Cheap flights from Australia to Missouri from $659

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
23 Feb — 2 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 24 January 2026.

Thu 5/219:40
BNE
-
STL
1 stop20h 19m
American Airlines
Mon 9/207:04
STL
-
BNE
1 stop29h 56m
American Airlines
Deal found 21/1$1,237
Wed 4/219:40
BNE
-
MCI
2 stops29h 03m
American Airlines
Sun 8/218:07
MCI
-
BNE
2 stops42h 53m
American Airlines
Deal found 21/1$1,237
Tue 27/1009:45
BNE
-
MCI
2 stops21h 18m
Air Canada
Sat 7/1117:05
MCI
-
BNE
2 stops23h 40m
Air Canada
Deal found 23/1$1,281
Tue 27/1009:45
BNE
-
MCI
1 stop23h 21m
Qantas Airways
Sat 7/1114:54
MCI
-
BNE
1 stop23h 36m
Qantas Airways
Deal found 23/1$1,485
Mon 9/310:40
BNE
-
MCI
2 stops20h 39m
United Airlines
Mon 16/316:25
MCI
-
BNE
2 stops47h 05m
United Airlines
Deal found 23/1$1,518
Tue 3/314:15
SYD
-
STL
2 stops26h 21m
Delta
Mon 13/413:11
STL
-
SYD
2 stops26h 24m
Delta
Deal found 23/1$1,529
Tue 3/311:20
SYD
-
STL
1 stop29h 39m
American Airlines
Mon 13/406:20
STL
-
SYD
1 stop33h 45m
American Airlines
Deal found 21/1$1,706
Thu 19/211:20
SYD
-
STL
2 stops29h 39m
American Airlines
Mon 23/211:46
STL
-
SYD
2 stops28h 14m
American Airlines
Deal found 22/1$1,721
Tue 3/314:00
SYD
-
STL
3 stops25h 14m
United Airlines
Mon 13/416:49
STL
-
SYD
2 stops23h 11m
United Airlines
Deal found 21/1$1,731
Thu 19/212:10
SYD
-
STL
1 stop21h 34m
United Airlines
Mon 23/216:28
STL
-
SYD
1 stop21h 32m
United Airlines
Deal found 22/1$1,747
Mon 16/211:45
SYD
-
MCI
2 stops27h 55m
Air New Zealand
Fri 20/216:03
MCI
-
SYD
2 stops25h 27m
Air New Zealand
Deal found 22/1$1,756
Tue 17/211:20
SYD
-
MCI
2 stops26h 15m
Air Canada
Sat 21/217:21
MCI
-
SYD
2 stops47h 14m
Air Canada
Deal found 21/1$1,766

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 24 January 2026.

Round-trip from

$1,237

One-way from

$659

Popular in

December

Cheapest in

August

Average price

$1,921
American Airlines
  • American Airlines
  • 5/2-9/2
  • 3 total stops
  • 51h 19m total
  • Australia to Missouri
18/2
  • 18/2
  • 3 total stops
  • 34h 33m total
  • Australia to Missouri
Highest demand for flights based on searches. 6% potential increase in price ($189 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($82 potential savings vs. average return price).
Average for round-trip flights in January 2026

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 24 January 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

Thu 5/2

19:40-23:59

1 stop20h 19m

Lambert-St Louis

Mon 9/2

07:04-05:00

1 stop29h 56m

$1,237

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Wed 4/2

19:40-08:43

2 stops29h 03m

Kansas City

Sun 8/2

18:07-05:00

2 stops42h 53m

$1,237

BrisbaneKansas City

BNE - MCI

BNEMCI

Brisbane

Mon 9/3

10:40-16:19

2 stops20h 39m

Kansas City

Mon 16/3

16:25-06:30

2 stops47h 05m

$1,518

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 3/3

14:15-23:36

2 stops26h 21m

Lambert-St Louis

Mon 13/4

13:11-06:35

2 stops26h 24m

$1,529

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 3/3

11:20-17:13

2 stops22h 53m

Lambert-St Louis

Mon 13/4

15:36-07:05

2 stops24h 29m

$1,706

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 19/2

11:20-19:29

2 stops25h 09m

Lambert-St Louis

Mon 23/2

16:13-09:00

2 stops23h 47m

$1,706

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 19/2

11:50-15:38

1 stop20h 48m

Lambert-St Louis

Mon 23/2

10:10-07:00

1 stop27h 50m

$1,731

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Mon 16/2

11:45-22:40

2 stops27h 55m

Kansas City

Fri 20/2

16:03-10:30

2 stops25h 27m

$1,756

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Tue 17/2

11:20-20:35

2 stops26h 15m

Kansas City

Sat 21/2

17:21-09:35

2 stops47h 14m

$1,766

CairnsKansas City

CNS - MCI

CNSMCI

Cairns

Tue 17/2

11:45-17:17

2 stops45h 32m

Kansas City

Sat 21/2

18:13-23:05

2 stops36h 52m

$1,769

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 49 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 $880). Flying from Australia to Missouri in April is currently the most expensive (average of $1,495). 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 24 January 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.

Entertainment

7.2

Overall

7.5

Comfort

7.5

Crew

8.2

Boarding

7.7

Food

7.0

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.

Entertainment

7.2

Overall

7.5

Comfort

7.5

Crew

8.2

Boarding

7.7

Food

7.0

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.

Entertainment

7.2

Overall

7.5

Comfort

7.5

Crew

8.2

Boarding

7.7

Food

7.0

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.

Entertainment

7.2

Overall

7.5

Comfort

7.5

Crew

8.2

Boarding

7.7

Food

7.0

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?

    For as low as $1,237, American Airlines can have you in Missouri from Australia in 20h 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 $880). Flying from Australia to Missouri in April is currently the most expensive (average of $1,495). 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 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 24 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$693Average$1,583FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,066Average$1,573FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,415Average$2,025FlexibilityNo 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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