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

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

How long is the flight from Australia to Missouri?

On average, it takes 22h 53m to fly from Australia to Missouri if you fly out of Sydney (the most popular airport in Australia) and into St. Louis (the most popular airport in Missouri). If you’re flying out of Melbourne and into St. Louis, then the flight time is around 26h 20m.

Which airlines fly to Missouri?

United Airlines, Qantas Airways and Air Canada are the top three most popular airlines that fly to Missouri from Australia according to our data. United Airlines is the first choice among our users, with 65% of people opting to fly with this airline when travelling to Missouri. Keep in mind that there are 3 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Australia to Missouri?

Prices for flights from Australia to Missouri are updated daily.

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

As of March 2026, there are 3 operators available to choose from for flights from Australia to Missouri.

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 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 Australia to Missouri.

What documentation or ID do you need to fly to Missouri?

The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,091 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 return flight deals from Australia to Missouri

Enter your travel dates to find the best prices.

20:30 - 15:25

MEL

STL

57h 55m

3 stops

14:20 - 11:05

STL

MEL

29h 45m

3 stops

$1,362Air Canada

Mon, 27 Apr - Mon, 4 May

06:00 - 14:02

MEL

STL

47h 02m

3 stops

14:40 - 11:25

STL

MEL

29h 45m

3 stops

$1,415Multiple Airlines

Fri, 31 Jul - Sun, 6 Sep

13:35 - 19:30

MEL

STL

20h 55m

1 stop

12:27 - 05:00

STL

MEL

25h 33m

2 stops

$1,423American Airlines

Mon, 27 Apr - Mon, 4 May

10:55 - 18:24

MEL

STL

22h 29m

1 stop

08:30 - 08:15

STL

MEL

32h 45m

1 stop

$1,425United Airlines

Tue, 28 Apr - Tue, 5 May

13:35 - 19:30

MEL

STL

20h 55m

1 stop

15:38 - 05:00

STL

MEL

22h 22m

1 stop

$1,432Qantas Airways

Mon, 27 Apr - Mon, 4 May

10:55 - 09:25

MEL

STL

37h 30m

2 stops

19:06 - 08:15

STL

MEL

22h 09m

1 stop

$1,439United Airlines

Mon, 27 Apr - Mon, 4 May

11:55 - 10:07

SYD

STL

37h 12m

2 stops

15:02 - 08:45

STL

SYD

26h 43m

2 stops

$1,618Air New Zealand

Wed, 5 Aug - Sat, 29 Aug

12:00 - 17:07

SYD

MCI

20h 07m

1 stop

19:46 - 08:00

MCI

SYD

45h 14m

2 stops

$1,834Qantas Airways

Wed, 20 May - Fri, 5 Jun

12:00 - 18:07

SYD

SGF

21h 07m

1 stop

17:53 - 07:05

SGF

SYD

22h 12m

2 stops

$2,532American Airlines

Sat, 20 Jun - Sat, 18 Jul

17:05 - 22:45

DPO

STL

44h 40m

3 stops

08:52 - 16:40

STL

DPO

40h 48m

3 stops

$2,712Air New Zealand

Fri, 7 Aug - Tue, 11 Aug

Air Canada flights from Australia to Missouri

Our best Air Canada deals on Australia to Missouri flight tickets

Air Canada

27 Apr

MEL20:30Melbourne

57h 55m

3 stops

STL15:25Lambert-St Louis

4 May

STL14:20Lambert-St Louis

29h 45m

3 stops

MEL11:05Melbourne

$1,362

Air Canada

20 May

SYD09:20Sydney Kingsford Smith

49h 44m

2 stops

STL20:04Lambert-St Louis

28 May

STL07:05Lambert-St Louis

33h 15m

2 stops

SYD07:20Sydney Kingsford Smith

$1,571

Air Canada

3 June

MEL06:00Melbourne

29h 04m

3 stops

STL20:04Lambert-St Louis

7 June

STL07:05Lambert-St Louis

37h 00m

3 stops

MEL11:05Melbourne

$1,611

American Airlines flights from Australia to Missouri

Our best American Airlines deals on Australia to Missouri flight tickets

American Airlines

27 Apr

MEL13:35Melbourne

20h 55m

1 stop

STL19:30Lambert-St Louis

4 May

STL12:27Lambert-St Louis

25h 33m

2 stops

MEL05:00Melbourne

$1,423

American Airlines

31 July

MEL09:45Melbourne

29h 14m

1 stop

STL23:59Lambert-St Louis

6 Sept

STL19:46Lambert-St Louis

23h 34m

2 stops

MEL10:20Melbourne

$1,499

American Airlines

7 Sept

MEL13:35Melbourne

25h 16m

2 stops

STL23:51Lambert-St Louis

27 Sept

STL16:14Lambert-St Louis

27h 06m

2 stops

MEL10:20Melbourne

$1,703

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 27/4

20:30-15:25

3 stops57h 55m

Lambert-St Louis

Mon 4/5

14:20-11:05

3 stops29h 45m

$1,362

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 31/7

06:00-14:02

3 stops47h 02m

Lambert-St Louis

Sun 6/9

14:40-11:25

3 stops29h 45m

$1,415

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 27/4

13:35-19:30

1 stop20h 55m

Lambert-St Louis

Mon 4/5

12:27-05:00

2 stops25h 33m

$1,423

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Tue 28/4

10:55-18:24

1 stop22h 29m

Lambert-St Louis

Tue 5/5

08:30-08:15

1 stop32h 45m

$1,425

Fastest return journey

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 27/4

13:35-19:30

1 stop20h 55m

Lambert-St Louis

Mon 4/5

15:38-05:00

1 stop22h 22m

$1,432

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 27/4

10:55-09:25

2 stops37h 30m

Lambert-St Louis

Mon 4/5

19:06-08:15

1 stop22h 09m

$1,439

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/8

11:55-10:07

2 stops37h 12m

Lambert-St Louis

Sat 29/8

15:02-08:45

2 stops26h 43m

$1,618

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Wed 20/5

12:00-17:07

1 stop20h 07m

Kansas City

Fri 5/6

19:46-08:00

2 stops45h 14m

$1,834

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

Sat 20/6

12:00-18:07

1 stop21h 07m

Springfield-Branson

Sat 18/7

17:53-07:05

2 stops22h 12m

$2,532

DevonportSt. Louis

DPO - STL

DPOSTL

Devonport

Fri 7/8

17:05-22:45

3 stops44h 40m

Lambert-St Louis

Tue 11/8

08:52-16:40

3 stops40h 48m

$2,712

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 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, November 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 $1,157. The month of February is another great option to travel to Missouri, with average flight prices from Australia averaging around $1,190.

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 07m
Direct flights	None

The fastest flight from Australia to Missouri takes 20h 07m

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 are updated daily.
How many operators does momondo search for flights from Australia to Missouri?
As of March 2026, there are 3 operators available to choose from for flights from Australia to Missouri.
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 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 Australia to Missouri.
What documentation or ID do you need to fly to Missouri?
The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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 $681	Free cancellation	Rating 7.4 9,427 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,048	Free cancellation	Rating 7.1 10,801 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,130	Free cancellation	Rating 7.5 1,004 reviews	Search Qantas Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Australia to Missouri for you.

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

momondo does allow users to show only those flights to Missouri from Australia which offer a flexible booking policy as well as other useful filters and features.

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?

Yes. momondo can track prices for Australia to Missouri flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.