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Cheap flights from Australia to Missouri from $779

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
23 Mar — 30 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Missouri

Enter your travel dates to find the best prices.

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 21 February 2026.

Wed 18/219:40
BNE
-
MCI
2 stops33h 54m
American Airlines
Sun 22/219:46
MCI
-
BNE
2 stops41h 14m
American Airlines
Deal found 17/2$1,109
Thu 19/209:40
BNE
-
STL
1 stop21h 48m
American Airlines
Mon 23/209:35
STL
-
BNE
1 stop28h 55m
American Airlines
Deal found 17/2$1,111
Fri 20/213:00
MEL
-
STL
2 stops24h 26m
United Airlines
Mon 23/213:11
STL
-
MEL
2 stops27h 49m
United Airlines
Deal found 18/2$1,265
Fri 6/311:40
BNE
-
STL
2 stops27h 19m
United Airlines
Thu 12/307:41
STL
-
BNE
2 stops31h 49m
United Airlines
Deal found 17/2$1,272
Wed 18/309:10
MEL
-
STL
2 stops30h 15m
Delta
Wed 25/312:28
STL
-
MEL
2 stops26h 32m
Delta
Deal found 17/2$1,275
Thu 19/219:50
BNE
-
STL
2 stops37h 23m
Qantas Airways
Mon 23/218:18
STL
-
BNE
1 stop20h 12m
Qantas Airways
Deal found 18/2$1,333
Thu 6/809:20
SYD
-
STL
2 stops43h 42m
Air Canada
Sat 29/808:55
STL
-
SYD
2 stops55h 25m
Air Canada
Deal found 19/2$1,448
Wed 18/311:20
SYD
-
STL
1 stop28h 38m
American Airlines
Wed 25/316:13
STL
-
SYD
2 stops24h 47m
American Airlines
Deal found 17/2$1,479
Tue 4/809:20
SYD
-
STL
2 stops50h 22m
Air Canada
Thu 27/808:55
STL
-
SYD
2 stops55h 25m
Air Canada
Deal found 19/2$1,486
Thu 12/311:20
SYD
-
STL
2 stops28h 39m
American Airlines
Mon 16/314:31
STL
-
SYD
2 stops26h 29m
American Airlines
Deal found 20/2$1,497
Thu 6/810:20
SYD
-
STL
2 stops25h 22m
United Airlines
Sat 29/818:49
STL
-
SYD
2 stops45h 06m
United Airlines
Deal found 18/2$1,504
Wed 18/309:40
SYD
-
STL
2 stops23h 25m
Delta
Wed 25/307:03
STL
-
SYD
2 stops32h 22m
Delta
Deal found 17/2$1,506

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 21 February 2026.

Round-trip from

$1,272

One-way from

$779

Popular in

July

Cheapest in

August

Average price

$1,769
United Airlines
  • United Airlines
  • 6/3-12/3
  • 4 total stops
  • 59h 08m total
  • Australia to Missouri
Search Deals
Qantas Airways
  • Qantas Airways
  • 11/3
  • 1 total stop
  • 22h 44m total
  • Australia to Missouri
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($76 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 21 February 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

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Fri 6/3

11:40-22:59

2 stops27h 19m

Lambert-St Louis

Thu 12/3

07:41-06:30

2 stops31h 49m

$1,272

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 18/3

11:20-23:58

1 stop28h 38m

Lambert-St Louis

Wed 25/3

06:38-09:00

1 stop34h 22m

$1,479

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 12/3

11:20-23:58

1 stop28h 38m

Lambert-St Louis

Mon 16/3

14:31-09:00

2 stops26h 29m

$1,499

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 6/8

10:20-20:42

2 stops25h 22m

Lambert-St Louis

Sat 29/8

18:49-06:55

2 stops45h 06m

$1,504

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 18/3

09:40-17:05

2 stops23h 25m

Lambert-St Louis

Wed 25/3

07:03-07:25

2 stops32h 22m

$1,506

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Wed 18/3

09:40-23:56

1 stop30h 16m

Kansas City

Wed 25/3

15:50-07:25

1 stop23h 35m

$1,506

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 6/8

09:30-16:33

2 stops22h 03m

Lambert-St Louis

Sun 30/8

13:27-06:55

2 stops26h 28m

$1,523

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 12/3

11:50-22:16

1 stop26h 26m

Lambert-St Louis

Mon 16/3

16:47-07:00

1 stop22h 13m

$1,524

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Thu 19/3

09:45-23:15

2 stops28h 30m

Kansas City

Thu 26/3

06:00-07:45

2 stops34h 45m

$1,536

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 18/3

16:05-22:58

1 stop22h 53m

Lambert-St Louis

Wed 25/3

18:50-11:25

2 stops24h 35m

$1,699

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 50 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 return 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 $856). Flying from Australia to Missouri in April is currently the most expensive (average of $1,557). 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 21 February 2026.
Get a feel of what it's like to fly with Qantas Airways, United Airlines, andAir Canada from Australia to Missouri by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
995 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

7.0

Entertainment

7.2

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qantas Airways
7.5
Good
995 reviews
Qantas Airways
7.5
Good
995 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

7.0

Entertainment

7.2

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
United Airlines
7.4
Good
9,336 reviews
Qantas Airways
7.5
Good
995 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

7.0

Entertainment

7.2

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Air Canada
7.1
Good
10,734 reviews
Qantas Airways
7.5
Good
995 reviews
Check prices

Boarding

7.7

Crew

8.1

Food

7.0

Entertainment

7.2

Comfort

7.4

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

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?

    For as low as $1,272, United Airlines can have you in Missouri from Australia in 27h 19m. Australia and Missouri are separated by a distance of 14074 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 holiday 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 $856). Flying from Australia to Missouri in April is currently the most expensive (average of $1,557). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Australia to Missouri

Discover the top 3 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 647,157 searches. Data last updated 21 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$674Average$1,590FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,037Average$1,480FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,376Average$1,962FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Australia to Missouri?

Cheapflights makes it easy to find Australia to Missouri flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Australia to Missouri?

Millions of users choose and trust Cheapflights to book the best flight deals from Australia to Missouri for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Australia to Missouri with no change fees?

Certainly. Search results for flights to Missouri from Australia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Australia to Missouri become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Missouri from Australia today and book when prices fit your budget.

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