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 St. Louis (the most popular airport in Missouri), then the flight time is 21h 10m on average. If you fly from Melbourne (another popular airport in Australia) to St. Louis, then the average flight time is 24h 51m.

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

United Airlines, American Airlines, and Delta 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 July 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.

$477 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

Recent round-trip flight deals from Australia to Missouri

Enter your travel dates to find the best prices.

1:15 pm - 11:17 am

SYD

STL

37h 02m

3 stops

12:17 pm - 11:50 am

STL

SYD

32h 33m

3 stops

$986Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

11:20 am - 4:11 pm

SYD

MCI

21h 51m

2 stops

1:34 pm - 9:35 am

MCI

SYD

27h 01m

2 stops

$1,017Air Canada

Thu, Nov 5 - Mon, Nov 9

11:20 am - 4:57 pm

SYD

STL

22h 37m

2 stops

8:50 am - 9:35 am

STL

SYD

31h 45m

2 stops

$1,017Air Canada

Thu, Nov 12 - Mon, Nov 16

10:20 am - 6:41 pm

SYD

STL

24h 21m

2 stops

4:05 pm - 9:35 am

STL

SYD

48h 30m

2 stops

$1,017Air Canada

Wed, Oct 14 - Sat, Nov 7

9:20 am - 5:59 pm

SYD

STL

23h 39m

2 stops

8:55 am - 7:20 am

STL

SYD

31h 25m

2 stops

$1,021Multiple Airlines

Thu, Aug 27 - Thu, Sep 10

11:20 am - 4:11 pm

SYD

MCI

21h 51m

2 stops

1:34 pm - 9:35 am

MCI

SYD

27h 01m

2 stops

$1,021Air Canada

Thu, Nov 5 - Mon, Nov 9

11:20 am - 4:57 pm

SYD

STL

22h 37m

2 stops

8:50 am - 9:35 am

STL

SYD

31h 45m

2 stops

$1,021Air Canada

Thu, Nov 12 - Mon, Nov 16

10:20 am - 6:41 pm

SYD

STL

24h 21m

2 stops

7:30 am - 9:35 am

STL

SYD

33h 05m

3 stops

$1,023Air Canada

Wed, Oct 14 - Sat, Nov 7

9:20 am - 10:30 pm

SYD

MCI

30h 10m

1 stop

5:20 pm - 7:00 am

MCI

SYD

44h 40m

2 stops

$1,052United Airlines

Thu, Nov 5 - Mon, Nov 9

10:55 am - 6:39 pm

MEL

STL

22h 44m

1 stop

7:08 am - 8:15 am

STL

MEL

34h 07m

1 stop

$1,266United Airlines

Mon, Sep 7 - Sun, Sep 27

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Air New Zealand flights from Australia to Missouri

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

Air New Zealand

Oct 15

SYD9:55 amSydney Kingsford Smith

28h 35m

2 stops

STL10:30 pmLambert-St Louis

Nov 8

STL8:00 amLambert-St Louis

31h 35m

2 stops

SYD8:35 amSydney Kingsford Smith

$1,167

Air New Zealand

Aug 13

MEL12:10 pmMelbourne

37h 00m

2 stops

STL10:10 amLambert-St Louis

Aug 16

STL8:42 amLambert-St Louis

35h 13m

2 stops

MEL10:55 amMelbourne

$1,454

Qantas Airways flights from Australia to Missouri

Our best Qantas Airways deals on Australia to Missouri flight tickets

Qantas Airways

Aug 26

SYD12:00 pmSydney Kingsford Smith

19h 29m

1 stop

MCI4:29 pmKansas City

Sep 2

MCI5:14 pmKansas City

22h 41m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,037

Qantas Airways

Aug 27

SYD9:10 amSydney Kingsford Smith

28h 49m

1 stop

STL10:59 pmLambert-St Louis

Sep 3

STL6:45 pmLambert-St Louis

21h 10m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,081

Qantas Airways

Aug 27

SYD9:10 amSydney Kingsford Smith

28h 49m

1 stop

STL10:59 pmLambert-St Louis

Sep 10

STL6:00 amLambert-St Louis

34h 05m

1 stop

SYD7:05 amSydney Kingsford Smith

$1,085

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 9/9

1:15 pm-11:17 am

3 stops37h 02m

Lambert-St Louis

Wed 9/16

12:17 pm-11:50 am

3 stops32h 33m

$986

Quickest round-trip

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 11/5

11:20 am-4:11 pm

2 stops21h 51m

Kansas City

Mon 11/9

1:34 pm-9:35 am

2 stops27h 01m

$1,017

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 11/12

11:20 am-4:57 pm

2 stops22h 37m

Lambert-St Louis

Mon 11/16

8:50 am-9:35 am

2 stops31h 45m

$1,017

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 10/14

10:20 am-6:41 pm

2 stops24h 21m

Lambert-St Louis

Sat 11/7

4:05 pm-9:35 am

2 stops48h 30m

$1,017

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 8/27

9:20 am-5:59 pm

2 stops23h 39m

Lambert-St Louis

Thu 9/10

8:55 am-7:20 am

2 stops31h 25m

$1,021

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 11/5

11:20 am-4:11 pm

2 stops21h 51m

Kansas City

Mon 11/9

1:34 pm-9:35 am

2 stops27h 01m

$1,021

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 11/12

11:20 am-4:57 pm

2 stops22h 37m

Lambert-St Louis

Mon 11/16

8:50 am-9:35 am

2 stops31h 45m

$1,021

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 10/14

10:20 am-6:41 pm

2 stops24h 21m

Lambert-St Louis

Sat 11/7

7:30 am-9:35 am

3 stops33h 05m

$1,023

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 11/5

9:20 am-10:30 pm

1 stop30h 10m

Kansas City

Mon 11/9

5:20 pm-7:00 am

2 stops44h 40m

$1,052

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 9/7

10:55 am-6:39 pm

1 stop22h 44m

Lambert-St Louis

Sun 9/27

7:08 am-8:15 am

1 stop34h 07m

$1,266

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, July 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 $1,060. If you aren’t able to travel to Missouri during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,065.

Can stopping save me money on Australia to Missouri flights?

You could potentially save up to 7% 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	19h 29m
Direct flights	None

The fastest flight from Australia to Missouri takes 19h 29m

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

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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 July 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 10,046 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.