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

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 59m on average. Another popular route from Missouri to Australia is flying from St. Louis to Sydney, which will take roughly 23h 51m. 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 47% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 7 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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 September 2025, there are 7 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.

$578 Cheap Flights from Missouri to Australia in 2025/26

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Find the cheapest flights from Missouri to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

6:00 am - 9:30 amSTL-MEL

34h 30m1 stop

6:45 am - 11:08 pmMEL-STL

33h 23m2 stops

$955Qantas Airways

Find Deal

mié., feb. 4 - jue., feb. 26

6:13 pm - 5:15 pmSTL-MEL

30h 02m2 stops

12:00 pm - 11:57 pmMEL-STL

28h 57m1 stop

$977Qantas Airways

Find Deal

dom., nov. 16 - mié., dic. 3

3:03 pm - 5:30 amMCI-BNE

23h 27m1 stop

7:40 pm - 11:38 pmBNE-MCI

19h 58m2 stops

$1,057American Airlines

Find Deal

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

2:45 pm - 8:45 amSTL-BNE

26h 00m2 stops

10:45 am - 3:29 pmBNE-STL

44h 44m2 stops

$1,065Air Canada

Find Deal

sáb., feb. 28 - mar., mar. 3

6:00 am - 7:45 amMCI-BNE

34h 45m2 stops

9:45 am - 11:28 pmBNE-MCI

28h 43m2 stops

$1,068Air Canada

Find Deal

lun., mar. 9 - vie., mar. 13

7:18 pm - 7:30 amMCI-BNE

20h 12m1 stop

11:40 am - 11:28 pmBNE-MCI

27h 48m2 stops

$1,069United Airlines

Find Deal

mié., feb. 18 - sáb., mar. 7

5:29 pm - 6:30 amSTL-BNE

22h 01m1 stop

11:40 am - 4:27 pmBNE-STL

20h 47m1 stop

$1,069United Airlines

Find Deal

sáb., nov. 1 - sáb., nov. 8

5:58 pm - 12:30 pmSTL-SYD

25h 32m2 stops

2:10 pm - 7:30 pmSYD-STL

22h 20m2 stops

$1,145Fiji Airways

Find Deal

mar., nov. 11 - mar., nov. 25

5:54 pm - 12:45 pmSTL-MEL

25h 51m2 stops

2:30 pm - 10:24 pmMEL-STL

24h 54m2 stops

$1,172Fiji Airways

Find Deal

jue., feb. 5 - jue., feb. 26

4:20 pm - 6:55 amMCI-SYD

21h 35m1 stop

2:05 pm - 10:21 pmSYD-MCI

25h 16m1 stop

$1,206American Airlines

Find Deal

mar., ene. 20 - vie., feb. 20

United Airlines flights from Missouri to Australia

Our best United Airlines deals on Missouri to Australia flight tickets

United Airlines

Feb 18

MCI7:18 pmKansas City

20h 12m

1 stop

BNE7:30 amBrisbane

Mar 7

BNE11:40 amBrisbane

27h 48m

2 stops

MCI11:28 pmKansas City

$1,069

Find similar

United Airlines

Nov 22

MCI5:35 pmKansas City

21h 55m

1 stop

BNE7:30 amBrisbane

Dec 26

BNE11:40 amBrisbane

24h 29m

2 stops

MCI8:09 pmKansas City

$1,073

Find similar

United Airlines

Nov 22

MCI5:35 pmKansas City

21h 55m

1 stop

BNE7:30 amBrisbane

Dec 26

BNE11:40 amBrisbane

37h 38m

2 stops

MCI9:18 amKansas City

$1,089

Find similar

Fiji Airways flights from Missouri to Australia

Our best Fiji Airways deals on Missouri to Australia flight tickets

Fiji Airways

Nov 11

STL5:58 pmLambert-St Louis

25h 32m

2 stops

SYD12:30 pmSydney Kingsford Smith

Nov 25

SYD2:10 pmSydney Kingsford Smith

22h 20m

2 stops

STL7:30 pmLambert-St Louis

$1,145

Find similar

Fiji Airways

Feb 5

STL5:54 pmLambert-St Louis

25h 51m

2 stops

MEL12:45 pmMelbourne

Feb 26

MEL2:30 pmMelbourne

24h 54m

2 stops

STL10:24 pmLambert-St Louis

$1,172

Find similar

Fiji Airways

Feb 3

STL5:54 pmLambert-St Louis

25h 51m

2 stops

MEL12:45 pmMelbourne

Feb 26

MEL2:30 pmMelbourne

24h 54m

2 stops

STL10:24 pmLambert-St Louis

$1,184

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

mié. 2/4

6:00 am-9:30 am

1 stop34h 30m

Melbourne

jue. 2/26

6:45 am-11:08 pm

2 stops33h 23m

$955

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

dom. 11/16

6:13 pm-5:15 pm

2 stops30h 02m

Melbourne

mié. 12/3

12:00 pm-11:57 pm

1 stop28h 57m

$977

Kansas CityBrisbane

MCI - BNE

MCIBNE

Kansas City

vie. 10/31

3:03 pm-5:30 am

1 stop23h 27m

Brisbane

vie. 11/7

7:40 pm-11:38 pm

2 stops19h 58m

$1,057

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

sáb. 2/28

2:45 pm-8:45 am

2 stops26h 00m

Brisbane

mar. 3/3

10:45 am-3:29 pm

2 stops44h 44m

$1,065

Kansas CityBrisbane

MCI - BNE

MCIBNE

Kansas City

lun. 3/9

6:00 am-7:45 am

2 stops34h 45m

Brisbane

vie. 3/13

9:45 am-11:28 pm

2 stops28h 43m

$1,068

Kansas CityBrisbane

MCI - BNE

MCIBNE

Kansas City

mié. 2/18

7:18 pm-7:30 am

1 stop20h 12m

Brisbane

sáb. 3/7

11:40 am-11:28 pm

2 stops27h 48m

$1,069

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

sáb. 11/1

5:29 pm-6:30 am

1 stop22h 01m

Brisbane

sáb. 11/8

11:40 am-4:27 pm

1 stop20h 47m

$1,069

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

mar. 11/11

5:58 pm-12:30 pm

2 stops25h 32m

Sydney Kingsford Smith

mar. 11/25

2:10 pm-7:30 pm

2 stops22h 20m

$1,145

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

jue. 2/5

5:54 pm-12:45 pm

2 stops25h 51m

Melbourne

jue. 2/26

2:30 pm-10:24 pm

2 stops24h 54m

$1,172

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

mar. 1/20

4:20 pm-6:55 am

1 stop21h 35m

Sydney Kingsford Smith

vie. 2/20

2:05 pm-10:21 pm

1 stop25h 16m

$1,206

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 August is, on average, the cheapest month to fly to Australia from Missouri, with most prices found around $1,266. If you aren’t able to travel during the month of August, then book flights to Australia from Missouri during October instead. Flights to Australia in October, while not as cheap as those in August, still average around $1,359.

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

The cheapest day to depart from Missouri to Australia is on a Wednesday. Travelers who choose to depart for Australia on a Wednesday will often find tickets for as low as $1,392. On the other hand, Saturday is the most expensive day to depart from Missouri because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,518.

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

Flying to Australia from Missouri in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,440 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,882 on average. Flights to Australia from Missouri at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Australia?

You are more likely to see cheaper flights to Australia from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,472 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Missouri for as low as $1,295 on momondo.

Can stopping save me money on Missouri to Australia flights?

You could potentially save up to 17% 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

Direct flights	None

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

Search flight deals

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 September 2025, there are 7 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 $687	Free Cancellation	Rating 7.5 907 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $822	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Fiji Airways	PriceFrom $887	Free Cancellation	Rating 8.0 205 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $897	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,044	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,173	Free Cancellation	Rating 8.0 505 reviews	Search Air New Zealand flights
Delta	PriceFrom $1,211	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta 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.