SDF - SYD

$645 Find Cheap Flights from Louisville to Sydney - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,238
Typical prices: $1,234-$1,555
United Airlines
Sun 11/11Sun 11/18
SDF - SYD • 1 stop
Cheapest one-way
$645
Typical prices: $662-$839
Qantas Airways
Sun 10/21
SDF - SYD • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Louisville and Sydney. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
August
Cheapest • 12% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Houston George Bush Intcntl (IAH)
Cheapest • Avg $1,473 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 22h 09m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Louisville to Sydney (SDF-SYD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to Sydney

Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
9:10 am - 7:00 amSDF  Louisville Intl-SYD Sydney Kingsford Smith
29h 50m1 stop Houston George Bush Intcntl
United Airlines Logo
9:15 am - 9:58 pmSYD  Sydney Kingsford Smith-SDF Louisville Intl
28h 43m1 stop Houston George Bush Intcntl
$1,238United Airlines
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
3:24 pm - 9:05 amSDF  Louisville Intl-SYD Sydney Kingsford Smith
25h 41m2 stops Denver Intl Los Angeles
United Airlines Logo
9:15 am - 1:23 pmSYD  Sydney Kingsford Smith-SDF Louisville Intl
20h 08m1 stop Houston George Bush Intcntl
$1,238United Airlines
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
3:24 pm - 9:20 amSDF  Louisville Intl-SYD Sydney Kingsford Smith
25h 56m2 stops Denver Intl San Francisco
United Airlines Logo
11:20 am - 6:32 pmSYD  Sydney Kingsford Smith-SDF Louisville Intl
23h 12m2 stops Los Angeles Chicago O'Hare Intl
$1,242United Airlines
Sun, Nov 8 - Sun, Nov 15
Delta Logo
3:26 pm - 8:30 amSDF  Louisville Intl-SYD Sydney Kingsford Smith
25h 04m2 stops Atlanta Hartsfield-Jackson Los Angeles
Delta Logo
10:40 am - 9:13 pmSYD  Sydney Kingsford Smith-SDF Louisville Intl
26h 33m2 stops Los Angeles Detroit Metropolitan Wayne County
$1,294Delta
Sun, Mar 7 - Sun, Mar 21
Air New Zealand Logo
3:50 pm - 10:35 amSDF  Louisville Intl-SYD Sydney Kingsford Smith
26h 45m2 stops Houston George Bush Intcntl Auckland Intl
Air New Zealand Logo
7:25 pm - 9:30 pmSYD  Sydney Kingsford Smith-SDF Louisville Intl
41h 05m2 stops Auckland Intl Houston George Bush Intcntl
$1,346Air New Zealand
Sun, Jan 31 - Fri, Feb 12
Air New Zealand Logo
9:32 am - 8:35 amSDF  Louisville Intl-SYD Sydney Kingsford Smith
31h 03m2 stops Houston George Bush Intcntl Auckland Intl
Air New Zealand Logo
7:30 am - 9:30 pmSYD  Sydney Kingsford Smith-SDF Louisville Intl
30h 00m2 stops Auckland Intl Houston George Bush Intcntl
$1,346Air New Zealand
Sun, Jan 31 - Fri, Feb 12
Qantas Airways Logo
6:28 pm - 2:50 pmSDF  Louisville Intl-SYD Sydney Kingsford Smith
28h 22m2 stops Dallas/Fort Worth Auckland Intl
Qantas Airways Logo
2:05 pm - 6:28 pmSYD  Sydney Kingsford Smith-SDF Louisville Intl
20h 23m1 stop Dallas/Fort Worth
$1,372Qantas Airways
Sun, Jan 31 - Fri, Feb 12
United Airlines Logo
3:50 pm - 7:00 amSDF  Louisville Intl-SYD Sydney Kingsford Smith
23h 10m1 stop Houston George Bush Intcntl
United Airlines Logo
9:15 am - 1:33 pmSYD  Sydney Kingsford Smith-SDF Louisville Intl
20h 18m1 stop Houston George Bush Intcntl
$1,398United Airlines
Mon, Oct 12 - Sat, Oct 17
Delta Logo
1:59 pm - 7:50 amSDF  Louisville Intl-SYD Sydney Kingsford Smith
26h 51m2 stops Atlanta Hartsfield-Jackson Los Angeles
Delta Logo
10:15 am - 9:38 pmSYD  Sydney Kingsford Smith-SDF Louisville Intl
26h 23m2 stops Los Angeles Atlanta Hartsfield-Jackson
$1,562Delta
Mon, Oct 12 - Fri, Oct 16
Delta Logo
1:59 pm - 7:50 amSDF  Louisville Intl-SYD Sydney Kingsford Smith
26h 51m2 stops Atlanta Hartsfield-Jackson Los Angeles
Delta Logo
10:15 am - 9:13 pmSYD  Sydney Kingsford Smith-SDF Louisville Intl
25h 58m2 stops Los Angeles Detroit Metropolitan Wayne County
$1,562Delta
Booking Insights

Price, demand and travel trends for Louisville to Sydney flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Louisville to Sydney?

Round-trip flights from Louisville to Sydney typically range from $1,234 to $1,555. The lowest price found in the past 5 days was $1,238, on United Airlines.

What's the cheapest day of the week to fly from Louisville to Sydney?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Louisville to Sydney. It’s 12% cheaper than the average day, while Saturday is the most expensive, with prices 15% higher.

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Key details for Louisville to Sydney flights

Low season

February

Cheapest flight

$645
Beat the crowds with an average 20% drop in travelers.
One-way 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 round-trip price

Your Louisville to Sydney flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Louisville to Sydney?

    Two cabin classes are available on flights from Louisville to Sydney:

    • Economy Class
    • First Class

  • How long is a flight from Louisville to Sydney?

    A nonstop flight from Louisville to Sydney takes 00m, covering 9,288 miles.

  • Do I need a passport to fly from Louisville to Sydney?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Louisville to Sydney flight?

    Round-trip flights from Louisville to Sydney range from $1,234 to $1,555, with an average of $1,351 over the past 12 months. Anything below $1,234 counts as a good deal.

  • How are flight prices from Louisville to Sydney looking right now?

    One-way fares from Louisville to Sydney are currently higher than usual. Average one-way flight prices are about $1,171, which is 64% above the typical average for this route.

  • What car rental options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include:

    • Bargain Car Rentals
    • East Coast Car Rentals
    • EverythingFleet
    • YESDRIVE CAR RENTAL
    • No Birds

  • Which airports can I use when flying from Louisville to Sydney?

    Flights from Louisville to Sydney usually depart from Louisville Intl (SDF) and arrive at Sydney Kingsford Smith (SYD).

  • Which airports do connecting flights from Louisville to Sydney pass through?

    Connecting flights from Louisville to Sydney most commonly pass through:

    • Houston George Bush Intcntl (IAH) - 88% of one-stop connections
    • Dallas/Fort Worth (DFW) - 13% of one-stop connections

  • Can I save money by using flexible dates for flights from Louisville to Sydney?

    Yes. Flexible dates can save you up to 24% on flights from Louisville to Sydney. Wednesday is the cheapest departure day at $1,191 round-trip on average, while Saturday is the most expensive at $1,555, a difference of $364.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Louisville to Sydney?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 22h 09m, compared with 24h 06m via Houston George Bush Intcntl (IAH).

  • What is the time difference between Louisville and Sydney?

    Sydney is 14 hours ahead of Louisville (Eastern Australia Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Sydney Opera House, Museum of Contemporary Art and Chinatown Night Market. These are among the most viewed places in Sydney on KAYAK.

Your guide to booking Louisville to Sydney flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Saturday. On this route, Wednesday flights average $1,191, about $364 less than Saturday fares (23% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Louisville to Sydney trip for August. Fares historically average $1,191 round-trip in that month - typically $613 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sydney Kingsford Smith Airport.

    • Travelodge Hotel Sydney Airport
    • Rydges Sydney Airport Hotel
    • ibis budget Sydney Airport

More options for your flight from Louisville to Sydney

Complete your trip to Sydney with a hotel stay or car rental

Car rentals in Sydney
Hotels in Sydney
Vacations in Sydney