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

Delta 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.

$765 Cheap Flights from Louisville to Australia in 2026

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.

11:12 - 06:50

SDF

SYD

29h 38m

2 stops

09:15 - 09:55

SYD

SDF

38h 40m

2 stops

$1,754Delta

Sat, 30 May - Sat, 6 Jun

14:05 - 08:15

SDF

MEL

28h 10m

2 stops

09:30 - 20:23

MEL

SDF

24h 53m

2 stops

$1,786United Airlines

Wed, 3 Jun - Fri, 3 Jul

08:00 - 10:35

SDF

MEL

36h 35m

3 stops

09:30 - 20:01

MEL

SDF

24h 31m

2 stops

$1,825United Airlines

Sun, 31 May - Sun, 7 Jun

14:05 - 07:00

SDF

SYD

26h 55m

2 stops

09:30 - 20:01

SYD

SDF

24h 31m

2 stops

$1,857United Airlines

Mon, 8 Jun - Mon, 15 Jun

15:52 - 14:10

SDF

AVV

32h 18m

2 stops

06:00 - 23:16

AVV

SDF

31h 16m

2 stops

$3,085Qantas Airways

Wed, 24 Jun - Wed, 8 Jul

14:36 - 11:55

SDF

PER

33h 19m

2 stops

22:45 - 21:29

PER

SDF

35h 44m

2 stops

$3,243Qatar Airways

Sun, 12 Jul - Mon, 16 Nov

19:45 - 22:50

SDF

AVV

37h 05m

2 stops

16:40 - 17:30

AVV

SDF

38h 50m

2 stops

$3,275Qantas Airways

Fri, 5 Jun - Mon, 6 Jul

10:47 - 12:15

SDF

PER

37h 28m

2 stops

06:15 - 22:05

PER

SDF

27h 50m

2 stops

$3,507Multiple Airlines

Sat, 30 May - Sat, 6 Jun

10:47 - 11:55

SDF

PER

37h 08m

2 stops

22:55 - 22:18

PER

SDF

35h 23m

2 stops

$3,546Qatar Airways

Fri, 29 May - Fri, 5 Jun

15:52 - 11:15

SDF

PER

31h 23m

2 stops

10:30 - 10:15

PER

SDF

35h 45m

3 stops

$4,026Multiple Airlines

Sat, 30 May - Sat, 6 Jun

Air Canada flights from Louisville to Australia

Our best Air Canada deals on Louisville to Australia flight tickets

Air Canada

6 May

SDF10:06Louisville Intl

31h 14m

3 stops

SYD07:20Sydney Kingsford Smith

10 May

SYD09:20Sydney Kingsford Smith

24h 57m

2 stops

SDF20:17Louisville Intl

$2,993

Air Canada

9 June

SDF14:05Louisville Intl

27h 15m

2 stops

SYD07:20Sydney Kingsford Smith

17 June

SYD09:20Sydney Kingsford Smith

37h 42m

3 stops

SDF09:02Louisville Intl

$3,054

Air Canada

16 Sept

SDF07:22Louisville Intl

33h 58m

2 stops

SYD07:20Sydney Kingsford Smith

20 Sept

SYD09:20Sydney Kingsford Smith

28h 45m

3 stops

SDF00:05Louisville Intl

$3,075

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

23 Apr

SDF15:36Louisville Intl

25h 19m

2 stops

SYD06:55Sydney Kingsford Smith

1 May

SYD09:30Sydney Kingsford Smith

26h 29m

2 stops

SDF21:59Louisville Intl

$1,757

United Airlines

3 June

SDF14:05Louisville Intl

28h 10m

2 stops

MEL08:15Melbourne

3 July

MEL09:30Melbourne

24h 53m

2 stops

SDF20:23Louisville Intl

$1,786

United Airlines

31 May

SDF08:00Louisville Intl

36h 35m

3 stops

MEL10:35Melbourne

7 June

MEL09:30Melbourne

24h 31m

2 stops

SDF20:01Louisville Intl

$1,825

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 30/5

11:12-06:50

2 stops29h 38m

Sydney Kingsford Smith

Sat 6/6

09:15-09:55

2 stops38h 40m

$1,754

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 3/6

14:05-08:15

2 stops28h 10m

Melbourne

Fri 3/7

09:30-20:23

2 stops24h 53m

$1,786

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 31/5

08:00-10:35

3 stops36h 35m

Melbourne

Sun 7/6

09:30-20:01

2 stops24h 31m

$1,825

Fastest return journey

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 8/6

14:05-07:00

2 stops26h 55m

Sydney Kingsford Smith

Mon 15/6

09:30-20:01

2 stops24h 31m

$1,857

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Wed 24/6

15:52-14:10

2 stops32h 18m

Melbourne Avalon

Wed 8/7

06:00-23:16

2 stops31h 16m

$3,085

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sun 12/7

14:36-11:55

2 stops33h 19m

Perth

Mon 16/11

22:45-21:29

2 stops35h 44m

$3,243

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Fri 5/6

19:45-22:50

2 stops37h 05m

Melbourne Avalon

Mon 6/7

16:40-17:30

2 stops38h 50m

$3,275

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sat 30/5

10:47-12:15

2 stops37h 28m

Perth

Sat 6/6

06:15-22:05

2 stops27h 50m

$3,507

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Fri 29/5

10:47-11:55

2 stops37h 08m

Perth

Fri 5/6

22:55-22:18

2 stops35h 23m

$3,546

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sat 30/5

15:52-11:15

2 stops31h 23m

Perth

Sat 6/6

10:30-10:15

3 stops35h 45m

$4,026

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, 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 $1,717. If you don’t want to visit Australia in August, then you should wait until October to fly from Louisville, when ticket prices are also cheap, with an average price of $1,813.

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

Fastest flight time	25h 19m
Direct flights	None

The fastest flight from Louisville to Australia takes 25h 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.