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 23h 01m.

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

As of September 2026, there is 1 operator available to choose from for flights from Missouri to Australia.

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.

$824 Cheap Flights from Missouri to Australia in 2026

Discover deals from 900+ travel sites with momondo.

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.

17:18 - 06:30STL Lambert-St Louis-BNE Brisbane

21h 12m1 stop Dallas/Fort Worth

18:30 - 18:11BNE Brisbane-STL Lambert-St Louis

39h 41m2 stops Auckland Intl Dallas/Fort Worth

$1,506Qantas Airways

Mon, 8 Feb - Fri, 12 Feb

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

20h 48m1 stop Dallas/Fort Worth

19:15 - 16:30SYD Sydney Kingsford Smith-MCI Kansas City

38h 15m2 stops Auckland Intl Dallas/Fort Worth

$1,516Qantas Airways

Mon, 1 Feb - Mon, 15 Feb

14:50 - 06:55MCI Kansas City-SYD Sydney Kingsford Smith

23h 05m1 stop Dallas/Fort Worth

19:15 - 16:27SYD Sydney Kingsford Smith-MCI Kansas City

38h 12m2 stops Auckland Intl Dallas/Fort Worth

$1,520Qantas Airways

Sun, 8 Nov - Thu, 12 Nov

14:20 - 06:55MCI Kansas City-SYD Sydney Kingsford Smith

24h 35m1 stop Dallas/Fort Worth

19:15 - 16:35SYD Sydney Kingsford Smith-MCI Kansas City

37h 20m2 stops Auckland Intl Dallas/Fort Worth

$1,523Qantas Airways

Wed, 21 Oct - Thu, 29 Oct

17:20 - 12:50MCI Kansas City-BNE Brisbane

27h 30m2 stops Dallas/Fort Worth Auckland Intl

09:40 - 16:30BNE Brisbane-MCI Kansas City

22h 50m1 stop Dallas/Fort Worth

$1,524Qantas Airways

Tue, 16 Feb - Tue, 2 Mar

06:04 - 05:00STL Lambert-St Louis-BNE Brisbane

31h 56m1 stop Los Angeles

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

38h 48m2 stops Auckland Intl Dallas/Fort Worth

$1,552Qantas Airways

Thu, 22 Oct - Thu, 29 Oct

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

20h 48m1 stop Dallas/Fort Worth

17:50 - 16:30SYD Sydney Kingsford Smith-MCI Kansas City

39h 40m2 stops Auckland Intl Dallas/Fort Worth

$1,585Qantas Airways

Mon, 8 Feb - Fri, 19 Feb

11:31 - 05:00STL Lambert-St Louis-MEL Melbourne

25h 29m2 stops Chicago O'Hare Intl Dallas/Fort Worth

22:45 - 09:20MEL Melbourne-STL Lambert-St Louis

26h 35m2 stops Los Angeles Dallas/Fort Worth

$1,587American Airlines

Wed, 21 Oct - Wed, 28 Oct

19:05 - 09:30STL Lambert-St Louis-MEL Melbourne

22h 25m1 stop San Francisco

12:45 - 22:15MEL Melbourne-STL Lambert-St Louis

26h 30m1 stop San Francisco

$1,613United Airlines

Sun, 25 Oct - Mon, 9 Nov

16:00 - 09:30MCI Kansas City-MEL Melbourne

24h 30m1 stop Los Angeles

12:45 - 17:07MEL Melbourne-MCI Kansas City

21h 22m1 stop San Francisco

$1,613United Airlines

Mon, 2 Nov - Mon, 16 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

08:30 - 08:45MCI Kansas City-SYD Sydney Kingsford Smith

33h 15m2 stops Houston George Bush Intcntl Auckland Intl

09:55 - 18:07SYD Sydney Kingsford Smith-MCI Kansas City

48h 12m2 stops Auckland Intl San Francisco

$1,869Air New Zealand

Sat, 12 Sep - Sat, 31 Oct

17:24 - 22:15MCI Kansas City-MEL Melbourne

37h 51m2 stops Dallas/Fort Worth Hong Kong Intl

07:25 - 23:24MEL Melbourne-MCI Kansas City

30h 59m2 stops Hong Kong Intl Dallas/Fort Worth

$2,107Cathay Pacific

Mon, 14 Sep - Mon, 21 Sep

05:00 - 20:10MCI Kansas City-SYD Sydney Kingsford Smith

48h 10m2 stops Chicago O'Hare Intl Hong Kong Intl

07:40 - 23:24SYD Sydney Kingsford Smith-MCI Kansas City

30h 44m2 stops Hong Kong Intl Dallas/Fort Worth

$2,117Cathay Pacific

Wed, 16 Sep - Wed, 23 Sep

19:11 - 07:20MCI Kansas City-SYD Sydney Kingsford Smith

45h 09m2 stops Denver Intl Vancouver Intl

09:20 - 23:30SYD Sydney Kingsford Smith-MCI Kansas City

29h 10m2 stops Vancouver Intl Denver Intl

$2,205Air Canada

Fri, 11 Sep - Thu, 17 Sep

17:14 - 07:20MCI Kansas City-SYD Sydney Kingsford Smith

47h 06m3 stops Chicago O'Hare Intl Toronto Pearson Intl Vancouver Intl

09:20 - 23:30SYD Sydney Kingsford Smith-MCI Kansas City

29h 10m2 stops Vancouver Intl Denver Intl

$2,211Air Canada

Fri, 11 Sep - Thu, 17 Sep

17:24 - 10:15MCI Kansas City-MEL Melbourne

25h 51m2 stops Dallas/Fort Worth Sydney Kingsford Smith

13:35 - 22:19MEL Melbourne-MCI Kansas City

23h 44m1 stop Dallas/Fort Worth

$2,305American Airlines

Mon, 14 Sep - Mon, 21 Sep

08:30 - 08:45MCI Kansas City-SYD Sydney Kingsford Smith

33h 15m2 stops Houston George Bush Intcntl Auckland Intl

10:20 - 14:45SYD Sydney Kingsford Smith-MCI Kansas City

20h 25m1 stop Los Angeles

$2,323Air New Zealand

Sat, 12 Sep - Sat, 31 Oct

16:20 - 07:00MCI Kansas City-SYD Sydney Kingsford Smith

23h 40m1 stop Los Angeles

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

42h 15m2 stops Auckland Intl Houston George Bush Intcntl

$2,365Air New Zealand

Mon, 14 Sep - Wed, 16 Sep

15:29 - 06:55MCI Kansas City-SYD Sydney Kingsford Smith

24h 26m1 stop San Francisco

09:20 - 14:12SYD Sydney Kingsford Smith-MCI Kansas City

20h 52m1 stop Houston George Bush Intcntl

$2,992United Airlines

Sat, 12 Sep - Sat, 31 Oct

15:29 - 06:30MCI Kansas City-BNE Brisbane

24h 01m1 stop San Francisco

21:30 - 15:39BNE Brisbane-MCI Kansas City

33h 09m2 stops Melbourne Los Angeles

$3,163United Airlines

Sun, 13 Sep - Tue, 15 Sep

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Air New Zealand flights from Missouri to Australia

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

Air New Zealand

1 Feb

MCI12:50Kansas City

31h 00m

2 stops

SYD12:50Sydney Kingsford Smith

15 Feb

SYD11:50Sydney Kingsford Smith

27h 17m

2 stops

MCI22:07Kansas City

$1,714

Air New Zealand

8 Feb

STL15:03Lambert-St Louis

28h 47m

2 stops

SYD12:50Sydney Kingsford Smith

15 Feb

SYD19:25Sydney Kingsford Smith

43h 30m

2 stops

STL21:55Lambert-St Louis

$1,740

Air New Zealand

1 Feb

MCI12:50Kansas City

26h 45m

2 stops

SYD08:35Sydney Kingsford Smith

15 Feb

SYD19:25Sydney Kingsford Smith

43h 50m

2 stops

MCI22:15Kansas City

$1,746

Delta flights from Missouri to Australia

Our best Delta deals on Missouri to Australia flight tickets

Delta

6 Nov

STL12:00Lambert-St Louis

28h 30m

2 stops

BNE08:30Brisbane

13 Nov

BNE10:40Brisbane

23h 33m

2 stops

STL18:13Lambert-St Louis

$1,800

Delta

21 Nov

MCI17:41Kansas City

45h 49m

2 stops

SYD08:30Sydney Kingsford Smith

7 Dec

SYD10:40Sydney Kingsford Smith

39h 44m

2 stops

MCI09:24Kansas City

$1,843

Delta

5 Feb

STL17:45Lambert-St Louis

68h 05m

2 stops

SYD06:50Sydney Kingsford Smith

24 Feb

SYD10:40Sydney Kingsford Smith

39h 56m

2 stops

STL09:36Lambert-St Louis

$1,873

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisBrisbane

STL Lambert-St Louis - BNE Brisbane

STLBNE

Lambert-St Louis

Mon 8/2

17:18-06:30

1 stop21h 12m

Brisbane

Fri 12/2

18:30-18:11

2 stops39h 41m

$1,506

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

19:15-16:30

2 stops38h 15m

$1,516

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Sun 8/11

14:50-06:55

1 stop23h 05m

Sydney Kingsford Smith

Thu 12/11

19:15-16:27

2 stops38h 12m

$1,520

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Wed 21/10

14:20-06:55

1 stop24h 35m

Sydney Kingsford Smith

Thu 29/10

19:15-16:35

2 stops37h 20m

$1,523

Kansas CityBrisbane

MCI Kansas City - BNE Brisbane

MCIBNE

Kansas City

Tue 16/2

17:20-12:50

2 stops27h 30m

Brisbane

Tue 2/3

09:40-16:30

1 stop22h 50m

$1,524

St. LouisBrisbane

STL Lambert-St Louis - BNE Brisbane

STLBNE

Lambert-St Louis

Thu 22/10

06:04-05:00

1 stop31h 56m

Brisbane

Thu 29/10

18:30-18:18

2 stops38h 48m

$1,552

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Mon 8/2

17:07-06:55

1 stop20h 48m

Sydney Kingsford Smith

Fri 19/2

17:50-16:30

2 stops39h 40m

$1,585

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Wed 21/10

11:31-05:00

2 stops25h 29m

Melbourne

Wed 28/10

22:45-09:20

2 stops26h 35m

$1,587

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Sun 25/10

19:05-09:30

1 stop22h 25m

Melbourne

Mon 9/11

12:45-22:15

1 stop26h 30m

$1,613

Fastest return journey

Kansas CityMelbourne

MCI Kansas City - MEL Melbourne

MCIMEL

Kansas City

Mon 2/11

16:00-09:30

1 stop24h 30m

Melbourne

Mon 16/11

12:45-17:07

1 stop21h 22m

$1,613

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 $1,599. If you don’t want to visit Australia in May, then you should wait until February to fly from Missouri, when ticket prices are also cheap, with an average price of $1,708.

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	$824
Fastest flight time	20h 38m
Direct flights	None

The best one-way flight to Australia from Missouri in the past 72 hours is $824. The best return flight deal from Missouri to Australia found on momondo in the last 72 hours is $1,506.

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 many operators does momondo search for flights from Missouri to Australia?
As of September 2026, there is 1 operator available to choose from for flights from Missouri to Australia.
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.

Best airlines flying from Missouri to Australia

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

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,044	Free cancellation	Rating 7.4 10,194 reviews		Search United Airlines flights

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.