Missouri

$700+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
Apr 26 — May 31
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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 March 27, 2026.

This Gotogate deal was found by Cheapflights users on 3/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:20 am
SYD
-
STL
2 stops41h 46m
Air Canada
Thu 5/147:05 am
STL
-
SYD
2 stops33h 15m
Air Canada
Deal found 3/23$937
This Air Canada deal was found by Cheapflights users on 3/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:20 am
SYD
-
STL
2 stops41h 46m
Air Canada
Thu 5/281:05 pm
STL
-
SYD
2 stops27h 15m
Air Canada
Deal found 3/22$944
This Gotogate deal was found by Cheapflights users on 3/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:20 am
SYD
-
STL
2 stops43h 40m
Air Canada
Wed 9/238:55 am
STL
-
SYD
2 stops55h 25m
Air Canada
Deal found 3/23$986
This Air Canada deal was found by Cheapflights users on 3/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:20 am
SYD
-
MCI
2 stops26h 23m
Air Canada
Mon 6/16:00 am
MCI
-
SYD
2 stops34h 20m
Air Canada
Deal found 3/22$993
This Air Canada deal was found by Cheapflights users on 3/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:45 am
BNE
-
MCI
2 stops28h 52m
Air Canada
Mon 11/26:00 am
MCI
-
BNE
2 stops34h 45m
Air Canada
Deal found 3/22$1,003
This Air Canada deal was found by Cheapflights users on 3/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
MEL
-
STL
3 stops45h 06m
Air Canada
Mon 5/112:15 pm
STL
-
MEL
3 stops30h 20m
Air Canada
Deal found 3/23$1,089
This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:35 pm
MEL
-
STL
1 stop20h 55m
Qantas Airways
Mon 5/183:38 pm
STL
-
MEL
1 stop22h 22m
Qantas Airways
Deal found 3/26$1,097
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 5/89:00 am
MEL
-
STL
2 stops23h 21m
American Airlines
Fri 5/156:11 pm
STL
-
MEL
2 stops25h 24m
American Airlines
Deal found 3/24$1,103
This American Airlines deal was found by Cheapflights users on 3/26. 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 5/111:35 pm
MEL
-
STL
2 stops23h 44m
American Airlines
Mon 5/1812:27 pm
STL
-
MEL
2 stops25h 33m
American Airlines
Deal found 3/26$1,122
This American Airlines deal was found by Cheapflights users on 3/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:15 am
SYD
-
SGF
2 stops23h 15m
American Airlines
Mon 11/96:34 pm
SGF
-
SYD
2 stops45h 26m
American Airlines
Deal found 3/22$1,149
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 7/3110:55 am
MEL
-
STL
1 stop22h 22m
United Airlines
Sun 9/61:18 pm
STL
-
MEL
2 stops27h 57m
United Airlines
Deal found 3/24$1,163
This Jettzy deal was found by Cheapflights users on 3/23. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:35 pm
MEL
-
STL
1 stop19h 39m
Qantas Airways
Sun 9/276:30 am
STL
-
MEL
1 stop33h 15m
Qantas Airways
Deal found 3/23$1,165

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 March 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$937
(Gotogate)

One-way from

$700
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$1,198
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. 2% potential increase in price ($35 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in March 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 March 27, 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

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/20

9:20 am-12:06 pm

2 stops41h 46m

Lambert-St Louis

Thu 5/28

1:05 pm-7:20 am

2 stops27h 15m

$944

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 5/28

9:20 am-8:43 pm

2 stops26h 23m

Kansas City

Mon 6/1

6:00 am-7:20 am

2 stops34h 20m

$993

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 5/11

1:35 pm-7:30 pm

1 stop20h 55m

Lambert-St Louis

Mon 5/18

3:38 pm-5:00 am

1 stop22h 22m

$1,097

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 5/11

1:35 pm-10:19 pm

2 stops23h 44m

Lambert-St Louis

Mon 5/18

9:34 am-5:00 am

1 stop28h 26m

$1,122

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 9/7

10:55 am-6:24 pm

1 stop22h 29m

Lambert-St Louis

Sun 9/27

8:15 pm-7:30 am

2 stops44h 15m

$1,174

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/20

9:10 am-11:59 pm

1 stop29h 49m

Lambert-St Louis

Thu 5/28

2:36 pm-7:05 am

2 stops25h 29m

$1,202

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 5/7

9:10 am-11:59 pm

1 stop29h 49m

Lambert-St Louis

Thu 5/14

6:21 am-7:05 am

1 stop33h 44m

$1,207

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 9/7

9:00 am-11:51 pm

3 stops29h 51m

Lambert-St Louis

Sun 9/27

6:51 pm-11:10 am

2 stops25h 19m

$1,222

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 7/23

6:00 am-2:02 pm

2 stops47h 02m

Lambert-St Louis

Tue 7/28

8:55 am-11:35 am

2 stops35h 40m

$1,290

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sun 5/10

9:20 am-8:43 pm

2 stops50h 23m

Lambert-St Louis

Sun 5/17

2:15 pm-7:20 am

2 stops50h 05m

$1,294

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 47 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, December is the cheapest month in which you can book a flight from Australia to Missouri (average of $604). Flying from Australia to Missouri in April is currently the most expensive (average of $1,098). 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 March 27, 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.

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 20h 55m. Air Canada provides one of the quickest options available for as low as $1,097. The distance between Australia and Missouri is about 9479 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, December is the cheapest month in which you can book a flight from Australia to Missouri (average of $604). Flying from Australia to Missouri in April is currently the most expensive (average of $1,098). 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 March 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$822Average$1,483FlexibilityNo cancel feeOn-time69%

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