Missouri

$489+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
May 10 — May 171
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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 April 10, 2026.

This BYOjet deal was found by Cheapflights users on 4/8. 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 5/68:30 pm
MEL
-
STL
3 stops38h 39m
Air Canada
Wed 5/132:15 pm
STL
-
MEL
3 stops30h 20m
Air Canada
Deal found 4/8$1,110
This American Airlines deal was found by Cheapflights users on 4/8. 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 5/69:45 am
MEL
-
STL
1 stop29h 12m
American Airlines
Wed 5/1312:27 pm
STL
-
MEL
1 stop25h 33m
American Airlines
Deal found 4/8$1,126
This Ovago deal was found by Cheapflights users on 4/8. 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 5/231:35 pm
MEL
-
STL
1 stop19h 55m
Qantas Airways
Sat 5/305:11 pm
STL
-
MEL
1 stop20h 49m
Qantas Airways
Deal found 4/8$1,131
This American Airlines deal was found by Cheapflights users on 4/8. 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 5/239:45 am
MEL
-
STL
2 stops22h 49m
American Airlines
Sat 5/301:45 pm
STL
-
MEL
2 stops26h 00m
American Airlines
Deal found 4/8$1,136
This United Airlines deal was found by Cheapflights users on 4/8. 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 5/610:55 am
MEL
-
STL
1 stop22h 27m
United Airlines
Wed 5/137:06 pm
STL
-
MEL
1 stop22h 09m
United Airlines
Deal found 4/8$1,137
This Delta deal was found by Cheapflights users on 4/8. 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.
Wed 5/610:00 am
MEL
-
STL
2 stops28h 35m
Delta
Wed 5/1310:19 am
STL
-
MEL
2 stops30h 31m
Delta
Deal found 4/8$1,144
This Air Canada deal was found by Cheapflights users on 4/8. 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 5/68:50 pm
MEL
-
STL
3 stops38h 19m
Multiple Airlines
Wed 5/132:15 pm
STL
-
MEL
3 stops30h 05m
Multiple Airlines
Deal found 4/8$1,157
This Air Canada deal was found by Cheapflights users on 4/7. 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 5/296:00 am
MEL
-
STL
3 stops45h 06m
Air Canada
Tue 6/22:15 pm
STL
-
MEL
3 stops29h 50m
Air Canada
Deal found 4/7$1,168
This BYOjet deal was found by Cheapflights users on 4/10. 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 5/209:20 am
SYD
-
STL
2 stops26h 05m
Air Canada
Thu 6/114:48 pm
STL
-
SYD
2 stops23h 32m
Air Canada
Deal found 4/10$1,209
This BYOjet deal was found by Cheapflights users on 4/9. 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.
Mon 5/189:20 am
SYD
-
STL
2 stops26h 05m
Air Canada
Mon 6/84:48 pm
STL
-
SYD
2 stops23h 32m
Air Canada
Deal found 4/9$1,210
This Air Canada deal was found by Cheapflights users on 4/7. 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 5/281:38 pm
STL
-
SYD
2 stops26h 42m
Air Canada
Deal found 4/7$1,232
This Justfly.com deal was found by Cheapflights users on 4/8. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:20 am
SYD
-
MCI
2 stops42h 23m
Air Canada
Wed 6/39:10 am
MCI
-
SYD
2 stops31h 10m
Air Canada
Deal found 4/8$1,236

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 April 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,110
(BYOjet)

One-way from

$489
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$1,640
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. 7% potential increase in price ($112 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 10, 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

Fri 5/29

6:00 am-12:06 pm

3 stops45h 06m

Lambert-St Louis

Tue 6/2

2:15 pm-11:05 am

3 stops29h 50m

$1,168

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Wed 5/27

9:20 am-12:43 pm

2 stops42h 23m

Kansas City

Wed 6/3

9:10 am-7:20 am

2 stops31h 10m

$1,236

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/20

9:20 am-8:25 pm

2 stops26h 05m

Lambert-St Louis

Fri 6/12

4:48 pm-7:20 am

2 stops23h 32m

$1,256

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Tue 5/5

9:20 am-11:59 pm

2 stops29h 39m

Kansas City

Sat 5/9

5:17 pm-7:20 am

2 stops47h 03m

$1,304

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Wed 5/6

9:00 am-7:21 pm

2 stops25h 21m

Kansas City

Wed 5/13

2:33 pm-9:20 am

2 stops27h 47m

$1,362

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 5/19

9:30 am-4:39 pm

2 stops22h 09m

Lambert-St Louis

Tue 6/16

1:38 pm-7:00 am

2 stops26h 22m

$1,448
Quickest round-trip

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Wed 5/27

12:00 pm-6:55 pm

1 stop21h 55m

Kansas City

Wed 6/3

7:46 pm-6:55 am

1 stop20h 09m

$1,451

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 5/19

10:20 am-6:22 pm

1 stop23h 02m

Lambert-St Louis

Tue 6/9

7:23 pm-6:55 am

1 stop20h 32m

$1,452

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/20

9:10 am-11:59 pm

1 stop29h 49m

Lambert-St Louis

Thu 6/11

6:35 am-7:05 am

1 stop33h 30m

$1,467

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sun 5/3

9:15 am-9:19 pm

2 stops27h 04m

Lambert-St Louis

Sun 5/10

1:27 pm-6:50 am

2 stops26h 23m

$1,497

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 56 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, May is the cheapest month in which you can book a flight from Australia to Missouri (average of $649). 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 April 10, 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.

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

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

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

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 21h 55m. United Airlines provides one of the quickest options available for as low as $1,451. The distance between Australia and Missouri is about 8839 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, May is the cheapest month in which you can book a flight from Australia to Missouri (average of $649). 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 April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$822Average$1,483FlexibilityNo cancel feeOn-time69%

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