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

Delta, 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.

$904 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.

15:20 - 09:30SDF-MEL

26h 10m2 stops

13:00 - 09:59MEL-SDF

36h 59m2 stops

$1,512United Airlines

Find Deal

Fri, 7 Nov - Thu, 20 Nov

15:20 - 09:30SDF-MEL

26h 10m2 stops

11:30 - 22:30MEL-SDF

27h 00m2 stops

$1,832United Airlines

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Fri, 7 Nov - Wed, 19 Nov

12:59 - 08:30SDF-SYD

27h 31m2 stops

10:40 - 20:43SYD-SDF

26h 03m2 stops

$1,906Delta

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Sun, 2 Nov - Thu, 6 Nov

10:37 - 08:30SDF-SYD

29h 53m2 stops

10:40 - 18:48SYD-SDF

24h 08m2 stops

$1,909Delta

Find Deal

Mon, 10 Nov - Mon, 17 Nov

07:10 - 10:55SDF-MEL

35h 45m2 stops

08:35 - 21:57MEL-SDF

29h 22m2 stops

$2,594Air New Zealand

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Fri, 28 Nov - Fri, 5 Dec

09:15 - 09:25SDF-MEL

32h 10m2 stops

10:35 - 22:29MEL-SDF

27h 54m3 stops

$2,776Multiple Airlines

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Fri, 28 Nov - Fri, 5 Dec

09:15 - 08:45SDF-SYD

31h 30m2 stops

09:55 - 22:29SYD-SDF

28h 34m3 stops

$2,787Multiple Airlines

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Fri, 28 Nov - Fri, 5 Dec

16:26 - 06:55SDF-SYD

22h 29m1 stop

14:05 - 17:38SYD-SDF

19h 33m1 stop

$3,543Qantas Airways

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Mon, 10 Nov - Mon, 17 Nov

13:42 - 05:00SDF-MEL

23h 18m1 stop

16:05 - 22:01MEL-SDF

21h 56m1 stop

$3,558Qantas Airways

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Mon, 10 Nov - Mon, 17 Nov

15:35 - 16:50SDF-PER

36h 15m2 stops

15:20 - 19:54PER-SDF

41h 34m3 stops

$8,677Air New Zealand

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Wed, 12 Nov - Wed, 19 Nov

Air Canada flights from Louisville to Australia

Our best Air Canada deals on Louisville to Australia flight tickets

Air Canada

4 Nov

SDF07:00Louisville Intl

34h 35m

3 stops

SYD09:35Sydney Kingsford Smith

19 Nov

SYD11:20Sydney Kingsford Smith

27h 09m

3 stops

SDF22:29Louisville Intl

$3,904

Find similar

Air Canada

11 Nov

SDF09:00Louisville Intl

32h 35m

3 stops

SYD09:35Sydney Kingsford Smith

18 Nov

SYD11:20Sydney Kingsford Smith

27h 09m

3 stops

SDF22:29Louisville Intl

$3,939

Find similar

Air Canada

26 Oct

SDF14:02Louisville Intl

27h 33m

2 stops

SYD08:35Sydney Kingsford Smith

9 Nov

SYD11:20Sydney Kingsford Smith

45h 56m

3 stops

SDF17:16Louisville Intl

$3,952

Find similar

Delta flights from Louisville to Australia

Our best Delta deals on Louisville to Australia flight tickets

Delta

2 Nov

SDF12:59Louisville Intl

27h 31m

2 stops

SYD08:30Sydney Kingsford Smith

6 Nov

SYD10:40Sydney Kingsford Smith

26h 03m

2 stops

SDF20:43Louisville Intl

$1,906

Find similar

Delta

10 Nov

SDF10:37Louisville Intl

29h 53m

2 stops

SYD08:30Sydney Kingsford Smith

17 Nov

SYD10:40Sydney Kingsford Smith

24h 08m

2 stops

SDF18:48Louisville Intl

$1,909

Find similar

Delta

4 Nov

SDF08:17Louisville Intl

32h 13m

2 stops

SYD08:30Sydney Kingsford Smith

19 Nov

SYD10:40Sydney Kingsford Smith

24h 32m

2 stops

SDF19:12Louisville Intl

$2,085

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Fri 7/11

15:20-09:30

2 stops26h 10m

Melbourne

Thu 20/11

13:00-09:59

2 stops36h 59m

$1,512

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Fri 7/11

15:20-09:30

2 stops26h 10m

Melbourne

Wed 19/11

11:30-22:30

2 stops27h 00m

$1,832

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 2/11

12:59-08:30

2 stops27h 31m

Sydney Kingsford Smith

Thu 6/11

10:40-20:43

2 stops26h 03m

$1,906

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 10/11

10:37-08:30

2 stops29h 53m

Sydney Kingsford Smith

Mon 17/11

10:40-18:48

2 stops24h 08m

$1,909

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Fri 28/11

07:10-10:55

2 stops35h 45m

Melbourne

Fri 5/12

08:35-21:57

2 stops29h 22m

$2,594

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Fri 28/11

09:15-09:25

2 stops32h 10m

Melbourne

Fri 5/12

10:35-22:29

3 stops27h 54m

$2,776

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 28/11

09:15-08:45

2 stops31h 30m

Sydney Kingsford Smith

Fri 5/12

09:55-22:29

3 stops28h 34m

$2,787

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 10/11

16:26-06:55

1 stop22h 29m

Sydney Kingsford Smith

Mon 17/11

14:05-17:38

1 stop19h 33m

$3,543

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 10/11

13:42-05:00

1 stop23h 18m

Melbourne

Mon 17/11

16:05-22:01

1 stop21h 56m

$3,558

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Wed 12/11

15:35-16:50

2 stops36h 15m

Perth

Wed 19/11

15:20-19:54

3 stops41h 34m

$8,677

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 $1,713. 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 $1,762.

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.