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

Cheapflights users have booked flights from Louisville to Sydney round-trip from $973. Other airlines that can offer you cheap pricing are Delta, from $1,712, and Qantas Airways, from $1,742. United Airlines is currently priced 28% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Louisville to Sydney one-way?

The cheapest airlines for a one-way flight from Louisville to Sydney are United Airlines ($662), Delta ($844), and Qantas Airways ($1,232).

What is the cheapest day to fly from Louisville to Sydney?

Travelers seeking maximum savings on their Louisville to Sydney flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

What are the most popular airlines that fly from Louisville to Sydney?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Louisville to Sydney.

What is the cheapest day to fly round-trip from Louisville to Sydney?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 67% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Louisville to Sydney?

April can be a great time to fly to Sydney from Louisville with a flight ticket averaging about $1,358. Cheapflights users have found deals in the month of April for as cheap as $1,083. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from SDF to SYD?

It’s typically best to fly out from Louisville to Sydney at noon. Doing so could potentially save you 26% on the flight price compared to flying in the morning, which is usually more expensive.

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 vacation 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.

$662+ Flights from Louisville to Sydney

Q: How much does it cost to fly round-trip from Louisville to Sydney?

Airfare is below average for this route at the moment. Louisville to Sydney flights typically cost between $1,190 and $1,432 in September. The cheapest round-trip price found within the last 3 days was $973 on United Airlines (Sep 24-Oct 12).

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Cheap flight deals from Louisville to Sydney

Round-trip from	$973 (United Airlines)
One-way from	$662 (United Airlines)
Popular in	December
Cheapest in	April
Average price	$1,330

From Louisville Intl to Sydney Kingsford Smith

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One-way flight from Louisville Intl to Sydney Kingsford Smith

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Highest demand for flights based on searches. 17% potential increase in price ($280 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($69 potential savings vs. average RT price).

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Average for round-trip flights in July 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 julio 30, 2025.

mié. 9/243:30 pmSDF - SYD

2 stops49h 30mUnited Airlines

dom. 10/1211:20 amSYD - SDF

2 stops25h 34mUnited Airlines

Deal found 7/30

$973

vie. 8/16:26 pmSDF - SYD

1 stop23h 04mMultiple Airlines

dom. 8/35:45 pmSYD - SDF

1 stop37h 33mMultiple Airlines

Deal found 7/28

$1,531

sáb. 12/2712:37 pmSDF - SYD

2 stops26h 13mDelta

mar. 1/202:15 pmSYD - SDF

2 stops22h 37mDelta

Deal found 7/30

$1,712

mar. 11/44:26 pmSDF - SYD

1 stop22h 29mQantas Airways

mar. 11/182:20 pmSYD - SDF

1 stop19h 18mQantas Airways

Deal found 7/28

$1,742

mar. 11/46:45 amSDF - SYD

3 stops34h 50mAir Canada

mar. 11/1811:20 amSYD - SDF

3 stops41h 09mAir Canada

Deal found 7/28

$2,153

Best flights from Louisville to Sydney
Discover carefully curated flight deals from Louisville to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 30, 2025.

mié. 9/243:30 pmSDF - SYD

2 stops49h 30mUnited Airlines

dom. 10/1211:20 amSYD - SDF

2 stops25h 34mUnited Airlines

Deal found 7/30

$973

mié. 9/243:35 pmSDF - SYD

2 stops27h 10mMultiple Airlines

dom. 10/128:45 amSYD - SDF

3 stops28h 45mMultiple Airlines

Deal found 7/30

$1,617

sáb. 12/2712:37 pmSDF - SYD

2 stops26h 13mDelta

mar. 1/202:15 pmSYD - SDF

2 stops22h 37mDelta

Deal found 7/30

$1,712

mar. 11/44:26 pmSDF - SYD

1 stop22h 29mQantas Airways

mar. 11/182:20 pmSYD - SDF

1 stop19h 18mQantas Airways

Deal found 7/28

$1,742

mar. 11/46:45 amSDF - SYD

3 stops34h 50mAir Canada

mar. 11/1811:20 amSYD - SDF

3 stops41h 09mAir Canada

Deal found 7/28

$2,153

sáb. 8/239:05 amSDF - SYD

2 stops44h 10mANA

mar. 9/28:55 pmSYD - SDF

2 stops37h 05mANA

Deal found 7/28

$4,852

Last-minute flights from Louisville to Sydney
Discover last-minute flight deals from Louisville to Sydney. Data last updated julio 30, 2025 and is based on user searches.

vie. 8/16:26 pmSDF - SYD

1 stop23h 04mMultiple Airlines

dom. 8/35:45 pmSYD - SDF

1 stop37h 33mMultiple Airlines

Deal found 7/28

$1,531

sáb. 8/239:05 amSDF - SYD

2 stops44h 10mANA

mar. 9/28:55 pmSYD - SDF

2 stops37h 05mANA

Deal found 7/28

$4,852

dom. 8/243:30 pmSDF - SYD

2 stops25h 30mUnited Airlines

lun. 9/110:20 amSYD - SDF

2 stops42h 08mUnited Airlines

Deal found 7/30

$1,431

dom. 8/246:25 pmSDF - SYD

1 stop22h 30mQantas Airways

lun. 9/112:10 pmSYD - SDF

1 stop19h 21mQantas Airways

Deal found 7/30

$2,302

dom. 8/2410:55 amSDF - SYD

3 stops30h 25mAir Canada

lun. 9/19:20 amSYD - SDF

2 stops27h 04mAir Canada

Deal found 7/30

$3,745

One-way flights from Louisville to Sydney
Search for one-way flight options from Louisville to Sydney. Find affordable one-way fares based on user searches. Data last updated julio 30, 2025.

mar. 12/23:33 pmSDF - SYD

2 stops25h 42mUnited Airlines

Deal found 7/29

$662

jue. 1/1510:15 amSDF - SYD

2 stops28h 35mDelta

Deal found 7/30

$844

mar. 12/26:00 amSDF - SYD

3 stops32h 55mMultiple Airlines

Deal found 7/29

$1,020

jue. 1/152:18 pmSDF - SYD

1 stop24h 37mQantas Airways

Deal found 7/30

$1,128

jue. 12/256:00 amSDF - SYD

2 stops44h 05mAir New Zealand

Deal found 7/27

$1,330

jue. 12/259:00 amSDF - SYD

3 stops32h 35mAir Canada

Deal found 7/27

$2,219

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

mié. 9/24

3:30 pm-7:00 am

2 stops49h 30m

Sydney Kingsford Smith

dom. 10/12

11:20 am-9:54 pm

2 stops25h 34m

$973

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

mié. 9/24

3:35 pm-8:45 am

2 stops27h 10m

Sydney Kingsford Smith

dom. 10/12

8:45 am-10:30 pm

3 stops28h 45m

$1,617

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

sáb. 12/27

12:37 pm-6:50 am

2 stops26h 13m

Sydney Kingsford Smith

mar. 1/20

2:15 pm-8:52 pm

2 stops22h 37m

$1,712

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

mar. 11/4

4:26 pm-6:55 am

1 stop22h 29m

Sydney Kingsford Smith

mar. 11/18

2:20 pm-5:38 pm

1 stop19h 18m

$1,742

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

mar. 11/4

6:45 am-9:35 am

3 stops34h 50m

Sydney Kingsford Smith

mar. 11/18

11:20 am-12:29 pm

3 stops41h 09m

$2,153

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

sáb. 8/23

9:05 am-7:15 pm

2 stops44h 10m

Sydney Kingsford Smith

mar. 9/2

8:55 pm-8:00 pm

2 stops37h 05m

$4,852

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

mar. 12/2

3:33 pm-9:15 am

2 stops25h 42m

$662

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

jue. 1/15

10:15 am-6:50 am

2 stops28h 35m

$844

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

mar. 12/2

6:00 am-6:55 am

3 stops32h 55m

$1,020

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

jue. 1/15

2:18 pm-6:55 am

1 stop24h 37m

$1,128

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 results

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 round-trip 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, February is the cheapest month in which you can book a flight from Louisville to Sydney (average of $1,028). Flying from Louisville to Sydney in December is currently the most expensive (average of $1,619). 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 to fly round-trip from Louisville to Sydney?

Reviews of airlines servicing Sydney

See what other customers who have flown with ANA, Delta, and Air New Zealand 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.

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

ANA

8.4

Very good

922 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Delta

8.0

Very good

7,980 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Air New Zealand

8.0

Very good

501 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Qantas Airways

7.5

Good

887 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

United Airlines

7.4

Good

8,896 reviews

ANA

8.4

Very good

922 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Related info for your journey

What are the cheapest airlines flying from Louisville to Sydney round-trip?
Cheapflights users have booked flights from Louisville to Sydney round-trip from $973. Other airlines that can offer you cheap pricing are Delta, from $1,712, and Qantas Airways, from $1,742. United Airlines is currently priced 28% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Louisville to Sydney one-way?
The cheapest airlines for a one-way flight from Louisville to Sydney are United Airlines ($662), Delta ($844), and Qantas Airways ($1,232).
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 vacation 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, February is the cheapest month in which you can book a flight from Louisville to Sydney (average of $1,028). Flying from Louisville to Sydney in December is currently the most expensive (average of $1,619). 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

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Other flights to Sydney

Top 3 airlines flying from Louisville to Sydney

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$930	Average$1,274	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$985	Average$1,409	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$1,190	Average$1,770	FlexibilityNo cancel fee	On-time71%

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$662+ Cheap flights from Louisville (SDF) to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Louisville to Sydney

Round-trip from

One-way from

Popular in

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Find flight deals from Louisville to Sydney

Cheapest flights from Louisville to SydneyExplore 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 julio 30, 2025.

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 julio 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisville to Sydney that are best for you.

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.

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?

How much does it cost to fly round-trip from Louisville to Sydney?

Reviews of airlines servicing Sydney

See what other customers who have flown with ANA, Delta, and Air New Zealand 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.

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?

What are the cheapest airlines to fly from Louisville to Sydney one-way?

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

How can I find direct flights from Louisville to Sydney?

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

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

Traveling to a place near Sydney?

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.

Top 3 airlines flying from Louisville to Sydney

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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 julio 30, 2025.