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Waterloo

$349+ Cheap flights from Louisville to Waterloo, IA (SDF - 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ALO
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap flight deals from Louisville to Waterloo

Best flights from Louisville to Waterloo
Discover carefully curated flight deals from Louisville to Waterloo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.

This American Airlines deal was found by Cheapflights users on 12/31. 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 1/221:15 pmSDF - ALO
2 stops10h 08mAmerican Airlines
Sun 1/256:00 amALO - SDF
2 stops10h 33mAmerican Airlines
Deal found 12/31$359
This American Airlines deal was found by Cheapflights users on 12/31. 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 1/237:13 pmSDF - ALO
1 stop4h 10mAmerican Airlines
Sun 1/256:00 amALO - SDF
1 stop5h 32mAmerican Airlines
Deal found 12/31$409
This American Airlines deal was found by Cheapflights users on 12/31. 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 1/227:13 pmSDF - ALO
1 stop4h 10mAmerican Airlines
Wed 1/286:00 amALO - SDF
1 stop5h 32mAmerican Airlines
Deal found 12/31$409
This American Airlines deal was found by Cheapflights users on 12/31. 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 1/217:13 pmSDF - ALO
1 stop4h 10mAmerican Airlines
Sun 1/256:00 amALO - SDF
1 stop5h 32mAmerican Airlines
Deal found 12/31$409
This American Airlines deal was found by Cheapflights users on 12/31. 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 1/227:13 pmSDF - ALO
1 stop4h 10mAmerican Airlines
Tue 1/276:00 amALO - SDF
2 stops10h 33mAmerican Airlines
Deal found 12/31$414
This American Airlines deal was found by Cheapflights users on 12/31. 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 1/217:00 amSDF - ALO
2 stops8h 53mAmerican Airlines
Tue 1/276:00 amALO - SDF
2 stops11h 30mAmerican Airlines
Deal found 12/31$419
This American Airlines deal was found by Cheapflights users on 12/31. 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 1/231:15 pmSDF - ALO
2 stops10h 08mAmerican Airlines
Wed 1/286:00 amALO - SDF
2 stops7h 48mAmerican Airlines
Deal found 12/31$419
This American Airlines deal was found by Cheapflights users on 12/31. 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.
Sat 1/241:15 pmSDF - ALO
2 stops10h 08mAmerican Airlines
Wed 1/286:00 amALO - SDF
2 stops7h 48mAmerican Airlines
Deal found 12/31$419
This American Airlines deal was found by Cheapflights users on 12/31. 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.
Sat 1/241:15 pmSDF - ALO
2 stops10h 08mAmerican Airlines
Tue 1/276:00 amALO - SDF
2 stops10h 33mAmerican Airlines
Deal found 12/31$419
This American Airlines deal was found by Cheapflights users on 12/31. 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.
Mon 1/197:13 pmSDF - ALO
1 stop4h 10mAmerican Airlines
Tue 1/276:00 amALO - SDF
2 stops11h 30mAmerican Airlines
Deal found 12/31$429

Find flight deals from Louisville to Waterloo

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) 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 January 2, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$349
(American Airlines)
Provider with most accurate pricing for Louisville Intl-Waterloo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Waterloo flights.
Search Deals
From Louisville Intl to Waterloo
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville 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 2,558,603 searches. Data last updated January 2, 2026.
Use the filters below to find and compare flights from Louisville to Waterloo that are best for you.

Fly from

Louisville

Fly to

Waterloo

Route

Depart

Return

Price

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Thu 1/22

1:15 pm-10:23 pm

2 stops10h 08m

Waterloo

Sun 1/25

6:00 am-5:33 pm

2 stops10h 33m

$359

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Fri 1/23

7:13 pm-10:23 pm

1 stop4h 10m

Waterloo

Sun 1/25

6:00 am-12:32 pm

1 stop5h 32m

$409

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Thu 1/22

7:13 pm-10:23 pm

1 stop4h 10m

Waterloo

Wed 1/28

6:00 am-12:32 pm

1 stop5h 32m

$409

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Wed 1/21

7:13 pm-10:23 pm

1 stop4h 10m

Waterloo

Sun 1/25

6:00 am-12:32 pm

1 stop5h 32m

$409

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Thu 1/22

7:13 pm-10:23 pm

1 stop4h 10m

Waterloo

Tue 1/27

6:00 am-5:33 pm

2 stops10h 33m

$414

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Wed 1/21

7:00 am-2:53 pm

2 stops8h 53m

Waterloo

Tue 1/27

6:00 am-6:30 pm

2 stops11h 30m

$419

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Fri 1/23

1:15 pm-10:23 pm

2 stops10h 08m

Waterloo

Wed 1/28

6:00 am-2:48 pm

2 stops7h 48m

$419

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Sat 1/24

1:15 pm-10:23 pm

2 stops10h 08m

Waterloo

Wed 1/28

6:00 am-2:48 pm

2 stops7h 48m

$419

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Sat 1/24

1:15 pm-10:23 pm

2 stops10h 08m

Waterloo

Tue 1/27

6:00 am-5:33 pm

2 stops10h 33m

$419

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Mon 1/19

7:13 pm-10:23 pm

1 stop4h 10m

Waterloo

Tue 1/27

6:00 am-6:30 pm

2 stops11h 30m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

Compare providers for flights from Louisville 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 Louisville to Waterloo in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 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 Louisville-Waterloo, Iowa flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Waterloo, Iowa flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Waterloo, Iowa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Waterloo, Iowa 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 Louisville-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 Louisville to Waterloo

Have a flexible travel schedule? Discover the best time to fly to Waterloo from Louisville 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 Louisville to Waterloo

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

Currently, March is the cheapest month in which you can book a flight from Louisville to Waterloo, Iowa (average of $157). Flying from Louisville to Waterloo, Iowa in April is currently the most expensive (average of $275). 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 Louisville to Waterloo. 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 Louisville to Waterloo, Iowa?

    A quick flight from Louisville to Waterloo, Iowa can take about 10h 08m. American Airlines provides one of the quickest options available for as low as $359. The distance from Louisville to Waterloo, Iowa is about 463 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville 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.

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

    Currently, March is the cheapest month in which you can book a flight from Louisville to Waterloo, Iowa (average of $157). Flying from Louisville to Waterloo, Iowa in April is currently the most expensive (average of $275). 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

Traveling to a place near Waterloo?

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

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