Title: Cheap Flights from Austin to Louisville (AUS to SDF) - Expedia.co.uk ![The Louisville, Kentucky skyline with pedestrian walkway in front](https://images.trvl-media.com/place/603002/bb7aa867-4a7a-49ff-b758-10a472246889.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/603002/bb7aa867-4a7a-49ff-b758-10a472246889.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Austin (AUS) to Louisville (SDF) - [Return](?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 Austin-Bergstrom International Airport (AUS) to Louisville International Airport (SDF) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:aus,to:sdf,departure:16/11/2025TANYT&leg2=from:sdf,to:aus,departure:23/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:aus,to:sdf,departure:16/11/2025TANYT&leg2=from:sdf,to:aus,departure:23/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:aus,to:sdf,departure:16/11/2025TANYT&leg2=from:sdf,to:aus,departure:23/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:aus,to:sdf,departure:16/11/2025TANYT&leg2=from:sdf,to:aus,departure:23/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Spirit Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NK.svg) Spirit Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:aus,to:sdf,departure:16/11/2025TANYT&leg2=from:sdf,to:aus,departure:23/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NK"}}]) - ![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 25% 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.co.uk/login) ## Find the cheapest month to fly from Austin (AUS) to Louisville (SDF) ### October is typically the cheapest month to fly From £123 - £466 per traveller. Flight from Austin to Louisville route information | Origin airport | Austin-Bergstrom Intl. | | --- | --- | | Destination airport | Louisville Intl. | | Distance | 1400 km | ## Compare flights from Austin to Louisville easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Austin to Louisville. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Louisville Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Austin-Bergstrom Intl. to Louisville Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Austin-Bergstrom Intl. (AUS) to Louisville Intl. (SDF) The easiest way to view the best deals on flights from Austin to Louisville today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Austin-Bergstrom Intl. to Louisville Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Austin and Louisville - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Austin to Louisville flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Austin-Bergstrom Intl. to Louisville Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from AUS to Louisville Intl. Airport (SDF)? > Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights from AUS to SDF start from . Make your booking ASAP to get the best price for your trip. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Austin-Bergstrom Intl. Airport (AUS) to Louisville Muhammad Ali Intl. Airport? > Most flights can be conveniently cancelled online, but whether or not you are charged a fee varies between airlines. If you do have to cancel your break, follow the instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from Austin-Bergstrom Intl. Airport (AUS) to SDF that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for AUS to Louisville Intl. Airport (SDF) flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from AUS to SDF? > A flight distance of just 1,400 kilometres separates Austin and Louisville. Once you're up in the air, you won't have time to do much more than listen to some short podcasts. ### Which airlines fly direct from Austin-Bergstrom Intl. Airport (AUS) to Louisville Intl. Airport (SDF)? > A popular option with many frequent travellers, Allegiant Air (G4) operates 8 flights every month from Austin-Bergstrom Intl. Airport (AUS) to SDF. Pick the one that fits in with your travel plans and book your ticket today. ### Are Austin-Bergstrom Intl. Airport (AUS) to Louisville Intl. Airport (SDF) flight tickets cheaper when they're purchased at the last minute? > Flight prices are always on the move, so it's no sure thing. While last-minute deals between Austin–Bergstrom International Airport and SDF are of course possible, it's also a good idea to keep track of prices well before you fly. In fact, some airlines advertise their prices up to a year before the departure date. 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