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 20h 38m and 21h 15m, respectively.

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

Qantas Airways, 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 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.

$1,003 Cheap Flights from Missouri to Sydney in 2026/27

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.

16:20 - 08:00MCI Kansas City-SYD Sydney Kingsford Smith

23h 40m1 stop Los Angeles

09:15 - 14:12SYD Sydney Kingsford Smith-MCI Kansas City

21h 57m1 stop Houston George Bush Intcntl

$1,634United Airlines

Mon, 19 Oct - Wed, 4 Nov

16:00 - 09:05MCI Kansas City-SYD Sydney Kingsford Smith

24h 05m1 stop Los Angeles

09:15 - 16:55SYD Sydney Kingsford Smith-MCI Kansas City

24h 40m1 stop Houston George Bush Intcntl

$1,635United Airlines

Tue, 3 Nov - Tue, 17 Nov

17:20 - 09:05MCI Kansas City-SYD Sydney Kingsford Smith

22h 45m2 stops Denver Intl Los Angeles

09:15 - 16:11SYD Sydney Kingsford Smith-MCI Kansas City

23h 56m2 stops Houston George Bush Intcntl Denver Intl

$1,641United Airlines

Tue, 3 Nov - Tue, 17 Nov

18:03 - 09:20MCI Kansas City-SYD Sydney Kingsford Smith

22h 17m1 stop San Francisco

11:50 - 22:15SYD Sydney Kingsford Smith-MCI Kansas City

27h 25m1 stop San Francisco

$1,707United Airlines

Sun, 15 Nov - Sun, 22 Nov

18:03 - 09:20MCI Kansas City-SYD Sydney Kingsford Smith

22h 17m1 stop San Francisco

09:15 - 16:34SYD Sydney Kingsford Smith-MCI Kansas City

24h 19m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,713United Airlines

Sun, 15 Nov - Sun, 22 Nov

17:55 - 07:00STL Lambert-St Louis-SYD Sydney Kingsford Smith

21h 05m1 stop Houston George Bush Intcntl

11:50 - 18:05SYD Sydney Kingsford Smith-STL Lambert-St Louis

23h 15m1 stop San Francisco

$1,750Lufthansa

Sun, 25 Oct - Mon, 9 Nov

15:15 - 09:20STL Lambert-St Louis-SYD Sydney Kingsford Smith

26h 05m2 stops Chicago O'Hare Intl San Francisco

11:50 - 18:09SYD Sydney Kingsford Smith-STL Lambert-St Louis

23h 19m2 stops San Francisco Chicago O'Hare Intl

$1,765United Airlines

Sun, 25 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

$1,773American Airlines

Thu, 29 Oct - Thu, 5 Nov

11:22 - 07:55MCI Kansas City-SYD Sydney Kingsford Smith

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

09:10 - 14:12SYD Sydney Kingsford Smith-MCI Kansas City

21h 02m1 stop Houston George Bush Intcntl

$1,777United Airlines

Thu, 22 Oct - Sat, 31 Oct

13:08 - 07:00STL Lambert-St Louis-SYD Sydney Kingsford Smith

25h 52m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

09:15 - 14:13SYD Sydney Kingsford Smith-STL Lambert-St Louis

21h 58m1 stop Houston George Bush Intcntl

$1,777United Airlines

Sun, 25 Oct - Tue, 10 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:42 - 18:50STL Lambert-St Louis-SYD Sydney Kingsford Smith

34h 08m2 stops Seattle/Tacoma Intl Honolulu

21:45 - 23:59SYD Sydney Kingsford Smith-STL Lambert-St Louis

42h 14m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$3,010Multiple Airlines

Wed, 7 Oct - Fri, 9 Oct

17:35 - 07:55MCI Kansas City-SYD Sydney Kingsford Smith

22h 20m1 stop San Francisco

19:20 - 22:35SYD Sydney Kingsford Smith-MCI Kansas City

43h 15m2 stops Auckland Intl Houston George Bush Intcntl

$3,046Air New Zealand

Mon, 5 Oct - Wed, 7 Oct

13:29 - 07:55STL Lambert-St Louis-SYD Sydney Kingsford Smith

26h 26m2 stops Chicago O'Hare Intl San Francisco

09:55 - 22:30SYD Sydney Kingsford Smith-STL Lambert-St Louis

28h 35m2 stops Auckland Intl Houston George Bush Intcntl

$3,056Air New Zealand

Mon, 5 Oct - Wed, 7 Oct

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

32h 47m1 stop San Francisco

19:20 - 22:30SYD Sydney Kingsford Smith-STL Lambert-St Louis

43h 10m2 stops Auckland Intl Houston George Bush Intcntl

$3,068Air New Zealand

Mon, 5 Oct - Wed, 7 Oct

15:20 - 08:00MCI Kansas City-SYD Sydney Kingsford Smith

24h 40m2 stops Houston George Bush Intcntl Los Angeles

19:20 - 10:06SYD Sydney Kingsford Smith-MCI Kansas City

54h 46m2 stops Auckland Intl Houston George Bush Intcntl

$3,069Air New Zealand

Mon, 5 Oct - Wed, 7 Oct

13:36 - 08:00STL Lambert-St Louis-SYD Sydney Kingsford Smith

26h 24m2 stops Denver Intl Los Angeles

11:55 - 22:30SYD Sydney Kingsford Smith-STL Lambert-St Louis

26h 35m2 stops Auckland Intl Houston George Bush Intcntl

$3,088Air New Zealand

Tue, 6 Oct - Thu, 8 Oct

06:04 - 08:05STL Lambert-St Louis-SYD Sydney Kingsford Smith

34h 01m1 stop Los Angeles

13:00 - 18:20SYD Sydney Kingsford Smith-STL Lambert-St Louis

21h 20m1 stop Dallas/Fort Worth

$3,416Qantas Airways

Mon, 5 Oct - Wed, 7 Oct

06:04 - 08:05STL Lambert-St Louis-SYD Sydney Kingsford Smith

34h 01m1 stop Los Angeles

18:50 - 23:46SYD Sydney Kingsford Smith-STL Lambert-St Louis

20h 56m1 stop Los Angeles

$3,485Qantas Airways

Wed, 7 Oct - Fri, 9 Oct

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

32h 47m1 stop San Francisco

19:20 - 20:16SYD Sydney Kingsford Smith-STL Lambert-St Louis

40h 56m2 stops Auckland Intl Houston George Bush Intcntl

$3,572Air New Zealand

Tue, 6 Oct - Thu, 8 Oct

06:04 - 08:05STL Lambert-St Louis-SYD Sydney Kingsford Smith

34h 01m1 stop Los Angeles

20:40 - 23:46SYD Sydney Kingsford Smith-STL Lambert-St Louis

43h 06m2 stops Melbourne Los Angeles

$3,589Qantas Airways

Wed, 7 Oct - Fri, 9 Oct

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American Airlines flights from Missouri to Sydney

Our best American Airlines deals on Missouri to Sydney flight tickets

American Airlines

29 Oct

MCI17:20Kansas City

21h 35m

1 stop

SYD06:55Sydney Kingsford Smith

5 Nov

SYD14:05Sydney Kingsford Smith

19h 22m

1 stop

MCI16:27Kansas City

$1,773

American Airlines

29 Oct

MCI16:14Kansas City

24h 46m

2 stops

SYD09:00Sydney Kingsford Smith

5 Nov

SYD11:15Sydney Kingsford Smith

24h 16m

2 stops

MCI18:31Kansas City

$1,780

American Airlines

16 Nov

MCI14:50Kansas City

25h 10m

2 stops

SYD09:00Sydney Kingsford Smith

23 Nov

SYD11:15Sydney Kingsford Smith

25h 25m

2 stops

MCI19:40Kansas City

$1,908

United Airlines flights from Missouri to Sydney

Our best United Airlines deals on Missouri to Sydney flight tickets

United Airlines

19 Oct

MCI16:20Kansas City

23h 40m

1 stop

SYD08:00Sydney Kingsford Smith

4 Nov

SYD09:15Sydney Kingsford Smith

21h 57m

1 stop

MCI14:12Kansas City

$1,634

United Airlines

3 Nov

MCI16:00Kansas City

24h 05m

1 stop

SYD09:05Sydney Kingsford Smith

17 Nov

SYD09:15Sydney Kingsford Smith

24h 40m

1 stop

MCI16:55Kansas City

$1,635

United Airlines

3 Nov

MCI17:20Kansas City

22h 45m

2 stops

SYD09:05Sydney Kingsford Smith

17 Nov

SYD09:15Sydney Kingsford Smith

23h 56m

2 stops

MCI16:11Kansas City

$1,641

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Mon 19/10

16:20-08:00

1 stop23h 40m

Sydney Kingsford Smith

Wed 4/11

09:15-14:12

1 stop21h 57m

$1,634

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Tue 3/11

16:00-09:05

1 stop24h 05m

Sydney Kingsford Smith

Tue 17/11

09:15-16:55

1 stop24h 40m

$1,635

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Tue 3/11

17:20-09:05

2 stops22h 45m

Sydney Kingsford Smith

Tue 17/11

09:15-16:11

2 stops23h 56m

$1,641

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Sun 15/11

18:03-09:20

1 stop22h 17m

Sydney Kingsford Smith

Sun 22/11

11:50-22:15

1 stop27h 25m

$1,707

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Sun 15/11

18:03-09:20

1 stop22h 17m

Sydney Kingsford Smith

Sun 22/11

09:15-16:34

2 stops24h 19m

$1,713

St. LouisSydney

STL Lambert-St Louis - SYD Sydney Kingsford Smith

STLSYD

Lambert-St Louis

Sun 25/10

17:55-07:00

1 stop21h 05m

Sydney Kingsford Smith

Mon 9/11

11:50-18:05

1 stop23h 15m

$1,750

St. LouisSydney

STL Lambert-St Louis - SYD Sydney Kingsford Smith

STLSYD

Lambert-St Louis

Sun 25/10

15:15-09:20

2 stops26h 05m

Sydney Kingsford Smith

Mon 9/11

11:50-18:09

2 stops23h 19m

$1,765

Fastest return journey

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Thu 29/10

17:20-06:55

1 stop21h 35m

Sydney Kingsford Smith

Thu 5/11

14:05-16:27

1 stop19h 22m

$1,773

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Thu 22/10

11:22-07:55

2 stops28h 33m

Sydney Kingsford Smith

Sat 31/10

09:10-14:12

1 stop21h 02m

$1,777

St. LouisSydney

STL Lambert-St Louis - SYD Sydney Kingsford Smith

STLSYD

Lambert-St Louis

Sun 25/10

13:08-07:00

2 stops25h 52m

Sydney Kingsford Smith

Tue 10/11

09:15-14:13

1 stop21h 58m

$1,777

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 $1,786. If you aren’t able to travel to Sydney during the month of July, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,943.

Can stopping save me money on Missouri to Sydney flights?

You could potentially save up to 2% 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	$1,003
Fastest flight time	20h 38m
Direct flights	None

The best one-way flight to Sydney from Missouri in the past 72 hours is $1,003. The best return flight deal from Missouri to Sydney found on momondo in the last 72 hours is $1,634.

The fastest flight from Missouri to Sydney takes 20h 38m

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 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.

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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.