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Cheap flights from Louisville to Sydney from $1,513

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

$1,825

Popular in

July

Cheapest in

April

Average price

$2,099
United Airlines
  • United Airlines
  • 20/3-31/3
  • 4 total stops
  • 74h 15m total
  • Louisville to Sydney
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($186 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($112 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 21 February 2025.

Sat 1/307:00SDF - SYD
1 stop32h 00mUnited Airlines
Sat 8/311:50SYD - SDF
1 stop23h 57mUnited Airlines
Deal found 20/2$1,513
Sat 22/207:05SDF - SYD
2 stops33h 30mDelta
Sun 2/311:05SYD - SDF
2 stops26h 35mDelta
Deal found 20/2$1,842
Wed 24/916:51SDF - SYD
2 stops26h 34mQantas Airways
Sun 12/1013:10SYD - SDF
1 stop23h 26mQantas Airways
Deal found 20/2$2,651
Mon 24/215:32SDF - SYD
2 stops25h 13mAir New Zealand
Wed 26/219:15SYD - SDF
2 stops42h 28mAir New Zealand
Deal found 20/2$3,344
Wed 24/906:00SDF - SYD
3 stops35h 20mAir Canada
Sun 12/1010:20SYD - SDF
2 stops24h 54mAir Canada
Deal found 20/2$3,735
Sat 22/215:32SDF - SYD
2 stops29h 08mMultiple Airlines
Sun 2/311:45SYD - SDF
3 stops26h 41mMultiple Airlines
Deal found 20/2$3,871
Wed 24/912:40SDF - SYD
3 stops54h 55mLATAM Airlines
Sun 12/1012:50SYD - SDF
3 stops35h 41mLATAM Airlines
Deal found 20/2$5,169
Mon 19/513:58SDF - SYD
2 stops27h 07mAmerican Airlines
Fri 30/509:10SYD - SDF
2 stops24h 35mAmerican Airlines
Deal found 19/2$29,102

Find flights from Louisville to Sydney within your budget

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 21 February 2025.

Fly from

Louisville

Fly to

Sydney

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 20/3

17:45-09:05

2 stops24h 20m

Sydney Kingsford Smith

Mon 31/3

11:20-22:15

2 stops49h 55m

$1,825

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 20/3

18:32-06:35

1 stop21h 03m

Sydney Kingsford Smith

Mon 31/3

11:25-17:36

1 stop21h 11m

$3,750

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 20/3

08:00-08:35

3 stops33h 35m

Sydney Kingsford Smith

Mon 31/3

09:55-13:13

2 stops42h 18m

$4,415

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 20/3

10:05-08:35

3 stops31h 30m

Sydney Kingsford Smith

Mon 31/3

10:20-13:23

3 stops42h 03m

$5,829

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 19/5

13:58-07:05

2 stops27h 07m

Sydney Kingsford Smith

Fri 30/5

09:10-19:45

2 stops24h 35m

$29,102

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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.

Travel insights for flights from Louisville to Sydney

Get recent, data-driven insights about flights from Louisville to Sydney including ideal travel times, pricing trends, and more.

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.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 21 February 2025.
See what other customers who have flown with Qantas Airways, United Airlines and American Airlines from Louisville to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.4
Good
813 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Food

6.9

Overall

7.4

Crew

8.1

Boarding

7.6

Reviews

1 / 20

6.0
Good

Steven,Dec 2024

ADL - BNE

Flight was delayed as usual and just an E190 which is junk.

Qantas Airways
7.4
Good
813 reviews
Qantas Airways
7.4
Good
813 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Food

6.9

Overall

7.4

Crew

8.1

Boarding

7.6

Reviews

1 / 20

6.0
Good

Steven,Dec 2024

ADL - BNE

Flight was delayed as usual and just an E190 which is junk.

United Airlines
7.4
Good
8,759 reviews
Qantas Airways
7.4
Good
813 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Food

6.9

Overall

7.4

Crew

8.1

Boarding

7.6

Reviews

1 / 20

6.0
Good

Steven,Dec 2024

ADL - BNE

Flight was delayed as usual and just an E190 which is junk.

American Airlines
7.2
Good
10,000 reviews
Qantas Airways
7.4
Good
813 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Food

6.9

Overall

7.4

Crew

8.1

Boarding

7.6

Reviews

1 / 20

6.0
Good

Steven,Dec 2024

ADL - BNE

Flight was delayed as usual and just an E190 which is junk.

Air Canada
7.0
Good
8,756 reviews
Qantas Airways
7.4
Good
813 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Food

6.9

Overall

7.4

Crew

8.1

Boarding

7.6

Reviews

1 / 20

6.0
Good

Steven,Dec 2024

ADL - BNE

Flight was delayed as usual and just an E190 which is junk.

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 ($1,825), Qantas Airways ($3,750), and Air Canada ($5,829) offers the cheapest pricing from Louisville to Sydney. These flights start at 21% 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
Randwick
Manly
Penrith
Coogee
Cronulla
Terrigal
Bondi Beach
Lithgow
Leura
Swansea

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.
Nashville to Sydney flights
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Fly with Cheapflights

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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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