Aug 8
ALO5:00 amWaterloo
16h 17m
2 stops
SDF10:17 pmLouisville Intl
$493

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 May 21, 2026.
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

Cheapest round-trip

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Wed 8/5

11:04 am-12:20 am

1 stop14h 16m

Waterloo

Sat 8/8

5:00 am-9:26 pm

1 stop15h 26m

$478

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Wed 8/5

11:04 am-12:20 am

1 stop14h 16m

Waterloo

Sat 8/8

5:00 am-7:25 pm

2 stops13h 25m

$488

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Wed 8/5

11:05 am-12:20 am

2 stops14h 15m

Waterloo

Sat 8/8

5:00 am-10:17 pm

2 stops16h 17m

$493

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Thu 6/18

7:18 pm-2:30 pm

1 stop20h 12m

Waterloo

Thu 6/25

5:00 am-10:19 pm

1 stop16h 19m

$529

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Thu 6/18

7:18 pm-2:30 pm

1 stop20h 12m

Waterloo

Thu 6/25

5:00 am-7:23 pm

2 stops13h 23m

$539

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Fri 6/12

11:05 am-12:21 am

1 stop14h 16m

Waterloo

Sun 6/14

5:00 am-10:19 pm

1 stop16h 19m

$551

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Fri 6/12

12:00 pm-12:21 am

2 stops13h 21m

Waterloo

Sun 6/14

5:00 am-10:19 pm

1 stop16h 19m

$571

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Fri 6/12

3:22 pm-12:21 am

2 stops9h 59m

Waterloo

Sun 6/14

2:55 pm-12:28 am

2 stops8h 33m

$638
Quickest round-trip

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Thu 6/18

3:22 pm-12:21 am

2 stops9h 59m

Waterloo

Thu 6/25

3:00 pm-12:28 am

2 stops8h 28m

$687

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Waterloo from

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?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Waterloo, Iowa from Louisville according to our data. United Airlines is the first choice among our users, with 43% 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

Fastest flight time

14h 16m

Direct flights

None
The fastest flight from Louisville to Waterloo, Iowa takes 14h 16m
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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Frequently asked questions about flying from Louisville to Waterloo, Iowa

  • How far is Louisville Intl to Waterloo by plane?

    Waterloo is 453.6 mi away from Louisville Intl. Typically, this will take 14h 16m 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
Iowa 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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