How long is the flight from Australia to Missouri?

The flight from Australia to Missouri depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Sydney (a popular airport in Australia) to Kansas City (the most popular airport in Missouri), then the flight time is 21h 09m on average. If you fly from Brisbane (another popular airport in Australia) to Kansas City, then the average flight time is 26h 26m.

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

United Airlines, Delta, and Qantas Airways 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 were last updated today.

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

There is 1 operator available for flights from Australia to Missouri as of June 2026.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to Missouri 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 license, and a passport valid for six-months after you plan to arrive at Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$589 Cheap Flights from Australia to Missouri in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Missouri

Round-trip

One-way

Last minute

Recent round-trip flight deals from Australia to Missouri

Enter your travel dates to find the best prices.

10:55 am - 11:57 pm

MEL

STL

28h 02m

2 stops

5:10 am - 8:15 am

STL

MEL

36h 05m

2 stops

$954United Airlines

Thu, Jul 23 - Thu, Jul 30

10:55 am - 11:57 pm

MEL

STL

28h 02m

2 stops

7:23 pm - 8:15 am

STL

MEL

21h 52m

1 stop

$978United Airlines

Thu, Jul 23 - Thu, Jul 30

9:10 am - 8:23 am

SYD

STL

38h 13m

2 stops

5:42 am - 6:55 am

STL

SYD

34h 13m

1 stop

$996American Airlines

Fri, Aug 7 - Tue, Aug 11

9:10 am - 11:59 pm

SYD

STL

29h 49m

1 stop

3:35 pm - 7:05 am

STL

SYD

24h 30m

2 stops

$998American Airlines

Thu, Jul 30 - Sun, Aug 9

9:10 am - 6:05 pm

SYD

STL

23h 55m

2 stops

3:34 pm - 7:05 am

STL

SYD

24h 31m

2 stops

$999American Airlines

Wed, Aug 26 - Wed, Sep 9

9:10 am - 11:59 pm

SYD

STL

29h 49m

1 stop

6:00 am - 7:05 am

STL

SYD

34h 05m

1 stop

$1,003Qantas Airways

Thu, Jul 30 - Sun, Aug 9

9:20 am - 6:42 pm

SYD

STL

48h 22m

3 stops

12:10 pm - 7:20 am

STL

SYD

52h 10m

2 stops

$1,007Air Canada

Thu, Jul 30 - Sun, Aug 9

9:20 am - 6:42 pm

SYD

STL

48h 22m

3 stops

12:10 pm - 7:20 am

STL

SYD

52h 10m

3 stops

$1,015Air Canada

Thu, Jul 30 - Sun, Aug 9

9:10 am - 10:59 pm

SYD

STL

28h 49m

1 stop

6:30 am - 7:05 am

STL

SYD

33h 35m

1 stop

$1,045Qantas Airways

Wed, Aug 26 - Wed, Sep 9

6:30 am - 10:45 pm

DPO

STL

31h 15m

3 stops

11:10 am - 8:05 pm

STL

DPO

41h 55m

3 stops

$2,278Air New Zealand

Wed, Jul 8 - Wed, Jul 15

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Australia to Missouri

Our best United Airlines deals on Australia to Missouri flight tickets

United Airlines

Jul 23

MEL10:55 amMelbourne

28h 02m

2 stops

STL11:57 pmLambert-St Louis

Jul 30

STL5:10 amLambert-St Louis

36h 05m

2 stops

MEL8:15 amMelbourne

$954

United Airlines

Jul 23

MEL10:55 amMelbourne

28h 02m

2 stops

STL11:57 pmLambert-St Louis

Jul 30

STL7:23 pmLambert-St Louis

21h 52m

1 stop

MEL8:15 amMelbourne

$978

United Airlines

Jul 27

SYD10:20 amSydney Kingsford Smith

26h 55m

1 stop

MCI10:15 pmKansas City

Aug 4

MCI11:25 amKansas City

28h 35m

2 stops

SYD7:00 amSydney Kingsford Smith

$1,018

American Airlines flights from Australia to Missouri

Our best American Airlines deals on Australia to Missouri flight tickets

American Airlines

Aug 7

SYD9:10 amSydney Kingsford Smith

38h 13m

2 stops

STL8:23 amLambert-St Louis

Aug 11

STL5:42 amLambert-St Louis

34h 13m

1 stop

SYD6:55 amSydney Kingsford Smith

$996

American Airlines

Jul 30

SYD9:10 amSydney Kingsford Smith

29h 49m

1 stop

STL11:59 pmLambert-St Louis

Aug 9

STL3:35 pmLambert-St Louis

24h 30m

2 stops

SYD7:05 amSydney Kingsford Smith

$998

American Airlines

Aug 26

SYD9:10 amSydney Kingsford Smith

23h 55m

2 stops

STL6:05 pmLambert-St Louis

Sep 9

STL3:34 pmLambert-St Louis

24h 31m

2 stops

SYD7:05 amSydney Kingsford Smith

$999

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 7/23

10:55 am-11:57 pm

2 stops28h 02m

Lambert-St Louis

Thu 7/30

5:10 am-8:15 am

2 stops36h 05m

$954

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 7/23

10:55 am-11:57 pm

2 stops28h 02m

Lambert-St Louis

Thu 7/30

7:23 pm-8:15 am

1 stop21h 52m

$978

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Fri 8/7

9:10 am-8:23 am

2 stops38h 13m

Lambert-St Louis

Tue 8/11

5:42 am-6:55 am

1 stop34h 13m

$996

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 7/30

9:10 am-11:59 pm

1 stop29h 49m

Lambert-St Louis

Sun 8/9

3:35 pm-7:05 am

2 stops24h 30m

$998

Quickest round-trip

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 8/26

9:10 am-6:05 pm

2 stops23h 55m

Lambert-St Louis

Wed 9/9

3:34 pm-7:05 am

2 stops24h 31m

$999

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 7/30

9:10 am-11:59 pm

1 stop29h 49m

Lambert-St Louis

Sun 8/9

6:00 am-7:05 am

1 stop34h 05m

$1,003

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 7/30

9:20 am-6:42 pm

3 stops48h 22m

Lambert-St Louis

Sun 8/9

12:10 pm-7:20 am

2 stops52h 10m

$1,007

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 7/30

9:20 am-6:42 pm

3 stops48h 22m

Lambert-St Louis

Sun 8/9

12:10 pm-7:20 am

3 stops52h 10m

$1,015

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 8/26

9:10 am-10:59 pm

1 stop28h 49m

Lambert-St Louis

Wed 9/9

6:30 am-7:05 am

1 stop33h 35m

$1,045

DevonportSt. Louis

DPO - STL

DPOSTL

Devonport

Wed 7/8

6:30 am-10:45 pm

3 stops31h 15m

Lambert-St Louis

Wed 7/15

11:10 am-8:05 pm

3 stops41h 55m

$2,278

Flights are sorted by cheapest round-trip 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, April 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 $707. If you aren’t able to travel to Missouri during the month of April, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $732.

Can stopping save me money on Australia to Missouri flights?

You could potentially save up to 1% 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	20h 09m
Direct flights	None

The fastest flight from Australia to Missouri takes 20h 09m

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 were last updated today.
How many operators does momondo search for flights from Australia to Missouri?
There is 1 operator available for flights from Australia to Missouri as of June 2026.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to Missouri 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 license, and a passport valid for six-months after you plan to arrive at Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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 $822	Free Cancellation	Rating 7.4 9,810 reviews		Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Australia to Missouri. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Missouri from Australia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Price alerts on flights to Missouri from Australia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.