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$968+ Cheap flights from Louisville (SDF) to Australia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
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 March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,082
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$1,180
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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Highest demand for flights based on searches. 5% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 4, 2025.

This Delta deal was found by Cheapflights users on 3/4. 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.
Sat 11/12:15 pmSDF - SYD
2 stops26h 20mDelta
Fri 11/1411:05 amSYD - SDF
2 stops27h 27mDelta
Deal found 3/4$968
This United Airlines deal was found by Cheapflights users on 3/2. 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 3/3011:04 amSDF - MEL
2 stops31h 11mUnited Airlines
Sat 5/310:55 amMEL - SDF
2 stops24h 59mUnited Airlines
Deal found 3/2$1,082
This United Airlines deal was found by Cheapflights users on 3/3. 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.
Mon 11/33:20 pmSDF - SYD
2 stops25h 55mUnited Airlines
Tue 11/2511:50 amSYD - SDF
1 stop23h 45mUnited Airlines
Deal found 3/3$1,460
This Gurufare deal was found by Cheapflights users on 3/3. 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 9/244:51 pmSDF - SYD
2 stops25h 34mQantas Airways
Sun 10/121:10 pmSYD - SDF
1 stop19h 20mQantas Airways
Deal found 3/3$1,690
This Justfly.com deal was found by Cheapflights users on 3/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:31 pmSDF - AVV
2 stops27h 39mQantas Airways
Thu 10/166:00 amAVV - SDF
2 stops26h 30mQantas Airways
Deal found 3/3$1,755
This Gurufare deal was found by Cheapflights users on 3/3. 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.
Tue 9/98:31 pmSDF - MEL
1 stop42h 29mQantas Airways
Thu 10/168:30 pmMEL - SDF
2 stops36h 00mQantas Airways
Deal found 3/3$1,838
This Qantas Airways deal was found by Cheapflights users on 3/3. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:28 pmSDF - MEL
3 stops26h 37mMultiple Airlines
Thu 10/1610:00 amMEL - SDF
2 stops22h 30mMultiple Airlines
Deal found 3/3$1,883
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 5/276:09 pmSDF - SYD
1 stop23h 21mMultiple Airlines
Tue 6/38:45 pmSYD - SDF
2 stops58h 29mMultiple Airlines
Deal found 3/4$1,926
This Expedia deal was found by Cheapflights users on 3/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/278:55 amSDF - SYD
3 stops32h 25mAir Canada
Tue 6/39:20 amSYD - SDF
2 stops27h 07mAir Canada
Deal found 3/4$2,008
This Gurufare deal was found by Cheapflights users on 3/3. 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.
Thu 5/19:25 amSDF - MEL
2 stops35h 25mAir New Zealand
Tue 5/68:35 amMEL - SDF
2 stops27h 05mAir New Zealand
Deal found 3/3$2,124
This Gurufare deal was found by Cheapflights users on 3/3. 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.
Sun 12/147:05 amSDF - SYD
2 stops45h 10mANA
Sun 12/219:45 pmSYD - SDF
2 stops38h 29mANA
Deal found 3/3$2,155
This Ovago deal was found by Cheapflights users on 3/3. 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 9/245:45 pmSDF - SYD
3 stops49h 50mLATAM Airlines
Sun 10/1212:50 pmSYD - SDF
3 stops45h 13mLATAM Airlines
Deal found 3/3$3,302

Find flights from Louisville to Australia within your budget

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 March 4, 2025.

Fly from

Louisville

Fly to

Australia

Route

Depart

Return

Price

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 3/30

11:04 am-9:15 am

2 stops31h 11m

Melbourne

Sat 5/3

10:55 am-9:54 pm

2 stops24h 59m

$1,082

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 3/17

1:07 pm-7:45 am

2 stops27h 38m

Sydney Kingsford Smith

Thu 3/20

10:05 am-6:04 pm

2 stops22h 59m

$1,191

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 5/27

6:09 pm-7:30 am

1 stop23h 21m

Sydney Kingsford Smith

Tue 6/3

8:45 pm-5:14 pm

2 stops58h 29m

$1,926

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 5/27

8:18 pm-6:55 am

1 stop20h 37m

Sydney Kingsford Smith

Tue 6/3

10:25 am-9:39 pm

1 stop25h 14m

$1,966

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 5/27

8:55 am-7:20 am

3 stops32h 25m

Sydney Kingsford Smith

Tue 6/3

9:20 am-10:27 pm

2 stops27h 07m

$2,008

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Thu 5/1

9:25 am-10:50 am

2 stops35h 25m

Melbourne

Tue 5/6

8:35 am-9:40 pm

2 stops27h 05m

$2,124

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Fri 4/18

1:44 pm-5:00 am

1 stop25h 16m

Melbourne

Fri 4/25

7:30 am-5:36 pm

2 stops24h 06m

$2,261

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Sun 3/30

6:32 pm-2:10 pm

2 stops28h 38m

Melbourne Avalon

Sat 5/3

8:50 pm-3:42 pm

2 stops32h 52m

$2,490

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 3/30

6:32 pm-10:20 am

2 stops24h 48m

Melbourne

Sat 5/3

2:30 pm-9:09 am

3 stops32h 39m

$2,777

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

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.

Travel insights for flights from Louisville to Australia

Get recent, data-driven insights about flights from Louisville to Australia including ideal travel times, pricing trends, and more.

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 $1,051). 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 March 4, 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 March 4, 2025.
Delta
8.0
Very good
8,061 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Entertainment

7.9

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
8,061 reviews
Delta
8.0
Very good
8,061 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Entertainment

7.9

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
7.9
Good
455 reviews
Delta
8.0
Very good
8,061 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Entertainment

7.9

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
814 reviews
Delta
8.0
Very good
8,061 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Entertainment

7.9

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.

United Airlines
7.4
Good
8,678 reviews
Delta
8.0
Very good
8,061 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Entertainment

7.9

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 Canada
7.0
Good
8,832 reviews
Delta
8.0
Very good
8,061 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Entertainment

7.9

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 most popular routes from Louisville to Australia?

    Most travelers choose Louisville Intl - Melbourne, Louisville Intl - Sydney Kingsford Smith 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 $1,051). 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 4 airlines flying from Louisville to Australia

Discover the top 4 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 March 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$930Average$1,412FlexibilityNo cancel feeOn-time69%
DeltaCheapest$979Average$1,409FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$1,172Average$2,009FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,190Average$1,669FlexibilityNo cancel feeOn-time71%
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