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

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

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 40% 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 38m on average. Another popular route from Missouri to Australia is flying from St. Louis to Sydney, which will take roughly 24h 05m. Keep in mind that layovers or delays could extend your travel time.

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 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.

$586 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.

5:18 pm - 6:30 amSTL Lambert-St Louis-BNE Brisbane

21h 12m1 stop Dallas/Fort Worth

6:30 pm - 6:11 pmBNE Brisbane-STL Lambert-St Louis

39h 41m2 stops Auckland Intl Dallas/Fort Worth

$1,088Qantas Airways

Mon, Feb 8 - Fri, Feb 12

5:07 pm - 6:55 amMCI Kansas City-SYD Sydney Kingsford Smith

20h 48m1 stop Dallas/Fort Worth

7:15 pm - 4:30 pmSYD Sydney Kingsford Smith-MCI Kansas City

38h 15m2 stops Auckland Intl Dallas/Fort Worth

$1,095Qantas Airways

Mon, Feb 1 - Mon, Feb 15

3:20 pm - 5:00 amSTL Lambert-St Louis-MEL Melbourne

21h 40m1 stop Dallas/Fort Worth

10:45 pm - 9:20 amMEL Melbourne-STL Lambert-St Louis

26h 35m2 stops Los Angeles Dallas/Fort Worth

$1,146American Airlines

Wed, Oct 21 - Wed, Oct 28

11:32 am - 5:00 amSTL Lambert-St Louis-MEL Melbourne

25h 28m2 stops Chicago O'Hare Intl Dallas/Fort Worth

10:45 pm - 9:30 amMEL Melbourne-STL Lambert-St Louis

27h 45m2 stops Los Angeles Dallas/Fort Worth

$1,146American Airlines

Tue, Oct 27 - Wed, Nov 11

7:05 pm - 9:30 amSTL Lambert-St Louis-MEL Melbourne

22h 25m1 stop San Francisco

11:30 am - 6:05 pmMEL Melbourne-STL Lambert-St Louis

23h 35m2 stops Los Angeles San Francisco

$1,165United Airlines

Mon, Oct 26 - Wed, Nov 11

7:05 pm - 9:30 amSTL Lambert-St Louis-MEL Melbourne

22h 25m1 stop San Francisco

12:45 pm - 6:05 pmMEL Melbourne-STL Lambert-St Louis

22h 20m1 stop San Francisco

$1,165United Airlines

Sun, Oct 25 - Wed, Nov 11

12:50 pm - 12:50 pmMCI Kansas City-SYD Sydney Kingsford Smith

31h 00m2 stops Houston George Bush Intcntl Auckland Intl

11:50 am - 10:07 pmSYD Sydney Kingsford Smith-MCI Kansas City

27h 17m2 stops Auckland Intl Houston George Bush Intcntl

$1,238Air New Zealand

Mon, Feb 1 - Mon, Feb 15

11:00 am - 8:35 amSTL Lambert-St Louis-SYD Sydney Kingsford Smith

28h 35m2 stops Houston George Bush Intcntl Auckland Intl

7:25 pm - 10:15 pmSYD Sydney Kingsford Smith-STL Lambert-St Louis

43h 50m2 stops Auckland Intl San Francisco

$1,257Air New Zealand

Mon, Nov 9 - Tue, Nov 24

12:00 pm - 8:30 amSTL Lambert-St Louis-BNE Brisbane

28h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 am - 6:13 pmBNE Brisbane-STL Lambert-St Louis

23h 33m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,300Delta

Fri, Nov 6 - Fri, Nov 13

7:05 am - 8:30 amMCI Kansas City-SYD Sydney Kingsford Smith

32h 25m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 am - 11:28 pmSYD Sydney Kingsford Smith-MCI Kansas City

29h 48m2 stops Los Angeles Minneapolis St Paul

$1,315Delta

Mon, Nov 23 - Mon, Dec 7

Cheap last minute flights

Enter your travel dates to find the best prices.

8:30 am - 8:45 amMCI Kansas City-SYD Sydney Kingsford Smith

33h 15m2 stops Houston George Bush Intcntl Auckland Intl

9:55 am - 6:07 pmSYD Sydney Kingsford Smith-MCI Kansas City

48h 12m2 stops Auckland Intl San Francisco

$1,350Air New Zealand

Sat, Sep 12 - Sat, Oct 31

5:24 pm - 10:15 pmMCI Kansas City-MEL Melbourne

37h 51m2 stops Dallas/Fort Worth Hong Kong Intl

7:25 am - 11:24 pmMEL Melbourne-MCI Kansas City

30h 59m2 stops Hong Kong Intl Dallas/Fort Worth

$1,522Cathay Pacific

Mon, Sep 14 - Mon, Sep 21

5:00 am - 8:10 pmMCI Kansas City-SYD Sydney Kingsford Smith

48h 10m2 stops Chicago O'Hare Intl Hong Kong Intl

7:40 am - 11:24 pmSYD Sydney Kingsford Smith-MCI Kansas City

30h 44m2 stops Hong Kong Intl Dallas/Fort Worth

$1,529Cathay Pacific

Wed, Sep 16 - Wed, Sep 23

9:14 am - 7:20 amMCI Kansas City-SYD Sydney Kingsford Smith

31h 06m2 stops Denver Intl Vancouver Intl

9:20 am - 10:51 amSYD Sydney Kingsford Smith-MCI Kansas City

40h 31m2 stops Vancouver Intl Denver Intl

$1,576Air Canada

Mon, Sep 14 - Sat, Sep 19

5:24 pm - 10:15 amMCI Kansas City-MEL Melbourne

25h 51m2 stops Dallas/Fort Worth Sydney Kingsford Smith

1:35 pm - 10:19 pmMEL Melbourne-MCI Kansas City

23h 44m1 stop Dallas/Fort Worth

$1,665American Airlines

Mon, Sep 14 - Mon, Sep 21

2:27 pm - 6:55 amMCI Kansas City-SYD Sydney Kingsford Smith

25h 28m1 stop Dallas/Fort Worth

1:05 pm - 4:35 pmSYD Sydney Kingsford Smith-MCI Kansas City

19h 30m1 stop Dallas/Fort Worth

$1,871Qantas Airways

Sat, Sep 12 - Sat, Oct 31

3:29 pm - 6:55 amMCI Kansas City-SYD Sydney Kingsford Smith

24h 26m1 stop San Francisco

9:20 am - 2:12 pmSYD Sydney Kingsford Smith-MCI Kansas City

20h 52m1 stop Houston George Bush Intcntl

$2,161United Airlines

Sat, Sep 12 - Sat, Oct 31

5:24 pm - 6:55 amMCI Kansas City-SYD Sydney Kingsford Smith

22h 31m1 stop Dallas/Fort Worth

12:00 pm - 4:39 pmSYD Sydney Kingsford Smith-MCI Kansas City

19h 39m1 stop Dallas/Fort Worth

$2,211Qantas Airways

Mon, Sep 14 - Wed, Sep 16

3:29 pm - 6:30 amMCI Kansas City-BNE Brisbane

24h 01m1 stop San Francisco

9:30 pm - 3:39 pmBNE Brisbane-MCI Kansas City

33h 09m2 stops Melbourne Los Angeles

$2,285United Airlines

Sun, Sep 13 - Tue, Sep 15

6:30 am - 5:00 amSTL Lambert-St Louis-BNE Brisbane

31h 30m1 stop Los Angeles

8:35 pm - 9:24 amBNE Brisbane-STL Lambert-St Louis

27h 49m2 stops Los Angeles Dallas/Fort Worth

$2,611American Airlines

Tue, Sep 15 - Thu, Sep 17

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Air New Zealand flights from Missouri to Australia

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

Air New Zealand

Nov 9

STL11:00 amLambert-St Louis

28h 35m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 24

SYD7:25 pmSydney Kingsford Smith

43h 50m

2 stops

STL10:15 pmLambert-St Louis

$1,257

Air New Zealand

Nov 1

MCI8:30 amKansas City

33h 25m

2 stops

MEL10:55 amMelbourne

Nov 15

MEL12:10 pmMelbourne

27h 05m

2 stops

MCI10:15 pmKansas City

$1,268

Air New Zealand

Feb 8

STL3:03 pmLambert-St Louis

26h 32m

2 stops

SYD10:35 amSydney Kingsford Smith

Feb 20

SYD11:50 amSydney Kingsford Smith

27h 05m

2 stops

STL9:55 pmLambert-St Louis

$1,286

Delta flights from Missouri to Australia

Our best Delta deals on Missouri to Australia flight tickets

Delta

Nov 6

STL12:00 pmLambert-St Louis

28h 30m

2 stops

BNE8:30 amBrisbane

Nov 13

BNE10:40 amBrisbane

23h 33m

2 stops

STL6:13 pmLambert-St Louis

$1,300

Delta

Nov 21

MCI5:41 pmKansas City

45h 49m

2 stops

SYD8:30 amSydney Kingsford Smith

Dec 7

SYD10:40 amSydney Kingsford Smith

21h 22m

1 stop

MCI3:02 pmKansas City

$1,331

Delta

Feb 5

STL5:45 pmLambert-St Louis

68h 05m

2 stops

SYD6:50 amSydney Kingsford Smith

Feb 24

SYD10:40 amSydney Kingsford Smith

39h 56m

2 stops

STL9:36 amLambert-St Louis

$1,353

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBrisbane

STL Lambert-St Louis - BNE Brisbane

STLBNE

Lambert-St Louis

Mon 2/8

5:18 pm-6:30 am

1 stop21h 12m

Brisbane

Fri 2/12

6:30 pm-6:11 pm

2 stops39h 41m

$1,088

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Mon 2/1

5:07 pm-6:55 am

1 stop20h 48m

Sydney Kingsford Smith

Mon 2/15

7:15 pm-4:30 pm

2 stops38h 15m

$1,095

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Wed 10/21

3:20 pm-5:00 am

1 stop21h 40m

Melbourne

Wed 10/28

10:45 pm-9:20 am

2 stops26h 35m

$1,146

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 10/27

11:32 am-5:00 am

2 stops25h 28m

Melbourne

Wed 11/11

10:45 pm-9:30 am

2 stops27h 45m

$1,146

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Mon 10/26

7:05 pm-9:30 am

1 stop22h 25m

Melbourne

Wed 11/11

11:30 am-6:05 pm

2 stops23h 35m

$1,165

Quickest round-trip

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Sun 10/25

7:05 pm-9:30 am

1 stop22h 25m

Melbourne

Wed 11/11

12:45 pm-6:05 pm

1 stop22h 20m

$1,165

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Mon 2/1

12:50 pm-12:50 pm

2 stops31h 00m

Sydney Kingsford Smith

Mon 2/15

11:50 am-10:07 pm

2 stops27h 17m

$1,238

St. LouisSydney

STL Lambert-St Louis - SYD Sydney Kingsford Smith

STLSYD

Lambert-St Louis

Mon 11/9

11:00 am-8:35 am

2 stops28h 35m

Sydney Kingsford Smith

Tue 11/24

7:25 pm-10:15 pm

2 stops43h 50m

$1,257

St. LouisBrisbane

STL Lambert-St Louis - BNE Brisbane

STLBNE

Lambert-St Louis

Fri 11/6

12:00 pm-8:30 am

2 stops28h 30m

Brisbane

Fri 11/13

10:40 am-6:13 pm

2 stops23h 33m

$1,300

Kansas CitySydney

MCI Kansas City - SYD Sydney Kingsford Smith

MCISYD

Kansas City

Mon 11/23

7:05 am-8:30 am

2 stops32h 25m

Sydney Kingsford Smith

Mon 12/7

10:40 am-11:28 pm

2 stops29h 48m

$1,315

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 $1,155. 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 $1,258.

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

Best Price Found	$586
Fastest flight time	20h 38m
Direct flights	None

The best one-way flight to Australia from Missouri in the past 72 hours is $586. The best round-trip flight deal from Missouri to Australia found on momondo in the last 72 hours is $1,088.

The fastest flight from Missouri to Australia takes 20h 38m

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 September 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 1,093 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $894	Free Cancellation	Rating 7.1 11,617 reviews	Search Air Canada flights
Delta	PriceFrom $917	Free Cancellation	Rating 7.8 8,563 reviews	Search Delta flights
American Airlines	PriceFrom $962	Free Cancellation	Rating 7.1 12,049 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,006	Free Cancellation	Rating 7.4 10,206 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.