How long is the flight from Missouri to Australia?

Airlines like United Airlines, Qantas Airways, and Air Canada fly from Missouri to Australia in about 20h 55m. The time it takes to get you to your destination can typically vary by up to 5h 05m. Missouri and Australia are separated by a distance of 8521 mi. This flight may include one or multiple stops.

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

The cheapest airlines for a one-way flight from Missouri to Australia are Air Canada ($586), Delta ($594), and Fiji Airways ($689).

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Can I find deals for flights from Missouri to Australia that include hotel bookings?

Yes. In addition to deals on Missouri to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Missouri to Australia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Australia.

Can I find deals for business class flights from Missouri to Australia?

Yes. Cheapflights offers flight deals from Missouri to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$586+ Flights from Missouri to Australia

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Cheap flight deals from Missouri to Australia

Round-trip from	$990 (lol.travel)
One-way from	$586 (Air Canada)
Popular in	December
Cheapest in	October
Average price	$1,291

From Missouri to Australia

Search Deals

One-way flight from Missouri to Australia

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($131 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Missouri to Australia

Cheapest flights from Missouri to Australia
Explore the most affordable flight options available from Missouri to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Mon 11/31:35 pmSTL - BNE

2 stops25h 55mUnited Airlines

Wed 11/1911:40 amBNE - STL

2 stops26h 14mUnited Airlines

Deal found 9/15

$990

Sat 11/225:35 pmMCI - BNE

1 stop20h 55mQantas Airways

Fri 12/269:40 amBNE - MCI

1 stop19h 28mQantas Airways

Deal found 9/14

$1,060

Sat 11/226:13 pmSTL - BNE

1 stop20h 17mQantas Airways

Fri 12/269:40 amBNE - STL

1 stop21h 20mQantas Airways

Deal found 9/14

$1,060

Wed 9/176:26 pmMCI - SYD

1 stop21h 29mQantas Airways

Fri 9/1912:10 pmSYD - MCI

1 stop21h 55mQantas Airways

Deal found 9/13

$1,072

Sat 11/225:10 pmMCI - BNE

2 stops22h 20mUnited Airlines

Fri 12/2611:40 amBNE - MCI

2 stops37h 38mUnited Airlines

Deal found 9/14

$1,073

Mon 9/155:59 pmMCI - SYD

1 stop21h 56mUnited Airlines

Tue 9/2310:20 amSYD - MCI

1 stop21h 58mUnited Airlines

Deal found 9/15

$1,078

Mon 9/156:03 pmMCI - SYD

2 stops21h 32mDelta

Tue 9/239:25 amSYD - MCI

2 stops26h 57mDelta

Deal found 9/14

$1,082

Wed 11/57:00 amSTL - SYD

2 stops33h 20mQantas Airways

Sun 11/232:05 pmSYD - STL

1 stop22h 25mQantas Airways

Deal found 9/14

$1,104

Fri 11/285:50 pmSTL - SYD

2 stops34h 40mQantas Airways

Sun 12/142:05 pmSYD - STL

1 stop22h 22mQantas Airways

Deal found 9/14

$1,108

Wed 10/291:47 pmMCI - SYD

2 stops26h 48mAir Canada

Wed 11/511:20 amSYD - MCI

2 stops21h 45mAir Canada

Deal found 9/14

$1,115

Wed 9/178:30 amMCI - SYD

2 stops33h 15mAir New Zealand

Fri 9/1911:50 amSYD - MCI

2 stops39h 10mAir New Zealand

Deal found 9/13

$1,123

Wed 12/36:55 amSTL - SYD

2 stops33h 25mQantas Airways

Wed 12/102:05 pmSYD - STL

1 stop19h 29mQantas Airways

Deal found 9/15

$1,127

Best flights from Missouri to Australia
Discover carefully curated flight deals from Missouri to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2025.

Mon 11/31:35 pmSTL - BNE

2 stops25h 55mUnited Airlines

Wed 11/1911:40 amBNE - STL

2 stops26h 14mUnited Airlines

Deal found 9/15

$990

Sat 11/225:35 pmMCI - BNE

1 stop20h 55mQantas Airways

Fri 12/269:40 amBNE - MCI

1 stop19h 28mQantas Airways

Deal found 9/14

$1,060

Sat 2/282:45 pmSTL - BNE

2 stops26h 00mAir Canada

Tue 3/310:45 amBNE - STL

2 stops44h 44mAir Canada

Deal found 9/15

$1,065

Tue 11/257:00 amSTL - SYD

2 stops43h 45mAlaska Airlines

Thu 12/119:40 pmSYD - STL

2 stops43h 19mAlaska Airlines

Deal found 9/14

$1,179

Tue 1/2012:11 pmMCI - SYD

2 stops26h 14mAmerican Airlines

Sat 1/3111:15 amSYD - MCI

2 stops25h 53mAmerican Airlines

Deal found 9/14

$1,217

Wed 10/292:55 pmMCI - SYD

3 stops29h 50mMultiple Airlines

Wed 11/52:00 pmSYD - MCI

3 stops27h 40mMultiple Airlines

Deal found 9/14

$1,223

Wed 10/13:40 pmMCI - SYD

1 stop23h 55mDelta

Fri 10/1710:25 amSYD - MCI

1 stop29h 02mDelta

Deal found 9/15

$1,229

Fri 3/67:00 amMCI - PER

2 stops39h 00mQatar Airways

Mon 3/910:45 pmPER - MCI

2 stops38h 02mQatar Airways

Deal found 9/13

$1,774

Sat 11/226:13 pmSTL - BNE

1 stop20h 17mQantas Airways

Fri 12/269:40 amBNE - STL

1 stop21h 20mQantas Airways

Deal found 9/14

$1,060

Mon 3/96:00 amMCI - BNE

2 stops34h 45mAir Canada

Fri 3/139:45 amBNE - MCI

2 stops28h 43mAir Canada

Deal found 9/13

$1,068

Tue 2/105:00 pmSTL - BNE

1 stop22h 30mUnited Airlines

Sat 2/2111:40 amBNE - STL

1 stop21h 04mUnited Airlines

Deal found 9/15

$1,068

Wed 2/45:00 pmSTL - BNE

1 stop22h 30mUnited Airlines

Thu 2/1911:40 amBNE - STL

1 stop21h 04mUnited Airlines

Deal found 9/15

$1,068

Wed 10/292:56 pmMCI - SYD

2 stops26h 04mAmerican Airlines

Wed 11/52:05 pmSYD - MCI

1 stop19h 38mAmerican Airlines

Deal found 9/14

$1,217

Wed 10/291:47 pmMCI - SYD

2 stops26h 48mAir Canada

Wed 11/511:20 amSYD - MCI

2 stops21h 45mAir Canada

Deal found 9/14

$1,115

Mon 3/93:45 pmMCI - BNE

1 stop24h 35mDelta

Fri 3/139:40 amBNE - MCI

1 stop20h 09mDelta

Deal found 9/14

$1,248

Sun 11/22:54 pmMCI - MEL

1 stop21h 06mQantas Airways

Sat 11/88:50 amMEL - MCI

2 stops45h 00mQantas Airways

Deal found 9/14

$1,139

Wed 2/45:00 pmSTL - BNE

1 stop22h 30mUnited Airlines

Fri 2/2011:40 amBNE - STL

1 stop21h 04mUnited Airlines

Deal found 9/15

$1,068

Tue 2/34:05 pmSTL - AVV

3 stops59h 15mMultiple Airlines

Tue 2/248:55 pmAVV - STL

3 stops59h 34mMultiple Airlines

Deal found 9/14

$1,326

Tue 1/202:04 pmMCI - SYD

2 stops24h 21mAmerican Airlines

Fri 2/202:05 pmSYD - MCI

1 stop25h 16mAmerican Airlines

Deal found 9/15

$1,218

Sun 2/85:00 pmSTL - BNE

1 stop22h 30mUnited Airlines

Thu 2/1911:40 amBNE - STL

1 stop21h 04mUnited Airlines

Deal found 9/15

$1,068

Wed 10/296:39 amSTL - SYD

1 stop34h 21mQantas Airways

Sat 11/157:15 pmSYD - STL

2 stops38h 53mQantas Airways

Deal found 9/16

$1,175

Thu 2/57:05 pmSTL - MEL

2 stops43h 55mDelta

Sun 3/110:10 amMEL - STL

2 stops23h 40mDelta

Deal found 9/13

$1,297

Sat 1/173:03 pmMCI - SYD

2 stops23h 22mAmerican Airlines

Sun 1/252:05 pmSYD - MCI

1 stop23h 03mAmerican Airlines

Deal found 9/14

$1,218

Wed 11/194:05 pmSTL - AVV

3 stops62h 10mMultiple Airlines

Wed 12/108:55 pmAVV - STL

3 stops59h 34mMultiple Airlines

Deal found 9/14

$1,376

Mon 2/95:00 pmSTL - BNE

1 stop22h 30mUnited Airlines

Thu 2/1911:40 amBNE - STL

1 stop21h 04mUnited Airlines

Deal found 9/15

$1,068

Tue 2/36:30 pmSTL - MEL

2 stops44h 30mDelta

Sun 3/110:10 amMEL - STL

2 stops23h 40mDelta

Deal found 9/13

$1,297

Wed 10/296:18 pmMCI - SYD

1 stop20h 37mQantas Airways

Wed 11/52:05 pmSYD - MCI

1 stop19h 38mQantas Airways

Deal found 9/14

$1,213

Thu 3/123:10 pmMCI - MEL

2 stops26h 20mAmerican Airlines

Sun 3/2212:00 pmMEL - MCI

2 stops26h 20mAmerican Airlines

Deal found 9/14

$1,266

Wed 2/45:00 pmSTL - BNE

1 stop22h 30mUnited Airlines

Wed 2/1811:40 amBNE - STL

1 stop21h 04mUnited Airlines

Deal found 9/15

$1,068

Thu 3/125:40 pmMCI - MEL

2 stops46h 20mDelta

Sun 3/229:10 amMEL - MCI

1 stop21h 39mDelta

Deal found 9/14

$1,297

Last-minute flights from Missouri to Australia
Discover last-minute flight deals from Missouri to Australia. Data last updated September 16, 2025 and is based on user searches.

Mon 9/155:59 pmMCI - SYD

1 stop21h 56mUnited Airlines

Tue 9/2310:20 amSYD - MCI

1 stop21h 58mUnited Airlines

Deal found 9/15

$1,078

Mon 9/156:03 pmMCI - SYD

2 stops21h 32mDelta

Tue 9/239:25 amSYD - MCI

2 stops26h 57mDelta

Deal found 9/14

$1,082

Wed 9/176:26 pmMCI - SYD

1 stop21h 29mQantas Airways

Fri 9/1912:10 pmSYD - MCI

1 stop21h 55mQantas Airways

Deal found 9/13

$1,072

Wed 9/178:30 amMCI - SYD

2 stops33h 15mAir New Zealand

Fri 9/1911:50 amSYD - MCI

2 stops39h 10mAir New Zealand

Deal found 9/13

$1,123

Tue 10/285:09 pmSTL - MEL

2 stops33h 36mMultiple Airlines

Mon 11/107:00 amMEL - STL

2 stops33h 42mMultiple Airlines

Deal found 9/13

$1,223

Wed 10/291:47 pmMCI - SYD

2 stops26h 48mAir Canada

Wed 11/511:20 amSYD - MCI

2 stops21h 45mAir Canada

Deal found 9/14

$1,115

Wed 10/296:39 amSTL - SYD

1 stop34h 21mQantas Airways

Sat 11/157:15 pmSYD - STL

2 stops38h 53mQantas Airways

Deal found 9/16

$1,175

Wed 10/291:35 pmSTL - SYD

2 stops27h 00mAir Canada

Wed 11/511:20 amSYD - STL

2 stops22h 08mAir Canada

Deal found 9/14

$1,195

Wed 10/296:18 pmMCI - SYD

1 stop20h 37mQantas Airways

Wed 11/52:05 pmSYD - MCI

1 stop19h 38mQantas Airways

Deal found 9/14

$1,213

Wed 10/292:56 pmMCI - SYD

2 stops26h 04mAmerican Airlines

Wed 11/52:05 pmSYD - MCI

1 stop19h 38mAmerican Airlines

Deal found 9/14

$1,217

Thu 10/304:14 pmSTL - SYD

2 stops35h 31mAlaska Airlines

Thu 11/69:40 pmSYD - STL

2 stops34h 38mAlaska Airlines

Deal found 9/15

$1,176

Thu 10/301:35 pmSTL - SYD

2 stops27h 00mAir Canada

Thu 11/611:20 amSYD - STL

2 stops45h 09mAir Canada

Deal found 9/15

$1,199

One-way flights from Missouri to Australia
Search for one-way flight options from Missouri to Australia. Find affordable one-way fares based on user searches. Data last updated September 16, 2025.

Thu 11/134:05 pmSTL - BNE

2 stops48h 40mAir Canada

Deal found 9/14

$586

Mon 1/1910:35 amMCI - BNE

2 stops29h 45mDelta

Deal found 9/13

$594

Sun 1/187:00 amMCI - BNE

1 stop32h 30mUnited Airlines

Deal found 9/13

$610

Sat 1/171:42 pmMCI - BNE

2 stops49h 48mUnited Airlines

Deal found 9/13

$616

Thu 11/137:00 amSTL - BNE

3 stops42h 25mMultiple Airlines

Deal found 9/14

$683

Tue 10/145:09 pmSTL - BNE

2 stops26h 16mFiji Airways

Deal found 9/14

$689

Mon 3/25:49 pmSTL - SYD

2 stops25h 26mQantas Airways

Deal found 9/15

$692

Fri 11/213:59 pmSTL - MEL

2 stops24h 31mAmerican Airlines

Deal found 9/14

$693

Sat 11/14:34 pmSTL - MEL

2 stops24h 56mAmerican Airlines

Deal found 9/14

$696

Sun 3/86:15 amSTL - SYD

2 stops47h 35mMultiple Airlines

Deal found 9/15

$697

Tue 10/146:33 amSTL - SYD

3 stops58h 27mMultiple Airlines

Deal found 9/14

$699

Tue 1/207:00 amMCI - BNE

1 stop32h 30mUnited Airlines

Deal found 9/13

$700

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missouri to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Mon 11/3

1:35 pm-7:30 am

2 stops25h 55m

Brisbane

Wed 11/19

11:40 am-9:54 pm

2 stops26h 14m

$990

Kansas CityBrisbane

MCI - BNE

MCIBNE

Kansas City

Sat 11/22

5:35 pm-6:30 am

1 stop20h 55m

Brisbane

Fri 12/26

9:40 am-1:08 pm

1 stop19h 28m

$1,060

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sat 11/22

6:13 pm-6:30 am

1 stop20h 17m

Brisbane

Fri 12/26

9:40 am-3:00 pm

1 stop21h 20m

$1,060

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sat 2/28

2:45 pm-8:45 am

2 stops26h 00m

Brisbane

Tue 3/3

10:45 am-3:29 pm

2 stops44h 44m

$1,065

Kansas CityBrisbane

MCI - BNE

MCIBNE

Kansas City

Mon 3/9

6:00 am-7:45 am

2 stops34h 45m

Brisbane

Fri 3/13

9:45 am-11:28 pm

2 stops28h 43m

$1,068

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Tue 2/10

5:00 pm-7:30 am

1 stop22h 30m

Brisbane

Sat 2/21

11:40 am-4:44 pm

1 stop21h 04m

$1,068

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Wed 2/4

5:00 pm-7:30 am

1 stop22h 30m

Brisbane

Thu 2/19

11:40 am-4:44 pm

1 stop21h 04m

$1,068

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Wed 2/4

5:00 pm-7:30 am

1 stop22h 30m

Brisbane

Fri 2/20

11:40 am-4:44 pm

1 stop21h 04m

$1,068

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sun 2/8

5:00 pm-7:30 am

1 stop22h 30m

Brisbane

Thu 2/19

11:40 am-4:44 pm

1 stop21h 04m

$1,068

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Mon 2/9

5:00 pm-7:30 am

1 stop22h 30m

Brisbane

Thu 2/19

11:40 am-4:44 pm

1 stop21h 04m

$1,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results

...

Best time to book a flight from Missouri to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Missouri 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 Missouri to Australia

What is the cheapest month to book a flight from Missouri to Australia?

Currently, March is the cheapest month in which you can book a flight from Missouri to Australia (average of $1,032). Flying from Missouri to Australia in December is currently the most expensive (average of $1,627). 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 MO to AU?

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

Related info for your journey

How long is the flight from Missouri to Australia?
Airlines like United Airlines, Qantas Airways, and Air Canada fly from Missouri to Australia in about 20h 55m. The time it takes to get you to your destination can typically vary by up to 5h 05m. Missouri and Australia are separated by a distance of 8521 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Missouri to Australia one-way?
The cheapest airlines for a one-way flight from Missouri to Australia are Air Canada ($586), Delta ($594), and Fiji Airways ($689).
Can I find deals for flights from Missouri to Australia that include hotel bookings?
Yes. In addition to deals on Missouri to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Missouri to Australia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Australia.
Can I find deals for business class flights from Missouri to Australia?
Yes. Cheapflights offers flight deals from Missouri to Australia 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 Missouri to Australia?
Currently, March is the cheapest month in which you can book a flight from Missouri to Australia (average of $1,032). Flying from Missouri to Australia in December is currently the most expensive (average of $1,627). 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

Top 7 airlines flying from Missouri to Australia

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$687	Average$1,509	FlexibilityNo cancel fee	On-time74%
United Airlines	Cheapest$822	Average$1,441	FlexibilityNo cancel fee	On-time69%
Fiji Airways	Cheapest$887	Average$1,296	FlexibilityNo cancel fee	On-time74%
Air Canada	Cheapest$897	Average$1,202	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$1,044	Average$1,604	FlexibilityNo cancel fee	On-time71%
Air New Zealand	Cheapest$1,173	Average$1,655	FlexibilityNo cancel fee	On-time78%
Delta	Cheapest$1,211	Average$1,442	FlexibilityNo cancel fee	On-timeN/A

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$586+ Cheap flights from Missouri to Australia

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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Missouri to Australia

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Missouri to Australia

Cheapest flights from Missouri to AustraliaExplore the most affordable flight options available from Missouri to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Explore the most affordable flight options available from Missouri to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missouri to Australia that are best for you.

Best time to book a flight from Missouri to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Missouri with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Australia

What is the cheapest month to book a flight from Missouri to Australia?

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

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

Related info for your journey

Find useful and relevant information for your journey from Missouri to Australia. 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 Missouri to Australia?

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

Can I find deals for flights from Missouri to Australia that include hotel bookings?

How can I find direct flights from Missouri to Australia?

Can I find deals for business class flights from Missouri to Australia?

What is the cheapest month to book a flight from Missouri to Australia?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Missouri to Australia

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Missouri to Australia

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Cheapest flights from Missouri to Australia
Explore the most affordable flight options available from Missouri to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.