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Cheap flights from Australia to Missouri from $1,078

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
24 Apr — 1 May1
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 25 March 2026.

Thu 7/509:20
SYD
-
STL
2 stops41h 46m
Air Canada
Thu 14/507:05
STL
-
SYD
2 stops33h 15m
Air Canada
Deal found 23/3$1,344
Wed 20/509:20
SYD
-
STL
2 stops41h 46m
Air Canada
Thu 28/513:05
STL
-
SYD
2 stops27h 15m
Air Canada
Deal found 22/3$1,354
Wed 20/509:20
SYD
-
STL
2 stops41h 46m
Multiple Airlines
Thu 28/513:38
STL
-
SYD
2 stops26h 42m
Multiple Airlines
Deal found 20/3$1,355
Wed 6/509:20
SYD
-
MCI
2 stops40h 13m
Air Canada
Wed 13/506:00
MCI
-
SYD
2 stops34h 20m
Air Canada
Deal found 22/3$1,376
Thu 7/510:00
BNE
-
STL
2 stops41h 06m
Air Canada
Thu 14/514:15
STL
-
BNE
3 stops51h 15m
Air Canada
Deal found 23/3$1,394
Thu 7/510:00
BNE
-
STL
2 stops49h 25m
Air Canada
Mon 11/513:05
STL
-
BNE
2 stops27h 00m
Air Canada
Deal found 22/3$1,408
Sun 13/909:20
SYD
-
STL
2 stops43h 40m
Air Canada
Wed 23/908:55
STL
-
SYD
2 stops55h 25m
Air Canada
Deal found 23/3$1,414
Thu 7/510:00
BNE
-
STL
2 stops49h 25m
Air Canada
Fri 29/513:05
STL
-
BNE
2 stops27h 00m
Air Canada
Deal found 22/3$1,420
Thu 28/509:20
SYD
-
MCI
2 stops26h 23m
Air Canada
Mon 1/606:00
MCI
-
SYD
2 stops34h 20m
Air Canada
Deal found 22/3$1,424
Thu 29/1009:45
BNE
-
MCI
2 stops28h 52m
Air Canada
Mon 2/1106:00
MCI
-
BNE
2 stops34h 45m
Air Canada
Deal found 22/3$1,438
Tue 12/510:00
BNE
-
STL
2 stops41h 06m
Air Canada
Mon 18/514:15
STL
-
BNE
2 stops25h 50m
Air Canada
Deal found 24/3$1,508
Fri 31/706:00
MEL
-
STL
3 stops47h 02m
Multiple Airlines
Sun 6/914:40
STL
-
MEL
3 stops29h 45m
Multiple Airlines
Deal found 21/3$1,511

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 25 March 2026.

Round-trip from

$1,344

One-way from

$1,078

Popular in

July

Cheapest in

May

Average price

$1,718
Air Canada
  • Air Canada
  • 7/5-14/5
  • 4 total stops
  • 75h 01m total
  • Australia to Missouri
Search Deals
24/5
  • 24/5
  • 2 total stops
  • 37h 10m total
  • Australia to Missouri
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($71 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($79 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 25 March 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 return flight

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Thu 7/5

10:00-12:06

2 stops41h 06m

Lambert-St Louis

Thu 14/5

14:15-08:30

3 stops51h 15m

$1,394

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Thu 7/5

10:00-20:25

2 stops49h 25m

Lambert-St Louis

Mon 11/5

13:05-07:05

2 stops27h 00m

$1,408

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 28/5

09:20-20:43

2 stops26h 23m

Kansas City

Mon 1/6

06:00-07:20

2 stops34h 20m

$1,424

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 20/5

09:20-12:06

2 stops41h 46m

Lambert-St Louis

Thu 28/5

13:05-07:20

3 stops51h 15m

$1,438

MelbourneKansas City

MEL - MCI

MELMCI

Melbourne

Sun 19/4

10:00-23:01

2 stops28h 01m

Kansas City

Sun 26/4

17:12-07:50

2 stops47h 38m

$1,517

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Fri 7/8

09:20-14:02

2 stops43h 42m

Lambert-St Louis

Mon 31/8

08:55-07:20

2 stops55h 25m

$1,613

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 7/9

13:35-23:41

1 stop25h 06m

Lambert-St Louis

Sun 27/9

20:07-06:45

2 stops43h 38m

$1,658

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Mon 4/5

20:40-20:09

3 stops38h 29m

Lambert-St Louis

Mon 11/5

13:05-07:05

2 stops51h 00m

$1,660
Fastest return journey

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Tue 1/9

12:00-16:41

1 stop19h 41m

Kansas City

Tue 15/9

17:20-07:05

2 stops22h 45m

$1,666

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 7/9

10:55-10:09

2 stops38h 14m

Lambert-St Louis

Sun 27/9

18:49-07:30

2 stops45h 41m

$1,683

Flights are sorted by cheapest return flights first.

Deals found on 20/3

Showing 1-10 of 44 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 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 $866). Flying from Australia to Missouri in April is currently the most expensive (average of $1,574). 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 25 March 2026.
Get a feel of what it's like to fly with Qantas Airways,United Airlines, andAmerican Airlines 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
1,009 reviews
Check prices

Crew

8.1

Overall

7.5

Comfort

7.4

Entertainment

7.2

Boarding

7.7

Food

7.0

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
1,009 reviews
Qantas Airways
7.5
Good
1,009 reviews
Check prices

Crew

8.1

Overall

7.5

Comfort

7.4

Entertainment

7.2

Boarding

7.7

Food

7.0

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
9,476 reviews
Qantas Airways
7.5
Good
1,009 reviews
Check prices

Crew

8.1

Overall

7.5

Comfort

7.4

Entertainment

7.2

Boarding

7.7

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
American Airlines
7.1
Good
11,493 reviews
Qantas Airways
7.5
Good
1,009 reviews
Check prices

Crew

8.1

Overall

7.5

Comfort

7.4

Entertainment

7.2

Boarding

7.7

Food

7.0

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
10,837 reviews
Qantas Airways
7.5
Good
1,009 reviews
Check prices

Crew

8.1

Overall

7.5

Comfort

7.4

Entertainment

7.2

Boarding

7.7

Food

7.0

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 $1,658, Air Canada can have you in Missouri from Australia in 25h 06m. Australia and Missouri are separated by a distance of 15255 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 $866). Flying from Australia to Missouri in April is currently the most expensive (average of $1,574). 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 4 airlines flying from Australia to Missouri

Discover the top 4 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 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$682Average$1,578FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,049Average$1,423FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,117Average$1,955FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,652Average$1,799FlexibilityNo cancel feeOn-time71%
Search American Airlines 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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