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

United Airlines, Qantas Airways, and Air Canada 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.

$1,605 Cheap Flights from Louisville to Australia in 2025/26

1 adult

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Find the cheapest flights from Louisville to Australia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:46 - 08:30SDF-SYD

29h 44m2 stops

10:40 - 20:25SYD-SDF

25h 45m2 stops

$2,062Delta

Find Deal

Mon, 16 Feb - Fri, 20 Feb

16:31 - 08:30SDF-SYD

23h 59m2 stops

10:40 - 23:07SYD-SDF

28h 27m2 stops

$2,070Delta

Find Deal

Mon, 16 Feb - Fri, 20 Feb

15:30 - 09:05SDF-SYD

25h 35m2 stops

11:50 - 19:54SYD-SDF

24h 04m1 stop

$2,315United Airlines

Find Deal

Mon, 26 Jan - Fri, 6 Feb

09:32 - 07:00SDF-SYD

30h 28m1 stop

09:30 - 22:26SYD-SDF

26h 56m2 stops

$2,321United Airlines

Find Deal

Thu, 19 Mar - Sun, 5 Apr

15:30 - 08:45SDF-SYD

25h 15m2 stops

11:45 - 22:30SYD-SDF

26h 45m3 stops

$2,647Multiple Airlines

Find Deal

Mon, 26 Jan - Fri, 6 Feb

18:27 - 06:55SDF-SYD

21h 28m1 stop

12:10 - 17:24SYD-SDF

19h 14m1 stop

$2,826Qantas Airways

Find Deal

Thu, 19 Mar - Sun, 5 Apr

20:30 - 06:55SDF-SYD

20h 25m1 stop

12:10 - 17:34SYD-SDF

19h 24m1 stop

$2,903Qantas Airways

Find Deal

Fri, 8 May - Fri, 22 May

12:56 - 18:40SDF-PER

41h 44m2 stops

15:40 - 23:59PER-SDF

44h 19m2 stops

$3,289Qatar Airways

Find Deal

Sun, 19 Apr - Thu, 23 Apr

15:30 - 10:55SDF-MEL

27h 25m2 stops

08:35 - 22:13MEL-SDF

29h 38m3 stops

$3,291Multiple Airlines

Find Deal

Mon, 16 Feb - Fri, 20 Feb

11:01 - 17:50SDF-MEL

39h 49m2 stops

23:45 - 17:51MEL-SDF

57h 06m2 stops

$17,414Qatar Airways

Find Deal

Mon, 9 Mar - Sun, 29 Mar

Delta flights from Louisville to Australia

Our best Delta deals on Louisville to Australia flight tickets

Delta

16 Feb

SDF10:46Louisville Intl

29h 44m

2 stops

SYD08:30Sydney Kingsford Smith

20 Feb

SYD10:40Sydney Kingsford Smith

25h 45m

2 stops

SDF20:25Louisville Intl

$2,062

Find similar

Delta

16 Feb

SDF16:31Louisville Intl

23h 59m

2 stops

SYD08:30Sydney Kingsford Smith

20 Feb

SYD10:40Sydney Kingsford Smith

28h 09m

2 stops

SDF22:49Louisville Intl

$2,070

Find similar

Delta

16 Feb

SDF07:50Louisville Intl

32h 10m

2 stops

MEL08:00Melbourne

20 Feb

MEL10:10Melbourne

27h 05m

2 stops

SDF21:15Louisville Intl

$2,244

Find similar

ANA flights from Louisville to Australia

Our best ANA deals on Louisville to Australia flight tickets

ANA

9 Mar

SDF09:00Louisville Intl

34h 30m

2 stops

SYD10:30Sydney Kingsford Smith

31 Mar

SYD21:45Sydney Kingsford Smith

30h 51m

2 stops

SDF13:36Louisville Intl

$11,738

Find similar

ANA

15 Jan

SDF08:29Louisville Intl

34h 01m

2 stops

SYD10:30Sydney Kingsford Smith

16 Feb

SYD12:25Sydney Kingsford Smith

47h 49m

2 stops

SDF20:14Louisville Intl

$11,778

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 16/2

10:46-08:30

2 stops29h 44m

Sydney Kingsford Smith

Fri 20/2

10:40-20:25

2 stops25h 45m

$2,062

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 16/2

16:31-08:30

2 stops23h 59m

Sydney Kingsford Smith

Fri 20/2

10:40-23:07

2 stops28h 27m

$2,070

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 26/1

15:30-09:05

2 stops25h 35m

Sydney Kingsford Smith

Fri 6/2

11:50-19:54

1 stop24h 04m

$2,315

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

09:32-07:00

1 stop30h 28m

Sydney Kingsford Smith

Sun 5/4

09:30-22:26

2 stops26h 56m

$2,321

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 26/1

15:30-08:45

2 stops25h 15m

Sydney Kingsford Smith

Fri 6/2

11:45-22:30

3 stops26h 45m

$2,647

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

18:27-06:55

1 stop21h 28m

Sydney Kingsford Smith

Sun 5/4

12:10-17:24

1 stop19h 14m

$2,826

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 8/5

20:30-06:55

1 stop20h 25m

Sydney Kingsford Smith

Fri 22/5

12:10-17:34

1 stop19h 24m

$2,903

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sun 19/4

12:56-18:40

2 stops41h 44m

Perth

Thu 23/4

15:40-23:59

2 stops44h 19m

$3,289

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 16/2

15:30-10:55

2 stops27h 25m

Melbourne

Fri 20/2

08:35-22:13

3 stops29h 38m

$3,291

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 9/3

11:01-17:50

2 stops39h 49m

Melbourne

Sun 29/3

23:45-17:51

2 stops57h 06m

$17,414

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 $1,700. If you don’t want to visit Australia in April, then you should wait until November to fly from Louisville, when ticket prices are also cheap, with an average price of $1,749.

Cheap Louisville to Australia flight deals and tips

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

Direct flights	None

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

Search flight deals

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.