How long is the flight from Australia to Missouri?

On average, it takes 20h 34m 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 21h 10m.

Which airlines fly to Missouri?

United Airlines, Qantas Airways and Air Canada 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 62% of people opting to fly with this airline when travelling to Missouri. Keep in mind that there are 3 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

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

Delta, United Airlines, and American Airlines are the most popular carriers operating 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 November 2025, there are 3 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.

$895 Cheap Flights from Australia to Missouri in 2025/26

1 adult

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Find the cheapest flights from Australia to Missouri

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One-way

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Recent return flight deals from Australia to Missouri

Enter your travel dates to find the best prices.

10:25 - 15:29SYD-STL

45h 04m2 stops

16:05 - 08:35STL-SYD

48h 30m2 stops

$1,340Air Canada

Find Deal

Thu, 12 Mar - Mon, 16 Mar

10:45 - 16:19BNE-MCI

21h 34m2 stops

17:21 - 08:45MCI-BNE

47h 24m2 stops

$1,340Air Canada

Find Deal

Thu, 19 Feb - Mon, 23 Feb

14:05 - 16:43SYD-MCI

19h 38m1 stop

14:57 - 06:55MCI-SYD

22h 58m1 stop

$1,485Qantas Airways

Find Deal

Mon, 1 Dec - Sun, 14 Dec

11:20 - 11:05SYD-SGF

40h 45m2 stops

18:46 - 09:00SGF-SYD

46h 14m2 stops

$1,485American Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

14:05 - 16:02SYD-SGF

18h 57m1 stop

18:46 - 09:00SGF-SYD

46h 14m2 stops

$1,495American Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

14:05 - 16:43SYD-MCI

19h 38m1 stop

10:45 - 06:55MCI-SYD

27h 10m1 stop

$1,506Multiple Airlines

Find Deal

Mon, 1 Dec - Mon, 15 Dec

11:50 - 14:05SYD-SGF

19h 15m1 stop

15:19 - 07:00SGF-SYD

47h 41m2 stops

$1,511United Airlines

Find Deal

Thu, 5 Mar - Mon, 9 Mar

11:20 - 09:29SYD-MCI

39h 09m2 stops

13:40 - 09:05MCI-SYD

26h 25m2 stops

$1,511United Airlines

Find Deal

Mon, 1 Dec - Sun, 14 Dec

16:05 - 16:27MEL-STL

41h 22m1 stop

15:30 - 19:45STL-MEL

35h 15m2 stops

$1,653Qantas Airways

Find Deal

Mon, 17 Nov - Tue, 30 Dec

16:05 - 19:13MEL-MCI

20h 08m1 stop

10:43 - 05:00MCI-MEL

25h 17m1 stop

$1,744Multiple Airlines

Find Deal

Fri, 5 Dec - Mon, 22 Dec

Air Canada flights from Australia to Missouri

Our best Air Canada deals on Australia to Missouri flight tickets

Air Canada

12 Mar

SYD10:25Sydney Kingsford Smith

45h 04m

2 stops

STL15:29Lambert-St Louis

16 Mar

STL16:05Lambert-St Louis

48h 30m

2 stops

SYD08:35Sydney Kingsford Smith

$1,340

Find similar

Air Canada

12 Mar

SYD10:25Sydney Kingsford Smith

45h 04m

2 stops

STL15:29Lambert-St Louis

16 Mar

STL16:05Lambert-St Louis

48h 30m

2 stops

SYD08:35Sydney Kingsford Smith

$1,341

Find similar

Air Canada

19 Feb

BNE10:45Brisbane

21h 34m

2 stops

MCI16:19Kansas City

23 Feb

MCI17:21Kansas City

23h 24m

2 stops

BNE08:45Brisbane

$1,344

Find similar

Cathay Pacific flights from Australia to Missouri

Our best Cathay Pacific deals on Australia to Missouri flight tickets

Cathay Pacific

7 Mar

BNE00:30Brisbane

36h 54m

2 stops

STL21:24Lambert-St Louis

10 Mar

STL11:18Lambert-St Louis

32h 12m

2 stops

BNE10:30Brisbane

$2,125

Find similar

Cathay Pacific

7 Mar

BNE00:30Brisbane

36h 54m

2 stops

STL21:24Lambert-St Louis

10 Mar

STL11:18Lambert-St Louis

32h 12m

2 stops

BNE10:30Brisbane

$2,225

Find similar

Cathay Pacific

7 Mar

BNE00:30Brisbane

36h 54m

2 stops

STL21:24Lambert-St Louis

10 Mar

STL11:18Lambert-St Louis

32h 12m

2 stops

BNE10:30Brisbane

$2,232

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 12/3

10:25-15:29

2 stops45h 04m

Lambert-St Louis

Mon 16/3

16:05-08:35

2 stops48h 30m

$1,340

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Thu 19/2

10:45-16:19

2 stops21h 34m

Kansas City

Mon 23/2

17:21-08:45

2 stops47h 24m

$1,340

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Mon 1/12

14:05-16:43

1 stop19h 38m

Kansas City

Sun 14/12

14:57-06:55

1 stop22h 58m

$1,485

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

Thu 5/3

11:20-11:05

2 stops40h 45m

Springfield-Branson

Mon 9/3

18:46-09:00

2 stops46h 14m

$1,485

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

Thu 5/3

14:05-16:02

1 stop18h 57m

Springfield-Branson

Mon 9/3

18:46-09:00

2 stops46h 14m

$1,495

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Mon 1/12

14:05-16:43

1 stop19h 38m

Kansas City

Mon 15/12

10:45-06:55

1 stop27h 10m

$1,506

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

Thu 5/3

11:50-14:05

1 stop19h 15m

Springfield-Branson

Mon 9/3

15:19-07:00

2 stops47h 41m

$1,511

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Mon 1/12

11:20-09:29

2 stops39h 09m

Kansas City

Sun 14/12

13:40-09:05

2 stops26h 25m

$1,511

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 17/11

16:05-16:27

1 stop41h 22m

Lambert-St Louis

Tue 30/12

15:30-19:45

2 stops35h 15m

$1,653

MelbourneKansas City

MEL - MCI

MELMCI

Melbourne

Fri 5/12

16:05-19:13

1 stop20h 08m

Kansas City

Mon 22/12

10:43-05:00

1 stop25h 17m

$1,744

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, December 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 $1,318. The month of October is another great option to travel to Missouri, with average flight prices from Australia averaging around $1,546.

What is the cheapest day to depart on your flight to Missouri?

The cheapest day to depart on your flight to Missouri is on a Wednesday when prices can be found for as low as $1,769. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Missouri on Sunday is $2,849.

What is the cheapest time of day to depart on your flight to Missouri?

The cheapest time of day to fly to Missouri is in the afternoon when flights can be purchased for as low as $2,128. Try not to purchase tickets in the morning because they tend to be around $2,143. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Australia to Missouri flight deals and tips

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

Direct flights	None

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

Search flight deals

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 November 2025, there are 3 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 $1,130	Free cancellation	Rating 7.4 8,996 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,158	Free cancellation	Rating 7.1 10,394 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,512	Free cancellation	Rating 7.5 926 reviews	Search Qantas Airways 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.