Title: Cheap Flights from Louisville (SDF) to Waterloo (ALO) - Expedia.ca ![One of the many lakes within George Wyth State Park, popular for boating and fishing.](https://images.trvl-media.com/place/364/8258d304-b1bb-4d11-b5a8-393ce803cda8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Erik Rowley ![](https://images.trvl-media.com/place/364/8258d304-b1bb-4d11-b5a8-393ce803cda8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Louisville (SDF) to Waterloo (ALO) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Louisville International Airport (SDF) to Waterloo, IA (ALO-Waterloo Regional) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:alo,departure:30/09/2025TANYT&leg2=from:alo,to:sdf,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:alo,departure:30/09/2025TANYT&leg2=from:alo,to:sdf,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:alo,departure:30/09/2025TANYT&leg2=from:alo,to:sdf,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:alo,departure:30/09/2025TANYT&leg2=from:alo,to:sdf,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:alo,departure:30/09/2025TANYT&leg2=from:alo,to:sdf,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:alo,departure:30/09/2025TANYT&leg2=from:alo,to:sdf,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sdf,to:alo,departure:30/09/2025TANYT&leg2=from:alo,to:sdf,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) Flight from Louisville to Waterloo (SDF - ALO) route information | Origin airport | Louisville Intl. | | --- | --- | | Destination airport | Waterloo Regional | | Distance | 739 km | ## Louisville to Waterloo Flights **The easy way to book your flights from Louisville to Waterloo**  With Expedia, it’s simple to find and book flights to Waterloo from Louisville whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Waterloo Regional, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Louisville to Waterloo today, tomorrow, or this week.   **Save dollars with cheap flights from Louisville Intl., SDF to Waterloo Regional, ALO**  Sort your search results by price to find great deals on your flight from Louisville to Waterloo—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Waterloo from Louisville currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Waterloo   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Waterloo from Louisville**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Waterloo with Expedia today. ## Frequently asked questions ### How much is a flight from Louisville Muhammad Ali Intl. Airport to ALO? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight from Louisville Intl. Airport (SDF) to Waterloo Regional Airport was . Fares this cheap don't last long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Louisville Muhammad Ali Intl. Airport to Waterloo Regional Airport (ALO)? > Most flights can be cancelled online, but each airline has different terms and conditions. If you do need to cancel your flight, visit our [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from Louisville Intl. Airport (SDF) to Waterloo Regional Airport that have flexible change policies? > Flights from Louisville Muhammad Ali Intl. Airport to Waterloo Regional Airport (ALO) offering flexible change policies are available from several airlines. Simply use our "No change fees" filter when searching. You'll only need to cover the cost difference between flights, with no added fees to worry about. ### How many hours is the flight from Louisville Muhammad Ali Intl. Airport to ALO? > It takes around 2 hours and 56 minutes to travel from Louisville Muhammad Ali Intl. Airport to Waterloo Regional Airport (ALO) — perfect for a nap. You'll be landing in Waterloo by the time you wake up. ### How far is the flight from Louisville Intl. Airport (SDF) to Waterloo Regional Airport (ALO)? > With a flight distance of 740 kilometres, it's just a hop from SDF to Waterloo Regional Airport (ALO). It might be a quick journey, but it's still worth bringing a good book to read. ### Which airlines fly direct from SDF to Waterloo Regional Airport (ALO)? > At present, no airlines offer direct flights from Louisville Muhammad Ali Intl. Airport to Waterloo Regional Airport. You'll need to book a flight with one or more stops. To score the best connections and price, lock in your fare well ahead of time. ### Are SDF to Waterloo Regional Airport (ALO) flight tickets cheaper when they're purchased at the last minute? > Last-minute planners can occasionally nab a bargain, with some super cheap airfares from SDF to Waterloo Regional Airport (ALO) arising a few weeks prior to the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals continuously — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines release prices that far in advance. ## Explore a world of travel with Expedia \*Available to Expedia members. ![](https://a.travel-assets.com/mad-service/footer/bnaBanners/BEX_Footer.jpg) ## Go further with the Expedia app Save on select hotels and earn double points when you book on the app. Our app deals help you to save on trips so you can travel more and manage it all on the go. Scan the QR code with your device camera and download our app ![QR code to download the app](data:image/png;base64,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)