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Cheap flights from Sydney to Louisville from $1,251

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SDF
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 22 January 2026.

Fri 24/409:15
SYD
-
SDF
2 stops28h 44m
Delta
Mon 4/511:01
SDF
-
SYD
2 stops29h 34m
Delta
Deal found 20/1$2,039
Wed 18/211:50
SYD
-
SDF
2 stops26h 23m
United Airlines
Sun 22/215:30
SDF
-
SYD
1 stop23h 30m
United Airlines
Deal found 19/1$2,504
Fri 24/418:45
SYD
-
SDF
3 stops40h 43m
Multiple Airlines
Mon 4/517:42
SDF
-
SYD
2 stops46h 28m
Multiple Airlines
Deal found 19/1$2,711

Find 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 22 January 2026.

Round-trip from

$2,039

One-way from

$1,251

Popular in

July

Cheapest in

October

Average price

$1,783
Delta
  • Delta
  • 24/4-4/5
  • 4 total stops
  • 53h 27m total
  • Sydney to Louisville
Search Deals
Delta
  • Delta
  • 16/6
  • 2 total stops
  • 37h 30m total
  • Sydney to Louisville
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($377 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($125 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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 22 January 2026.
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

Fri 24/4

09:15-19:08

2 stops23h 53m

Louisville Intl

Mon 4/5

11:01-06:35

2 stops29h 34m

$2,039

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Wed 18/2

11:50-19:51

1 stop24h 01m

Louisville Intl

Sun 22/2

15:30-07:00

1 stop23h 30m

$2,504

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Fri 24/4

12:00-21:41

1 stop23h 41m

Louisville Intl

Mon 4/5

17:42-08:00

2 stops24h 18m

$2,888

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Tue 16/6

09:15-08:45

2 stops37h 30m

$1,251

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Tue 16/6

12:00-17:31

1 stop19h 31m

$1,459

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Tue 16/6

18:45-23:25

3 stops42h 40m

$1,605

Flights are sorted by cheapest return flights first.

Deals found on 20/1

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 $1,078). Flying from Sydney to Louisville in July is currently the most expensive (average of $1,725). 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.

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 22 January 2026.
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
973 reviews
Check prices

Entertainment

7.2

Overall

7.5

Comfort

7.5

Crew

8.2

Food

7.0

Boarding

7.7

Reviews

1 / 20
6.0
Good

Marco,Dec 2025

BOS - LAX

There was no WiFi or tv traveling from LAX to Sydney. Way too long of a flight to have nothing.
Qantas Airways
7.5
Good
973 reviews
Qantas Airways
7.5
Good
973 reviews
Check prices

Entertainment

7.2

Overall

7.5

Comfort

7.5

Crew

8.2

Food

7.0

Boarding

7.7

Reviews

1 / 20
6.0
Good

Marco,Dec 2025

BOS - LAX

There was no WiFi or tv traveling from LAX to Sydney. Way too long of a flight to have nothing.
United Airlines
7.4
Good
9,191 reviews
Qantas Airways
7.5
Good
973 reviews
Check prices

Entertainment

7.2

Overall

7.5

Comfort

7.5

Crew

8.2

Food

7.0

Boarding

7.7

Reviews

1 / 20
6.0
Good

Marco,Dec 2025

BOS - LAX

There was no WiFi or tv traveling from LAX to Sydney. Way too long of a flight to have nothing.

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?

    Delta and United Airlines can get you from Sydney to Louisville in just under 23h 53m. Your travel time can differ by up to 08m. 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 $1,078. Another option worth looking into is Qantas Airways, starting at $1,552 round trip. These flights start at 44% 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 $1,078). Flying from Sydney to Louisville in July is currently the most expensive (average of $1,725). 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 Nashville flights
Sydney to Cincinnati 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 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,078Average$1,823FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,552Average$2,842FlexibilityNo 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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