Missouri

$595+ Cheap flights from Australia to Missouri

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — MCI
Jul 26 — Aug 21
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Cheap flight deals from Australia to Missouri

Cheapest flights from Australia to Missouri
Explore the most affordable flight options available from Australia to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2026.

This United Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:55 am
MEL
-
STL
2 stops45h 47m
United Airlines
Mon 8/313:35 pm
STL
-
MEL
2 stops24h 55m
United Airlines
Deal found 6/24$941
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:00 pm
SYD
-
STL
1 stop19h 28m
American Airlines
Thu 9/36:00 am
STL
-
SYD
1 stop34h 05m
American Airlines
Deal found 6/25$964
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:10 am
SYD
-
STL
2 stops24h 22m
American Airlines
Wed 9/210:16 am
STL
-
SYD
2 stops29h 49m
American Airlines
Deal found 6/25$980
This American Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:10 am
SYD
-
STL
1 stop28h 49m
American Airlines
Mon 8/173:32 pm
STL
-
SYD
2 stops24h 33m
American Airlines
Deal found 6/26$981
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:50 pm
SYD
-
STL
1 stop21h 09m
American Airlines
Wed 9/212:45 pm
STL
-
SYD
2 stops27h 20m
American Airlines
Deal found 6/25$988
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:10 am
SYD
-
STL
1 stop29h 49m
American Airlines
Thu 8/203:35 pm
STL
-
SYD
1 stop24h 20m
American Airlines
Deal found 6/23$991
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/79:30 am
SYD
-
STL
2 stops22h 03m
United Airlines
Wed 9/210:53 am
STL
-
SYD
2 stops29h 07m
United Airlines
Deal found 6/25$998
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:30 am
SYD
-
MCI
2 stops27h 24m
United Airlines
Mon 8/174:20 pm
MCI
-
SYD
1 stop23h 40m
United Airlines
Deal found 6/25$999
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:40 am
BNE
-
MCI
2 stops25h 33m
American Airlines
Mon 11/911:29 am
MCI
-
BNE
2 stops27h 01m
American Airlines
Deal found 6/24$1,011
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/209:30 am
SYD
-
STL
2 stops26h 13m
United Airlines
Mon 7/271:13 pm
STL
-
SYD
2 stops26h 42m
United Airlines
Deal found 6/22$1,014
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:40 am
BNE
-
MCI
2 stops27h 43m
American Airlines
Thu 12/311:36 am
MCI
-
BNE
2 stops26h 14m
American Airlines
Deal found 6/21$1,028
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/139:10 am
SYD
-
STL
2 stops27h 38m
American Airlines
Fri 9/46:00 am
STL
-
SYD
1 stop34h 05m
American Airlines
Deal found 6/25$1,029

Find flight deals from Australia to Missouri

Keep the following information in mind while searching for Australia to Missouri flight deals. Data was last updated June 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$941
(United Airlines)

One-way from

$595
(SmartFares)

Popular in

July

Cheapest in

September

Average price

$1,572
Provider with most accurate pricing for Sydney Kingsford Smith-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Lambert-St Louis flights.
From Australia to Missouri
One-way flight from Australia to Missouri
Highest demand for flights based on searches. 9% potential increase in price ($135 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 26, 2026.
Use the filters below to find and compare flights from Australia to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 8/1

10:55 am-5:42 pm

2 stops45h 47m

Lambert-St Louis

Mon 8/31

3:35 pm-7:30 am

2 stops24h 55m

$941

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 7/7

10:20 am-6:17 pm

1 stop22h 57m

Lambert-St Louis

Mon 8/31

1:36 pm-6:55 am

2 stops26h 19m

$998

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Mon 8/10

9:30 am-10:31 pm

2 stops28h 01m

Kansas City

Mon 8/17

5:13 pm-7:00 am

2 stops22h 47m

$999

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Thu 11/5

9:40 am-7:13 pm

2 stops25h 33m

Kansas City

Mon 11/9

11:29 am-6:30 am

2 stops27h 01m

$1,011

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 7/20

9:30 am-11:57 pm

2 stops29h 27m

Lambert-St Louis

Mon 7/27

7:23 pm-6:55 am

1 stop20h 32m

$1,014

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Thu 11/19

9:40 am-12:50 pm

1 stop19h 10m

Kansas City

Thu 12/3

6:44 am-5:50 am

2 stops31h 06m

$1,028

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 8/10

9:15 am-6:55 pm

2 stops24h 40m

Lambert-St Louis

Mon 8/17

7:00 am-6:50 am

2 stops32h 50m

$1,040

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 7/23

9:30 am-4:22 pm

2 stops21h 52m

Kansas City

Thu 8/6

11:33 am-7:00 am

2 stops28h 27m

$1,052
Quickest round-trip

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 8/6

12:00 pm-4:29 pm

1 stop19h 29m

Kansas City

Thu 8/13

7:17 pm-6:55 am

1 stop20h 38m

$1,059

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 8/6

9:30 am-6:27 pm

2 stops23h 57m

Kansas City

Thu 8/13

3:14 pm-7:00 am

2 stops24h 46m

$1,063

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 51 resultsSorted by cheapest first
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Best time to book a flight from Australia to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Australia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to Missouri

What is the cheapest month to book a flight from Australia to Missouri?

Currently, April is the cheapest month in which you can book a flight from Australia to Missouri (average of $707). Flying from Australia to Missouri in March is currently the most expensive (average of $1,176). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated June 26, 2026.
Read reviews from past customers who have flown United Airlines from Australia to Missouri. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

Find useful and relevant information for your journey from Australia to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Australia to Missouri?

    A quick flight from Australia to Missouri can take about 24h 40m. United Airlines provides one of the quickest options available for as low as $1,040. The distance between Australia and Missouri is about 9054 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Australia to Missouri that include hotel bookings?

    Yes. In addition to deals on Australia to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Australia to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Missouri.

  • Can I find deals for business class flights from Australia to Missouri?

    Yes. Cheapflights offers flight deals from Australia to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to Missouri?

    Currently, April is the cheapest month in which you can book a flight from Australia to Missouri (average of $707). Flying from Australia to Missouri in March is currently the most expensive (average of $1,176). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Australia to Missouri

Discover the top airline that operate flights from Australia to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$822Average$1,483FlexibilityNo cancel feeOn-time69%

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