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Missouri

$578+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Australia to Missouri

Best flights from Australia to Missouri
Discover carefully curated flight deals from Australia to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This American Airlines deal was found by Cheapflights users on 12/20. 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 1/2912:10 pmBNE - MCI
2 stops20h 48mAmerican Airlines
Mon 2/25:49 pmMCI - BNE
2 stops43h 11mAmerican Airlines
Deal found 12/20$833
This United Airlines deal was found by Cheapflights users on 12/20. 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 1/1911:40 amBNE - MCI
2 stops27h 50mUnited Airlines
Thu 1/2911:29 amMCI - BNE
2 stops28h 01mUnited Airlines
Deal found 12/20$842
This Qantas Airways deal was found by Cheapflights users on 12/22. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/299:40 amBNE - MCI
1 stop23h 07mQantas Airways
Mon 2/25:49 pmMCI - BNE
1 stop20h 41mQantas Airways
Deal found 12/22$945
This Air Canada deal was found by Cheapflights users on 12/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/110:20 amSYD - STL
2 stops22h 36mMultiple Airlines
Mon 4/64:05 pmSTL - SYD
2 stops48h 15mMultiple Airlines
Deal found 12/21$1,066
This BYOjet deal was found by Cheapflights users on 12/22. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/110:20 amSYD - STL
2 stops22h 36mAir Canada
Mon 4/62:40 pmSTL - SYD
2 stops25h 40mAir Canada
Deal found 12/22$1,094
This Delta deal was found by Cheapflights users on 12/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1510:40 amSYD - STL
2 stops21h 08mDelta
Sat 3/145:57 pmSTL - SYD
2 stops45h 28mDelta
Deal found 12/23$1,183
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/411:40 amBNE - MCI
1 stop23h 33mUnited Airlines
Wed 2/111:42 pmMCI - BNE
2 stops25h 48mUnited Airlines
Deal found 12/21$842
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Thu 1/2911:40 amBNE - MCI
1 stop23h 33mUnited Airlines
Mon 2/210:30 amMCI - BNE
2 stops29h 00mUnited Airlines
Deal found 12/22$846
This Kissandfly.com deal was found by Cheapflights users on 12/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/198:20 amBNE - MCI
2 stops29h 07mQantas Airways
Thu 1/291:56 pmMCI - BNE
1 stop24h 34mQantas Airways
Deal found 12/20$1,148
This Air Canada deal was found by Cheapflights users on 12/23. 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 1/154:00 pmSYD - STL
2 stops40h 29mAir Canada
Sun 2/228:41 amSTL - SYD
2 stops55h 54mAir Canada
Deal found 12/23$1,149
This American Airlines deal was found by Cheapflights users on 12/23. 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.
Thu 1/1511:20 amSYD - STL
1 stop29h 39mAmerican Airlines
Wed 2/182:26 pmSTL - SYD
2 stops25h 34mAmerican Airlines
Deal found 12/23$1,165
This Ovago deal was found by Cheapflights users on 12/22. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/76:20 amSYD - MCI
2 stops23h 12mMultiple Airlines
Sat 2/212:02 pmMCI - SYD
1 stop23h 53mMultiple Airlines
Deal found 12/22$1,204
This Air Canada deal was found by Cheapflights users on 12/23. 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 1/154:00 pmSYD - STL
2 stops41h 55mAir Canada
Sun 3/154:05 pmSTL - SYD
2 stops48h 30mAir Canada
Deal found 12/23$1,155
This Ovago deal was found by Cheapflights users on 12/22. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/77:05 amSYD - MCI
2 stops22h 27mQantas Airways
Sat 2/215:57 pmMCI - SYD
2 stops26h 03mQantas Airways
Deal found 12/22$1,193
This United Airlines deal was found by Cheapflights users on 12/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/412:00 pmMEL - STL
2 stops57h 50mUnited Airlines
Tue 4/149:10 amSTL - MEL
2 stops32h 05mUnited Airlines
Deal found 12/23$1,095
This American Airlines deal was found by Cheapflights users on 12/23. 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.
Fri 1/1611:20 amSYD - STL
1 stop29h 39mAmerican Airlines
Tue 2/176:30 amSTL - SYD
1 stop33h 30mAmerican Airlines
Deal found 12/23$1,215
This Air Canada deal was found by Cheapflights users on 12/20. 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 2/511:20 amSYD - MCI
2 stops21h 48mAir Canada
Mon 2/95:10 pmMCI - SYD
2 stops23h 25mAir Canada
Deal found 12/20$1,164
This American Airlines deal was found by Cheapflights users on 12/23. 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.
Thu 1/1511:20 amSYD - STL
1 stop29h 39mAmerican Airlines
Thu 3/126:38 amSTL - SYD
1 stop32h 47mAmerican Airlines
Deal found 12/23$1,222
This Air Canada deal was found by Cheapflights users on 12/23. 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.
Fri 1/1611:20 amSYD - STL
2 stops45h 09mAir Canada
Sun 2/228:41 amSTL - SYD
2 stops55h 54mAir Canada
Deal found 12/23$1,183
This Qantas Airways deal was found by Cheapflights users on 12/20. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:45 pmMEL - STL
2 stops38h 16mQantas Airways
Sun 2/226:50 pmSTL - MEL
2 stops24h 35mQantas Airways
Deal found 12/20$1,311
This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/810:40 amSYD - SGF
2 stops27h 03mDelta
Fri 3/136:00 amSGF - SYD
2 stops33h 30mDelta
Deal found 12/22$1,621
This American Airlines deal was found by Cheapflights users on 12/23. 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.
Wed 1/147:15 pmSYD - STL
2 stops37h 59mAmerican Airlines
Tue 2/176:30 amSTL - SYD
1 stop33h 30mAmerican Airlines
Deal found 12/23$1,228
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Sat 2/711:50 amSYD - MCI
1 stop19h 14mUnited Airlines
Sat 2/217:18 pmMCI - SYD
1 stop42h 02mUnited Airlines
Deal found 12/22$1,253
This Air Canada deal was found by Cheapflights users on 12/23. 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.
Fri 1/1611:20 amSYD - STL
2 stops45h 09mAir Canada
Thu 2/196:00 pmSTL - SYD
2 stops46h 35mAir Canada
Deal found 12/23$1,216
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Sat 4/411:55 amMEL - STL
2 stops37h 30mUnited Airlines
Wed 4/152:40 pmSTL - MEL
2 stops26h 35mUnited Airlines
Deal found 12/22$1,267
This Qantas Airways deal was found by Cheapflights users on 12/22. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/52:05 pmSYD - MCI
1 stop19h 42mQantas Airways
Mon 2/95:49 pmMCI - SYD
2 stops26h 11mQantas Airways
Deal found 12/22$1,550
This American Airlines deal was found by Cheapflights users on 12/20. 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 2/1812:00 pmMEL - STL
2 stops37h 52mAmerican Airlines
Sun 2/226:50 pmSTL - MEL
1 stop41h 10mAmerican Airlines
Deal found 12/20$1,534
This Qantas Airways deal was found by Cheapflights users on 12/22. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/81:05 pmSYD - SGF
1 stop23h 46mMultiple Airlines
Fri 3/132:19 pmSGF - SYD
2 stops26h 16mMultiple Airlines
Deal found 12/22$2,117
This Qantas Airways deal was found by Cheapflights users on 12/20. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/612:35 pmCNS - MCI
2 stops48h 52mQantas Airways
Mon 2/95:49 pmMCI - CNS
2 stops35h 11mQantas Airways
Deal found 12/20$1,650
This American Airlines deal was found by Cheapflights users on 12/20. 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 2/511:20 amSYD - MCI
2 stops38h 23mAmerican Airlines
Mon 2/91:56 pmMCI - SYD
1 stop23h 59mAmerican Airlines
Deal found 12/20$1,541

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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$833
(American Airlines)

One-way from

$578
(American Airlines)

Popular in

May

Cheapest in

August

Average price

$1,607
Provider with most accurate pricing for Sydney Kingsford Smith-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Lambert-St Louis flights.
Search Deals
From Australia to Missouri
Search Deals
One-way flight from Australia to Missouri
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 23, 2025.
Use the filters below to find and compare flights from Australia to Missouri that are best for you.

Fly from

Australia

Fly to

Missouri

Route

Depart

Return

Price

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Thu 1/29

12:10 pm-4:58 pm

2 stops20h 48m

Kansas City

Mon 2/2

5:49 pm-5:00 am

2 stops43h 11m

$833

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Mon 1/19

11:40 am-11:30 pm

2 stops27h 50m

Kansas City

Thu 1/29

11:29 am-7:30 am

2 stops28h 01m

$842

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Wed 2/4

11:40 am-7:13 pm

1 stop23h 33m

Kansas City

Wed 2/11

1:42 pm-7:30 am

2 stops25h 48m

$842

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Thu 1/29

11:40 am-7:13 pm

1 stop23h 33m

Kansas City

Mon 2/2

10:30 am-7:30 am

2 stops29h 00m

$846

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Thu 1/29

9:40 am-4:47 pm

1 stop23h 07m

Kansas City

Mon 2/2

5:49 pm-6:30 am

1 stop20h 41m

$945

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 4/1

10:20 am-4:56 pm

2 stops22h 36m

Lambert-St Louis

Mon 4/6

4:05 pm-7:20 am

2 stops48h 15m

$1,066

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 4/1

10:20 am-4:56 pm

2 stops22h 36m

Lambert-St Louis

Mon 4/6

2:40 pm-7:20 am

2 stops25h 40m

$1,094

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 4/4

12:00 pm-5:50 am

2 stops57h 50m

Lambert-St Louis

Tue 4/14

9:10 am-8:15 am

2 stops32h 05m

$1,095

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Mon 1/19

8:20 am-9:27 pm

2 stops29h 07m

Kansas City

Thu 1/29

1:56 pm-6:30 am

1 stop24h 34m

$1,148

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 1/15

4:00 pm-3:29 pm

2 stops40h 29m

Lambert-St Louis

Sun 2/22

8:41 am-9:35 am

2 stops55h 54m

$1,149

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 47 results
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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 $1,026). 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.

What is the cheapest time of day to fly from AU to MO?

Find hourly flight availability from Australia to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Australia to Missouri in the evening. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight at noon.

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 December 23, 2025.
Read reviews from past customers who have flown Qantas Airways and United Airlines from Australia to Missouri. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
949 reviews

Entertainment

7.2

Boarding

7.7

Food

7.0

Comfort

7.5

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Marco,Dec 2025

BOS - LAX

There was no WiFi or tv traveling from LAX to Sydney. Way too long of a flight to have nothing.
Qantas Airways
7.5
Good
949 reviews
Qantas Airways
7.5
Good
949 reviews

Entertainment

7.2

Boarding

7.7

Food

7.0

Comfort

7.5

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Marco,Dec 2025

BOS - LAX

There was no WiFi or tv traveling from LAX to Sydney. Way too long of a flight to have nothing.
United Airlines
7.4
Good
9,104 reviews
Qantas Airways
7.5
Good
949 reviews

Entertainment

7.2

Boarding

7.7

Food

7.0

Comfort

7.5

Crew

8.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Marco,Dec 2025

BOS - LAX

There was no WiFi or tv traveling from LAX to Sydney. Way too long of a flight to have nothing.

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 48m. American Airlines provides one of the quickest options available for as low as $833. The distance between Australia and Missouri is about 8521 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 $1,026). 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

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Alternative routes for Australia to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Australia to Missouri

Discover the top 2 airlines 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$822Average$1,431FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,110Average$1,789FlexibilityNo cancel feeOn-time74%

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