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

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Missouri 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 Missouri 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 Missouri with another airline.

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

$893 CHEAP FLIGHTS from Missouri to Sydney

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Cheap Flights from Missouri to Sydney

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

Return

One-way

Last minute

Recent return flight deals from Missouri to Sydney

Mon, 28 Sep - Sun, 18 Oct

12:17 - 11:50STL Lambert-St Louis-SYD Sydney Kingsford Smith

32h 33m3 stops Las Vegas Harry Reid Intl Los Angeles Nadi

14:15 - 12:35SYD Sydney Kingsford Smith-STL Lambert-St Louis

38h 20m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,692Multiple Airlines

Mon, 1 Feb - Mon, 15 Feb

16:30 - 12:50MCI Kansas City-SYD Sydney Kingsford Smith

27h 20m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 22:07SYD Sydney Kingsford Smith-MCI Kansas City

27h 17m2 stops Auckland Intl Houston George Bush Intcntl

$1,789Air New Zealand

Mon, 26 Oct - Mon, 9 Nov

17:20 - 06:55MCI Kansas City-SYD Sydney Kingsford Smith

21h 35m1 stop Dallas/Fort Worth

14:05 - 16:27SYD Sydney Kingsford Smith-MCI Kansas City

19h 22m1 stop Dallas/Fort Worth

$1,790Qantas Airways

Mon, 26 Oct - Mon, 9 Nov

17:20 - 06:55MCI Kansas City-SYD Sydney Kingsford Smith

21h 35m1 stop Dallas/Fort Worth

14:05 - 16:27SYD Sydney Kingsford Smith-MCI Kansas City

19h 22m1 stop Dallas/Fort Worth

$1,813Qantas Airways

Mon, 1 Feb - Mon, 15 Feb

10:35 - 07:00MCI Kansas City-SYD Sydney Kingsford Smith

27h 25m1 stop Houston George Bush Intcntl

09:20 - 14:26SYD Sydney Kingsford Smith-MCI Kansas City

22h 06m1 stop Houston George Bush Intcntl

$1,821United Airlines

Mon, 1 Feb - Mon, 15 Feb

18:00 - 09:20MCI Kansas City-SYD Sydney Kingsford Smith

22h 20m1 stop San Francisco

09:20 - 22:07SYD Sydney Kingsford Smith-MCI Kansas City

29h 47m1 stop Houston George Bush Intcntl

$1,821United Airlines

Tue, 8 Dec - Mon, 11 Jan

15:35 - 09:05MCI Kansas City-SYD Sydney Kingsford Smith

24h 30m1 stop Los Angeles

11:50 - 22:14SYD Sydney Kingsford Smith-MCI Kansas City

27h 24m1 stop San Francisco

$1,821United Airlines

Mon, 1 Feb - Mon, 15 Feb

17:05 - 09:05MCI Kansas City-SYD Sydney Kingsford Smith

23h 00m2 stops Denver Intl Los Angeles

09:20 - 14:26SYD Sydney Kingsford Smith-MCI Kansas City

22h 06m1 stop Houston George Bush Intcntl

$1,821United Airlines

Mon, 1 Feb - Mon, 15 Feb

14:49 - 09:00MCI Kansas City-SYD Sydney Kingsford Smith

25h 11m2 stops Dallas/Fort Worth Los Angeles

14:05 - 19:48SYD Sydney Kingsford Smith-MCI Kansas City

22h 43m1 stop Dallas/Fort Worth

$1,822American Airlines

Mon, 26 Oct - Mon, 9 Nov

14:20 - 09:00MCI Kansas City-SYD Sydney Kingsford Smith

26h 40m2 stops Dallas/Fort Worth Los Angeles

11:15 - 18:31SYD Sydney Kingsford Smith-MCI Kansas City

24h 16m2 stops Los Angeles Dallas/Fort Worth

$1,822American Airlines

Recent last minute flight deals from Missouri to Sydney

Tue, 1 Sep - Tue, 8 Sep

06:00 - 11:45STL Lambert-St Louis-SYD Sydney Kingsford Smith

38h 45m2 stops Chicago O'Hare Intl Hong Kong Intl

21:55 - 18:38SYD Sydney Kingsford Smith-STL Lambert-St Louis

35h 43m2 stops Hong Kong Intl Seattle/Tacoma Intl

$2,052Multiple Airlines

Tue, 1 Sep - Thu, 10 Sep

12:45 - 20:10STL Lambert-St Louis-SYD Sydney Kingsford Smith

40h 25m2 stops Dallas/Fort Worth Hong Kong Intl

07:40 - 23:43SYD Sydney Kingsford Smith-STL Lambert-St Louis

31h 03m2 stops Hong Kong Intl Dallas/Fort Worth

$2,120Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

16:40 - 07:20STL Lambert-St Louis-SYD Sydney Kingsford Smith

23h 40m2 stops Denver Intl Vancouver Intl

09:20 - 18:41SYD Sydney Kingsford Smith-STL Lambert-St Louis

48h 21m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$2,226Multiple Airlines

Tue, 1 Sep - Thu, 10 Sep

16:40 - 07:20STL Lambert-St Louis-SYD Sydney Kingsford Smith

23h 40m2 stops Denver Intl Vancouver Intl

09:20 - 18:41SYD Sydney Kingsford Smith-STL Lambert-St Louis

48h 21m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$2,226Multiple Airlines

Fri, 28 Aug - Sun, 30 Aug

15:22 - 07:30MCI Kansas City-SYD Sydney Kingsford Smith

25h 08m2 stops Phoenix Sky Harbor Intl Los Angeles

17:50 - 23:44SYD Sydney Kingsford Smith-MCI Kansas City

20h 54m2 stops Los Angeles Phoenix Sky Harbor Intl

$2,405Multiple Airlines

Fri, 28 Aug - Sun, 30 Aug

15:22 - 07:30MCI Kansas City-SYD Sydney Kingsford Smith

25h 08m2 stops Phoenix Sky Harbor Intl Los Angeles

12:00 - 20:24SYD Sydney Kingsford Smith-MCI Kansas City

23h 24m1 stop Dallas/Fort Worth

$2,405Multiple Airlines

Tue, 1 Sep - Thu, 10 Sep

13:36 - 07:20STL Lambert-St Louis-SYD Sydney Kingsford Smith

26h 44m2 stops Denver Intl Vancouver Intl

09:20 - 20:20SYD Sydney Kingsford Smith-STL Lambert-St Louis

26h 00m1 stop Toronto Pearson Intl

$2,464Air New Zealand

Tue, 1 Sep - Tue, 8 Sep

08:55 - 07:20STL Lambert-St Louis-SYD Sydney Kingsford Smith

31h 25m1 stop Toronto Pearson Intl

09:20 - 20:20SYD Sydney Kingsford Smith-STL Lambert-St Louis

26h 00m1 stop Toronto Pearson Intl

$2,625Multiple Airlines

Tue, 1 Sep - Thu, 10 Sep

08:55 - 07:20STL Lambert-St Louis-SYD Sydney Kingsford Smith

31h 25m1 stop Toronto Pearson Intl

09:20 - 14:00SYD Sydney Kingsford Smith-STL Lambert-St Louis

43h 40m1 stop Toronto Pearson Intl

$2,625Multiple Airlines

Tue, 1 Sep - Thu, 10 Sep

10:53 - 07:20STL Lambert-St Louis-SYD Sydney Kingsford Smith

29h 27m3 stops Chicago O'Hare Intl Toronto Pearson Intl Vancouver Intl

09:20 - 22:59SYD Sydney Kingsford Smith-STL Lambert-St Louis

28h 39m3 stops Vancouver Intl Toronto Pearson Intl Chicago O'Hare Intl

$2,838Air Canada

Useful Info

Low season	April
High season	December
Cheapest flight	$893

Best time to beat the crowds but there is an average 14% increase in price.

Most popular time to fly (14% more expensive on average)

Flight from St. Louis to Sydney

How does KAYAK find such low prices on flights from Missouri 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 Missouri to Sydney.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Sydney?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Missouri 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 Missouri 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 Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri 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 Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Wollongong

Parramatta

Leura

Katoomba

Terrigal

Penrith

Manly

Cronulla

Coogee

Randwick

Lithgow

Bondi Beach

Swansea

Newport

Charlestown

Brooklyn

Everything you need to know for your flight to Sydney

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Information on the airport you'll fly into in Sydney

Sydney (SYD)

$893 Find Cheap Flights from Missouri to Sydney – Compare and Save

Cheap Flights from Missouri to Sydney

Recent return flight deals from Missouri to Sydney

Recent one-way flight deals from Missouri to Sydney

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Everything you need to know for your flight to Sydney

Information on the airport you'll fly into in Sydney

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

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Choose which airport to fly into in SydneySydney

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