How long is the flight from Missouri to Sydney?

For as low as $1,213, Air Canada can have you in Sydney from Missouri in 20h 37m. The distance from Missouri to Sydney is about 8839 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Sydney 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 Sydney when rainfall is around 2.0 in.

If weather is an important factor for your trip to Sydney, 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).

What are the most popular routes from Missouri to Sydney?

The most popular route from Missouri to Sydney is Lambert-St Louis - Sydney Kingsford Smith. You may also consider Kansas City - Sydney Kingsford Smith or Columbia Regional - Sydney Kingsford Smith.

What are the most popular airlines that fly from Missouri to Sydney?

American Airlines, Air Canada and Fiji Airways are the most popular airlines when flying from Missouri to Sydney.

What is the cheapest month to fly from Missouri to Sydney?

October can be a great time to fly to Sydney from Missouri with a flight ticket averaging about $1,448. Cheapflights users have found deals in the month of October for as cheap as $573. The most expensive prices can be found in the month of December.

What airport do you fly into for flights to Sydney from Missouri?

Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Missouri to Sydney. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

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

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

How can I find direct flights from Missouri to Sydney?

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

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

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

$699+ Flights from Missouri to Sydney

Q: How much does it cost to fly round-trip from Missouri to Sydney?

Airfare is below average for this route at the moment. Missouri to Sydney flights typically cost between $1,381 and $1,780 in November. The cheapest round-trip price found within the last 3 days was $1,104 on Qantas Airways (Nov 5-Nov 23).

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Cheap flight deals from Missouri to Sydney

Round-trip from	$1,104 (oojo)
One-way from	$699 (Kiwi.com)
Popular in	December
Cheapest in	October
Average price	$1,291

From Missouri to Sydney Kingsford Smith

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One-way flight from Missouri to Sydney Kingsford Smith

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

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Cheapest flight prices on average. 3% potential price decrease ($52 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 Missouri to Sydney

Cheapest flights from Missouri to Sydney
Explore the most affordable flight options available from Missouri to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

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

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 stops35h 05mQantas Airways

Sun 12/142:05 pmSYD - STL

1 stop22h 22mQantas Airways

Deal found 9/13

$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

Wed 10/296:39 amSTL - SYD

1 stop34h 21mQantas Airways

Sat 11/157:15 pmSYD - STL

2 stops34h 24mQantas Airways

Deal found 9/13

$1,168

Sat 11/16:00 amMCI - SYD

2 stops34h 35mAir Canada

Wed 11/511:20 amSYD - MCI

2 stops29h 22mAir Canada

Deal found 9/13

$1,169

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

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

Best flights from Missouri to Sydney
Discover carefully curated flight deals from Missouri to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

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

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

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

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

Tue 1/207:00 amMCI - SYD

1 stop30h 20mUnited Airlines

Fri 2/2011:50 amSYD - MCI

1 stop19h 20mUnited Airlines

Deal found 9/15

$1,229

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

Tue 12/91:40 pmMCI - SYD

2 stops24h 20mUnited Airlines

Tue 12/2311:50 amSYD - MCI

1 stop19h 23mUnited Airlines

Deal found 9/13

$1,229

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

Wed 11/267:00 amSTL - SYD

2 stops34h 20mQantas Airways

Wed 12/177:05 amSYD - STL

2 stops29h 24mQantas Airways

Deal found 9/14

$1,346

Wed 10/295:11 pmMCI - SYD

2 stops24h 04mUnited Airlines

Wed 11/511:20 amSYD - MCI

2 stops27h 30mUnited Airlines

Deal found 9/14

$1,229

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

Last-minute flights from Missouri to Sydney
Discover last-minute flight deals from Missouri to Sydney. Data last updated September 15, 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

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 stops34h 24mQantas Airways

Deal found 9/13

$1,168

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

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

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 Sydney
Search for one-way flight options from Missouri to Sydney. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Tue 10/146:33 amSTL - SYD

3 stops58h 27mMultiple Airlines

Deal found 9/14

$699

Tue 9/303:59 pmSTL - SYD

2 stops39h 11mFiji Airways

Deal found 9/15

$730

Tue 9/305:35 pmSTL - SYD

1 stop22h 20mUnited Airlines

Deal found 9/15

$742

Tue 9/307:55 pmSTL - SYD

3 stops32h 50mMultiple Airlines

Deal found 9/15

$775

Mon 12/294:40 pmMCI - SYD

1 stop21h 20mUnited Airlines

Deal found 9/15

$852

Tue 10/148:49 amSTL - SYD

1 stop30h 06mAmerican Airlines

Deal found 9/14

$884

Mon 12/293:38 pmMCI - SYD

3 stops57h 42mMultiple Airlines

Deal found 9/15

$1,066

Fly from

Fly to

Route

Depart

Return

Price

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 10/29

1:47 pm-8:35 am

2 stops26h 48m

Sydney Kingsford Smith

Wed 11/5

11:20 am-4:05 pm

2 stops21h 45m

$1,115

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Thu 10/30

4:14 pm-7:45 pm

2 stops35h 31m

Sydney Kingsford Smith

Thu 11/6

9:40 pm-3:18 pm

2 stops34h 38m

$1,176

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 10/29

6:18 pm-6:55 am

1 stop20h 37m

Sydney Kingsford Smith

Wed 11/5

2:05 pm-4:43 pm

1 stop19h 38m

$1,213

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Tue 1/20

12:11 pm-7:25 am

2 stops26h 14m

Sydney Kingsford Smith

Sat 1/31

11:15 am-8:08 pm

2 stops25h 53m

$1,217

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 10/29

2:56 pm-9:00 am

2 stops26h 04m

Sydney Kingsford Smith

Wed 11/5

2:05 pm-4:43 pm

1 stop19h 38m

$1,217

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Tue 1/20

2:04 pm-7:25 am

2 stops24h 21m

Sydney Kingsford Smith

Fri 2/20

2:05 pm-10:21 pm

1 stop25h 16m

$1,218

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Sat 1/17

3:03 pm-7:25 am

2 stops23h 22m

Sydney Kingsford Smith

Sun 1/25

2:05 pm-8:08 pm

1 stop23h 03m

$1,218

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 10/29

2:55 pm-12:45 pm

3 stops29h 50m

Sydney Kingsford Smith

Wed 11/5

2:00 pm-12:40 am

3 stops27h 40m

$1,223

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Tue 1/20

7:00 am-6:20 am

1 stop30h 20m

Sydney Kingsford Smith

Fri 2/20

11:50 am-2:10 pm

1 stop19h 20m

$1,229

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Tue 12/9

1:40 pm-7:00 am

2 stops24h 20m

Sydney Kingsford Smith

Tue 12/23

11:50 am-2:13 pm

1 stop19h 23m

$1,229

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 36 results

Best time to book a flight from Missouri to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

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

Currently, March is the cheapest month in which you can book a flight from Missouri to Sydney (average of $1,032). Flying from Missouri to Sydney 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 SYD?

When flying from Missouri to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Missouri to Sydney?

Related info for your journey

What airport do you fly into for flights to Sydney from Missouri?
Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Missouri to Sydney. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.
How long is the flight from Missouri to Sydney?
For as low as $1,213, Air Canada can have you in Sydney from Missouri in 20h 37m. The distance from Missouri to Sydney is about 8839 mi. This flight may include one or multiple stops.
What are the most popular routes from Missouri to Sydney?
The most popular route from Missouri to Sydney is Lambert-St Louis - Sydney Kingsford Smith. You may also consider Kansas City - Sydney Kingsford Smith or Columbia Regional - Sydney Kingsford Smith.
Can I find deals for flights from Missouri to Sydney that include hotel bookings?
Yes. In addition to deals on Missouri to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Missouri to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Sydney.
Can I find deals for business class flights from Missouri to Sydney?
Yes. Cheapflights offers flight deals from Missouri to Sydney 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 Sydney?
Currently, March is the cheapest month in which you can book a flight from Missouri to Sydney (average of $1,032). Flying from Missouri to Sydney 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

Parramatta

Wollongong

Manly

Coogee

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Top 7 airlines flying from Missouri to Sydney

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$822	Average$1,283	FlexibilityNo cancel fee	On-time69%
Fiji Airways	Cheapest$887	Average$1,222	FlexibilityNo cancel fee	On-time74%
Air Canada	Cheapest$897	Average$1,202	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$1,044	Average$1,598	FlexibilityNo cancel fee	On-time71%
Qantas Airways	Cheapest$1,130	Average$1,560	FlexibilityNo cancel fee	On-time74%
Air New Zealand	Cheapest$1,173	Average$1,873	FlexibilityNo cancel fee	On-time78%
Delta	Cheapest$1,211	Average$1,442	FlexibilityNo cancel fee	On-timeN/A

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$699+ Cheap flights from Missouri to Sydney (SYD)

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 10/14. 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 Sydney

Keep the following information in mind while searching for Missouri to Sydney flight deals. Data was last updated September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Missouri to Sydney

Cheapest flights from Missouri to SydneyExplore the most affordable flight options available from Missouri to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from Missouri to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Missouri to Sydney

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

Cheapflights Insights

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

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

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

Find hourly flight availability from Missouri to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

How much does it cost to fly round-trip from Missouri to Sydney?

Related info for your journey

Find useful and relevant information for your journey from Missouri to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Sydney from Missouri?

How long is the flight from Missouri to Sydney?

What are the most popular routes from Missouri to Sydney?

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

How can I find direct flights from Missouri to Sydney?

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

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

Traveling to a place near Sydney?

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Alternative routes for Missouri to Sydney

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Top 7 airlines flying from Missouri to Sydney

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Cheapest flights from Missouri to Sydney
Explore the most affordable flight options available from Missouri to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.