$694+ Cheap flights from Louisville (SDF) to Sydney (SYD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Sydney with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Louisville to Sydney
Cheapest
Best
Last-minute
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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 October 25, 2026.
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 October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:45 pm -
1 stop24h 15m
Mon 11/99:15 am -
1 stop27h 18m
Deal found 10/21![United Airlines logo]()
$1,199
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:37 am -
2 stops28h 23m
Tue 11/1011:20 am -
2 stops23h 12m
Deal found 10/20![United Airlines logo]()
$1,203
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:39 pm -
2 stops45h 41m
Wed 11/1110:40 am -
2 stops24h 34m
Deal found 10/21![Delta logo]()
$1,220
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:40 pm -
2 stops52h 50m
Tue 11/2410:40 am -
2 stops47h 31m
Deal found 10/21![Delta logo]()
$1,226
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:45 pm -
1 stop24h 15m
Thu 11/129:10 am -
1 stop20h 13m
Deal found 10/21![United Airlines logo]()
$1,249
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:37 pm -
2 stops25h 18m
Mon 11/911:50 am -
2 stops22h 42m
Deal found 10/21![United Airlines logo]()
$1,254
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop33h 00m
Mon 11/239:15 am -
1 stop28h 43m
Deal found 10/21![United Airlines logo]()
$1,257
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:24 pm -
2 stops25h 56m
Sun 11/2211:50 am -
2 stops42h 32m
Deal found 10/21![United Airlines logo]()
$1,265
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:39 pm -
2 stops45h 41m
Sat 11/1410:40 am -
2 stops23h 40m
Deal found 10/21![Delta logo]()
$1,270
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:37 pm -
1 stop24h 23m
Sun 11/89:15 am -
1 stop20h 08m
Deal found 10/21![United Airlines logo]()
$1,299
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:10 am -
1 stop29h 50m
Sat 11/289:10 am -
1 stop28h 48m
Deal found 10/24![United Airlines logo]()
$1,300
Best flights from Louisville to SydneyDiscover 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 October 25, 2026.
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 October 25, 2026.
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/218:20 am -
2 stops32h 10m
Tue 3/21:35 pm -
2 stops23h 16m
Deal found 10/22![Delta logo]()
$1,204
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/163:29 pm -
1 stop23h 31m
Sun 2/289:15 am -
1 stop20h 23m
Deal found 10/22![United Airlines logo]()
$1,250
This Qantas Airways deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:31 pm -
1 stop21h 24m
Fri 12/1111:15 am -
2 stops22h 57m
Deal found 10/20![Multiple Airlines logo]()
$1,450
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1710:15 am -
2 stops30h 05m
Tue 4/139:15 am -
2 stops38h 39m
Deal found 10/20![Delta logo]()
$1,204
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:24 pm -
2 stops49h 56m
Sat 11/289:10 am -
1 stop28h 48m
Deal found 10/24![United Airlines logo]()
$1,270
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2210:43 am -
2 stops29h 47m
Tue 3/210:40 am -
2 stops29h 22m
Deal found 10/22![Delta logo]()
$1,204
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:00 am -
2 stops33h 05m
Thu 11/129:10 am -
1 stop27h 23m
Deal found 10/21![United Airlines logo]()
$1,555
Last-minute flights from Louisville to SydneyDiscover last-minute flight deals from Louisville to Sydney. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Sydney. Data last updated October 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:37 pm -
2 stops25h 18m
Mon 11/911:50 am -
2 stops22h 42m
Deal found 10/21![United Airlines logo]()
$1,254
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:39 pm -
2 stops45h 41m
Wed 11/1110:40 am -
2 stops24h 34m
Deal found 10/21![Delta logo]()
$1,220
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:39 pm -
2 stops45h 41m
Sat 11/1410:40 am -
2 stops23h 40m
Deal found 10/21![Delta logo]()
$1,270
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:37 pm -
1 stop24h 23m
Sun 11/89:15 am -
1 stop20h 08m
Deal found 10/21![United Airlines logo]()
$1,299
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:45 pm -
1 stop24h 15m
Mon 11/99:15 am -
1 stop27h 18m
Deal found 10/21![United Airlines logo]()
$1,199
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:45 pm -
1 stop24h 15m
Thu 11/129:10 am -
1 stop20h 13m
Deal found 10/21![United Airlines logo]()
$1,249
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:40 pm -
2 stops52h 50m
Tue 11/2410:40 am -
2 stops47h 31m
Deal found 10/21![Delta logo]()
$1,226
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop33h 00m
Mon 11/239:15 am -
1 stop28h 43m
Deal found 10/21![United Airlines logo]()
$1,257
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:24 pm -
2 stops25h 56m
Sun 11/2211:50 am -
2 stops42h 32m
Deal found 10/21![United Airlines logo]()
$1,265
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:37 am -
2 stops28h 23m
Tue 11/1011:20 am -
2 stops23h 12m
Deal found 10/20![United Airlines logo]()
$1,203
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:10 am -
1 stop29h 50m
Sat 11/289:10 am -
1 stop28h 48m
Deal found 10/24![United Airlines logo]()
$1,300
One-way flights from Louisville to SydneySearch for one-way flight options from Louisville to Sydney. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Louisville to Sydney. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This oojo deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:26 pm -
2 stops23h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Qantas Airways logo]()
$694
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:01 pm -
2 stops27h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Delta logo]()
$702
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:17 am -
2 stops32h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![United Airlines logo]()
$724
This Qantas Airways deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:10 pm -
3 stops26h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$728
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:59 pm -
3 stops44h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$810
This Qantas Airways deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:26 pm -
1 stop21h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Qantas Airways logo]()
$837
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:39 am -
3 stops50h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$881
This Qantas Airways deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/266:25 pm -
2 stops24h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Qantas Airways logo]()
$901
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:27 am -
3 stops31h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$1,057
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:27 am -
3 stops31h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$1,123
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:27 am -
3 stops31h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$1,189
Find 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,199 (United Airlines) |
One-way from | $694 (oojo) |
Popular in | December |
Cheapest in | August |
Average price | $1,584 |
Cheapflights Fare Finder
Customize 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 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Louisville to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Wed 11/11
9:10 am-9:05 am
2 stops31h 55m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$702
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Mon 11/9
1:01 pm-8:30 am
2 stops27h 29m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$702
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Fri 11/13
3:45 pm-9:05 am
2 stops25h 20m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$724
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Thu 11/12
9:02 am-9:05 am
2 stops32h 03m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$724
Quickest round-trip
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Thu 11/12
5:26 pm-6:55 am
1 stop21h 29m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$837
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Sun 2/21
8:20 am-8:30 am
2 stops32h 10m
Sydney Kingsford Smith
Tue 3/2
1:35 pm-8:51 pm
2 stops23h 16m
$1,204
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Wed 3/17
10:15 am-7:20 am
2 stops30h 05m
Sydney Kingsford Smith
Tue 4/13
9:15 am-9:54 am
2 stops38h 39m
$1,204
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Mon 2/22
10:43 am-8:30 am
2 stops29h 47m
Sydney Kingsford Smith
Tue 3/2
10:40 am-12:02 am
2 stops29h 22m
$1,204
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Tue 2/16
3:29 pm-7:00 am
1 stop23h 31m
Sydney Kingsford Smith
Sun 2/28
9:15 am-1:38 pm
1 stop20h 23m
$1,250
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Sat 11/21
3:24 pm-9:20 am
2 stops49h 56m
Sydney Kingsford Smith
Sat 11/28
9:10 am-9:58 pm
1 stop28h 48m
$1,270
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Louisville to Sydney
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Sydney in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Louisville-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Sydney flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
SDF-SYD
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.
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 October 25, 2026.
See what other customers who have flown with United 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.
Boarding
7.7
Food
6.7
Overall
7.3
Comfort
7.3
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Food
6.7
Overall
7.3
Comfort
7.3
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Traveling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsParramatta
Wollongong
Coogee
Manly
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Sydney flight routes
Alternative routes for Louisville to Sydney
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Sydney by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Louisville to Sydney by cabin class
Find flights from Louisville to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Louisville and Sydney flights
Browse other Louisville and Sydney flight options. Last updated on October 25, 2026.
Other flights from Louisville
Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sydney
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,243 | Average$1,515 | FlexibilityNo cancel fee | On-time69% |