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Cheap flights from Louisville to Sydney from $1,491

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
5 Jul — 12 Jul1
1 adult

Cheap flight deals from Louisville to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 June 2025.

Round-trip from

$1,491

Popular in

December

Cheapest in

April

Average price

$1,918
United Airlines
  • United Airlines
  • 24/9-12/10
  • 4 total stops
  • 75h 40m total
  • Louisville to Sydney
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($518 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($126 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Find flight deals from Louisville to Sydney

Cheapest flights from Louisville to Sydney
Explore the most affordable flight options available from Louisville to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Wed 24/915:30SDF - SYD
2 stops49h 30mUnited Airlines
Sun 12/1011:20SYD - SDF
2 stops26h 10mUnited Airlines
Deal found 30/6$1,491
Fri 11/718:26SDF - SYD
2 stops27h 19mMultiple Airlines
Thu 31/717:45SYD - SDF
1 stop37h 33mMultiple Airlines
Deal found 29/6$2,185
Sat 27/1209:00SDF - SYD
2 stops43h 15mANA
Tue 20/112:25SYD - SDF
2 stops40h 35mANA
Deal found 29/6$2,579
Wed 24/916:43SDF - SYD
1 stop24h 12mQantas Airways
Sun 12/1013:10SYD - SDF
1 stop23h 26mQantas Airways
Deal found 28/6$3,009
Thu 3/715:45SDF - SYD
2 stops35h 25mQatar Airways
Sat 5/720:45SYD - SDF
2 stops63h 16mQatar Airways
Deal found 29/6$3,515
Sat 27/1210:55SDF - SYD
3 stops30h 40mAir Canada
Tue 20/111:20SYD - SDF
2 stops26h 37mAir Canada
Deal found 28/6$4,166
Mon 30/615:24SDF - SYD
3 stops52h 11mLATAM Airlines
Mon 7/711:50SYD - SDF
2 stops36h 04mLATAM Airlines
Deal found 29/6$14,226

Cheapflights Fare Finder

Customise your flight search to find flights from Louisville to Sydney 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, Cheapflights users made 647,157 searches. Data last updated 30 June 2025.
Use the filters below to find and compare flights from Louisville to Sydney that are best for you.

Fly from

Louisville

Fly to

Sydney

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 24/9

15:30-07:00

2 stops49h 30m

Sydney Kingsford Smith

Sun 12/10

11:20-22:30

2 stops26h 10m

$1,491

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 11/7

18:26-11:45

2 stops27h 19m

Sydney Kingsford Smith

Thu 31/7

17:45-17:18

1 stop37h 33m

$2,185

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 27/12

09:00-20:15

2 stops43h 15m

Sydney Kingsford Smith

Tue 20/1

12:25-13:00

2 stops40h 35m

$2,579

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 24/9

16:43-06:55

1 stop24h 12m

Sydney Kingsford Smith

Sun 12/10

13:10-21:36

1 stop23h 26m

$3,009

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 27/12

10:55-09:35

3 stops30h 40m

Sydney Kingsford Smith

Tue 20/1

11:20-21:57

2 stops26h 37m

$4,166

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 24/7

15:32-07:05

2 stops25h 33m

Sydney Kingsford Smith

Thu 31/7

09:10-17:46

2 stops22h 36m

$39,288

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 13/7

16:31-11:35

3 stops53h 04m

$1,541

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 13/7

07:15-09:25

2 stops36h 10m

$1,604

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 13/7

20:40-06:55

1 stop20h 15m

$2,086

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Best time to book a flight from Louisville to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Louisville with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Sydney

What is the cheapest month to book a flight from Louisville to Sydney?

Currently, May is the cheapest month in which you can book a flight from Louisville to Sydney (average of $129). Flying from Louisville to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Louisville to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 30 June 2025.
Check out reviews from past customers who have flown with ANA, Qantas Airways, andUnited Airlines from Louisville to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very Good
889 reviews
Check prices

Overall

8.4

Food

7.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - HND

The flight with ANA was fantastic. Huge plane but was boarded swiftly and efficiently with a lot of crew members engaged to expedite the process. The onboard crew was polite and considerate and constantly doing things to serve passengers. The plane was new and in great working order-- definitely more spacious than the Alaska plane we took from SLC. Food was solid, not great. Lots of movie options.
ANA
8.4
Very Good
889 reviews
ANA
8.4
Very Good
889 reviews
Check prices

Overall

8.4

Food

7.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - HND

The flight with ANA was fantastic. Huge plane but was boarded swiftly and efficiently with a lot of crew members engaged to expedite the process. The onboard crew was polite and considerate and constantly doing things to serve passengers. The plane was new and in great working order-- definitely more spacious than the Alaska plane we took from SLC. Food was solid, not great. Lots of movie options.
Qantas Airways
7.5
Good
867 reviews
ANA
8.4
Very Good
889 reviews
Check prices

Overall

8.4

Food

7.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - HND

The flight with ANA was fantastic. Huge plane but was boarded swiftly and efficiently with a lot of crew members engaged to expedite the process. The onboard crew was polite and considerate and constantly doing things to serve passengers. The plane was new and in great working order-- definitely more spacious than the Alaska plane we took from SLC. Food was solid, not great. Lots of movie options.
United Airlines
7.4
Good
8,852 reviews
ANA
8.4
Very Good
889 reviews
Check prices

Overall

8.4

Food

7.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - HND

The flight with ANA was fantastic. Huge plane but was boarded swiftly and efficiently with a lot of crew members engaged to expedite the process. The onboard crew was polite and considerate and constantly doing things to serve passengers. The plane was new and in great working order-- definitely more spacious than the Alaska plane we took from SLC. Food was solid, not great. Lots of movie options.
American Airlines
7.2
Good
10,000 reviews
ANA
8.4
Very Good
889 reviews
Check prices

Overall

8.4

Food

7.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - HND

The flight with ANA was fantastic. Huge plane but was boarded swiftly and efficiently with a lot of crew members engaged to expedite the process. The onboard crew was polite and considerate and constantly doing things to serve passengers. The plane was new and in great working order-- definitely more spacious than the Alaska plane we took from SLC. Food was solid, not great. Lots of movie options.
Air Canada
7.1
Good
9,654 reviews
ANA
8.4
Very Good
889 reviews
Check prices

Overall

8.4

Food

7.7

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - HND

The flight with ANA was fantastic. Huge plane but was boarded swiftly and efficiently with a lot of crew members engaged to expedite the process. The onboard crew was polite and considerate and constantly doing things to serve passengers. The plane was new and in great working order-- definitely more spacious than the Alaska plane we took from SLC. Food was solid, not great. Lots of movie options.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Louisville to Sydney round-trip?

    According to our current data, United Airlines ($1,491), ANA ($2,579), and Qantas Airways ($3,009) offers the cheapest pricing from Louisville to Sydney. These flights start at 28% lower than the current average price 3 months from now.

  • Can I find deals for flights from Louisville to Sydney that include hotel bookings?

    Yes. In addition to deals on Louisville to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Sydney.

  • Can I find deals for business class flights from Louisville to Sydney?

    Yes. Cheapflights offers flight deals from Louisville to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Louisville to Sydney (average of $129). Flying from Louisville to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Manly
Penrith
Coogee
Randwick
Cronulla
Terrigal
Lithgow
Bondi Beach
Leura

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Sydney flights
Nashville to Sydney flights

Top airline flying from Louisville to Sydney

Discover the top airline that operate flights from Louisville to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 30 June 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,376Average$2,228FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Louisville to Sydney?

Cheapflights helps you search for flights from Louisville to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Louisville to Sydney?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Louisville to Sydney for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Louisville to Sydney with no change fees?

Certainly. Search results for flights to Sydney from Louisville shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Louisville to Sydney become cheaper?

Yes, Cheapflights offers price alerts on Louisville to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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