Missouri

$442+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
Mar 8 — Mar 151
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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 February 6, 2026.

This American Airlines deal was found by Cheapflights users on 2/3. 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 2/47:40 pm
BNE
-
MCI
2 stops31h 25m
American Airlines
Sun 2/810:23 am
MCI
-
BNE
2 stops52h 07m
American Airlines
Deal found 2/3$706
This Booking.com deal was found by Cheapflights users on 2/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:20 am
SYD
-
STL
2 stops49h 44m
Air Canada
Thu 6/47:30 am
STL
-
SYD
2 stops32h 50m
Air Canada
Deal found 2/6$881
This Delta deal was found by Cheapflights users on 2/5. 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 3/229:10 am
MEL
-
STL
2 stops31h 11m
Delta
Sun 3/292:12 pm
STL
-
MEL
2 stops50h 38m
Delta
Deal found 2/5$894
This Delta deal was found by Cheapflights users on 2/6. 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.
Mon 3/239:40 am
SYD
-
STL
2 stops27h 26m
Delta
Mon 3/307:03 am
STL
-
SYD
2 stops32h 47m
Delta
Deal found 2/6$915
This Mytrip deal was found by Cheapflights users on 2/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:20 am
SYD
-
MCI
2 stops28h 57m
Air Canada
Mon 10/56:00 am
MCI
-
SYD
2 stops34h 20m
Air Canada
Deal found 2/4$920
This American Airlines deal was found by Cheapflights users on 2/5. 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.
Sun 3/2212:00 pm
MEL
-
STL
1 stop27h 58m
American Airlines
Sun 3/292:31 pm
STL
-
MEL
2 stops24h 14m
American Airlines
Deal found 2/5$948
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Sat 3/214:05 pm
MEL
-
STL
1 stop22h 53m
American Airlines
Sat 3/289:35 am
STL
-
MEL
1 stop27h 25m
American Airlines
Deal found 2/4$949
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Sat 3/284:05 pm
MEL
-
STL
1 stop19h 37m
American Airlines
Sat 4/411:46 am
STL
-
MEL
1 stop26h 14m
American Airlines
Deal found 2/4$951
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Sat 3/284:05 pm
MEL
-
STL
1 stop22h 53m
American Airlines
Sun 4/56:38 am
STL
-
MEL
1 stop33h 07m
American Airlines
Deal found 2/4$960
This Air Canada deal was found by Cheapflights users on 2/4. 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.
Tue 2/1711:20 am
SYD
-
MCI
2 stops21h 59m
Air Canada
Sat 2/215:21 pm
MCI
-
SYD
2 stops47h 14m
Air Canada
Deal found 2/4$973
This KAYAK deal was found by Cheapflights users on 2/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/284:05 pm
MEL
-
STL
1 stop19h 37m
Qantas Airways
Sat 4/411:46 am
STL
-
MEL
1 stop26h 14m
Qantas Airways
Deal found 2/5$976
This American Airlines deal was found by Cheapflights users on 2/2. 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 2/1911:20 am
SYD
-
STL
2 stops25h 09m
American Airlines
Mon 2/238:00 am
STL
-
SYD
2 stops32h 00m
American Airlines
Deal found 2/2$1,042

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 February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$881
(Booking.com)

One-way from

$442
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,256
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. 6% potential increase in price ($89 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 February 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 February 6, 2026.
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

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 5/14

9:20 am-8:04 pm

2 stops49h 44m

Lambert-St Louis

Thu 6/4

7:30 am-7:20 am

2 stops32h 50m

$891

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sun 3/22

9:10 am-12:21 am

2 stops31h 11m

Lambert-St Louis

Sun 3/29

2:12 pm-8:50 am

2 stops50h 38m

$894

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 2/19

11:20 am-11:17 pm

2 stops28h 57m

Kansas City

Mon 10/5

6:00 am-8:20 am

2 stops34h 20m

$920

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 3/21

4:05 pm-10:58 pm

1 stop22h 53m

Lambert-St Louis

Sat 3/28

9:35 am-5:00 am

1 stop27h 25m

$949

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 3/28

4:05 pm-7:42 pm

1 stop19h 37m

Lambert-St Louis

Sat 4/4

11:46 am-5:00 am

1 stop26h 14m

$951

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 3/28

4:05 pm-7:42 pm

1 stop19h 37m

Lambert-St Louis

Sun 4/5

2:31 pm-6:45 am

2 stops25h 14m

$955

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Tue 2/17

11:20 am-11:17 pm

2 stops28h 57m

Kansas City

Sat 2/21

5:21 pm-9:35 am

2 stops47h 14m

$973

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 3/28

4:05 pm-7:42 pm

1 stop19h 37m

Lambert-St Louis

Sat 4/4

11:46 am-5:00 am

1 stop26h 14m

$976

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 2/19

11:20 am-7:29 pm

2 stops25h 09m

Lambert-St Louis

Mon 2/23

8:00 am-9:00 am

2 stops32h 00m

$1,042

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sat 3/7

11:20 am-8:45 pm

2 stops26h 25m

Lambert-St Louis

Sun 3/22

4:05 pm-8:35 am

2 stops48h 30m

$1,059

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 48 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.

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 February 6, 2026.
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.

Crew

8.2

Food

7.0

Boarding

7.7

Entertainment

7.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Warwick,Feb 2026

SYD - MEL

Poor. Very long delayed boarding. Laughable attempt to roll out demarcation stairs. One person trying to push in place but too heavy.

Crew

8.2

Food

7.0

Boarding

7.7

Entertainment

7.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Warwick,Feb 2026

SYD - MEL

Poor. Very long delayed boarding. Laughable attempt to roll out demarcation stairs. One person trying to push in place but too heavy.

Crew

8.2

Food

7.0

Boarding

7.7

Entertainment

7.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
4.0
Okay

Warwick,Feb 2026

SYD - MEL

Poor. Very long delayed boarding. Laughable attempt to roll out demarcation stairs. One person trying to push in place but too heavy.

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 22h 53m. Air Canada provides one of the quickest options available for as low as $949. 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 $1,026). 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

Browse thousands of different options on Cheapflights for your next trip

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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 February 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$822Average$1,431FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,110Average$1,789FlexibilityNo cancel feeOn-time74%

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