What is the cheapest airline that flies from Louisville Intl to Australia?

United Airlines and Qantas Airways are the most popular carriers operating from Louisville Intl to Australia

When did momondo last update prices for flights from Louisville Intl Airport to Australia?

Prices for flights from Louisville Intl Airport to Australia are refreshed on a daily basis.

How old do you have to be to fly from Louisville Intl Airport to Australia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Australia.

What documentation or ID do you need to fly to Australia?

The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$989 Cheap Flights from Louisville to Australia in 2026/27

Find the cheapest flights from Louisville to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:47 - 06:55SDF Louisville Intl-SYD Sydney Kingsford Smith

28h 08m1 stop Dallas/Fort Worth

17:50 - 15:15SYD Sydney Kingsford Smith-SDF Louisville Intl

37h 25m2 stops Auckland Intl Dallas/Fort Worth

$1,494Qantas Airways

Tue, 1 Dec - Tue, 8 Dec

12:05 - 05:00SDF Louisville Intl-MEL Melbourne

24h 55m1 stop Dallas/Fort Worth

18:30 - 20:34MEL Melbourne-SDF Louisville Intl

42h 04m2 stops Auckland Intl Dallas/Fort Worth

$1,681Qantas Airways

Thu, 14 Jan - Tue, 2 Feb

12:05 - 05:00SDF Louisville Intl-MEL Melbourne

24h 55m1 stop Dallas/Fort Worth

09:20 - 15:34MEL Melbourne-SDF Louisville Intl

46h 14m2 stops Auckland Intl Dallas/Fort Worth

$1,840Qantas Airways

Thu, 14 Jan - Mon, 1 Feb

08:00 - 09:30SDF Louisville Intl-MEL Melbourne

33h 30m2 stops Denver Intl Los Angeles

12:00 - 20:23MEL Melbourne-SDF Louisville Intl

48h 23m2 stops Sydney Kingsford Smith Houston George Bush Intcntl

$1,863United Airlines

Fri, 13 Nov - Mon, 30 Nov

09:17 - 09:30SDF Louisville Intl-MEL Melbourne

32h 13m2 stops Chicago O'Hare Intl Los Angeles

08:00 - 13:38MEL Melbourne-SDF Louisville Intl

45h 38m2 stops Sydney Kingsford Smith Houston George Bush Intcntl

$1,870United Airlines

Fri, 13 Nov - Mon, 30 Nov

15:24 - 10:30SDF Louisville Intl-MEL Melbourne

51h 06m2 stops Denver Intl San Francisco

08:30 - 13:38MEL Melbourne-SDF Louisville Intl

45h 08m2 stops Sydney Kingsford Smith Houston George Bush Intcntl

$1,893United Airlines

Fri, 13 Nov - Mon, 30 Nov

07:05 - 08:35SDF Louisville Intl-SYD Sydney Kingsford Smith

33h 30m2 stops Houston George Bush Intcntl Auckland Intl

19:25 - 20:59SYD Sydney Kingsford Smith-SDF Louisville Intl

41h 34m2 stops Auckland Intl Houston George Bush Intcntl

$1,939Air New Zealand

Sun, 7 Mar - Sat, 13 Mar

07:00 - 10:55SDF Louisville Intl-MEL Melbourne

35h 55m2 stops Houston George Bush Intcntl Auckland Intl

08:15 - 21:59MEL Melbourne-SDF Louisville Intl

29h 44m2 stops Auckland Intl Houston George Bush Intcntl

$1,979Air New Zealand

Tue, 19 Jan - Tue, 2 Feb

07:03 - 10:55SDF Louisville Intl-MEL Melbourne

35h 52m2 stops Houston George Bush Intcntl Auckland Intl

15:00 - 21:55MEL Melbourne-SDF Louisville Intl

46h 55m2 stops Auckland Intl Houston George Bush Intcntl

$1,982Air New Zealand

Thu, 18 Feb - Sun, 28 Feb

18:48 - 16:10SDF Louisville Intl-SYD Sydney Kingsford Smith

29h 22m2 stops Dallas/Fort Worth Brisbane

14:05 - 18:25SYD Sydney Kingsford Smith-SDF Louisville Intl

20h 20m1 stop Dallas/Fort Worth

$2,064Qantas Airways

Tue, 1 Dec - Tue, 8 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

13:25 - 05:00SDF Louisville Intl-MEL Melbourne

23h 35m1 stop Dallas/Fort Worth

12:00 - 15:30MEL Melbourne-SDF Louisville Intl

19h 30m1 stop Dallas/Fort Worth

$1,679Qantas Airways

Sun, 8 Nov - Tue, 17 Nov

13:25 - 05:00SDF Louisville Intl-MEL Melbourne

23h 35m1 stop Dallas/Fort Worth

20:10 - 18:09MEL Melbourne-SDF Louisville Intl

37h 59m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,742Qantas Airways

Sun, 8 Nov - Tue, 17 Nov

13:59 - 08:00SDF Louisville Intl-MEL Melbourne

26h 01m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:10 - 23:13MEL Melbourne-SDF Louisville Intl

29h 03m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,756Delta

Sun, 8 Nov - Tue, 17 Nov

13:25 - 05:00SDF Louisville Intl-MEL Melbourne

23h 35m1 stop Dallas/Fort Worth

12:00 - 16:56MEL Melbourne-SDF Louisville Intl

20h 56m1 stop Dallas/Fort Worth

$1,758Multiple Airlines

Sun, 8 Nov - Tue, 17 Nov

15:24 - 10:30SDF Louisville Intl-MEL Melbourne

27h 06m2 stops Denver Intl San Francisco

12:45 - 21:58MEL Melbourne-SDF Louisville Intl

25h 13m2 stops San Francisco Houston George Bush Intcntl

$1,763United Airlines

Sun, 8 Nov - Tue, 17 Nov

07:00 - 21:50SDF Louisville Intl-SYD Sydney Kingsford Smith

46h 50m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 20:33SYD Sydney Kingsford Smith-SDF Louisville Intl

24h 43m2 stops Auckland Intl Houston George Bush Intcntl

$2,007Air New Zealand

Sun, 8 Nov - Fri, 13 Nov

07:00 - 08:35SDF Louisville Intl-SYD Sydney Kingsford Smith

33h 35m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 22:30SYD Sydney Kingsford Smith-SDF Louisville Intl

26h 40m3 stops Auckland Intl Los Angeles Chicago O'Hare Intl

$2,177Multiple Airlines

Sun, 8 Nov - Fri, 13 Nov

18:54 - 23:05SDF Louisville Intl-MEL Melbourne

36h 11m2 stops Dallas/Fort Worth Hong Kong Intl

16:30 - 17:13MEL Melbourne-SDF Louisville Intl

40h 43m3 stops Sydney Kingsford Smith Hong Kong Intl Chicago O'Hare Intl

$2,339Multiple Airlines

Sun, 8 Nov - Tue, 17 Nov

18:54 - 10:30SDF Louisville Intl-MEL Melbourne

47h 36m3 stops Dallas/Fort Worth Hong Kong Intl Brisbane

16:30 - 21:36MEL Melbourne-SDF Louisville Intl

45h 06m3 stops Sydney Kingsford Smith Hong Kong Intl Chicago O'Hare Intl

$2,449Multiple Airlines

Sun, 8 Nov - Tue, 17 Nov

13:25 - 08:15SDF Louisville Intl-SYD Sydney Kingsford Smith

26h 50m2 stops Dallas/Fort Worth Melbourne

14:05 - 18:09SYD Sydney Kingsford Smith-SDF Louisville Intl

20h 04m1 stop Dallas/Fort Worth

$2,509Qantas Airways

Sun, 8 Nov - Fri, 13 Nov

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Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

1 Dec

SDF10:47Louisville Intl

28h 08m

1 stop

SYD06:55Sydney Kingsford Smith

8 Dec

SYD17:50Sydney Kingsford Smith

37h 25m

2 stops

SDF15:15Louisville Intl

$1,494

Qantas Airways

8 Nov

SDF13:25Louisville Intl

23h 35m

1 stop

MEL05:00Melbourne

17 Nov

MEL12:00Melbourne

19h 30m

1 stop

SDF15:30Louisville Intl

$1,679

Qantas Airways

14 Jan

SDF12:05Louisville Intl

24h 55m

1 stop

MEL05:00Melbourne

2 Feb

MEL18:30Melbourne

42h 04m

2 stops

SDF20:34Louisville Intl

$1,681

Air Canada flights from Louisville to Australia

Our best Air Canada deals on Louisville to Australia flight tickets

Air Canada

1 Dec

SDF08:45Louisville Intl

32h 50m

3 stops

SYD09:35Sydney Kingsford Smith

8 Dec

SYD11:20Sydney Kingsford Smith

28h 29m

3 stops

SDF23:49Louisville Intl

$4,116

Air Canada

12 Nov

SDF10:27Louisville Intl

31h 08m

3 stops

SYD09:35Sydney Kingsford Smith

15 Nov

SYD11:20Sydney Kingsford Smith

27h 10m

3 stops

SDF22:30Louisville Intl

$4,723

Air Canada

8 Nov

SDF10:37Louisville Intl

30h 58m

3 stops

SYD09:35Sydney Kingsford Smith

12 Nov

SYD11:20Sydney Kingsford Smith

23h 12m

2 stops

SDF18:32Louisville Intl

$4,901

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 1/12

10:47-06:55

1 stop28h 08m

Sydney Kingsford Smith

Tue 8/12

17:50-15:15

2 stops37h 25m

$1,494

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Thu 14/1

12:05-05:00

1 stop24h 55m

Melbourne

Tue 2/2

18:30-20:34

2 stops42h 04m

$1,681

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Thu 14/1

12:05-05:00

1 stop24h 55m

Melbourne

Mon 1/2

09:20-15:34

2 stops46h 14m

$1,840

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Fri 13/11

08:00-09:30

2 stops33h 30m

Melbourne

Mon 30/11

12:00-20:23

2 stops48h 23m

$1,863

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Fri 13/11

09:17-09:30

2 stops32h 13m

Melbourne

Mon 30/11

08:00-13:38

2 stops45h 38m

$1,870

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Fri 13/11

15:24-10:30

2 stops51h 06m

Melbourne

Mon 30/11

08:30-13:38

2 stops45h 08m

$1,893

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 7/3

07:05-08:35

2 stops33h 30m

Sydney Kingsford Smith

Sat 13/3

19:25-20:59

2 stops41h 34m

$1,939

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Tue 19/1

07:00-10:55

2 stops35h 55m

Melbourne

Tue 2/2

08:15-21:59

2 stops29h 44m

$1,979

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Thu 18/2

07:03-10:55

2 stops35h 52m

Melbourne

Sun 28/2

15:00-21:55

2 stops46h 55m

$1,982

Fastest return journey

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 1/12

18:48-16:10

2 stops29h 22m

Sydney Kingsford Smith

Tue 8/12

14:05-18:25

1 stop20h 20m

$2,064

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Australia?

In general, April is the cheapest month to fly from Louisville to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Australia in April, then you should wait until May to fly from Louisville, when ticket prices are also cheap, with an average price of $1,661.

Can stopping save me money on Louisville to Australia flights?

You could potentially save up to 23% on your flight if you consider stops on a Louisville to Australia flight.

Cheap Louisville to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Australia

Best price found	$989
Fastest flight time	23h 19m
Direct flights	None

The best one-way flight to Australia from Louisville in the past 72 hours is $989. The best return flight deal from Louisville to Australia found on momondo in the last 72 hours is $1,494.

The fastest flight from Louisville to Australia takes 23h 19m

There are no direct flights from Louisville to Australia. There are no popular flight routes from Louisville to Australia.

Search flight deals

Frequently asked questions about flying from Louisville to Australia

When did momondo last update prices for flights from Louisville Intl Airport to Australia?
Prices for flights from Louisville Intl Airport to Australia are refreshed on a daily basis.
How old do you have to be to fly from Louisville Intl Airport to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Australia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to Australia. momondo saves you time and could save you money on your trip.

Can I find flights from Louisville to Australia with flexible booking policies on momondo?

Flights from Louisville to Australia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Louisville to Australia?

momondo helps you find the best flight between Louisville and Australia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Louisville to Australia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Louisville to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.