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

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 20h 27m on average. If you fly from Sydney (another popular airport in Australia) to St. Louis, then the average flight time is 22h 57m.

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 are 2 operators available for flights from Australia to Missouri as of September 2025.

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.

$465 Cheap Flights from Australia to Missouri in 2025/26

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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

11:20 am - 10:28 pmSYD-MCI

28h 08m2 stops

4:57 pm - 8:35 amMCI-SYD

23h 38m2 stops

$802Air Canada

Find Deal

dom., mar. 8 - mar., mar. 10

10:20 am - 3:29 pmSYD-STL

45h 09m2 stops

4:05 pm - 8:35 amSTL-SYD

48h 30m2 stops

$810Air Canada

Find Deal

jue., mar. 12 - lun., mar. 16

11:20 am - 12:42 amSYD-STL

29h 22m1 stop

7:00 am - 9:00 amSTL-SYD

33h 00m1 stop

$845American Airlines

Find Deal

dom., nov. 2 - dom., nov. 9

12:00 pm - 4:27 pmMEL-STL

20h 27m1 stop

9:00 am - 10:00 amSTL-MEL

32h 00m2 stops

$846United Airlines

Find Deal

sáb., nov. 1 - sáb., nov. 8

11:20 am - 12:42 amSYD-STL

29h 22m1 stop

2:29 pm - 9:00 amSTL-SYD

25h 31m2 stops

$849American Airlines

Find Deal

dom., nov. 2 - dom., nov. 9

11:50 am - 3:50 pmSYD-STL

20h 00m1 stop

4:43 pm - 9:15 amSTL-SYD

47h 32m2 stops

$852United Airlines

Find Deal

vie., oct. 31 - vie., nov. 7

9:40 am - 1:49 pmSYD-MCI

21h 09m1 stop

3:45 pm - 6:05 amMCI-SYD

22h 20m1 stop

$959Delta

Find Deal

dom., mar. 8 - mar., mar. 10

2:15 pm - 9:41 pmSYD-SGF

24h 26m2 stops

6:45 pm - 6:05 amSGF-SYD

43h 20m2 stops

$960Delta

Find Deal

jue., mar. 5 - lun., mar. 9

12:00 pm - 11:05 pmMEL-STL

27h 05m1 stop

6:03 pm - 5:00 amSTL-MEL

41h 57m1 stop

$1,768Qantas Airways

Find Deal

sáb., nov. 1 - sáb., nov. 8

11:00 am - 11:42 pmLST-STL

29h 42m2 stops

7:00 am - 7:50 pmSTL-LST

43h 50m2 stops

$2,243Qantas Airways

Find Deal

jue., nov. 20 - lun., nov. 24

Air Canada flights from Australia to Missouri

Our best Air Canada deals on Australia to Missouri flight tickets

Air Canada

Mar 8

SYD11:20 amSydney Kingsford Smith

28h 08m

2 stops

MCI10:28 pmKansas City

Mar 10

MCI4:57 pmKansas City

23h 38m

2 stops

SYD8:35 amSydney Kingsford Smith

$802

Find similar

Air Canada

Mar 12

SYD10:20 amSydney Kingsford Smith

45h 09m

2 stops

STL3:29 pmLambert-St Louis

Mar 16

STL4:05 pmLambert-St Louis

48h 30m

2 stops

SYD8:35 amSydney Kingsford Smith

$810

Find similar

Air Canada

Mar 12

SYD10:20 amSydney Kingsford Smith

45h 09m

2 stops

STL3:29 pmLambert-St Louis

Mar 16

STL1:30 pmLambert-St Louis

27h 05m

2 stops

SYD8:35 amSydney Kingsford Smith

$817

Find similar

United Airlines flights from Australia to Missouri

Our best United Airlines deals on Australia to Missouri flight tickets

United Airlines

Nov 1

MEL12:00 pmMelbourne

20h 27m

1 stop

STL4:27 pmLambert-St Louis

Nov 8

STL9:00 amLambert-St Louis

32h 00m

2 stops

MEL10:00 amMelbourne

$846

Find similar

United Airlines

Oct 31

SYD11:50 amSydney Kingsford Smith

20h 00m

1 stop

STL3:50 pmLambert-St Louis

Nov 7

STL4:43 pmLambert-St Louis

47h 32m

2 stops

SYD9:15 amSydney Kingsford Smith

$852

Find similar

United Airlines

Nov 2

SYD11:50 amSydney Kingsford Smith

21h 00m

1 stop

STL4:50 pmLambert-St Louis

Nov 9

STL5:29 pmLambert-St Louis

22h 46m

1 stop

SYD9:15 amSydney Kingsford Smith

$853

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

dom. 3/8

11:20 am-10:28 pm

2 stops28h 08m

Kansas City

mar. 3/10

4:57 pm-8:35 am

2 stops23h 38m

$802

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

jue. 3/12

10:20 am-3:29 pm

2 stops45h 09m

Lambert-St Louis

lun. 3/16

4:05 pm-8:35 am

2 stops48h 30m

$810

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

dom. 11/2

11:20 am-12:42 am

1 stop29h 22m

Lambert-St Louis

dom. 11/9

7:00 am-9:00 am

1 stop33h 00m

$845

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

sáb. 11/1

12:00 pm-4:27 pm

1 stop20h 27m

Lambert-St Louis

sáb. 11/8

9:00 am-10:00 am

2 stops32h 00m

$846

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

dom. 11/2

11:20 am-12:42 am

1 stop29h 22m

Lambert-St Louis

dom. 11/9

2:29 pm-9:00 am

2 stops25h 31m

$849

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

vie. 10/31

11:50 am-3:50 pm

1 stop20h 00m

Lambert-St Louis

vie. 11/7

4:43 pm-9:15 am

2 stops47h 32m

$852

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

dom. 3/8

9:40 am-1:49 pm

1 stop21h 09m

Kansas City

mar. 3/10

3:45 pm-6:05 am

1 stop22h 20m

$959

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

jue. 3/5

2:15 pm-9:41 pm

2 stops24h 26m

Springfield-Branson

lun. 3/9

6:45 pm-6:05 am

2 stops43h 20m

$960

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

sáb. 11/1

12:00 pm-11:05 pm

1 stop27h 05m

Lambert-St Louis

sáb. 11/8

6:03 pm-5:00 am

1 stop41h 57m

$1,768

LauncestonSt. Louis

LST - STL

LSTSTL

Launceston

jue. 11/20

11:00 am-11:42 pm

2 stops29h 42m

Lambert-St Louis

lun. 11/24

7:00 am-7:50 pm

2 stops43h 50m

$2,243

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, 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 $1,031. If you aren’t able to travel to Missouri during the month of November, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,128.

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

The cheapest day to depart from Australia to Missouri is on a Friday when prices can be found for as low as $1,050. Flights from Australia to Missouri on a Saturday will generally be more expensive and average around $1,861. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Missouri is in the morning. momondo users have found flights departing from Australia to Missouri in the morning for as low as $1,352. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly in the afternoon, with an average ticket price of $1,824. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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 were last updated today.
How many operators does momondo search for flights from Australia to Missouri?
There are 2 operators available for flights from Australia to Missouri as of September 2025.
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 8,926 reviews		Search United Airlines flights
Qantas Airways	PriceFrom $1,110	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?

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.