Cheap flights from Louisville to Australia from $772

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Australia departing on 16/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
08:00 - 07:30
SDF
-
MEL
33h 30m
3 stops
United Airlines Logo
09:30 - 19:02
MEL
-
SDF
23h 32m
2 stops
$1,584United Airlines
Wed, 24 Jun - Wed, 8 Jul
United Airlines Logo
15:41 - 06:55
SDF
-
SYD
25h 14m
2 stops
United Airlines Logo
09:30 - 20:01
SYD
-
SDF
24h 31m
2 stops
$1,586United Airlines
Tue, 9 Jun - Wed, 17 Jun
Delta Logo
16:00 - 07:50
SDF
-
MEL
25h 50m
2 stops
Delta Logo
10:00 - 23:59
MEL
-
SDF
27h 59m
2 stops
$1,612Delta
Wed, 24 Jun - Wed, 8 Jul
Air New Zealand Logo
08:00 - 06:55
SDF
-
SYD
32h 55m
1 stop
Air New Zealand Logo
09:30 - 20:23
SYD
-
SDF
24h 53m
2 stops
$1,656Air New Zealand
Sun, 31 May - Wed, 10 Jun
Delta Logo
07:45 - 06:50
SDF
-
SYD
33h 05m
2 stops
Delta Logo
09:15 - 20:39
SYD
-
SDF
25h 24m
2 stops
$1,736Delta
Fri, 10 Apr - Fri, 17 Apr
Air New Zealand Logo
09:32 - 10:40
SDF
-
SYD
35h 08m
2 stops
Air New Zealand Logo
09:55 - 21:30
SYD
-
SDF
25h 35m
2 stops
$1,778Air New Zealand
Wed, 26 Aug - Sat, 5 Sep
Multiple Airlines Logo
08:00 - 06:45
SDF
-
MEL
32h 45m
3 stops
Multiple Airlines Logo
08:00 - 17:31
MEL
-
SDF
23h 31m
2 stops
$2,559Multiple Airlines
Wed, 24 Jun - Wed, 8 Jul
Multiple Airlines Logo
08:00 - 08:15
SDF
-
MEL
34h 15m
1 stop
Multiple Airlines Logo
10:55 - 23:59
MEL
-
SDF
27h 04m
2 stops
$2,637Multiple Airlines
Thu, 18 Jun - Sat, 27 Jun
Qatar Airways Logo
16:35 - 18:35
SDF
-
PER
38h 00m
2 stops
Qatar Airways Logo
15:40 - 21:30
PER
-
SDF
41h 50m
2 stops
$2,696Qatar Airways
Thu, 9 Apr - Thu, 16 Apr
Qatar Airways Logo
13:18 - 18:35
SDF
-
PER
41h 17m
2 stops
Qatar Airways Logo
22:45 - 22:31
PER
-
SDF
59h 46m
2 stops
$2,882Qatar Airways
Sun, 12 Apr - Sun, 19 Apr

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets
Qantas Airways
10 June
SDF19:45Louisville Intl
21h 10m
1 stop
SYD06:55Sydney Kingsford Smith
17 June
SYD12:00Sydney Kingsford Smith
19h 31m
1 stop
SDF17:31Louisville Intl
$2,521
Qantas Airways
9 June
SDF19:45Louisville Intl
21h 10m
1 stop
SYD06:55Sydney Kingsford Smith
17 June
SYD12:00Sydney Kingsford Smith
19h 31m
1 stop
SDF17:31Louisville Intl
$2,564
Qantas Airways
26 Aug
SDF18:21Louisville Intl
22h 34m
1 stop
SYD06:55Sydney Kingsford Smith
5 Sept
SYD12:00Sydney Kingsford Smith
22h 01m
1 stop
SDF20:01Louisville Intl
$2,590

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets
United Airlines
24 June
SDF08:00Louisville Intl
33h 30m
3 stops
MEL07:30Melbourne
8 July
MEL09:30Melbourne
23h 32m
2 stops
SDF19:02Louisville Intl
$1,584
United Airlines
9 June
SDF15:41Louisville Intl
25h 19m
2 stops
SYD07:00Sydney Kingsford Smith
17 June
SYD09:30Sydney Kingsford Smith
24h 53m
2 stops
SDF20:23Louisville Intl
$1,586
United Airlines
24 June
SDF08:00Louisville Intl
33h 30m
3 stops
MEL07:30Melbourne
8 July
MEL09:30Melbourne
27h 29m
2 stops
SDF22:59Louisville Intl
$1,603

momondo Fare Finder

 
Customise your flight search to find flights from Louisville to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 27 February 2026.
Use the filters below to find and compare flights from Louisville to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

08:00-07:30

3 stops33h 30m

Melbourne

Wed 8/7

09:30-19:02

2 stops23h 32m

$1,584

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

15:41-06:55

2 stops25h 14m

Sydney Kingsford Smith

Wed 17/6

09:30-20:01

2 stops24h 31m

$1,586

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

16:00-07:50

2 stops25h 50m

Melbourne

Wed 8/7

10:00-23:59

2 stops27h 59m

$1,612

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 31/5

08:00-06:55

1 stop32h 55m

Sydney Kingsford Smith

Wed 10/6

09:30-20:23

2 stops24h 53m

$1,656

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 10/4

07:45-06:50

2 stops33h 05m

Sydney Kingsford Smith

Fri 17/4

09:15-20:39

2 stops25h 24m

$1,736

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 26/8

09:32-10:40

2 stops35h 08m

Sydney Kingsford Smith

Sat 5/9

09:55-21:30

2 stops25h 35m

$1,778

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

08:00-06:45

3 stops32h 45m

Melbourne

Wed 8/7

08:00-17:31

2 stops23h 31m

$2,559

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Thu 18/6

08:00-08:15

1 stop34h 15m

Melbourne

Sat 27/6

10:55-23:59

2 stops27h 04m

$2,637

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Thu 9/4

16:35-18:35

2 stops38h 00m

Perth

Thu 16/4

15:40-21:30

2 stops41h 50m

$2,696

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sun 12/4

13:18-18:35

2 stops41h 17m

Perth

Sun 19/4

22:45-22:31

2 stops59h 46m

$2,882

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Australia from

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

What is the cheapest month to fly to Australia?

In general, November 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 $1,726. If you don’t want to visit Australia in November, then you should wait until August to fly from Louisville, when ticket prices are also cheap, with an average price of $1,732.

Can stopping save me money on Louisville to Australia flights?

You could potentially save up to 28% 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 14m

Direct flights

None
The fastest flight from Louisville to Australia takes 25h 14m
There are no direct flights from Louisville to Australia. There are no popular flight routes 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.

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1 adult
Sun 29/3
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