How does KAYAK find such low prices on flights from Kentucky 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 Kentucky to Sydney.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Kentucky 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 Kentucky to Sydney?

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

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kentucky 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 Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$645 CHEAP FLIGHTS from Kentucky to Sydney

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Cheap Flights from Kentucky to Sydney

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

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Recent round-trip flight deals from Kentucky to Sydney

Sun, Oct 25 - Mon, Nov 9

3:45 pm - 7:00 amSDF Louisville Intl-SYD Sydney Kingsford Smith

24h 15m1 stop Houston George Bush Intcntl

11:20 am - 8:33 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

25h 13m2 stops Los Angeles Houston George Bush Intcntl

$1,231United Airlines

Sun, Oct 25 - Mon, Nov 9

3:24 pm - 8:40 amSDF Louisville Intl-SYD Sydney Kingsford Smith

26h 16m2 stops Denver Intl Los Angeles

11:20 am - 8:52 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

25h 32m2 stops Los Angeles Chicago O'Hare Intl

$1,231United Airlines

Sun, Oct 25 - Mon, Nov 9

9:10 am - 7:00 amSDF Louisville Intl-SYD Sydney Kingsford Smith

30h 50m1 stop Houston George Bush Intcntl

9:15 am - 1:23 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

20h 08m1 stop Houston George Bush Intcntl

$1,231United Airlines

Sun, Nov 8 - Sun, Nov 15

3:26 pm - 8:30 amSDF Louisville Intl-SYD Sydney Kingsford Smith

25h 04m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 am - 9:13 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

26h 33m2 stops Los Angeles Detroit Metropolitan Wayne County

$1,294Delta

Sun, Oct 25 - Sun, Nov 1

6:18 pm - 6:55 amLEX Lexington Blue Grass-SYD Sydney Kingsford Smith

21h 37m1 stop Dallas/Fort Worth

11:15 am - 5:35 pmSYD Sydney Kingsford Smith-LEX Lexington Blue Grass

21h 20m1 stop Los Angeles

$1,304Multiple Airlines

Sun, Jan 31 - Fri, Feb 12

9:32 am - 8:35 amSDF Louisville Intl-SYD Sydney Kingsford Smith

31h 03m2 stops Houston George Bush Intcntl Auckland Intl

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

6:28 pm - 2:50 pmSDF Louisville Intl-SYD Sydney Kingsford Smith

28h 22m2 stops Dallas/Fort Worth Auckland Intl

2:05 pm - 6:28 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

20h 23m1 stop Dallas/Fort Worth

$1,372Qantas Airways

Sat, Feb 13 - Sat, Feb 27

7:55 pm - 6:25 amLEX Lexington Blue Grass-SYD Sydney Kingsford Smith

42h 30m2 stops Dallas/Fort Worth Los Angeles

4:45 pm - 3:23 pmSYD Sydney Kingsford Smith-LEX Lexington Blue Grass

38h 38m2 stops Brisbane Dallas/Fort Worth

$1,429Qantas Airways

Mon, Oct 12 - Sat, Oct 17

1:59 pm - 7:50 amSDF Louisville Intl-SYD Sydney Kingsford Smith

26h 51m2 stops Atlanta Hartsfield-Jackson Los Angeles

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

1:59 pm - 7:50 amSDF Louisville Intl-SYD Sydney Kingsford Smith

26h 51m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:15 am - 9:13 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

25h 58m2 stops Los Angeles Detroit Metropolitan Wayne County

$1,562Delta