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Cheap flights from Louisville to Australia from $819

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 27/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

United Airlines Logo
15:30 - 09:15SDF-MEL
26h 45m2 stops
United Airlines Logo
12:00 - 21:57MEL-SDF
24h 57m2 stops
$1,472United Airlines
Find Deal
Thu, 23 Oct - Thu, 30 Oct
United Airlines Logo
13:59 - 07:00SDF-SYD
27h 01m2 stops
United Airlines Logo
10:30 - 19:57SYD-SDF
24h 27m2 stops
$1,625United Airlines
Find Deal
Wed, 24 Sep - Sun, 12 Oct
Delta Logo
09:30 - 06:35SDF-SYD
31h 05m2 stops
Delta Logo
10:25 - 22:54SYD-SDF
27h 29m2 stops
$1,627Delta
Find Deal
Wed, 24 Sep - Sun, 12 Oct
United Airlines Logo
15:20 - 10:00SDF-MEL
26h 40m2 stops
United Airlines Logo
13:00 - 21:30MEL-SDF
24h 30m2 stops
$1,783United Airlines
Find Deal
Mon, 16 Feb - Fri, 20 Feb
Delta Logo
07:00 - 07:30SDF-SYD
33h 30m2 stops
Delta Logo
10:40 - 18:13SYD-SDF
22h 33m2 stops
$1,857Delta
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Sun, 26 Oct - Sun, 2 Nov
Logo
20:10 - 19:20SDF-MEL
32h 10m2 stops
Logo
06:00 - 14:02MEL-SDF
47h 02m3 stops
$2,248
Find Deal
Thu, 23 Oct - Thu, 30 Oct
Logo
20:10 - 19:55SDF-SYD
32h 45m2 stops
Logo
05:20 - 14:02SYD-SDF
47h 42m3 stops
$2,318
Find Deal
Sun, 26 Oct - Sun, 2 Nov
Air New Zealand Logo
06:00 - 09:25SDF-MEL
35h 25m2 stops
Air New Zealand Logo
10:35 - 21:59MEL-SDF
27h 24m2 stops
$2,906Air New Zealand
Find Deal
Wed, 24 Dec - Wed, 7 Jan
Qantas Airways Logo
18:46 - 06:55SDF-SYD
21h 09m1 stop
Qantas Airways Logo
14:05 - 17:38SYD-SDF
19h 33m1 stop
$3,145Qantas Airways
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Sat, 1 Nov - Sat, 8 Nov
Qantas Airways Logo
13:46 - 06:55SDF-SYD
25h 09m1 stop
Qantas Airways Logo
14:05 - 17:24SYD-SDF
19h 19m1 stop
$3,462Qantas Airways
Find Deal
Sat, 27 Dec - Tue, 20 Jan

Delta flights from Louisville to Australia

Our best Delta deals on Louisville to Australia flight tickets
Delta
24 Sept
SDF09:30Louisville Intl
31h 05m
2 stops
SYD06:35Sydney Kingsford Smith
12 Oct
SYD10:25Sydney Kingsford Smith
27h 29m
2 stops
SDF22:54Louisville Intl
$1,627
Find similar
Delta
26 Oct
SDF07:00Louisville Intl
33h 30m
2 stops
SYD07:30Sydney Kingsford Smith
2 Nov
SYD10:40Sydney Kingsford Smith
22h 33m
2 stops
SDF18:13Louisville Intl
$1,857
Find similar
Delta
13 Nov
SDF10:39Louisville Intl
29h 51m
2 stops
SYD08:30Sydney Kingsford Smith
17 Nov
SYD10:40Sydney Kingsford Smith
28h 08m
2 stops
SDF22:48Louisville Intl
$2,002
Find similar

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets
United Airlines
23 Oct
SDF15:30Louisville Intl
26h 45m
2 stops
MEL09:15Melbourne
30 Oct
MEL12:00Melbourne
24h 57m
2 stops
SDF21:57Louisville Intl
$1,472
Find similar
United Airlines
24 Sept
SDF13:59Louisville Intl
27h 01m
2 stops
SYD07:00Sydney Kingsford Smith
12 Oct
SYD10:30Sydney Kingsford Smith
24h 27m
2 stops
SDF19:57Louisville Intl
$1,625
Find similar
United Airlines
16 Feb
SDF15:20Louisville Intl
26h 40m
2 stops
MEL10:00Melbourne
20 Feb
MEL13:00Melbourne
24h 30m
2 stops
SDF21:30Louisville Intl
$1,783
Find similar

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 12 September 2025.
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

Thu 23/10

15:30-09:15

2 stops26h 45m

Melbourne

Thu 30/10

12:00-21:57

2 stops24h 57m

$1,472

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 24/9

13:59-07:00

2 stops27h 01m

Sydney Kingsford Smith

Sun 12/10

10:30-19:57

2 stops24h 27m

$1,625

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 24/9

09:30-06:35

2 stops31h 05m

Sydney Kingsford Smith

Sun 12/10

10:25-22:54

2 stops27h 29m

$1,627

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 16/2

15:20-10:00

2 stops26h 40m

Melbourne

Fri 20/2

13:00-21:30

2 stops24h 30m

$1,783

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 26/10

07:00-07:30

2 stops33h 30m

Sydney Kingsford Smith

Sun 2/11

10:40-18:13

2 stops22h 33m

$1,857

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Thu 23/10

20:10-19:20

2 stops32h 10m

Melbourne

Thu 30/10

06:00-14:02

3 stops47h 02m

$2,248

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 26/10

20:10-19:55

2 stops32h 45m

Sydney Kingsford Smith

Sun 2/11

05:20-14:02

3 stops47h 42m

$2,318

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/12

06:00-09:25

2 stops35h 25m

Melbourne

Wed 7/1

10:35-21:59

2 stops27h 24m

$2,906

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 1/11

18:46-06:55

1 stop21h 09m

Sydney Kingsford Smith

Sat 8/11

14:05-17:38

1 stop19h 33m

$3,145

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 27/12

13:46-06:55

1 stop25h 09m

Sydney Kingsford Smith

Tue 20/1

14:05-17:24

1 stop19h 19m

$3,462

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, 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 $1,669. If you don’t want to visit Australia in April, then you should wait until March to fly from Louisville, when ticket prices are also cheap, with an average price of $1,742.

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.
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  • 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 many operators does momondo search for flights from Louisville Intl Airport to Australia?

  • 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.

Best airlines flying from Louisville to Australia

Compare and see reviews for airlines that fly from Louisville to Australia with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $1,351Free cancellationRating
7.4
8,936 reviews
Search United Airlines flights

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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