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

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

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 Melbourne (a popular airport in Australia) to St. Louis (the most popular airport in Missouri), then the flight time is 22h 29m on average. If you fly from Sydney (another popular airport in Australia) to St. Louis, then the average flight time is 37h 12m.

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 March 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.

$728 Cheap Flights from Australia to Missouri in 2026

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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.

9:45 am - 11:57 pm

MEL

STL

29h 12m

1 stop

2:37 pm - 6:45 am

STL

MEL

25h 08m

2 stops

$900American Airlines

Mon, Apr 20 - Mon, Apr 27

2:05 pm - 11:57 pm

MEL

STL

24h 52m

2 stops

2:37 pm - 6:45 am

STL

MEL

25h 08m

2 stops

$929American Airlines

Mon, Apr 20 - Mon, Apr 27

10:30 am - 4:49 pm

MEL

STL

22h 19m

2 stops

6:05 pm - 8:30 am

STL

MEL

46h 25m

2 stops

$945United Airlines

Wed, Mar 25 - Sun, Mar 29

10:00 am - 4:16 pm

BNE

MCI

21h 16m

2 stops

1:54 pm - 7:05 am

MCI

BNE

26h 11m

2 stops

$1,028Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

11:55 am - 10:07 am

SYD

STL

37h 12m

2 stops

3:02 pm - 8:45 am

STL

SYD

26h 43m

2 stops

$1,117Air New Zealand

Wed, Aug 5 - Sat, Aug 29

11:55 am - 10:07 am

SYD

STL

37h 12m

2 stops

3:02 pm - 8:45 am

STL

SYD

26h 43m

2 stops

$1,118Air New Zealand

Wed, Aug 5 - Sat, Aug 29

9:45 am - 11:57 pm

MEL

STL

29h 12m

1 stop

6:21 am - 6:45 am

STL

MEL

33h 24m

1 stop

$1,119Qantas Airways

Thu, Apr 23 - Thu, Apr 30

10:20 am - 6:17 pm

SYD

STL

22h 57m

1 stop

7:23 pm - 6:55 am

STL

SYD

20h 32m

1 stop

$1,128United Airlines

Wed, May 27 - Sun, May 31

8:45 pm - 1:21 pm

SYD

MCI

31h 36m

2 stops

2:15 pm - 6:50 pm

MCI

SYD

37h 35m

2 stops

$1,198Multiple Airlines

Tue, Aug 11 - Tue, Aug 18

12:00 pm - 5:18 pm

SYD

MCI

20h 18m

1 stop

2:33 pm - 6:55 am

MCI

SYD

25h 22m

1 stop

$1,255Qantas Airways

Sat, Apr 18 - Sat, Apr 25

American Airlines flights from Australia to Missouri

Our best American Airlines deals on Australia to Missouri flight tickets

American Airlines

Apr 20

MEL9:45 amMelbourne

29h 12m

1 stop

STL11:57 pmLambert-St Louis

Apr 27

STL2:37 pmLambert-St Louis

25h 08m

2 stops

MEL6:45 amMelbourne

$900

American Airlines

Apr 20

MEL2:05 pmMelbourne

24h 52m

2 stops

STL11:57 pmLambert-St Louis

Apr 27

STL2:37 pmLambert-St Louis

25h 08m

2 stops

MEL6:45 amMelbourne

$929

American Airlines

May 27

SYD9:10 amSydney Kingsford Smith

22h 23m

2 stops

STL4:33 pmLambert-St Louis

May 31

STL9:08 amLambert-St Louis

30h 57m

2 stops

SYD7:05 amSydney Kingsford Smith

$1,110

United Airlines flights from Australia to Missouri

Our best United Airlines deals on Australia to Missouri flight tickets

United Airlines

Mar 25

MEL10:30 amMelbourne

22h 19m

2 stops

STL4:49 pmLambert-St Louis

Mar 29

STL6:05 pmLambert-St Louis

46h 25m

2 stops

MEL8:30 amMelbourne

$945

United Airlines

May 27

SYD10:20 amSydney Kingsford Smith

22h 57m

1 stop

STL6:17 pmLambert-St Louis

May 31

STL7:23 pmLambert-St Louis

20h 32m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,128

United Airlines

Aug 14

SYD9:30 amSydney Kingsford Smith

21h 09m

1 stop

MCI3:39 pmKansas City

Aug 21

MCI3:30 pmKansas City

24h 25m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,615

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 4/20

9:45 am-11:57 pm

1 stop29h 12m

Lambert-St Louis

Mon 4/27

2:37 pm-6:45 am

2 stops25h 08m

$900

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 4/20

2:05 pm-11:57 pm

2 stops24h 52m

Lambert-St Louis

Mon 4/27

2:37 pm-6:45 am

2 stops25h 08m

$929

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 3/25

10:30 am-4:49 pm

2 stops22h 19m

Lambert-St Louis

Sun 3/29

6:05 pm-8:30 am

2 stops46h 25m

$945

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Tue 4/21

10:00 am-4:16 pm

2 stops21h 16m

Kansas City

Tue 4/28

1:54 pm-7:05 am

2 stops26h 11m

$1,028

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 8/5

11:55 am-10:07 am

2 stops37h 12m

Lambert-St Louis

Sat 8/29

3:02 pm-8:45 am

2 stops26h 43m

$1,117

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 8/5

11:55 am-10:07 am

2 stops37h 12m

Lambert-St Louis

Sat 8/29

3:02 pm-8:45 am

2 stops26h 43m

$1,118

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 4/23

9:45 am-11:57 pm

1 stop29h 12m

Lambert-St Louis

Thu 4/30

6:21 am-6:45 am

1 stop33h 24m

$1,119

Quickest round-trip

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/27

10:20 am-6:17 pm

1 stop22h 57m

Lambert-St Louis

Sun 5/31

7:23 pm-6:55 am

1 stop20h 32m

$1,128

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Tue 8/11

8:45 pm-1:21 pm

2 stops31h 36m

Kansas City

Tue 8/18

2:15 pm-6:50 pm

2 stops37h 35m

$1,198

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Sat 4/18

12:00 pm-5:18 pm

1 stop20h 18m

Kansas City

Sat 4/25

2:33 pm-6:55 am

1 stop25h 22m

$1,255

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, May 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 $1,108. If you aren’t able to travel to Missouri during the month of May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,128.

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	22h 29m
Direct flights	None

The fastest flight from Australia to Missouri takes 22h 29m

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 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 March 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 9,409 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.