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

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

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 64% of people opting to fly with this airline when travelling to Missouri. Keep in mind that there are 4 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

How long is the flight from Australia to Missouri?

On average, it takes 20h 27m to fly from Australia to Missouri if you fly out of Melbourne (the most popular airport in Australia) and into St. Louis (the most popular airport in Missouri). If you’re flying out of Brisbane and into St. Louis, then the flight time is around 20h 47m.

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 September 2025, there are 4 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.

$705 Cheap Flights from Australia to Missouri in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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

Find the cheapest flights from Australia to Missouri

Round-trip

One-way

Recent return flight deals from Australia to Missouri

10:20 - 15:29SYD-STL

45h 09m2 stops

13:30 - 08:35STL-SYD

27h 05m2 stops

$1,206Air Canada

Find Deal

Thu, 12 Mar - Mon, 16 Mar

10:20 - 15:29SYD-STL

45h 09m2 stops

13:30 - 08:35STL-SYD

27h 05m2 stops

$1,231Air Canada

Find Deal

Thu, 12 Mar - Mon, 16 Mar

11:20 - 23:42SYD-STL

29h 22m1 stop

13:59 - 09:00STL-SYD

26h 01m2 stops

$1,262American Airlines

Find Deal

Tue, 25 Nov - Sat, 13 Dec

13:00 - 20:47MEL-MCI

24h 47m2 stops

08:10 - 10:00MCI-MEL

32h 50m2 stops

$1,268United Airlines

Find Deal

Tue, 4 Nov - Tue, 11 Nov

12:10 - 20:47SYD-MCI

25h 37m2 stops

16:35 - 09:05MCI-SYD

23h 30m2 stops

$1,279United Airlines

Find Deal

Tue, 4 Nov - Tue, 11 Nov

11:20 - 00:42SYD-STL

29h 22m1 stop

07:00 - 09:00STL-SYD

33h 00m1 stop

$1,281American Airlines

Find Deal

Sun, 2 Nov - Sun, 9 Nov

06:10 - 15:29BNE-STL

49h 19m3 stops

16:05 - 08:45STL-BNE

48h 40m2 stops

$1,414Multiple Airlines

Find Deal

Mon, 3 Nov - Mon, 10 Nov

06:10 - 15:29BNE-STL

49h 19m3 stops

16:05 - 13:25STL-BNE

53h 20m3 stops

$1,494Multiple Airlines

Find Deal

Mon, 3 Nov - Mon, 10 Nov

06:30 - 23:42DPO-STL

34h 12m2 stops

13:20 - 16:35STL-DPO

34h 15m2 stops

$3,489Qantas Airways

Find Deal

Thu, 13 Nov - Mon, 17 Nov

06:30 - 23:42DPO-STL

34h 12m2 stops

13:20 - 13:10STL-DPO

30h 50m2 stops

$3,504Qantas Airways

Find Deal

Thu, 13 Nov - Mon, 17 Nov

Air Canada flights from Australia to Missouri

Our best Air Canada deals on Australia to Missouri flight tickets

Air Canada

12 Mar

SYD10:20Sydney Kingsford Smith

45h 09m

2 stops

STL15:29Lambert-St Louis

16 Mar

STL13:30Lambert-St Louis

27h 05m

2 stops

SYD08:35Sydney Kingsford Smith

$1,206

Find similar

Air Canada

12 Mar

SYD10:20Sydney Kingsford Smith

45h 09m

2 stops

STL15:29Lambert-St Louis

16 Mar

STL13:30Lambert-St Louis

27h 05m

2 stops

SYD08:35Sydney Kingsford Smith

$1,231

Find similar

Air Canada

12 Mar

SYD10:20Sydney Kingsford Smith

45h 09m

2 stops

STL15:29Lambert-St Louis

16 Mar

STL13:30Lambert-St Louis

27h 05m

2 stops

SYD08:35Sydney Kingsford Smith

$1,238

Find similar

United Airlines flights from Australia to Missouri

Our best United Airlines deals on Australia to Missouri flight tickets

United Airlines

4 Nov

MEL13:00Melbourne

24h 47m

2 stops

MCI20:47Kansas City

11 Nov

MCI08:10Kansas City

32h 50m

2 stops

MEL10:00Melbourne

$1,268

Find similar

United Airlines

4 Nov

SYD12:10Sydney Kingsford Smith

25h 37m

2 stops

MCI20:47Kansas City

11 Nov

MCI16:35Kansas City

23h 30m

2 stops

SYD09:05Sydney Kingsford Smith

$1,279

Find similar

United Airlines

25 Nov

SYD11:50Sydney Kingsford Smith

27h 55m

2 stops

STL22:45Lambert-St Louis

11 Dec

STL06:15Lambert-St Louis

33h 50m

2 stops

SYD09:05Sydney Kingsford Smith

$1,285

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 12/3

10:20-15:29

2 stops45h 09m

Lambert-St Louis

Mon 16/3

13:30-08:35

2 stops27h 05m

$1,206

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 12/3

10:20-15:29

2 stops45h 09m

Lambert-St Louis

Mon 16/3

13:30-08:35

2 stops27h 05m

$1,231

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 25/11

11:20-23:42

1 stop29h 22m

Lambert-St Louis

Sat 13/12

13:59-09:00

2 stops26h 01m

$1,262

MelbourneKansas City

MEL - MCI

MELMCI

Melbourne

Tue 4/11

13:00-20:47

2 stops24h 47m

Kansas City

Tue 11/11

08:10-10:00

2 stops32h 50m

$1,268

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Tue 4/11

12:10-20:47

2 stops25h 37m

Kansas City

Tue 11/11

16:35-09:05

2 stops23h 30m

$1,279

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sun 2/11

11:20-00:42

1 stop29h 22m

Lambert-St Louis

Sun 9/11

07:00-09:00

1 stop33h 00m

$1,281

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Mon 3/11

06:10-15:29

3 stops49h 19m

Lambert-St Louis

Mon 10/11

16:05-08:45

2 stops48h 40m

$1,414

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Mon 3/11

06:10-15:29

3 stops49h 19m

Lambert-St Louis

Mon 10/11

16:05-13:25

3 stops53h 20m

$1,494

DevonportSt. Louis

DPO - STL

DPOSTL

Devonport

Thu 13/11

06:30-23:42

2 stops34h 12m

Lambert-St Louis

Mon 17/11

13:20-16:35

2 stops34h 15m

$3,489

DevonportSt. Louis

DPO - STL

DPOSTL

Devonport

Thu 13/11

06:30-23:42

2 stops34h 12m

Lambert-St Louis

Mon 17/11

13:20-13:10

2 stops30h 50m

$3,504

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, October 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 $1,570. The month of December is another great option to travel to Missouri, with average flight prices from Australia averaging around $1,650.

What is the cheapest day to depart on your flight to Missouri?

The cheapest day to depart on your flight to Missouri is on a Wednesday when prices can be found for as low as $1,756. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Missouri on Sunday is $2,827.

What is the cheapest time of day to depart on your flight to Missouri?

The cheapest time of day to fly to Missouri is in the afternoon when flights can be purchased for as low as $2,111. Try not to purchase tickets in the morning because they tend to be around $2,126. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Australia to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Missouri

Direct flights	None

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 September 2025, there are 4 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 $1,122	Free cancellation	Rating 7.4 8,923 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,149	Free cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,480	Free cancellation	Rating 8.0 506 reviews	Search Air New Zealand flights
Qantas Airways	PriceFrom $1,500	Free cancellation	Rating 7.5 907 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.