How long does it take to fly to Sydney?

If you’re flying from a popular airport in Missouri, such as Kansas City or St. Louis, and flying into Sydney, then you can expect flight times to average 21h 35m and 23h 39m, respectively.

What is the cheapest airline that flies from Missouri to Sydney Kingsford Smith?

United Airlines and Delta are the most popular carriers operating from Missouri to Sydney Kingsford Smith

When did momondo last update prices for flights from Missouri to Sydney Kingsford Smith Airport?

Prices for flights from Missouri to Sydney Kingsford Smith Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Missouri to Sydney Kingsford Smith Airport?

The number of operators available for flights from Missouri to Sydney Kingsford Smith Airport is 1 as of August 2026.

How old do you have to be to fly from Missouri to Sydney Kingsford Smith Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$976 Cheap Flights from Missouri to Sydney in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:17 - 11:45MCI Kansas City-SYD Sydney Kingsford Smith

25h 28m2 stops Dallas/Fort Worth Brisbane

14:05 - 16:34SYD Sydney Kingsford Smith-MCI Kansas City

19h 29m1 stop Dallas/Fort Worth

$1,761Qantas Airways

Sun, 1 Nov - Sat, 7 Nov

08:30 - 10:35MCI Kansas City-SYD Sydney Kingsford Smith

33h 05m2 stops Houston George Bush Intcntl Auckland Intl

19:25 - 22:15SYD Sydney Kingsford Smith-MCI Kansas City

43h 50m2 stops Auckland Intl San Francisco

$1,768Air New Zealand

Sun, 1 Nov - Sat, 7 Nov

06:10 - 08:35MCI Kansas City-SYD Sydney Kingsford Smith

33h 25m2 stops Houston George Bush Intcntl Auckland Intl

19:25 - 11:50SYD Sydney Kingsford Smith-MCI Kansas City

57h 25m2 stops Auckland Intl Houston George Bush Intcntl

$1,781Air New Zealand

Mon, 1 Feb - Mon, 15 Feb

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

$1,786Qantas Airways

Mon, 26 Oct - Mon, 9 Nov

18:00 - 08:35MCI Kansas City-SYD Sydney Kingsford Smith

45h 35m2 stops San Francisco Auckland Intl

19:25 - 14:26SYD Sydney Kingsford Smith-MCI Kansas City

60h 01m2 stops Auckland Intl Houston George Bush Intcntl

$1,795Air New Zealand

Mon, 1 Feb - Mon, 15 Feb

14:49 - 06:55MCI Kansas City-SYD Sydney Kingsford Smith

23h 06m1 stop Dallas/Fort Worth

14:05 - 16:30SYD Sydney Kingsford Smith-MCI Kansas City

19h 25m1 stop Dallas/Fort Worth

$1,810Qantas Airways

Sun, 7 Feb - Sun, 21 Feb

06:28 - 10:35MCI Kansas City-SYD Sydney Kingsford Smith

36h 07m2 stops Houston George Bush Intcntl Auckland Intl

14:05 - 14:45SYD Sydney Kingsford Smith-MCI Kansas City

41h 40m2 stops Auckland Intl Los Angeles

$1,813Air New Zealand

Mon, 26 Oct - Mon, 9 Nov

16:30 - 08:35MCI Kansas City-SYD Sydney Kingsford Smith

23h 05m2 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

$1,813Air New Zealand

Mon, 1 Feb - Mon, 15 Feb

08:30 - 07:00MCI Kansas City-SYD Sydney Kingsford Smith

29h 30m1 stop Houston George Bush Intcntl

11:50 - 23:37SYD Sydney Kingsford Smith-MCI Kansas City

28h 47m2 stops San Francisco Denver Intl

$1,843United Airlines

Mon, 1 Feb - Mon, 15 Feb

11:22 - 06:55MCI Kansas City-SYD Sydney Kingsford Smith

28h 33m2 stops Chicago O'Hare Intl San Francisco

11:20 - 23:44SYD Sydney Kingsford Smith-MCI Kansas City

28h 24m2 stops San Francisco Denver Intl

$1,843United Airlines

Tue, 29 Sep - Tue, 6 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:29 - 06:55MCI Kansas City-SYD Sydney Kingsford Smith

24h 26m1 stop San Francisco

09:30 - 15:39SYD Sydney Kingsford Smith-MCI Kansas City

21h 09m1 stop Los Angeles

$1,744United Airlines

Sun, 23 Aug - Sun, 30 Aug

15:07 - 07:00MCI Kansas City-SYD Sydney Kingsford Smith

24h 53m2 stops Houston George Bush Intcntl Los Angeles

09:30 - 15:39SYD Sydney Kingsford Smith-MCI Kansas City

21h 09m1 stop Los Angeles

$1,744United Airlines

Sun, 23 Aug - Sun, 30 Aug

09:14 - 06:55MCI Kansas City-SYD Sydney Kingsford Smith

30h 41m2 stops Denver Intl San Francisco

09:30 - 18:30SYD Sydney Kingsford Smith-MCI Kansas City

24h 00m2 stops Los Angeles Denver Intl

$1,751United Airlines

Sun, 23 Aug - Sun, 30 Aug

08:30 - 07:00MCI Kansas City-SYD Sydney Kingsford Smith

55h 30m2 stops Houston George Bush Intcntl Los Angeles

10:20 - 14:33SYD Sydney Kingsford Smith-MCI Kansas City

19h 13m1 stop San Francisco

$1,844United Airlines

Sat, 22 Aug - Sat, 5 Sep

15:07 - 07:00MCI Kansas City-SYD Sydney Kingsford Smith

48h 53m2 stops Houston George Bush Intcntl Los Angeles

10:20 - 23:30SYD Sydney Kingsford Smith-MCI Kansas City

28h 10m2 stops San Francisco Denver Intl

$1,844United Airlines

Sat, 22 Aug - Sat, 5 Sep

15:29 - 06:55MCI Kansas City-SYD Sydney Kingsford Smith

24h 26m1 stop San Francisco

09:30 - 15:39SYD Sydney Kingsford Smith-MCI Kansas City

21h 09m1 stop Los Angeles

$1,885United Airlines

Sat, 22 Aug - Sat, 5 Sep

15:29 - 06:55MCI Kansas City-SYD Sydney Kingsford Smith

24h 26m1 stop San Francisco

10:20 - 23:30SYD Sydney Kingsford Smith-MCI Kansas City

28h 10m2 stops San Francisco Denver Intl

$1,885United Airlines

Sat, 22 Aug - Sat, 5 Sep

15:13 - 07:00STL Lambert-St Louis-SYD Sydney Kingsford Smith

24h 47m2 stops Houston George Bush Intcntl Los Angeles

10:20 - 17:59SYD Sydney Kingsford Smith-STL Lambert-St Louis

22h 39m1 stop San Francisco

$1,886United Airlines

Thu, 20 Aug - Thu, 27 Aug

09:15 - 06:50STL Lambert-St Louis-SYD Sydney Kingsford Smith

30h 35m2 stops Atlanta Hartsfield-Jackson Los Angeles

09:15 - 18:55SYD Sydney Kingsford Smith-STL Lambert-St Louis

24h 40m2 stops Los Angeles Salt Lake City

$1,893Delta

Thu, 20 Aug - Thu, 27 Aug

15:22 - 07:05MCI Kansas City-SYD Sydney Kingsford Smith

24h 43m2 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

$2,315Qantas Airways

Fri, 21 Aug - Sun, 23 Aug

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American Airlines flights from Missouri to Sydney

Our best American Airlines deals on Missouri to Sydney flight tickets

American Airlines

15 Sept

STL17:00Lambert-St Louis

22h 55m

1 stop

SYD06:55Sydney Kingsford Smith

22 Sept

SYD09:10Sydney Kingsford Smith

22h 38m

2 stops

STL16:48Lambert-St Louis

$1,900

American Airlines

23 Sept

STL06:30Lambert-St Louis

33h 35m

1 stop

SYD07:05Sydney Kingsford Smith

7 Oct

SYD13:00Sydney Kingsford Smith

22h 48m

1 stop

STL19:48Lambert-St Louis

$1,909

American Airlines

23 Sept

STL06:30Lambert-St Louis

34h 00m

1 stop

SYD07:30Sydney Kingsford Smith

7 Oct

SYD13:00Sydney Kingsford Smith

21h 20m

1 stop

STL18:20Lambert-St Louis

$1,910

Qantas Airways flights from Missouri to Sydney

Our best Qantas Airways deals on Missouri to Sydney flight tickets

Qantas Airways

26 Oct

MCI17:20Kansas City

21h 35m

1 stop

SYD06:55Sydney Kingsford Smith

9 Nov

SYD14:05Sydney Kingsford Smith

19h 22m

1 stop

MCI16:27Kansas City

$1,786

Qantas Airways

7 Feb

MCI14:49Kansas City

23h 06m

1 stop

SYD06:55Sydney Kingsford Smith

21 Feb

SYD14:05Sydney Kingsford Smith

19h 25m

1 stop

MCI16:30Kansas City

$1,810

Qantas Airways

26 Oct

MCI17:20Kansas City

21h 35m

1 stop

SYD06:55Sydney Kingsford Smith

9 Nov

SYD19:15Sydney Kingsford Smith

38h 12m

2 stops

MCI16:27Kansas City

$1,819

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Sun 1/11

17:17-11:45

2 stops25h 28m

Sydney Kingsford Smith

Sat 7/11

14:05-16:34

1 stop19h 29m

$1,761

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Sun 1/11

08:30-10:35

2 stops33h 05m

Sydney Kingsford Smith

Sat 7/11

19:25-22:15

2 stops43h 50m

$1,768

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Mon 1/2

06:10-08:35

2 stops33h 25m

Sydney Kingsford Smith

Mon 15/2

19:25-11:50

2 stops57h 25m

$1,781

Fastest return journey

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Mon 26/10

17:20-06:55

1 stop21h 35m

Sydney Kingsford Smith

Mon 9/11

14:05-16:27

1 stop19h 22m

$1,786

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Mon 1/2

18:00-08:35

2 stops45h 35m

Sydney Kingsford Smith

Mon 15/2

19:25-14:26

2 stops60h 01m

$1,795

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Sun 7/2

14:49-06:55

1 stop23h 06m

Sydney Kingsford Smith

Sun 21/2

14:05-16:30

1 stop19h 25m

$1,810

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Mon 26/10

06:28-10:35

2 stops36h 07m

Sydney Kingsford Smith

Mon 9/11

14:05-14:45

2 stops41h 40m

$1,813

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Mon 1/2

16:30-08:35

2 stops23h 05m

Sydney Kingsford Smith

Mon 15/2

11:50-22:07

2 stops27h 17m

$1,813

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Mon 1/2

08:30-07:00

1 stop29h 30m

Sydney Kingsford Smith

Mon 15/2

11:50-23:37

2 stops28h 47m

$1,843

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Tue 29/9

11:22-06:55

2 stops28h 33m

Sydney Kingsford Smith

Tue 6/10

11:20-23:44

2 stops28h 24m

$1,843

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Sydney?

The month of July is, on average, the cheapest month to fly to Sydney from Missouri, with most prices found around $1,751. If you aren’t able to travel to Sydney during the month of July, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,839.

Can stopping save me money on Missouri to Sydney flights?

You could potentially save up to 17% on your flight if you consider stops on a Missouri to Sydney flight.

Cheap Missouri to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Sydney

Best price found	$976
Fastest flight time	21h 35m
Direct flights	None

The best one-way flight to Sydney from Missouri in the past 72 hours is $976. The best return flight deal from Missouri to Sydney found on momondo in the last 72 hours is $1,761.

The fastest flight from Missouri to Sydney takes 21h 35m

There are no direct flights from Missouri to Sydney. There are no popular flight routes from Missouri to Sydney.

Search flight deals

Frequently asked questions about flying from Missouri to Sydney

When did momondo last update prices for flights from Missouri to Sydney Kingsford Smith Airport?
Prices for flights from Missouri to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Missouri to Sydney Kingsford Smith Airport?
The number of operators available for flights from Missouri to Sydney Kingsford Smith Airport is 1 as of August 2026.
How old do you have to be to fly from Missouri to Sydney Kingsford Smith Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Missouri to Sydney

Compare and see reviews for airlines that fly from Missouri to Sydney with momondo

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,063	Free cancellation	Rating 7.4 10,104 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Katoomba

Penrith

Lithgow

Coogee

Manly

Leura

Randwick

Cronulla

Bondi Beach

Charlestown

Swansea

Newport

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Missouri to Sydney . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Missouri to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Missouri which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Missouri to Sydney?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Missouri to Sydney.

I’m not ready to book a flight from Missouri to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Missouri and alert you when they change.