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$1,231+ Cheap flights from Louisville (SDF) to Australia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheap flight deals from Louisville to Australia

Keep the following information in mind while searching for Louisville to Australia flight deals. Data was last updated April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,323
(Delta)

One-way from

$1,231
(Gurufare)

Popular in

July

Cheapest in

April

Average price

$1,110
Provider with most accurate pricing for Louisville Intl-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Sydney Kingsford Smith flights.
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From Louisville Intl to Australia
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One-way flight from Louisville Intl to Australia
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Highest demand for flights based on searches. 4% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Louisville to Australia

Cheapest flights from Louisville to Australia
Explore the most affordable flight options available from Louisville to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This Delta deal was found by Cheapflights users on 4/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:45 amSDF - SYD
2 stops29h 50mDelta
Sun 10/1210:25 amSYD - SDF
2 stops27h 05mDelta
Deal found 4/25$1,323
This Gurufare deal was found by Cheapflights users on 4/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/169:35 amSDF - MEL
2 stops35h 15mAir New Zealand
Mon 7/286:55 pmMEL - SDF
2 stops40h 56mAir New Zealand
Deal found 4/25$1,330
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/68:55 amSDF - SYD
2 stops32h 05mUnited Airlines
Fri 6/139:30 amSYD - SDF
2 stops24h 09mUnited Airlines
Deal found 4/25$1,382
This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/88:55 amSDF - MEL
2 stops33h 20mUnited Airlines
Sun 6/159:30 amMEL - SDF
2 stops24h 56mUnited Airlines
Deal found 4/24$1,596
This Ovago deal was found by Cheapflights users on 4/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/244:51 pmSDF - SYD
1 stop24h 04mQantas Airways
Sun 10/121:10 pmSYD - SDF
1 stop19h 20mQantas Airways
Deal found 4/24$1,686
This Air New Zealand deal was found by Cheapflights users on 4/24. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/243:41 pmSDF - SYD
2 stops27h 04mMultiple Airlines
Sun 10/128:45 amSYD - SDF
3 stops28h 39mMultiple Airlines
Deal found 4/24$1,736
This FlightHub deal was found by Cheapflights users on 4/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/227:25 amSDF - PER
2 stops47h 15mQatar Airways
Thu 5/2910:45 pmPER - SDF
2 stops55h 07mQatar Airways
Deal found 4/24$2,125
This Ovago deal was found by Cheapflights users on 4/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/86:12 pmSDF - MEL
1 stop20h 48mQantas Airways
Sun 6/153:05 pmMEL - SDF
1 stop21h 42mQantas Airways
Deal found 4/24$2,141
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/156:09 pmSDF - MEL
2 stops54h 11mMultiple Airlines
Sun 7/279:45 amMEL - SDF
1 stop21h 29mMultiple Airlines
Deal found 4/25$2,254
This StudentUniverse deal was found by Cheapflights users on 4/24. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/229:35 amSDF - PER
3 stops41h 50mAir New Zealand
Thu 5/292:35 pmPER - SDF
3 stops43h 17mAir New Zealand
Deal found 4/24$2,385
This Ovago deal was found by Cheapflights users on 4/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/284:42 pmSDF - SYD
2 stops34h 28mQatar Airways
Wed 4/308:45 pmSYD - SDF
2 stops41h 00mQatar Airways
Deal found 4/24$2,394
This Gurufare deal was found by Cheapflights users on 4/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/183:34 pmSDF - MEL
2 stops41h 36mQatar Airways
Sun 7/273:15 pmMEL - SDF
2 stops37h 54mQatar Airways
Deal found 4/25$2,400

Cheapflights Fare Finder

Customize your flight search to find flights from Louisville to Australia 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 April 25, 2025.
Use the filters below to find and compare flights from Louisville to Australia that are best for you.

Fly from

Louisville

Fly to

Australia

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 7/1

10:43 am-6:35 am

2 stops29h 52m

Sydney Kingsford Smith

Tue 7/8

9:25 am-10:32 pm

2 stops27h 07m

$1,323

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 7/16

9:35 am-10:50 am

2 stops35h 15m

Melbourne

Mon 7/28

6:55 pm-9:51 pm

2 stops40h 56m

$1,330

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 6/6

8:55 am-7:00 am

2 stops32h 05m

Sydney Kingsford Smith

Fri 6/13

9:30 am-7:39 pm

2 stops24h 09m

$1,382

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 6/8

8:55 am-8:15 am

2 stops33h 20m

Melbourne

Sun 6/15

9:30 am-8:26 pm

2 stops24h 56m

$1,596

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 6/6

9:37 am-7:45 pm

2 stops44h 08m

Sydney Kingsford Smith

Fri 6/13

5:45 pm-3:20 pm

1 stop35h 35m

$1,929

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 7/1

6:12 pm-7:55 am

2 stops23h 43m

Sydney Kingsford Smith

Tue 7/8

10:25 am-4:16 pm

1 stop19h 51m

$1,962

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Thu 5/22

7:25 am-6:40 pm

2 stops47h 15m

Perth

Thu 5/29

10:45 pm-5:52 pm

2 stops55h 07m

$2,125

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 6/8

6:12 pm-5:00 am

1 stop20h 48m

Melbourne

Sun 6/15

3:05 pm-10:47 pm

1 stop21h 42m

$2,141

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Tue 7/15

6:09 pm-2:20 pm

2 stops54h 11m

Melbourne

Sun 7/27

9:45 am-5:14 pm

1 stop21h 29m

$2,254

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Thu 5/22

9:35 am-3:25 pm

3 stops41h 50m

Perth

Thu 5/29

2:35 pm-9:52 pm

3 stops43h 17m

$2,385

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 21 results
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Best time to book a flight from Louisville to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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 Australia

What is the cheapest month to book a flight from Louisville to Australia?

Currently, February is the cheapest month in which you can book a flight from Louisville to Australia (average of $1,046). Flying from Louisville to Australia in December is currently the most expensive (average of $1,643). 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.

What is the cheapest time of day to fly from SDF to AU?

Find hourly flight availability from Louisville to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to Australia as you normally would.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated April 25, 2025.
To help decide which airline to fly from Louisville to Australia, see what other customers have to say about Delta, Air New Zealand and Qantas Airways. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air New Zealand
8.0
Very good
470 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Qantas Airways
7.5
Good
828 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,767 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Qatar Airways
7.4
Good
3,562 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Louisville to Australia?

    Louisville Intl (SDF) is the airport you will fly out of if you book a flight from Louisville to Australia. It is only a 5.3 mi journey to Louisville Intl (SDF) from Louisville’s city center.

  • What are the cheapest airlines to fly from Louisville to Australia one-way?

    $1,231 is the cheapest one-way deal found within the past few days, from Air New Zealand. You may also be able to find cheap deals on Qatar Airways and Qantas Airways, with prices starting from $1,272 and $1,587, respectively.

  • What are the most popular routes from Louisville to Australia?

    Most travelers choose Louisville Intl - Sydney Kingsford Smith, Louisville Intl - Melbourne or Louisville Intl - Melbourne Avalon when deciding on the best route from Louisville to Australia.

  • Can I find deals for flights from Louisville to Australia that include hotel bookings?

    Yes. In addition to deals on Louisville to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Australia.

  • Can I find deals for business class flights from Louisville to Australia?

    Yes. Cheapflights offers flight deals from Louisville to Australia 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 Australia?

    Currently, February is the cheapest month in which you can book a flight from Louisville to Australia (average of $1,046). Flying from Louisville to Australia in December is currently the most expensive (average of $1,643). 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

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Top 5 airlines flying from Louisville to Australia

Discover the top 5 airlines that operate flights from Louisville to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$930Average$1,398FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,104Average$1,452FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$1,172Average$1,875FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,190Average$1,426FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,380Average$1,686FlexibilityNo cancel feeOn-time78%

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