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$1,012+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Louisville to Australia

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Australia (AU0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,012
(United)

Popular in

December

Cheapest in

April

Average price

$1,427
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. 13% potential increase in price ($231 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This United deal was found by Cheapflights users on 1/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/13:32 pmSDF - SYD
2 stops25h 33mUnited Airlines
Sat 3/811:50 amSYD - SDF
2 stops26h 41mUnited Airlines
Deal found 1/30$1,012
This Delta deal was found by Cheapflights users on 1/28. 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 2/810:39 amSDF - SYD
2 stops29h 56mDelta
Thu 2/202:15 pmSYD - SDF
2 stops25h 43mDelta
Deal found 1/28$1,122
This United deal was found by Cheapflights users on 1/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/89:17 amSDF - MEL
2 stops32h 13mUnited Airlines
Sun 2/1611:30 amMEL - SDF
2 stops24h 57mUnited Airlines
Deal found 1/30$1,228
This Gurufare deal was found by Cheapflights users on 1/29. 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 stops27h 09mQantas Airways
Sun 10/121:10 pmSYD - SDF
1 stop19h 20mQantas Airways
Deal found 1/29$1,690
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/49:55 amSDF - SYD
3 stops31h 40mAir Canada
Tue 2/1111:20 amSYD - SDF
2 stops27h 09mAir Canada
Deal found 1/28$1,878
This Air Canada deal was found by Cheapflights users on 1/29. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2510:05 amSDF - SYD
3 stops31h 30mMultiple Airlines
Tue 3/411:20 amSYD - SDF
2 stops24h 24mMultiple Airlines
Deal found 1/29$2,199
This Air New Zealand deal was found by Cheapflights users on 1/30. 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.
Sat 2/83:30 pmSDF - MEL
2 stops27h 20mMultiple Airlines
Sun 2/168:35 amMEL - SDF
3 stops29h 51mMultiple Airlines
Deal found 1/30$2,400
This Justfly.com deal was found by Cheapflights users on 1/30. 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.
Sat 2/86:38 pmSDF - MEL
1 stop43h 02mQantas Airways
Sun 2/166:50 pmMEL - SDF
2 stops34h 23mQantas Airways
Deal found 1/30$2,449
This Justfly.com deal was found by Cheapflights users on 1/30. 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.
Thu 5/18:24 pmSDF - AVV
2 stops29h 41mQantas Airways
Tue 5/66:00 amAVV - SDF
2 stops29h 40mQantas Airways
Deal found 1/30$3,063
This KAYAK deal was found by Cheapflights users on 1/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:10 amSDF - SYD
3 stops57h 25mLATAM Airlines
Sun 10/1212:50 pmSYD - SDF
3 stops37h 44mLATAM Airlines
Deal found 1/29$3,561

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 3/1

2:00 pm-9:05 am

2 stops27h 05m

Sydney Kingsford Smith

Sat 3/8

11:50 am-7:47 pm

1 stop23h 57m

$1,012

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Thu 5/1

8:20 pm-8:15 am

2 stops45h 55m

Melbourne

Tue 5/6

10:55 am-10:12 pm

2 stops25h 17m

$1,243

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 2/25

2:43 pm-6:50 am

2 stops24h 07m

Sydney Kingsford Smith

Tue 3/4

11:05 am-11:21 pm

2 stops28h 16m

$1,330

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 2/25

10:05 am-9:35 am

3 stops31h 30m

Sydney Kingsford Smith

Tue 3/4

11:20 am-7:44 pm

2 stops24h 24m

$2,199

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 3/1

1:44 pm-6:35 am

1 stop24h 51m

Sydney Kingsford Smith

Sat 3/8

11:50 am-7:01 pm

1 stop23h 11m

$2,250

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 3/16

10:15 am-8:35 am

3 stops31h 20m

Sydney Kingsford Smith

Sun 3/23

10:25 am-8:22 pm

2 stops24h 57m

$2,878

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Thu 5/1

8:24 pm-5:00 am

1 stop42h 36m

Melbourne

Tue 5/6

3:05 pm-9:40 pm

1 stop20h 35m

$2,917

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Thu 5/1

8:24 pm-4:05 pm

2 stops29h 41m

Melbourne Avalon

Tue 5/6

6:00 am-9:40 pm

2 stops29h 40m

$3,063

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Thu 5/1

4:19 pm-10:05 am

3 stops27h 46m

Melbourne

Tue 5/6

3:05 pm-12:16 am

2 stops23h 11m

$3,466

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

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 January 30, 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 January 30, 2025.
To help decide which airline to fly from Louisville to Australia, see what other customers have to say about Delta, Qantas Airways and United Airlines. 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
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

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
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

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
821 reviews
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

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.

United Airlines
7.4
Good
8,913 reviews
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

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 Canada
7.0
Good
8,640 reviews
Delta
8.0
Very good
8,454 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

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 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 $1,051). 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$909Average$1,372FlexibilityNo cancel feeOn-time69%
DeltaCheapest$979Average$1,409FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$1,172Average$1,989FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,190Average$1,669FlexibilityNo cancel feeOn-time71%
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