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Waterloo

$309+ 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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ALO
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap flight deals from Louisville to Waterloo

Cheapest flights from Louisville to Waterloo
Explore the most affordable flight options available from Louisville to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/30. 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 12/295:49 pmSDF - ALO
1 stop6h 56mAmerican Airlines
Mon 1/53:09 pmALO - SDF
1 stop5h 45mAmerican Airlines
Deal found 11/30$309
This American Airlines deal was found by Cheapflights users on 12/1. 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 12/318:00 amSDF - ALO
2 stops7h 39mAmerican Airlines
Fri 1/96:00 amALO - SDF
1 stop5h 32mAmerican Airlines
Deal found 12/1$314
This American Airlines deal was found by Cheapflights users on 11/30. 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 12/318:00 amSDF - ALO
2 stops7h 39mAmerican Airlines
Sun 1/45:40 amALO - SDF
2 stops8h 32mAmerican Airlines
Deal found 11/30$404
This American Airlines deal was found by Cheapflights users on 11/30. 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 12/318:05 amSDF - ALO
1 stop7h 34mAmerican Airlines
Mon 1/53:09 pmALO - SDF
1 stop20h 23mAmerican Airlines
Deal found 11/30$512

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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(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.
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From Louisville Intl to Waterloo
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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 December 3, 2025.
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

Mon 12/29

8:00 am-2:39 pm

2 stops7h 39m

Waterloo

Mon 1/5

5:40 am-1:30 pm

1 stop6h 50m

$314

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Wed 12/31

7:00 am-2:39 pm

2 stops8h 39m

Waterloo

Mon 1/5

5:40 am-1:30 pm

1 stop6h 50m

$314

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Wed 12/31

8:00 am-2:39 pm

2 stops7h 39m

Waterloo

Fri 1/9

6:00 am-12:32 pm

1 stop5h 32m

$314

LouisvilleWaterloo

SDF - ALO

SDFALO

Louisville Intl

Tue 1/27

7:13 pm-10:23 pm

1 stop4h 10m

Waterloo

Sat 1/31

6:00 am-12:26 pm

1 stop5h 26m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

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 December.
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 January is currently the most expensive (average of $300). 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 7h 39m. American Airlines provides one of the quickest options available for as low as $314. 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 January is currently the most expensive (average of $300). 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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