How long is the flight from Missouri to Australia?

The flight from Missouri to Australia depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Kansas City (a popular airport in Missouri) to Sydney (the most popular airport in Australia), then the flight time is 19h 56m on average. If you fly from St. Louis (another popular airport in Missouri) to Sydney, then the average flight time is 23h 49m.

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

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

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

Prices for flights from Missouri to Australia were last updated today.

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

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 Missouri to Australia.

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

The travel and health documents required for your trip to Australia 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 Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$822 Cheap Flights from Missouri to Australia in 2026

1 adult

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Find the cheapest flights from Missouri to Australia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:35 - 06:45

STL

MEL

33h 10m

1 stop

09:45 - 23:59

MEL

STL

29h 14m

1 stop

$1,445Qantas Airways

Mon, 8 Jun - Fri, 31 Jul

07:00 - 05:00

STL

MEL

31h 00m

1 stop

13:35 - 21:49

MEL

STL

23h 14m

1 stop

$1,516American Airlines

Sat, 4 Jul - Sat, 11 Jul

19:23 - 08:15

STL

MEL

21h 52m

1 stop

10:55 - 18:39

MEL

STL

22h 44m

1 stop

$1,532United Airlines

Thu, 6 Aug - Sun, 16 Aug

19:59 - 08:15

MCI

MEL

21h 16m

1 stop

10:55 - 23:30

MEL

MCI

27h 35m

2 stops

$1,535United Airlines

Fri, 7 Aug - Mon, 17 Aug

06:00 - 07:20

MCI

SYD

34h 20m

2 stops

09:20 - 12:37

SYD

MCI

42h 17m

2 stops

$1,588Air Canada

Sun, 9 Aug - Mon, 24 Aug

06:00 - 07:20

MCI

SYD

34h 20m

2 stops

09:20 - 12:37

SYD

MCI

42h 17m

2 stops

$1,601Air Canada

Sun, 9 Aug - Mon, 24 Aug

19:59 - 06:55

MCI

SYD

19h 56m

1 stop

09:30 - 15:39

SYD

MCI

21h 09m

1 stop

$1,626Air New Zealand

Sun, 9 Aug - Mon, 24 Aug

13:50 - 07:20

MCI

SYD

26h 30m

2 stops

09:20 - 16:22

SYD

MCI

22h 02m

2 stops

$1,633Multiple Airlines

Wed, 3 Jun - Tue, 9 Jun

17:24 - 07:00

MCI

SYD

22h 36m

2 stops

09:30 - 17:36

SYD

MCI

23h 06m

2 stops

$1,634Air New Zealand

Wed, 1 Jul - Wed, 8 Jul

08:55 - 07:20

STL

SYD

31h 25m

1 stop

09:20 - 20:22

SYD

STL

26h 02m

1 stop

$1,710Multiple Airlines

Wed, 22 Jul - Mon, 27 Jul

Air New Zealand flights from Missouri to Australia

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

Air New Zealand

7 Aug

STL19:23Lambert-St Louis

21h 52m

1 stop

MEL08:15Melbourne

13 Aug

MEL10:00Melbourne

47h 39m

2 stops

STL18:39Lambert-St Louis

$1,563

Air New Zealand

9 Aug

MCI19:59Kansas City

19h 56m

1 stop

SYD06:55Sydney Kingsford Smith

24 Aug

SYD09:30Sydney Kingsford Smith

21h 09m

1 stop

MCI15:39Kansas City

$1,626

Air New Zealand

2 June

MCI16:26Kansas City

23h 34m

1 stop

SYD07:00Sydney Kingsford Smith

16 June

SYD10:20Sydney Kingsford Smith

26h 55m

1 stop

MCI22:15Kansas City

$1,627

United Airlines flights from Missouri to Australia

Our best United Airlines deals on Missouri to Australia flight tickets

United Airlines

6 Aug

STL19:23Lambert-St Louis

21h 52m

1 stop

MEL08:15Melbourne

16 Aug

MEL10:55Melbourne

22h 44m

1 stop

STL18:39Lambert-St Louis

$1,532

United Airlines

7 Aug

MCI19:59Kansas City

21h 16m

1 stop

MEL08:15Melbourne

17 Aug

MEL10:55Melbourne

27h 35m

2 stops

MCI23:30Kansas City

$1,535

United Airlines

6 Aug

STL16:48Lambert-St Louis

24h 27m

2 stops

MEL08:15Melbourne

20 Aug

MEL10:55Melbourne

24h 43m

2 stops

STL20:38Lambert-St Louis

$1,539

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 8/6

06:35-06:45

1 stop33h 10m

Melbourne

Fri 31/7

09:45-23:59

1 stop29h 14m

$1,445

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 4/7

07:00-05:00

1 stop31h 00m

Melbourne

Sat 11/7

13:35-21:49

1 stop23h 14m

$1,516

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 6/8

19:23-08:15

1 stop21h 52m

Melbourne

Sun 16/8

10:55-18:39

1 stop22h 44m

$1,532

Kansas CityMelbourne

MCI - MEL

MCIMEL

Kansas City

Fri 7/8

19:59-08:15

1 stop21h 16m

Melbourne

Mon 17/8

10:55-23:30

2 stops27h 35m

$1,535

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Sun 9/8

06:00-07:20

2 stops34h 20m

Sydney Kingsford Smith

Mon 24/8

09:20-12:37

2 stops42h 17m

$1,588

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Sun 9/8

06:00-07:20

2 stops34h 20m

Sydney Kingsford Smith

Mon 24/8

09:20-12:37

2 stops42h 17m

$1,601

Fastest return journey

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Sun 9/8

19:59-06:55

1 stop19h 56m

Sydney Kingsford Smith

Mon 24/8

09:30-15:39

1 stop21h 09m

$1,626

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 3/6

13:50-07:20

2 stops26h 30m

Sydney Kingsford Smith

Tue 9/6

09:20-16:22

2 stops22h 02m

$1,633

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 1/7

17:24-07:00

2 stops22h 36m

Sydney Kingsford Smith

Wed 8/7

09:30-17:36

2 stops23h 06m

$1,634

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Wed 22/7

08:55-07:20

1 stop31h 25m

Sydney Kingsford Smith

Mon 27/7

09:20-20:22

1 stop26h 02m

$1,710

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 Australia

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 Australia?

In general, May is the cheapest month to fly from Missouri to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $435. If you don’t want to visit Australia in May, then you should wait until December to fly from Missouri, when ticket prices are also cheap, with an average price of $714.

Can stopping save me money on Missouri to Australia flights?

You could potentially save up to 2% on your flight if you consider stops on a Missouri to Australia flight.

Cheap Missouri to Australia flight deals and tips

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

Fastest flight time	19h 56m
Direct flights	None

The fastest flight from Missouri to Australia takes 19h 56m

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

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Frequently asked questions about flying from Missouri to Australia

When did momondo last update prices for flights from Missouri to Australia?
Prices for flights from Missouri to Australia were last updated today.
How old do you have to be to fly from Missouri to Australia?
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 Missouri to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents required for your trip to Australia 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 Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find Missouri to Australia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Australia that suits you.

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

All flight searches from Missouri to Australia on momondo can be filtered to show those which offer flexible booking policies.

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

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 Australia.

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

If you are not ready to book a flight from Missouri to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.