$683 Cheap Flights from Adelaide (ADL) to Louisville (SDF)

View $683 flight on Wed, Aug 20, 2025Opens in a new window

Popular airlines from Adelaide, SA Airport (ADL) to Louisville Intl. Airport (SDF)

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Cheap Flights from Adelaide to Louisville (ADL-SDF)

Prices were available within the past 7 days and start at $683 for one-way flights and $1,985 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Australia
Sun, Dec 28 - Sun, Jan 11
ADL
Adelaide
SDF
Louisville
$1,985 Roundtrip, just found
$1,985
Roundtrip
just found
Select Virgin Australia flight, departing Sun, Dec 28 from Adelaide to Louisville, returning Sun, Jan 11, priced at $1,985 just found
Qantas Airways
Sun, Dec 28 - Sun, Jan 11
ADL
Adelaide
SDF
Louisville
$2,003 Roundtrip, just found
$2,003
Roundtrip
just found
Select Qantas Airways flight, departing Sun, Dec 28 from Adelaide to Louisville, returning Sun, Jan 11, priced at $2,003 just found
United
Sun, Dec 28 - Sun, Jan 11
ADL
Adelaide
SDF
Louisville
$2,081 Roundtrip, just found
$2,081
Roundtrip
just found
Select United flight, departing Sun, Dec 28 from Adelaide to Louisville, returning Sun, Jan 11, priced at $2,081 just found
Jetstar
Sun, Dec 28 - Sun, Jan 11
ADL
Adelaide
SDF
Louisville
$2,138 Roundtrip, just found
$2,138
Roundtrip
just found
Select Jetstar flight, departing Sun, Dec 28 from Adelaide to Louisville, returning Sun, Jan 11, priced at $2,138 just found
United
Sun, Dec 28 - Sun, Jan 11
ADL
Adelaide
SDF
Louisville
$2,188 Roundtrip, just found
$2,188
Roundtrip
just found
Select United flight, departing Sun, Dec 28 from Adelaide to Louisville, returning Sun, Jan 11, priced at $2,188 just found
United
Sun, Dec 28 - Sun, Jan 11
ADL
Adelaide
SDF
Louisville
$2,190 Roundtrip, just found
$2,190
Roundtrip
just found
Select United flight, departing Sun, Dec 28 from Adelaide to Louisville, returning Sun, Jan 11, priced at $2,190 just found
United
Sun, Dec 28 - Sun, Jan 11
ADL
Adelaide
SDF
Louisville
$2,231 Roundtrip, just found
$2,231
Roundtrip
just found
Select United flight, departing Sun, Dec 28 from Adelaide to Louisville, returning Sun, Jan 11, priced at $2,231 just found
United
Sun, Dec 28 - Sun, Jan 11
ADL
Adelaide
SDF
Louisville
$2,246 Roundtrip, just found
$2,246
Roundtrip
just found
Select United flight, departing Sun, Dec 28 from Adelaide to Louisville, returning Sun, Jan 11, priced at $2,246 just found
Qantas Airways
Sun, Dec 28 - Sun, Jan 11
ADL
Adelaide
SDF
Louisville
$2,264 Roundtrip, just found
$2,264
Roundtrip
just found
Select Qantas Airways flight, departing Sun, Dec 28 from Adelaide to Louisville, returning Sun, Jan 11, priced at $2,264 just found
American Airlines
Sun, Dec 28 - Sun, Jan 11
ADL
Adelaide
SDF
Louisville
$2,309 Roundtrip, just found
$2,309
Roundtrip
just found
Select American Airlines flight, departing Sun, Dec 28 from Adelaide to Louisville, returning Sun, Jan 11, priced at $2,309 just found
Flights from Adelaide (ADL) to Louisville (SDF)
Origin airport
Adelaide
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Qantas Airways, Qatar Airways, United
Roundtrip price
$1,984
Distance
9992 mi

Adelaide to Louisville Flights

The cheapest times to fly from Adelaide to Louisville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Adelaide to Louisville are during the month of December. You can find some of the cheapest flights from Adelaide to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Adelaide to Louisville

Sunday is one of the best days to book for cheap flights from Adelaide to Louisville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Adelaide to Louisville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Adelaide to Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from $683 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Adelaide to Louisville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Adelaide to Louisville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Adelaide Airport (ADL) to Louisville Intl. Airport (SDF) cost?
Discover the latest flight deals from ADL to SDF by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ADL to SDF?
The cheapest flights from ADL to SDF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ADL to SDF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ADL to SDF. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Adelaide Airport (ADL) to Louisville Intl. Airport (SDF)?
There aren't any daily nonstop flights departing from Adelaide Airport (ADL) to Louisville Intl. Airport (SDF). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from ADL to SDF?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Adelaide Airport (ADL) to Louisville Intl. Airport (SDF)?
Choose a flight from Adelaide Airport (ADL) to Louisville Intl. Airport (SDF) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Adelaide Airport (ADL) to Louisville Intl. Airport (SDF) last-minute?
Booking your flight from ADL to SDF shortly before your trip is usually more expensive. But if there's some wiggle room with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book an ADL to SDF flight and hotel package?
Compared with arranging hotels and flights separately, booking an ADL to SDF flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the hassle out of travel planning. Simply secure your flights and select from our extensive range of hotels, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Adelaide Airport (ADL) to Louisville Intl. Airport (SDF)?
Generally, it's possible to cancel or reschedule your ADL to SDF flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.