How long is the flight from Australia to Missouri?

On average, it takes 21h 53m to fly from Australia to Missouri if you fly out of Sydney (the most popular airport in Australia) and into St. Louis (the most popular airport in Missouri). If you’re flying out of Brisbane and into St. Louis, then the flight time is around 23h 41m.

What is the cheapest airline that flies from Australia to Missouri?

United Airlines, American Airlines, and Delta are the most popular carriers operating from Australia to Missouri

Which airlines fly to Missouri?

United Airlines, Qantas Airways and American Airlines are the top three most popular airlines that fly to Missouri from Australia according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when travelling to Missouri. Keep in mind that there are 4 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Australia to Missouri?

Prices for flights from Australia to Missouri are updated daily.

How many operators does momondo search for flights from Australia to Missouri?

As of July 2026, there are 4 operators available to choose from for flights from Australia to Missouri.

How old do you have to be to fly from Australia to Missouri?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Missouri.

What documentation or ID do you need to fly to Missouri?

The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$686 Cheap Flights from Australia to Missouri in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Missouri

Return

One-way

Last minute

Recent return flight deals from Australia to Missouri

Enter your travel dates to find the best prices.

13:15 - 11:17

SYD

STL

37h 02m

3 stops

12:17 - 11:50

STL

SYD

32h 33m

3 stops

$1,419Multiple Airlines

Wed, 9 Sep - Wed, 16 Sep

10:45 - 15:26

BNE

STL

44h 41m

2 stops

16:39 - 08:45

STL

BNE

24h 06m

2 stops

$1,452Air Canada

Thu, 5 Nov - Mon, 9 Nov

10:45 - 15:26

BNE

STL

44h 41m

2 stops

13:40 - 08:45

STL

BNE

27h 05m

2 stops

$1,456Air Canada

Thu, 5 Nov - Mon, 9 Nov

09:10 - 18:14

SYD

SGF

24h 04m

2 stops

20:04 - 07:05

SGF

SYD

44h 01m

2 stops

$1,488American Airlines

Tue, 25 Aug - Sat, 29 Aug

12:00 - 16:29

SYD

MCI

19h 29m

1 stop

17:14 - 06:55

MCI

SYD

22h 41m

1 stop

$1,492Qantas Airways

Wed, 26 Aug - Wed, 2 Sep

09:10 - 18:14

SYD

SGF

24h 04m

2 stops

20:04 - 07:05

SGF

SYD

44h 01m

2 stops

$1,494American Airlines

Tue, 25 Aug - Sat, 29 Aug

09:20 - 22:30

SYD

MCI

30h 10m

1 stop

17:20 - 07:00

MCI

SYD

44h 40m

2 stops

$1,514United Airlines

Thu, 5 Nov - Mon, 9 Nov

09:20 - 22:30

SYD

MCI

30h 10m

1 stop

18:24 - 07:00

MCI

SYD

43h 36m

1 stop

$1,514United Airlines

Thu, 5 Nov - Mon, 9 Nov

09:10 - 22:59

SYD

STL

28h 49m

1 stop

18:45 - 06:55

STL

SYD

21h 10m

1 stop

$1,556Qantas Airways

Thu, 27 Aug - Thu, 3 Sep

10:55 - 21:47

MEL

MCI

25h 52m

2 stops

13:08 - 08:15

MCI

MEL

28h 07m

2 stops

$1,600Lufthansa

Tue, 8 Sep - Tue, 15 Sep

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Air New Zealand flights from Australia to Missouri

Our best Air New Zealand deals on Australia to Missouri flight tickets

Air New Zealand

15 Oct

SYD09:55Sydney Kingsford Smith

28h 35m

2 stops

STL22:30Lambert-St Louis

8 Nov

STL08:00Lambert-St Louis

31h 35m

2 stops

SYD08:35Sydney Kingsford Smith

$1,679

Air New Zealand

30 July

SYD11:55Sydney Kingsford Smith

25h 36m

2 stops

MCI22:31Kansas City

2 Sept

MCI08:30Kansas City

35h 10m

2 stops

SYD10:40Sydney Kingsford Smith

$9,615

Qantas Airways flights from Australia to Missouri

Our best Qantas Airways deals on Australia to Missouri flight tickets

Qantas Airways

26 Aug

SYD12:00Sydney Kingsford Smith

19h 29m

1 stop

MCI16:29Kansas City

2 Sept

MCI17:14Kansas City

22h 41m

1 stop

SYD06:55Sydney Kingsford Smith

$1,492

Qantas Airways

27 Aug

SYD09:10Sydney Kingsford Smith

28h 49m

1 stop

STL22:59Lambert-St Louis

3 Sept

STL18:45Lambert-St Louis

21h 10m

1 stop

SYD06:55Sydney Kingsford Smith

$1,556

Qantas Airways

27 Aug

SYD09:10Sydney Kingsford Smith

28h 49m

1 stop

STL22:59Lambert-St Louis

10 Sept

STL06:00Lambert-St Louis

34h 05m

1 stop

SYD07:05Sydney Kingsford Smith

$1,561

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 9/9

13:15-11:17

3 stops37h 02m

Lambert-St Louis

Wed 16/9

12:17-11:50

3 stops32h 33m

$1,419

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Thu 5/11

10:45-15:26

2 stops44h 41m

Lambert-St Louis

Mon 9/11

16:39-08:45

2 stops24h 06m

$1,452

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Thu 5/11

10:45-15:26

2 stops44h 41m

Lambert-St Louis

Mon 9/11

13:40-08:45

2 stops27h 05m

$1,456

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

Tue 25/8

09:10-18:14

2 stops24h 04m

Springfield-Branson

Sat 29/8

20:04-07:05

2 stops44h 01m

$1,488

Fastest return journey

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Wed 26/8

12:00-16:29

1 stop19h 29m

Kansas City

Wed 2/9

17:14-06:55

1 stop22h 41m

$1,492

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

Tue 25/8

09:10-18:14

2 stops24h 04m

Springfield-Branson

Sat 29/8

20:04-07:05

2 stops44h 01m

$1,494

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 5/11

09:20-22:30

1 stop30h 10m

Kansas City

Mon 9/11

17:20-07:00

2 stops44h 40m

$1,514

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 5/11

09:20-22:30

1 stop30h 10m

Kansas City

Mon 9/11

18:24-07:00

1 stop43h 36m

$1,514

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 27/8

09:10-22:59

1 stop28h 49m

Lambert-St Louis

Thu 3/9

18:45-06:55

1 stop21h 10m

$1,556

MelbourneKansas City

MEL - MCI

MELMCI

Melbourne

Tue 8/9

10:55-21:47

2 stops25h 52m

Kansas City

Tue 15/9

13:08-08:15

2 stops28h 07m

$1,600

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 Australia to Missouri

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 Missouri?

In general, July is the cheapest month to fly from Australia to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,525. The month of August is another great option to travel to Missouri, with average flight prices from Australia averaging around $1,532.

Can stopping save me money on Australia to Missouri flights?

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

Cheap Australia to Missouri flight deals and tips

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

Fastest flight time	19h 29m
Direct flights	None

The fastest flight from Australia to Missouri takes 19h 29m

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

Search flight deals

Frequently asked questions about flying from Australia to Missouri

When did momondo last update prices for flights from Australia to Missouri?
Prices for flights from Australia to Missouri are updated daily.
How many operators does momondo search for flights from Australia to Missouri?
As of July 2026, there are 4 operators available to choose from for flights from Australia to Missouri.
How old do you have to be to fly from Australia to Missouri?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Missouri.
What documentation or ID do you need to fly to Missouri?
The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Australia to Missouri

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

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $728	Free cancellation	Rating 7.4 10,052 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,053	Free cancellation	Rating 7.1 11,407 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,121	Free cancellation	Rating 7.5 1,073 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,498	Free cancellation	Rating 7.1 11,840 reviews	Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Australia to Missouri for you.

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

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

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

momondo helps you find the best flight between Australia and Missouri by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Australia to Missouri flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.