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Cheap flights from Sydney to Louisville from $1,791

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SDF
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Find flight deals from Sydney to Louisville

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Louisville
Explore the most affordable flight options available from Sydney to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Thu 4/1211:45SYD - SDF
2 stops26h 12mMultiple Airlines
Thu 11/1209:00SDF - SYD
3 stops31h 45mMultiple Airlines
Deal found 20/10$1,791
Tue 18/1112:10SYD - SDF
2 stops23h 44mUnited Airlines
Tue 25/1115:20SDF - SYD
2 stops25h 45mUnited Airlines
Deal found 19/10$1,841
Thu 4/1211:20SYD - SDF
2 stops23h 53mAmerican Airlines
Thu 11/1216:27SDF - SYD
2 stops24h 33mAmerican Airlines
Deal found 20/10$1,890
Tue 18/1111:50SYD - SDF
1 stop26h 07mUnited Airlines
Fri 2/110:50SDF - SYD
2 stops28h 10mUnited Airlines
Deal found 19/10$2,213
Sat 20/1211:50SYD - SDF
1 stop24h 09mUnited Airlines
Sun 4/115:25SDF - SYD
2 stops25h 50mUnited Airlines
Deal found 19/10$2,782
Tue 18/1114:05SYD - SDF
1 stop23h 56mMultiple Airlines
Tue 25/1116:26SDF - SYD
1 stop22h 29mMultiple Airlines
Deal found 19/10$2,871
Tue 18/1108:45SYD - SDF
3 stops27h 34mMultiple Airlines
Fri 2/113:46SDF - SYD
2 stops26h 49mMultiple Airlines
Deal found 19/10$3,406

Cheap flight deals from Sydney to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Louisville (SDF). 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 October 2025.

Round-trip from

$1,791

Popular in

December

Cheapest in

October

Average price

$1,642
4/12-11/12
  • 4/12-11/12
  • 5 total stops
  • 57h 57m total
  • Sydney to Louisville
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($301 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($207 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Louisville 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 October 2025.
Use the filters below to find and compare flights from Sydney to Louisville that are best for you.

Fly from

Sydney

Fly to

Louisville

Route

Depart

Return

Price

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Tue 18/11

12:10-21:57

2 stops25h 47m

Louisville Intl

Tue 25/11

15:35-07:00

1 stop23h 25m

$1,841

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Tue 18/11

11:50-21:57

1 stop26h 07m

Louisville Intl

Fri 2/1

10:50-07:00

2 stops28h 10m

$2,213

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Sun 8/3

10:40-08:34

2 stops37h 54m

Louisville Intl

Tue 10/3

10:10-07:30

2 stops30h 20m

$2,345

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Thu 4/12

14:05-17:33

1 stop19h 28m

Louisville Intl

Thu 11/12

16:27-09:00

2 stops24h 33m

$2,419

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Sun 8/3

11:50-19:14

2 stops23h 24m

Louisville Intl

Tue 10/3

15:50-07:00

1 stop24h 10m

$2,596

Flights are sorted by cheapest return flights first.

Deals found on 19/10

Best time to book a flight from Sydney to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Sydney 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 Sydney to Louisville

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

Currently, June is the cheapest month in which you can book a flight from Sydney to Louisville (average of $1,119). Flying from Sydney to Louisville in July is currently the most expensive (average of $1,798). 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.

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

Find hourly flight availability from Sydney to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 October 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 37% on flights from Sydney to Louisville by exploring options for tickets in the afternoon.

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated 21 October 2025.
Read reviews from past customers who have flown with Qantas Airways and United Airlines from Sydney to Louisville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
922 reviews
Check prices

Food

7.0

Comfort

7.5

Boarding

7.7

Overall

7.5

Entertainment

7.2

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
922 reviews
Qantas Airways
7.5
Good
922 reviews
Check prices

Food

7.0

Comfort

7.5

Boarding

7.7

Overall

7.5

Entertainment

7.2

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
United Airlines
7.4
Good
8,991 reviews
Qantas Airways
7.5
Good
922 reviews
Check prices

Food

7.0

Comfort

7.5

Boarding

7.7

Overall

7.5

Entertainment

7.2

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

Related info for your journey

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

  • How long is the flight from Sydney to Louisville?

    United Airlines and Delta can get you from Sydney to Louisville in just under 25h 47m. Your travel time can differ by up to 12h 07m. The distance between Sydney and Louisville is about 14948 km. This flight may include one or multiple stops.

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

    Flying on United Airlines is currently your cheapest option to Louisville, with prices starting at $1,282. Another option worth looking into is Qantas Airways, starting at $1,611 round trip. These flights start at 40% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sydney to Louisville 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 Sydney to Louisville?

    Currently, June is the cheapest month in which you can book a flight from Sydney to Louisville (average of $1,119). Flying from Sydney to Louisville in July is currently the most expensive (average of $1,798). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to Louisville

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

Top 2 airlines flying from Sydney to Louisville

Discover the top 2 airlines that operate flights from Sydney to Louisville. 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 21 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,282Average$2,001FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,611Average$2,952FlexibilityNo cancel feeOn-time74%
Search Qantas Airways 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 Sydney to Louisville?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sydney to Louisville. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Sydney to Louisville.

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

Yes! Cheapflights helps users easily find flights from Sydney to Louisville with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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