How long is the flight from Missouri to Australia?

Flight times from Missouri to Australia vary, but if you’re flying out of Kansas City and flying into Sydney (one of the most popular routes), then the duration is 19h 56m on average. Another popular route from Missouri to Australia is flying from Columbia to Sydney, which will take roughly 20h 16m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Australia?

United Airlines, Qantas Airways and American Airlines are the top three most popular airlines that fly to Australia from Missouri according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 6 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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

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

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

Prices for flights from Missouri to Australia refresh daily.

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

As of April 2026, there are 6 operators available to choose from for flights from Missouri to Australia.

How old do you have to be to fly from Missouri to Australia?

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 Missouri to Australia.

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

The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$496 Cheap Flights from Missouri to Australia in 2026

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Find the cheapest flights from Missouri to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:05 pm - 7:05 am

STL

BNE

51h 00m

2 stops

10:15 am - 8:43 pm

BNE

STL

49h 28m

2 stops

$1,023Air Canada

Sat, May 30 - Thu, Jun 11

11:29 am - 7:05 am

MCI

BNE

28h 36m

2 stops

10:00 am - 10:50 am

BNE

MCI

39h 50m

2 stops

$1,106Air Canada

Wed, May 20 - Wed, Jun 3

5:18 pm - 7:20 pm

STL

MEL

35h 02m

2 stops

7:30 am - 10:00 pm

MEL

STL

29h 30m

2 stops

$1,140Multiple Airlines

Tue, Aug 4 - Thu, Aug 13

1:05 pm - 7:05 am

STL

BNE

27h 00m

2 stops

7:25 pm - 8:09 pm

BNE

STL

39h 44m

3 stops

$1,180Multiple Airlines

Wed, May 13 - Wed, May 20

2:40 pm - 5:00 am

MCI

BNE

23h 20m

2 stops

8:35 pm - 8:35 am

BNE

MCI

27h 00m

2 stops

$1,345American Airlines

Wed, May 20 - Wed, Jun 3

10:48 am - 5:00 am

MCI

BNE

27h 12m

2 stops

8:35 pm - 10:15 am

BNE

MCI

28h 40m

2 stops

$1,346American Airlines

Sun, Apr 26 - Sun, May 3

3:38 pm - 5:00 am

STL

MEL

22h 22m

1 stop

9:45 am - 11:08 pm

MEL

STL

28h 23m

1 stop

$1,424Qantas Airways

Mon, May 18 - Thu, Aug 13

4:06 pm - 7:30 am

MCI

MEL

24h 24m

1 stop

10:55 am - 11:59 pm

MEL

MCI

28h 04m

2 stops

$1,478United Airlines

Mon, Apr 27 - Wed, May 6

4:26 pm - 7:30 am

MCI

MEL

24h 04m

1 stop

10:55 am - 10:15 pm

MEL

MCI

26h 20m

1 stop

$1,479United Airlines

Mon, Jun 1 - Sat, Jun 13

3:38 pm - 11:50 am

STL

CNS

29h 12m

2 stops

6:20 pm - 11:08 pm

CNS

STL

43h 48m

2 stops

$1,787Qantas Airways

Mon, May 4 - Sun, Aug 9

Qantas Airways flights from Missouri to Australia

Our best Qantas Airways deals on Missouri to Australia flight tickets

Qantas Airways

Jul 1

STL6:35 amLambert-St Louis

42h 00m

2 stops

SYD3:35 pmSydney Kingsford Smith

Jul 8

SYD12:00 pmSydney Kingsford Smith

19h 33m

1 stop

STL4:33 pmLambert-St Louis

$1,386

Qantas Airways

May 18

STL3:38 pmLambert-St Louis

22h 22m

1 stop

MEL5:00 amMelbourne

Aug 13

MEL9:45 amMelbourne

28h 23m

1 stop

STL11:08 pmLambert-St Louis

$1,424

Qantas Airways

Jul 6

STL6:36 amLambert-St Louis

42h 24m

2 stops

SYD4:00 pmSydney Kingsford Smith

Jul 19

SYD12:00 pmSydney Kingsford Smith

19h 33m

1 stop

STL4:33 pmLambert-St Louis

$1,442

Singapore Airlines flights from Missouri to Australia

Our best Singapore Airlines deals on Missouri to Australia flight tickets

Singapore Airlines

Jul 4

STL2:40 pmLambert-St Louis

25h 40m

1 stop

SYD7:20 amSydney Kingsford Smith

Jul 16

SYD9:20 amSydney Kingsford Smith

25h 47m

1 stop

STL8:07 pmLambert-St Louis

$1,463

Singapore Airlines

Jul 8

MCI7:59 pmKansas City

19h 31m

1 stop

BNE6:30 amBrisbane

Jul 22

BNE10:30 amBrisbane

26h 45m

1 stop

MCI10:15 pmKansas City

$2,181

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sat 5/30

1:05 pm-7:05 am

2 stops51h 00m

Brisbane

Thu 6/11

10:15 am-8:43 pm

2 stops49h 28m

$1,023

Kansas CityBrisbane

MCI - BNE

MCIBNE

Kansas City

Wed 5/20

11:29 am-7:05 am

2 stops28h 36m

Brisbane

Wed 6/3

10:00 am-10:50 am

2 stops39h 50m

$1,106

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 8/4

5:18 pm-7:20 pm

2 stops35h 02m

Melbourne

Thu 8/13

7:30 am-10:00 pm

2 stops29h 30m

$1,140

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Wed 5/13

1:05 pm-7:05 am

2 stops27h 00m

Brisbane

Wed 5/20

7:25 pm-8:09 pm

3 stops39h 44m

$1,180

Quickest round-trip

Kansas CityBrisbane

MCI - BNE

MCIBNE

Kansas City

Wed 5/20

2:40 pm-5:00 am

2 stops23h 20m

Brisbane

Wed 6/3

8:35 pm-8:35 am

2 stops27h 00m

$1,345

Kansas CityBrisbane

MCI - BNE

MCIBNE

Kansas City

Sun 4/26

10:48 am-5:00 am

2 stops27h 12m

Brisbane

Sun 5/3

8:35 pm-10:15 am

2 stops28h 40m

$1,346

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 5/18

3:38 pm-5:00 am

1 stop22h 22m

Melbourne

Thu 8/13

9:45 am-11:08 pm

1 stop28h 23m

$1,424

Kansas CityMelbourne

MCI - MEL

MCIMEL

Kansas City

Mon 4/27

4:06 pm-7:30 am

1 stop24h 24m

Melbourne

Wed 5/6

10:55 am-11:59 pm

2 stops28h 04m

$1,478

Kansas CityMelbourne

MCI - MEL

MCIMEL

Kansas City

Mon 6/1

4:26 pm-7:30 am

1 stop24h 04m

Melbourne

Sat 6/13

10:55 am-10:15 pm

1 stop26h 20m

$1,479

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 5/4

3:38 pm-11:50 am

2 stops29h 12m

Cairns

Sun 8/9

6:20 pm-11:08 pm

2 stops43h 48m

$1,787

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 Missouri to Australia

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 Australia?

The month of March is, on average, the cheapest month to fly to Australia from Missouri, with most prices found around $1,254. If you aren’t able to travel during the month of March, then book flights to Australia from Missouri during August instead. Flights to Australia in August, while not as cheap as those in March, still average around $1,294.

Can stopping save me money on Missouri to Australia flights?

You could potentially save up to 7% on your flight if you consider stops on a Missouri to Australia flight.

Cheap Missouri to Australia flight deals and tips

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

Fastest flight time	20h 16m
Direct flights	None

The fastest flight from Missouri to Australia takes 20h 16m

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

Search flight deals

Frequently asked questions about flying from Missouri to Australia

When did momondo last update prices for flights from Missouri to Australia?
Prices for flights from Missouri to Australia refresh daily.
How many operators does momondo search for flights from Missouri to Australia?
As of April 2026, there are 6 operators available to choose from for flights from Missouri to Australia.
How old do you have to be to fly from Missouri to Australia?
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 Missouri to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Australia

Compare and see reviews for airlines that fly from Missouri to Australia with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $539	Free Cancellation	Rating 7.4 9,538 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $707	Free Cancellation	Rating 7.5 1,016 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $887	Free Cancellation	Rating 8.1 238 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $894	Free Cancellation	Rating 7.1 10,886 reviews	Search Air Canada flights
Delta	PriceFrom $917	Free Cancellation	Rating 7.9 8,374 reviews	Search Delta flights
American Airlines	PriceFrom $973	Free Cancellation	Rating 7.1 11,550 reviews	Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Missouri to Australia. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Missouri to Australia flights to just show those with flexible booking policies.

How can momondo help me find flights from Missouri to Australia?

momondo helps you find the best flight between Missouri and Australia 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 Missouri to Australia right now. Can momondo alert me if prices change?

Price alerts on flights to Australia from Missouri 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.