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

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

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 20h 38m on average. If you fly from St. Louis (another popular airport in Missouri) to Sydney, then the average flight time is 21h 15m.

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.

$827 Cheap Flights from Missouri to Australia in 2026/27

Find the cheapest flights from Missouri to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

15:45 - 17:15STL Lambert-St Louis-MEL Melbourne

32h 30m2 stops Dallas/Fort Worth Auckland Intl

09:45 - 18:09MEL Melbourne-STL Lambert-St Louis

24h 24m1 stop Dallas/Fort Worth

$1,360Qantas Airways

Mon, 1 Feb - Wed, 31 Mar

18:00 - 12:50STL Lambert-St Louis-BNE Brisbane

26h 50m2 stops Dallas/Fort Worth Auckland Intl

09:40 - 13:41BNE Brisbane-STL Lambert-St Louis

20h 01m1 stop Dallas/Fort Worth

$1,381Qantas Airways

Mon, 1 Feb - Sun, 14 Feb

12:01 - 06:55MCI Kansas City-SYD Sydney Kingsford Smith

25h 54m1 stop Dallas/Fort Worth

12:45 - 14:21SYD Sydney Kingsford Smith-MCI Kansas City

42h 36m2 stops Auckland Intl Dallas/Fort Worth

$1,382Qantas Airways

Sun, 14 Feb - Wed, 24 Feb

18:00 - 06:30STL Lambert-St Louis-BNE Brisbane

20h 30m1 stop Dallas/Fort Worth

18:30 - 13:41BNE Brisbane-STL Lambert-St Louis

35h 11m2 stops Auckland Intl Dallas/Fort Worth

$1,392Qantas Airways

Mon, 1 Feb - Sun, 14 Feb

14:48 - 08:20STL Lambert-St Louis-MEL Melbourne

48h 32m2 stops Dallas/Fort Worth Auckland Intl

22:45 - 23:36MEL Melbourne-STL Lambert-St Louis

41h 51m1 stop Los Angeles

$1,398Qantas Airways

Mon, 30 Nov - Mon, 25 Jan

14:48 - 08:20STL Lambert-St Louis-MEL Melbourne

48h 32m2 stops Dallas/Fort Worth Auckland Intl

22:45 - 23:36MEL Melbourne-STL Lambert-St Louis

41h 51m1 stop Los Angeles

$1,399Qantas Airways

Mon, 30 Nov - Mon, 25 Jan

17:07 - 06:55MCI Kansas City-SYD Sydney Kingsford Smith

20h 48m1 stop Dallas/Fort Worth

19:15 - 16:26SYD Sydney Kingsford Smith-MCI Kansas City

38h 11m2 stops Auckland Intl Dallas/Fort Worth

$1,406Qantas Airways

Mon, 1 Feb - Mon, 15 Feb

14:48 - 08:20STL Lambert-St Louis-MEL Melbourne

48h 32m2 stops Dallas/Fort Worth Auckland Intl

22:45 - 23:36MEL Melbourne-STL Lambert-St Louis

41h 51m1 stop Los Angeles

$1,412Qantas Airways

Mon, 30 Nov - Mon, 25 Jan

17:07 - 12:50MCI Kansas City-BNE Brisbane

27h 43m2 stops Dallas/Fort Worth Auckland Intl

09:40 - 14:08BNE Brisbane-MCI Kansas City

20h 28m1 stop Dallas/Fort Worth

$1,473Qantas Airways

Wed, 20 Jan - Wed, 10 Feb

06:00 - 05:50STL Lambert-St Louis-BNE Brisbane

31h 50m1 stop Los Angeles

14:15 - 18:26BNE Brisbane-STL Lambert-St Louis

44h 11m2 stops Auckland Intl Dallas/Fort Worth

$1,478Qantas Airways

Wed, 25 Nov - Wed, 2 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

05:45 - 08:45MCI Kansas City-BNE Brisbane

36h 00m2 stops Denver Intl Vancouver Intl

10:45 - 20:47BNE Brisbane-MCI Kansas City

26h 02m2 stops Vancouver Intl Denver Intl

$1,702Air Canada

Sat, 31 Oct - Wed, 4 Nov

06:15 - 07:00STL Lambert-St Louis-SYD Sydney Kingsford Smith

31h 45m1 stop Houston George Bush Intcntl

11:50 - 22:15SYD Sydney Kingsford Smith-STL Lambert-St Louis

27h 25m1 stop San Francisco

$1,901United Airlines

Mon, 2 Nov - Mon, 9 Nov

16:39 - 09:20STL Lambert-St Louis-SYD Sydney Kingsford Smith

23h 41m2 stops Denver Intl San Francisco

11:20 - 18:05SYD Sydney Kingsford Smith-STL Lambert-St Louis

23h 45m2 stops Los Angeles San Francisco

$1,972United Airlines

Sun, 1 Nov - Sun, 15 Nov

20:15 - 22:55STL Lambert-St Louis-PER Perth

60h 40m2 stops Chicago O'Hare Intl Hong Kong Intl

08:30 - 16:43PER Perth-STL Lambert-St Louis

46h 13m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,151Cathay Pacific

Sun, 1 Nov - Mon, 16 Nov

10:21 - 22:55STL Lambert-St Louis-PER Perth

46h 34m2 stops Dallas/Fort Worth Hong Kong Intl

08:30 - 18:17PER Perth-STL Lambert-St Louis

47h 47m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,194Multiple Airlines

Sun, 1 Nov - Mon, 16 Nov

14:54 - 10:20STL Lambert-St Louis-SYD Sydney Kingsford Smith

26h 26m3 stops Dallas/Fort Worth Los Angeles Brisbane

11:05 - 20:42SYD Sydney Kingsford Smith-STL Lambert-St Louis

26h 37m2 stops Brisbane Los Angeles

$2,209Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

06:00 - 08:45MCI Kansas City-BNE Brisbane

35h 45m2 stops Chicago O'Hare Intl Vancouver Intl

10:45 - 17:34BNE Brisbane-MCI Kansas City

22h 49m2 stops Vancouver Intl Chicago O'Hare Intl

$2,225Air Canada

Sat, 31 Oct - Wed, 4 Nov

19:06 - 22:55STL Lambert-St Louis-PER Perth

37h 49m2 stops Dallas/Fort Worth Hong Kong Intl

08:30 - 16:43PER Perth-STL Lambert-St Louis

46h 13m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,238Cathay Pacific

Sun, 1 Nov - Mon, 16 Nov

19:05 - 14:45STL Lambert-St Louis-PER Perth

29h 40m2 stops San Francisco Melbourne

15:15 - 18:05PER Perth-STL Lambert-St Louis

40h 50m3 stops Sydney Kingsford Smith Los Angeles San Francisco

$2,275United Airlines

Sun, 1 Nov - Mon, 16 Nov

15:00 - 09:20MCI Kansas City-SYD Sydney Kingsford Smith

25h 20m2 stops Houston George Bush Intcntl San Francisco

11:20 - 20:33SYD Sydney Kingsford Smith-MCI Kansas City

26h 13m2 stops Los Angeles Denver Intl

$2,313United Airlines

Mon, 2 Nov - Sat, 12 Dec

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Qantas Airways flights from Missouri to Australia

Our best Qantas Airways deals on Missouri to Australia flight tickets

Qantas Airways

1 Feb

STL15:45Lambert-St Louis

32h 30m

2 stops

MEL17:15Melbourne

31 Mar

MEL09:45Melbourne

24h 24m

1 stop

STL18:09Lambert-St Louis

$1,360

Qantas Airways

1 Feb

STL18:00Lambert-St Louis

26h 50m

2 stops

BNE12:50Brisbane

14 Feb

BNE09:40Brisbane

20h 01m

1 stop

STL13:41Lambert-St Louis

$1,381

Qantas Airways

14 Feb

MCI12:01Kansas City

25h 54m

1 stop

SYD06:55Sydney Kingsford Smith

24 Feb

SYD12:45Sydney Kingsford Smith

42h 36m

2 stops

MCI14:21Kansas City

$1,382

United Airlines flights from Missouri to Australia

Our best United Airlines deals on Missouri to Australia flight tickets

United Airlines

11 Mar

MCI06:00Kansas City

33h 30m

2 stops

BNE07:30Brisbane

20 Mar

BNE10:20Brisbane

28h 07m

2 stops

MCI23:27Kansas City

$1,649

United Airlines

11 Mar

MCI17:55Kansas City

21h 35m

1 stop

BNE07:30Brisbane

20 Mar

BNE10:20Brisbane

34h 06m

1 stop

MCI05:26Kansas City

$1,655

United Airlines

23 Jan

MCI07:00Kansas City

38h 30m

2 stops

BNE13:30Brisbane

10 Feb

BNE11:20Brisbane

24h 24m

1 stop

MCI19:44Kansas City

$1,676

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Mon 1/2

15:45-17:15

2 stops32h 30m

Melbourne

Wed 31/3

09:45-18:09

1 stop24h 24m

$1,360

Fastest return journey

St. LouisBrisbane

STL Lambert-St Louis - BNE Brisbane

STLBNE

Lambert-St Louis

Mon 1/2

18:00-12:50

2 stops26h 50m

Brisbane

Sun 14/2

09:40-13:41

1 stop20h 01m

$1,381

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Sun 14/2

12:01-06:55

1 stop25h 54m

Sydney Kingsford Smith

Wed 24/2

12:45-14:21

2 stops42h 36m

$1,382

St. LouisBrisbane

STL Lambert-St Louis - BNE Brisbane

STLBNE

Lambert-St Louis

Mon 1/2

18:00-06:30

1 stop20h 30m

Brisbane

Sun 14/2

18:30-13:41

2 stops35h 11m

$1,392

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Mon 30/11

14:48-08:20

2 stops48h 32m

Melbourne

Mon 25/1

22:45-23:36

1 stop41h 51m

$1,398

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Mon 30/11

14:48-08:20

2 stops48h 32m

Melbourne

Mon 25/1

22:45-23:36

1 stop41h 51m

$1,399

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Mon 1/2

17:07-06:55

1 stop20h 48m

Sydney Kingsford Smith

Mon 15/2

19:15-16:26

2 stops38h 11m

$1,406

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Mon 30/11

14:48-08:20

2 stops48h 32m

Melbourne

Mon 25/1

22:45-23:36

1 stop41h 51m

$1,412

Kansas CityBrisbane

MCI Kansas City - BNE Brisbane

MCIBNE

Kansas City

Wed 20/1

17:07-12:50

2 stops27h 43m

Brisbane

Wed 10/2

09:40-14:08

1 stop20h 28m

$1,473

St. LouisBrisbane

STL Lambert-St Louis - BNE Brisbane

STLBNE

Lambert-St Louis

Wed 25/11

06:00-05:50

1 stop31h 50m

Brisbane

Wed 2/12

14:15-18:26

2 stops44h 11m

$1,478

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 $1,641. If you don’t want to visit Australia in May, then you should wait until November to fly from Missouri, when ticket prices are also cheap, with an average price of $1,770.

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

Best price found	$827
Fastest flight time	20h 38m
Direct flights	None

The best one-way flight to Australia from Missouri in the past 72 hours is $827. The best return flight deal from Missouri to Australia found on momondo in the last 72 hours is $1,360.

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

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

Search flight deals

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.