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$487+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Australia to Missouri

Keep the following information in mind while searching for Australia to Missouri flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$801
(Air Canada)

One-way from

$487
(Orbitz)

Popular in

August

Cheapest in

October

Average price

$1,143
From Australia to Missouri
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One-way flight from Australia to Missouri
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Highest demand for flights based on searches. 0% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 septiembre 16, 2025.

This BYOjet deal was found by Cheapflights users on 9/15. 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.
lun. 11/1011:20 amSYD - MCI
2 stops26h 27mAir Canada
jue. 11/209:05 amMCI - SYD
2 stops31h 30mAir Canada
Deal found 9/15$817
This Air Canada deal was found by Cheapflights users on 9/15. 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.
jue. 12/44:00 pmSYD - STL
2 stops64h 29mAir Canada
mié. 12/101:35 pmSTL - SYD
2 stops48h 20mAir Canada
Deal found 9/15$830
This American Airlines deal was found by Cheapflights users on 9/15. 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.
mié. 12/311:20 amSYD - STL
2 stops28h 02mAmerican Airlines
vie. 12/126:55 amSTL - SYD
1 stop33h 05mAmerican Airlines
Deal found 9/15$833
This Air Canada deal was found by Cheapflights users on 9/15. 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.
jue. 12/411:20 amSYD - STL
2 stops26h 37mAir Canada
dom. 12/74:05 pmSTL - SYD
2 stops69h 50mAir Canada
Deal found 9/15$836
This United Airlines deal was found by Cheapflights users on 9/15. 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.
lun. 10/1311:55 amMEL - STL
2 stops37h 57mUnited Airlines
lun. 10/205:28 pmSTL - MEL
2 stops23h 47mUnited Airlines
Deal found 9/15$844
This American Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 10/3011:20 amSYD - STL
2 stops22h 18mAmerican Airlines
jue. 11/62:29 pmSTL - SYD
2 stops25h 31mAmerican Airlines
Deal found 9/15$845
This United Airlines deal was found by Cheapflights users on 9/15. 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.
lun. 12/111:50 amSYD - STL
1 stop39h 14mUnited Airlines
mar. 12/94:45 pmSTL - SYD
2 stops23h 20mUnited Airlines
Deal found 9/15$850
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mié. 12/311:50 amSYD - STL
2 stops27h 55mUnited Airlines
mié. 12/109:00 amSTL - SYD
2 stops31h 15mUnited Airlines
Deal found 9/15$851
This United Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 10/3012:10 pmSYD - MCI
2 stops27h 32mUnited Airlines
jue. 11/61:47 pmMCI - SYD
2 stops24h 13mUnited Airlines
Deal found 9/15$851
This American Airlines deal was found by Cheapflights users on 9/15. 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.
sáb. 11/18:40 amBNE - MCI
2 stops30h 19mAmerican Airlines
lun. 12/295:04 amMCI - BNE
1 stop33h 26mAmerican Airlines
Deal found 9/15$871
This Delta deal was found by Cheapflights users on 9/15. 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.
dom. 11/210:40 amBNE - MCI
1 stop20h 06mDelta
lun. 12/292:35 pmMCI - BNE
2 stops25h 45mDelta
Deal found 9/15$880
This Air Canada deal was found by Cheapflights users on 9/15. 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.
jue. 12/44:00 pmSYD - STL
2 stops64h 29mAir Canada
sáb. 12/139:00 amSTL - SYD
2 stops28h 55mAir Canada
Deal found 9/15$897

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 septiembre 16, 2025.
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

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

dom. 3/8

11:20 am-10:28 pm

2 stops28h 08m

Kansas City

mar. 3/10

4:57 pm-8:35 am

2 stops23h 38m

$801

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

jue. 3/12

10:20 am-3:29 pm

2 stops45h 09m

Lambert-St Louis

lun. 3/16

4:05 pm-8:35 am

2 stops48h 30m

$809

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

lun. 11/10

11:20 am-8:47 pm

2 stops26h 27m

Kansas City

jue. 11/20

9:05 am-9:35 am

2 stops31h 30m

$817

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

jue. 12/4

11:20 am-8:57 pm

2 stops26h 37m

Lambert-St Louis

lun. 12/8

4:05 pm-6:55 am

2 stops45h 50m

$836

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

lun. 10/13

11:55 am-9:52 am

2 stops37h 57m

Lambert-St Louis

lun. 10/20

5:28 pm-9:15 am

2 stops23h 47m

$844

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

lun. 12/1

11:50 am-10:22 pm

1 stop27h 32m

Lambert-St Louis

lun. 12/8

3:19 pm-9:05 am

2 stops24h 46m

$850

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

lun. 12/1

11:50 am-10:04 am

1 stop39h 14m

Lambert-St Louis

mar. 12/9

4:45 pm-9:05 am

2 stops23h 20m

$850

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

mar. 12/2

12:10 pm-4:27 pm

1 stop21h 17m

Lambert-St Louis

mar. 12/9

5:30 pm-9:15 am

1 stop22h 45m

$850

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

mié. 12/3

10:40 am-8:25 am

2 stops38h 45m

Lambert-St Louis

mar. 12/9

6:06 pm-8:30 am

2 stops69h 24m

$851

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

mié. 12/3

11:50 am-10:45 pm

2 stops27h 55m

Lambert-St Louis

mié. 12/10

9:00 am-9:15 am

2 stops31h 15m

$851

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 53 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, August is the cheapest month in which you can book a flight from Australia to Missouri (average of $311). Flying from Australia to Missouri in March is currently the most expensive (average of $356). 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.

What is the cheapest time of day to fly from AU to MO?

Find hourly flight availability from Australia to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Missouri as you normally would.

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 septiembre 16, 2025.
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.
Qantas Airways
7.5
Good
907 reviews

Comfort

7.5

Food

7.0

Crew

8.2

Boarding

7.7

Overall

7.5

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
Qantas Airways
7.5
Good
907 reviews
Qantas Airways
7.5
Good
907 reviews

Comfort

7.5

Food

7.0

Crew

8.2

Boarding

7.7

Overall

7.5

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
United Airlines
7.4
Good
8,924 reviews
Qantas Airways
7.5
Good
907 reviews

Comfort

7.5

Food

7.0

Crew

8.2

Boarding

7.7

Overall

7.5

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

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 28h 08m. Air Canada provides one of the quickest options available for as low as $801. The distance between Australia and Missouri is about 8839 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Australia to Missouri one-way?

    $487 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $509 and $509, respectively.

  • 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, August is the cheapest month in which you can book a flight from Australia to Missouri (average of $311). Flying from Australia to Missouri in March is currently the most expensive (average of $356). 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

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Alternative routes for Australia to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$822Average$1,307FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,110Average$1,789FlexibilityNo cancel feeOn-time74%

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