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

United Airlines is the most popular carrier 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.

$986 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.

09:10 - 07:00SDF Louisville Intl-SYD Sydney Kingsford Smith

29h 50m1 stop Houston George Bush Intcntl

09:15 - 20:33SYD Sydney Kingsford Smith-SDF Louisville Intl

27h 18m1 stop Houston George Bush Intcntl

$1,707United Airlines

Tue, 3 Nov - Tue, 24 Nov

10:37 - 07:00SDF Louisville Intl-SYD Sydney Kingsford Smith

28h 23m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

11:20 - 18:32SYD Sydney Kingsford Smith-SDF Louisville Intl

23h 12m2 stops Los Angeles Chicago O'Hare Intl

$1,712United Airlines

Tue, 3 Nov - Tue, 10 Nov

13:59 - 08:30SDF Louisville Intl-SYD Sydney Kingsford Smith

26h 31m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 18:11SYD Sydney Kingsford Smith-SDF Louisville Intl

23h 31m2 stops Los Angeles Minneapolis St Paul

$1,714Delta

Sun, 1 Nov - Wed, 25 Nov

12:40 - 08:30SDF Louisville Intl-SYD Sydney Kingsford Smith

52h 50m2 stops Minneapolis St Paul Los Angeles

10:40 - 18:11SYD Sydney Kingsford Smith-SDF Louisville Intl

23h 31m2 stops Los Angeles Minneapolis St Paul

$1,737Delta

Sat, 31 Oct - Wed, 25 Nov

12:40 - 08:30SDF Louisville Intl-SYD Sydney Kingsford Smith

52h 50m2 stops Minneapolis St Paul Los Angeles

10:40 - 18:11SYD Sydney Kingsford Smith-SDF Louisville Intl

47h 31m2 stops Los Angeles Minneapolis St Paul

$1,745Delta

Sat, 31 Oct - Tue, 24 Nov

15:45 - 07:00SDF Louisville Intl-SYD Sydney Kingsford Smith

23h 15m1 stop Houston George Bush Intcntl

09:15 - 13:23SYD Sydney Kingsford Smith-SDF Louisville Intl

20h 08m1 stop Houston George Bush Intcntl

$1,778United Airlines

Sun, 1 Nov - Sun, 22 Nov

06:00 - 06:50SDF Louisville Intl-SYD Sydney Kingsford Smith

32h 50m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 19:01SYD Sydney Kingsford Smith-SDF Louisville Intl

24h 21m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,785Delta

Tue, 26 Jan - Sun, 28 Feb

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

33h 00m1 stop Houston George Bush Intcntl

09:15 - 21:58SYD Sydney Kingsford Smith-SDF Louisville Intl

28h 43m1 stop Houston George Bush Intcntl

$1,789United Airlines

Sat, 31 Oct - Mon, 23 Nov

15:24 - 09:20SDF Louisville Intl-SYD Sydney Kingsford Smith

25h 56m2 stops Denver Intl San Francisco

11:50 - 14:22SYD Sydney Kingsford Smith-SDF Louisville Intl

42h 32m2 stops San Francisco Denver Intl

$1,801United Airlines

Sun, 1 Nov - Sun, 22 Nov

18:27 - 16:10SDF Louisville Intl-SYD Sydney Kingsford Smith

29h 43m2 stops Dallas/Fort Worth Brisbane

14:05 - 17:38SYD Sydney Kingsford Smith-SDF Louisville Intl

19h 33m1 stop Dallas/Fort Worth

$1,805Qantas Airways

Sat, 27 Feb - Mon, 8 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:45 - 07:00SDF Louisville Intl-SYD Sydney Kingsford Smith

24h 15m1 stop Houston George Bush Intcntl

09:15 - 20:33SYD Sydney Kingsford Smith-SDF Louisville Intl

27h 18m1 stop Houston George Bush Intcntl

$1,707United Airlines

Sun, 25 Oct - Mon, 9 Nov

07:05 - 07:20SDF Louisville Intl-SYD Sydney Kingsford Smith

33h 15m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 21:42SYD Sydney Kingsford Smith-SDF Louisville Intl

27h 02m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,714Delta

Sun, 25 Oct - Tue, 10 Nov

18:39 - 07:20SDF Louisville Intl-SYD Sydney Kingsford Smith

45h 41m2 stops Minneapolis St Paul Los Angeles

10:40 - 19:14SYD Sydney Kingsford Smith-SDF Louisville Intl

24h 34m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,737Delta

Sat, 24 Oct - Tue, 10 Nov

15:45 - 07:00SDF Louisville Intl-SYD Sydney Kingsford Smith

24h 15m1 stop Houston George Bush Intcntl

09:10 - 13:23SYD Sydney Kingsford Smith-SDF Louisville Intl

20h 13m1 stop Houston George Bush Intcntl

$1,778United Airlines

Sun, 25 Oct - Thu, 12 Nov

15:37 - 07:55SDF Louisville Intl-SYD Sydney Kingsford Smith

25h 18m2 stops Houston George Bush Intcntl San Francisco

11:50 - 18:32SYD Sydney Kingsford Smith-SDF Louisville Intl

22h 42m2 stops San Francisco Chicago O'Hare Intl

$1,785United Airlines

Fri, 23 Oct - Mon, 9 Nov

18:39 - 07:20SDF Louisville Intl-SYD Sydney Kingsford Smith

45h 41m2 stops Minneapolis St Paul Los Angeles

10:40 - 18:20SYD Sydney Kingsford Smith-SDF Louisville Intl

23h 40m2 stops Los Angeles Minneapolis St Paul

$1,808Delta

Sat, 24 Oct - Sat, 14 Nov

09:40 - 07:00SDF Louisville Intl-SYD Sydney Kingsford Smith

30h 20m1 stop Houston George Bush Intcntl

09:10 - 20:33SYD Sydney Kingsford Smith-SDF Louisville Intl

27h 23m1 stop Houston George Bush Intcntl

$1,849United Airlines

Sat, 24 Oct - Thu, 12 Nov

12:40 - 07:50SDF Louisville Intl-SYD Sydney Kingsford Smith

28h 10m2 stops Minneapolis St Paul Los Angeles

10:40 - 18:20SYD Sydney Kingsford Smith-SDF Louisville Intl

23h 40m2 stops Los Angeles Minneapolis St Paul

$1,856Delta

Thu, 22 Oct - Sat, 14 Nov

16:18 - 18:35SDF Louisville Intl-SYD Sydney Kingsford Smith

35h 17m2 stops Dallas/Fort Worth Melbourne

14:05 - 18:26SYD Sydney Kingsford Smith-SDF Louisville Intl

20h 21m1 stop Dallas/Fort Worth

$2,074Qantas Airways

Sat, 24 Oct - Sat, 14 Nov

09:40 - 08:35SDF Louisville Intl-SYD Sydney Kingsford Smith

31h 55m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 14:22SYD Sydney Kingsford Smith-SDF Louisville Intl

42h 32m1 stop San Francisco

$2,504Air New Zealand

Fri, 23 Oct - Thu, 12 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

27 Feb

SDF18:27Louisville Intl

29h 43m

2 stops

SYD16:10Sydney Kingsford Smith

8 Mar

SYD14:05Sydney Kingsford Smith

19h 33m

1 stop

SDF17:38Louisville Intl

$1,805

Qantas Airways

31 Oct

SDF16:18Louisville Intl

23h 37m

1 stop

SYD06:55Sydney Kingsford Smith

25 Nov

SYD21:50Sydney Kingsford Smith

34h 12m

2 stops

SDF16:02Louisville Intl

$1,880

Qantas Airways

25 Jan

SDF16:08Louisville Intl

27h 37m

2 stops

SYD11:45Sydney Kingsford Smith

24 Feb

SYD14:05Sydney Kingsford Smith

19h 33m

1 stop

SDF17:38Louisville Intl

$1,917

Air New Zealand flights from Louisville to Australia

Our best Air New Zealand deals on Louisville to Australia flight tickets

Air New Zealand

1 Mar

SDF15:50Louisville Intl

38h 00m

2 stops

SYD21:50Sydney Kingsford Smith

8 Mar

SYD11:50Sydney Kingsford Smith

26h 09m

2 stops

SDF21:59Louisville Intl

$1,846

Air New Zealand

1 Mar

SDF07:05Louisville Intl

33h 30m

2 stops

SYD08:35Sydney Kingsford Smith

15 Mar

SYD09:55Sydney Kingsford Smith

27h 04m

2 stops

SDF21:59Louisville Intl

$1,908

Air New Zealand

28 Feb

SDF07:05Louisville Intl

43h 10m

2 stops

SYD18:15Sydney Kingsford Smith

9 Mar

SYD11:50Sydney Kingsford Smith

25h 06m

2 stops

SDF20:56Louisville Intl

$1,913

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 3/11

09:10-07:00

1 stop29h 50m

Sydney Kingsford Smith

Tue 24/11

09:15-20:33

1 stop27h 18m

$1,707

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 3/11

10:37-07:00

2 stops28h 23m

Sydney Kingsford Smith

Tue 10/11

11:20-18:32

2 stops23h 12m

$1,712

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 1/11

13:59-08:30

2 stops26h 31m

Sydney Kingsford Smith

Wed 25/11

10:40-18:11

2 stops23h 31m

$1,714

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sat 31/10

12:40-08:30

2 stops52h 50m

Sydney Kingsford Smith

Wed 25/11

10:40-18:11

2 stops23h 31m

$1,737

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sat 31/10

12:40-08:30

2 stops52h 50m

Sydney Kingsford Smith

Tue 24/11

10:40-18:11

2 stops47h 31m

$1,745

Fastest return journey

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 1/11

15:45-07:00

1 stop23h 15m

Sydney Kingsford Smith

Sun 22/11

09:15-13:23

1 stop20h 08m

$1,778

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 26/1

06:00-06:50

2 stops32h 50m

Sydney Kingsford Smith

Sun 28/2

10:40-19:01

2 stops24h 21m

$1,785

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sat 31/10

07:00-07:00

1 stop33h 00m

Sydney Kingsford Smith

Mon 23/11

09:15-21:58

1 stop28h 43m

$1,789

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 1/11

15:24-09:20

2 stops25h 56m

Sydney Kingsford Smith

Sun 22/11

11:50-14:22

2 stops42h 32m

$1,801

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sat 27/2

18:27-16:10

2 stops29h 43m

Sydney Kingsford Smith

Mon 8/3

14:05-17:38

1 stop19h 33m

$1,805

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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, August 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 $1,695. If you don’t want to visit Australia in August, then you should wait until June to fly from Louisville, when ticket prices are also cheap, with an average price of $1,794.

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	$986
Fastest flight time	23h 15m
Direct flights	None

The best one-way flight to Australia from Louisville in the past 72 hours is $986. The best return flight deal from Louisville to Australia found on momondo in the last 72 hours is $1,707.

The fastest flight from Louisville to Australia takes 23h 15m

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.