Cheap flights from Louisville to Australia from $807

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
09:15 - 07:00
SDF
-
SYD
29h 45m
1 stop
United Airlines Logo
11:50 - 21:46
SYD
-
SDF
25h 56m
1 stop
$1,856United Airlines
Sat, 14 Feb - Wed, 18 Feb
United Airlines Logo
09:00 - 09:05
SDF
-
SYD
32h 05m
2 stops
United Airlines Logo
12:10 - 20:09
SYD
-
SDF
23h 59m
2 stops
$1,862United Airlines
Sat, 14 Feb - Wed, 18 Feb
United Airlines Logo
15:30 - 10:00
SDF
-
MEL
26h 30m
2 stops
United Airlines Logo
13:00 - 21:46
MEL
-
SDF
24h 46m
2 stops
$1,883United Airlines
Fri, 20 Feb - Fri, 27 Feb
Air New Zealand Logo
06:00 - 10:55
SDF
-
MEL
36h 55m
2 stops
Air New Zealand Logo
09:10 - 19:51
MEL
-
SDF
25h 41m
3 stops
$2,538Air New Zealand
Thu, 5 Mar - Thu, 12 Mar
Qatar Airways Logo
13:30 - 18:45
SDF
-
PER
41h 15m
2 stops
Qatar Airways Logo
22:45 - 12:49
PER
-
SDF
50h 04m
2 stops
$2,557Qatar Airways
Mon, 9 Mar - Mon, 16 Mar
Multiple Airlines Logo
12:14 - 12:00
SDF
-
SYD
32h 46m
2 stops
Multiple Airlines Logo
20:40 - 21:26
SYD
-
SDF
38h 46m
3 stops
$2,584Multiple Airlines
Thu, 19 Mar - Sun, 5 Apr
Multiple Airlines Logo
10:42 - 15:55
SDF
-
SYD
39h 13m
3 stops
Multiple Airlines Logo
07:40 - 23:25
SYD
-
SDF
29h 45m
2 stops
$2,642Multiple Airlines
Wed, 10 Jun - Wed, 17 Jun
Qatar Airways Logo
15:49 - 18:45
SDF
-
PER
38h 56m
2 stops
Qatar Airways Logo
22:40 - 12:49
PER
-
SDF
50h 09m
2 stops
$2,715Qatar Airways
Mon, 23 Mar - Mon, 30 Mar
Qantas Airways Logo
19:43 - 06:55
SDF
-
SYD
21h 12m
1 stop
Qantas Airways Logo
12:00 - 17:31
SYD
-
SDF
19h 31m
1 stop
$2,948Qantas Airways
Wed, 10 Jun - Wed, 17 Jun
Qantas Airways Logo
19:43 - 06:55
SDF
-
SYD
21h 12m
1 stop
Qantas Airways Logo
12:00 - 17:31
SYD
-
SDF
19h 31m
1 stop
$2,949Qantas Airways
Tue, 9 Jun - Wed, 17 Jun

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets
United Airlines
14 Feb
SDF09:15Louisville Intl
29h 45m
1 stop
SYD07:00Sydney Kingsford Smith
18 Feb
SYD11:50Sydney Kingsford Smith
25h 56m
1 stop
SDF21:46Louisville Intl
$1,856
United Airlines
14 Feb
SDF09:00Louisville Intl
32h 05m
2 stops
SYD09:05Sydney Kingsford Smith
18 Feb
SYD12:10Sydney Kingsford Smith
23h 59m
2 stops
SDF20:09Louisville Intl
$1,862
United Airlines
20 Feb
SDF15:30Louisville Intl
26h 30m
2 stops
MEL10:00Melbourne
27 Feb
MEL13:00Melbourne
24h 46m
2 stops
SDF21:46Louisville Intl
$1,883

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets
Qantas Airways
10 June
SDF19:43Louisville Intl
21h 12m
1 stop
SYD06:55Sydney Kingsford Smith
17 June
SYD12:00Sydney Kingsford Smith
19h 31m
1 stop
SDF17:31Louisville Intl
$2,948
Qantas Airways
9 June
SDF19:43Louisville Intl
21h 12m
1 stop
SYD06:55Sydney Kingsford Smith
17 June
SYD12:00Sydney Kingsford Smith
19h 31m
1 stop
SDF17:31Louisville Intl
$2,949
Qantas Airways
9 June
SDF19:43Louisville Intl
47h 07m
2 stops
SYD08:50Sydney Kingsford Smith
17 June
SYD12:00Sydney Kingsford Smith
25h 25m
1 stop
SDF23:25Louisville Intl
$2,993

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 23 January 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

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 14/2

09:15-07:00

1 stop29h 45m

Sydney Kingsford Smith

Wed 18/2

11:50-21:46

1 stop25h 56m

$1,856

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 14/2

09:00-09:05

2 stops32h 05m

Sydney Kingsford Smith

Wed 18/2

12:10-20:09

2 stops23h 59m

$1,862

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Fri 20/2

15:30-10:00

2 stops26h 30m

Melbourne

Fri 27/2

13:00-21:46

2 stops24h 46m

$1,883

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Thu 5/3

06:00-10:55

2 stops36h 55m

Melbourne

Thu 12/3

09:10-19:51

3 stops25h 41m

$2,538

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Mon 9/3

13:30-18:45

2 stops41h 15m

Perth

Mon 16/3

22:45-12:49

2 stops50h 04m

$2,557

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

12:14-12:00

2 stops32h 46m

Sydney Kingsford Smith

Sun 5/4

20:40-21:26

3 stops38h 46m

$2,584

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 10/6

10:42-15:55

3 stops39h 13m

Sydney Kingsford Smith

Wed 17/6

07:40-23:25

2 stops29h 45m

$2,642

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Mon 23/3

15:49-18:45

2 stops38h 56m

Perth

Mon 30/3

22:40-12:49

2 stops50h 09m

$2,715

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 10/6

19:43-06:55

1 stop21h 12m

Sydney Kingsford Smith

Wed 17/6

12:00-17:31

1 stop19h 31m

$2,948

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

19:43-06:55

1 stop21h 12m

Sydney Kingsford Smith

Wed 17/6

12:00-17:31

1 stop19h 31m

$2,949

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 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 $1,664. If you don’t want to visit Australia in November, then you should wait until June to fly from Louisville, when ticket prices are also cheap, with an average price of $1,791.

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

23h 30m

Direct flights

None
The fastest flight from Louisville to Australia takes 23h 30m
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 22/2
Sun 1/3

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