What airlines fly to Australia?

Qantas Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Australia from Missouri according to our data. Qantas Airways is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 5 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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 20h 20m on average. Another popular route from Missouri to Australia is flying from St. Louis to Sydney, which will take roughly 20h 32m. Keep in mind that layovers or delays could extend your travel time.

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

Qantas Airways, American Airlines, 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 July 2026, there are 5 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.

$616 Cheap Flights from Missouri to Australia in 2026

Discover deals from 900+ travel sites with momondo.

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.

7:04 pm - 5:00 am

MCI

MEL

40h 56m

1 stop

12:25 pm - 2:19 pm

MEL

MCI

42h 54m

2 stops

$1,072Qantas Airways

Mon, Nov 2 - Mon, Nov 16

6:02 am - 9:00 am

STL

SYD

33h 58m

1 stop

5:50 pm - 6:15 pm

SYD

STL

41h 25m

2 stops

$1,089Qantas Airways

Mon, Nov 9 - Thu, Nov 19

7:11 pm - 7:20 am

MCI

SYD

45h 09m

2 stops

9:20 am - 12:38 pm

SYD

MCI

42h 18m

2 stops

$1,097Air Canada

Sun, Aug 30 - Tue, Sep 8

4:05 pm - 7:45 am

STL

BNE

48h 40m

2 stops

10:45 am - 3:26 pm

BNE

STL

44h 41m

2 stops

$1,098Air Canada

Sun, Oct 25 - Wed, Nov 18

7:11 pm - 7:20 am

MCI

SYD

45h 09m

2 stops

9:20 am - 12:20 pm

SYD

MCI

42h 00m

3 stops

$1,105Air Canada

Sun, Aug 30 - Tue, Sep 8

5:40 am - 5:00 am

STL

MEL

31h 20m

1 stop

10:45 pm - 8:07 am

MEL

STL

26h 22m

2 stops

$1,122American Airlines

Tue, Oct 27 - Wed, Nov 11

2:40 pm - 4:05 pm

STL

AVV

33h 25m

3 stops

6:00 am - 3:26 pm

AVV

STL

50h 26m

3 stops

$1,124Multiple Airlines

Tue, Oct 20 - Tue, Nov 3

4:05 pm - 7:45 am

STL

BNE

48h 40m

2 stops

6:10 am - 3:26 pm

BNE

STL

49h 16m

3 stops

$1,128Multiple Airlines

Sun, Oct 25 - Wed, Nov 18

6:04 am - 6:45 am

STL

MEL

32h 41m

1 stop

10:45 pm - 9:20 am

MEL

STL

26h 35m

2 stops

$1,131American Airlines

Tue, Oct 20 - Tue, Oct 27

7:20 pm - 8:50 am

STL

MEL

45h 30m

2 stops

11:00 am - 11:48 pm

MEL

STL

28h 48m

2 stops

$1,140Delta

Tue, Oct 20 - Tue, Oct 27

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Qantas Airways flights from Missouri to Australia

Our best Qantas Airways deals on Missouri to Australia flight tickets

Qantas Airways

Nov 2

MCI7:04 pmKansas City

40h 56m

1 stop

MEL5:00 amMelbourne

Nov 16

MEL12:25 pmMelbourne

42h 54m

2 stops

MCI2:19 pmKansas City

$1,072

Qantas Airways

Nov 9

STL6:02 amLambert-St Louis

33h 58m

1 stop

SYD9:00 amSydney Kingsford Smith

Nov 19

SYD5:50 pmSydney Kingsford Smith

41h 25m

2 stops

STL6:15 pmLambert-St Louis

$1,089

Qantas Airways

Oct 20

STL7:10 pmLambert-St Louis

41h 50m

1 stop

MEL5:00 amMelbourne

Nov 3

MEL12:00 pmMelbourne

22h 54m

1 stop

STL5:54 pmLambert-St Louis

$1,108

Air New Zealand flights from Missouri to Australia

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

Air New Zealand

Oct 11

STL12:10 pmLambert-St Louis

28h 10m

2 stops

SYD8:20 amSydney Kingsford Smith

Oct 19

SYD10:20 amSydney Kingsford Smith

25h 40m

2 stops

STL8:00 pmLambert-St Louis

$1,176

Air New Zealand

Oct 11

STL12:10 pmLambert-St Louis

28h 10m

2 stops

SYD8:20 amSydney Kingsford Smith

Oct 20

SYD10:20 amSydney Kingsford Smith

22h 17m

2 stops

STL4:37 pmLambert-St Louis

$1,178

Air New Zealand

Oct 13

STL1:36 pmLambert-St Louis

26h 44m

2 stops

SYD8:20 amSydney Kingsford Smith

Oct 20

SYD10:20 amSydney Kingsford Smith

22h 17m

2 stops

STL4:37 pmLambert-St Louis

$1,179

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityMelbourne

MCI - MEL

MCIMEL

Kansas City

Mon 11/2

7:04 pm-5:00 am

1 stop40h 56m

Melbourne

Mon 11/16

12:25 pm-2:19 pm

2 stops42h 54m

$1,072

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Mon 11/9

6:02 am-9:00 am

1 stop33h 58m

Sydney Kingsford Smith

Thu 11/19

5:50 pm-6:15 pm

2 stops41h 25m

$1,089

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Sun 8/30

7:11 pm-7:20 am

2 stops45h 09m

Sydney Kingsford Smith

Tue 9/8

9:20 am-12:38 pm

2 stops42h 18m

$1,097

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sun 10/25

4:05 pm-7:45 am

2 stops48h 40m

Brisbane

Wed 11/18

10:45 am-3:26 pm

2 stops44h 41m

$1,098

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Sun 8/30

7:11 pm-7:20 am

2 stops45h 09m

Sydney Kingsford Smith

Tue 9/8

9:20 am-12:20 pm

3 stops42h 00m

$1,105

Quickest round-trip

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/27

5:40 am-5:00 am

1 stop31h 20m

Melbourne

Wed 11/11

10:45 pm-8:07 am

2 stops26h 22m

$1,122

St. LouisMelbourne

STL - AVV

STLAVV

Lambert-St Louis

Tue 10/20

2:40 pm-4:05 pm

3 stops33h 25m

Melbourne Avalon

Tue 11/3

6:00 am-3:26 pm

3 stops50h 26m

$1,124

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sun 10/25

4:05 pm-7:45 am

2 stops48h 40m

Brisbane

Wed 11/18

6:10 am-3:26 pm

3 stops49h 16m

$1,128

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/20

6:04 am-6:45 am

1 stop32h 41m

Melbourne

Tue 10/27

10:45 pm-9:20 am

2 stops26h 35m

$1,131

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/20

7:20 pm-8:50 am

2 stops45h 30m

Melbourne

Tue 10/27

11:00 am-11:48 pm

2 stops28h 48m

$1,140

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 May is, on average, the cheapest month to fly to Australia from Missouri, with most prices found around $1,118. If you aren’t able to travel during the month of May, then book flights to Australia from Missouri during February instead. Flights to Australia in February, while not as cheap as those in May, still average around $1,262.

Can stopping save me money on Missouri to Australia flights?

You could potentially save up to 19% 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 20m
Direct flights	None

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

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 July 2026, there are 5 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
Qantas Airways	PriceFrom $857	Free Cancellation	Rating 7.5 1,067 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $894	Free Cancellation	Rating 7.1 11,382 reviews	Search Air Canada flights
Delta	PriceFrom $917	Free Cancellation	Rating 7.8 8,488 reviews	Search Delta flights
American Airlines	PriceFrom $962	Free Cancellation	Rating 7.1 11,851 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,006	Free Cancellation	Rating 7.4 10,034 reviews	Search United 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.