SDF - SYD

$1,162 Find Cheap Flights from Louisville to Sydney

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Sydney departing on 16/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Sydney

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Louisville to Sydney, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Louisville to Sydney, as well as popular online travel agencies
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Cheap Flights from Louisville to Sydney (SDF-SYD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Louisville to Sydney that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Louisville to Sydney

Wed, 24 Sep - Sun, 12 Oct
United Airlines Logo
15:30 - 07:00SDF-SYD
49h 30m2 stops
United Airlines Logo
11:20 - 18:33SYD-SDF
22h 13m2 stops
$1,480United Airlines
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Wed, 24 Sep - Sun, 12 Oct
United Airlines Logo
15:30 - 07:00SDF-SYD
49h 30m2 stops
United Airlines Logo
11:20 - 10:01SYD-SDF
37h 41m2 stops
$1,482United Airlines
Find Deal
Sat, 30 Aug - Mon, 8 Sep
United Airlines Logo
15:30 - 06:55SDF-SYD
25h 25m2 stops
United Airlines Logo
10:20 - 22:30SYD-SDF
26h 10m2 stops
$1,560United Airlines
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Sun, 10 Aug - Mon, 18 Aug
 Logo
16:31 - 19:15SDF-SYD
36h 44m2 stops
 Logo
17:45 - 17:42SYD-SDF
37h 57m1 stop
$1,780
Find Deal
Sun, 10 Aug - Mon, 18 Aug
 Logo
16:31 - 07:30SDF-SYD
24h 59m1 stop
 Logo
17:45 - 17:42SYD-SDF
37h 57m1 stop
$1,893
Find Deal
Thu, 16 Oct - Wed, 5 Nov
Delta Logo
10:15 - 07:35SDF-SYD
30h 20m2 stops
Delta Logo
10:40 - 09:51SYD-SDF
39h 11m2 stops
$2,101Delta
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Sat, 27 Dec - Tue, 20 Jan
ANA Logo
13:55 - 20:15SDF-SYD
38h 20m2 stops
ANA Logo
12:25 - 20:14SYD-SDF
47h 49m2 stops
$2,562ANA
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Thu, 16 Oct - Wed, 5 Nov
Qantas Airways Logo
18:17 - 06:55SDF-SYD
21h 38m1 stop
Qantas Airways Logo
14:20 - 17:25SYD-SDF
19h 05m1 stop
$2,809Qantas Airways
Find Deal
Wed, 24 Sep - Sun, 12 Oct
Qantas Airways Logo
18:44 - 06:55SDF-SYD
22h 11m1 stop
Qantas Airways Logo
13:10 - 22:23SYD-SDF
24h 13m1 stop
$3,034Qantas Airways
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Sat, 23 Aug - Tue, 2 Sep
ANA Logo
13:59 - 09:25SDF-SYD
29h 26m2 stops
ANA Logo
20:55 - 20:00SYD-SDF
37h 05m2 stops
$6,398ANA
Find Deal
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KAYAK's insights & trends for Louisville to Sydney flights

Get data-powered insights and trends into flights from Louisville to Sydney to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Louisville to Sydney, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Louisville to Sydney is April, where tickets cost $1,689 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is $2,959 and $2,313 respectively.


Good to know

Low seasonJuly
High seasonJune
Cheapest flight$1,162
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from Louisville to Sydney

When to book flights from Louisville to Sydney

Are your dates flexible? Find out the best times to travel from Louisville to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Louisville to Sydney

  • What is the cheapest flight from Louisville to Sydney?

    In the last 3 days, the lowest price for a flight from Louisville to Sydney was $764 for a one-way ticket and $973 for a return.

  • Which airports will I be using when flying from Louisville to Sydney?

    When flying out of Louisville you will be using Louisville Intl. You will be landing at Sydney, also known as Sydney Kingsford Smith.

  • Which aircraft models fly most regularly from Louisville to Sydney?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Louisville to Sydney?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Louisville and Sydney, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Louisville to Sydney?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Louisville to Sydney.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Louisville to Sydney?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Louisville is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Louisville to Sydney?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Sydney with an airline and back to Louisville with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Louisville to Sydney?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sydney from Louisville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Louisville to Sydney

 
See real verified KAYAK customer reviews for airlines flying from Louisville to Sydney. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Louisville to Sydney? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8861 reviews
7.3Comfort
8.1Crew
7.7Boarding
7.0Entertainment
6.6Food
Airline reviews

We love united ! We would like to acknowledge Aimee in the lounge near gate 130

10.0 ExcellentGal, July 2025EWR - NCE
Read more United Airlines reviews

We love united ! We would like to acknowledge Aimee in the lounge near gate 130

Boarded plane and then delayed 1.5 hours while on the plane

Although the flight was delayed the crew and the flight itself were very good. Couldn't fault anything and after the disappointment of being abandoned in the US by BA it was a welcome relief to travel with United

Survey sent before we actually left. Delay after delay. Now a crew problem.

I love flying with United. Unfortunately, I flew on an older plane with minimal upgraded technology (no Bluetooth functionality or handy charging ports). Otherwise, the flight was great and even arrived early.

They changed my seats after I checked in and I was stressed from the time I saw that information until just before boarding, when the gate attendant fixed it, but it shouldn't have happened. And if it couldn't be prevented, then the people on the phone I spoke with should have done something to help, which they did not, nor did they offer me compensation, just meaningless apologies.

online check in was not available so i had to get to airport extra early. The flight was delayed and my luggage was lost. I had an argument with the person behind me who wanted to keep her bag on the floor and not allow my seat to recline on a 9hr plus flight. So overall, lots and lots of areas for improvement.

Horrific. They missed my connecting flight to San Diego. I didn’t get there until Monday at 9am when I had a mandatory court settlement conference scheduled at 6am since we had parties on the east coast. This caused many issues. All because United apparently forgot to hold the doors open until my flight landed that only had a 10 minute delay. This was the last flight to Southern California. So I couldn’t even rent a car to finish the trip. United cannot be trusted when traveling on specific days and times since weather didn’t have anything to do with the delays.

My flight was delayed a very short period of time but they did not hold my connecting flight to San Diego, also through United. So they closed the doors before we got off our plane. They would only have to help the door open for another five to ten minutes. So I missed a court deadline for a manditory mediation settlement conference for my client. I had to get an associate to be there in person and be on the phone with him relaying what he needs to do the entire time. The court was very upset with me and so was my client. United cannot be trusted.

Very rough getting into denver. my kid threw up it was so rough.

Everything you need to know for your flight from Louisville to Sydney

Information on your arrival and departure airports

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