The cheapest times to fly from SDF to ADL are

  • January 22nd to May 6th (except the weeks of February 19th and April 23rd)
  • October 15th to December 9th (except the week of November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SDF to ADL is mid November. Prices can be as high as $3774 for Thursday flights during mid December, or as low as $1578 for Tuesday flights around mid November.


When to Fly to Adelaide

Flying from Louisville, KY (SDF) to Adelaide (ADL) will usually cost between $1655 to $2799 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $1688. Due to high demand the most expensive time to fly is mid December, with an average price of $3257. Planning your trip to low-cost times can easily save you $1569 on economy flights and even more on first-class flights. Generally, any price below $1939 can be considered a good price for a round-trip SDF to ADL flight.

See below for a graph of average weekly prices for the SDF to ADL route. All prices are for round-trip tickets in USD.

SDF to ADL Flight Prices

Compared to other flights, the SDF to ADL flight is more expensive than the average and costs more than the average flight leaving from Louisville. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Thursdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $280 (13%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1835. Return trip prices are from the ADL to SDF flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SDF to ADL can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 18 hour 58 minutes may not be realistic.


Flight Hacking SDF to ADL

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SDF to ADL — but Champion Traveler does!

Hack #1: Los Angeles, CA (SDF > LAX > ADL)

  • Price for both tickets: $1356
  • Average savings: $583 (30.07%)

See SDF to LAX flights

Hack #2: Newark, NJ (SDF > EWR > ADL)

  • Price for both tickets: $1668
  • Average savings: $272 (14%)

See SDF to EWR flights

Hack #3: Chicago, IL (SDF > ORD > ADL)

  • Price for both tickets: $1684
  • Average savings: $256 (13.18%)

See SDF to ORD flights


Flight Questions Answered

Still have questions about flying from SDF to ADL? We’ve got answers.

Which airlines fly this route?

You can find 10 major airlines flying this route most often: Air Canada, Air France, Air New Zealand, American, Bangkok Airways, Delta, Qantas, Singapore Airlines, United, Virgin Australia, and potentially more during busy seasons.

How far away is it from Adelaide International Airport to Louisville International-Standiford Field Airport?

The distance between the two airports is roughly 9991 miles or 16079 kilometers.

How long does it take to fly from SDF to ADL?

The real-world flight time for a nonstop SDF to ADL flight is about 18 hour 58 minutes.

How many flights go between Louisville, KY and Adelaide?

It depends on the day of the week and the date, but a typical day might have around 15 available flights from SDF to ADL.


Airport Location Info


Departing Airport

Origination codeSDF
Origination airport nameLouisville International-Standiford Field Airport
CityLouisville, KY
Countrythe United States

Return Airport

Destination codeADL
Destination airport nameAdelaide International Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.