How long does it take to fly to Sydney?

Flight times from Missouri to Sydney vary, but if you’re flying out of Kansas City and flying into Sydney (one of the most popular routes), then the duration is 20h 15m on average. Another popular route from Missouri to Sydney is flying from Columbia to Sydney, which will take roughly 22h 38m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Missouri to Sydney Kingsford Smith?

United Airlines, Delta, and Air New Zealand are the most popular carriers operating from Missouri to Sydney Kingsford Smith

What airlines fly to Sydney?

Qantas Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Sydney from Missouri according to our data. Qantas Airways is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 5 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Missouri to Sydney Kingsford Smith Airport?

Prices for flights from Missouri to Sydney Kingsford Smith Airport are updated daily.

How many operators does momondo search for flights from Missouri to Sydney Kingsford Smith Airport?

As of July 2026, there are 5 operators available to choose from for flights from Missouri to Sydney Kingsford Smith Airport.

How old do you have to be to fly from Missouri to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$601 Cheap Flights from Missouri to Sydney in 2026

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Find the cheapest flights from Missouri to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:53 pm - 6:55 am

MCI

SYD

20h 02m

1 stop

12:00 pm - 6:34 pm

SYD

MCI

21h 34m

1 stop

$1,139Qantas Airways

Wed, Jul 29 - Mon, Aug 17

3:32 pm - 6:55 am

STL

SYD

24h 23m

1 stop

12:00 pm - 6:05 pm

SYD

STL

21h 05m

1 stop

$1,146Qantas Airways

Mon, Aug 17 - Mon, Aug 24

6:00 am - 7:30 am

STL

SYD

34h 30m

1 stop

9:10 am - 10:59 pm

SYD

STL

28h 49m

1 stop

$1,152Qantas Airways

Mon, Aug 10 - Mon, Aug 17

8:42 am - 6:55 am

STL

SYD

31h 13m

1 stop

10:20 am - 6:39 pm

SYD

STL

23h 19m

1 stop

$1,175Air New Zealand

Wed, Aug 12 - Wed, Aug 19

4:48 pm - 7:00 am

STL

SYD

23h 12m

2 stops

9:30 am - 7:16 pm

SYD

STL

24h 46m

2 stops

$1,177Air New Zealand

Mon, Aug 10 - Mon, Aug 17

5:24 pm - 6:55 am

MCI

SYD

22h 31m

2 stops

9:30 am - 3:45 pm

SYD

MCI

21h 15m

1 stop

$1,186United Airlines

Mon, Jul 27 - Mon, Aug 10

7:23 pm - 6:55 am

STL

SYD

20h 32m

1 stop

10:20 am - 6:39 pm

SYD

STL

23h 19m

1 stop

$1,186United Airlines

Mon, Aug 10 - Mon, Aug 17

2:30 pm - 7:30 am

MCI

SYD

26h 00m

2 stops

9:10 am - 4:29 pm

SYD

MCI

22h 19m

2 stops

$1,187American Airlines

Wed, Jul 29 - Mon, Aug 17

3:39 pm - 6:50 am

STL

SYD

24h 11m

2 stops

9:15 am - 11:26 pm

SYD

STL

29h 11m

2 stops

$1,190Delta

Mon, Aug 10 - Mon, Aug 17

3:47 pm - 7:05 am

MCI

SYD

24h 18m

2 stops

12:00 pm - 4:29 pm

SYD

MCI

19h 29m

1 stop

$1,275American Airlines

Sat, Aug 15 - Sat, Aug 22

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Qantas Airways flights from Missouri to Sydney

Our best Qantas Airways deals on Missouri to Sydney flight tickets

Qantas Airways

Aug 17

STL3:32 pmLambert-St Louis

24h 23m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 24

SYD12:00 pmSydney Kingsford Smith

21h 05m

1 stop

STL6:05 pmLambert-St Louis

$1,146

Qantas Airways

Aug 10

STL6:00 amLambert-St Louis

34h 30m

1 stop

SYD7:30 amSydney Kingsford Smith

Aug 17

SYD9:10 amSydney Kingsford Smith

28h 49m

1 stop

STL10:59 pmLambert-St Louis

$1,152

Qantas Airways

Aug 22

STL5:11 pmLambert-St Louis

22h 44m

1 stop

SYD6:55 amSydney Kingsford Smith

Sep 8

SYD5:50 pmSydney Kingsford Smith

20h 09m

1 stop

STL10:59 pmLambert-St Louis

$1,194

Delta flights from Missouri to Sydney

Our best Delta deals on Missouri to Sydney flight tickets

Delta

Aug 10

STL3:39 pmLambert-St Louis

24h 11m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 17

SYD9:15 amSydney Kingsford Smith

29h 11m

2 stops

STL11:26 pmLambert-St Louis

$1,190

Delta

Jul 7

MCI7:00 amKansas City

32h 50m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 3

SYD9:15 amSydney Kingsford Smith

29h 26m

1 stop

MCI11:41 pmKansas City

$1,199

Delta

Aug 8

STL5:00 pmLambert-St Louis

46h 50m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 19

SYD9:15 amSydney Kingsford Smith

24h 40m

2 stops

STL6:55 pmLambert-St Louis

$1,205

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 7/29

7:53 pm-6:55 am

1 stop20h 02m

Sydney Kingsford Smith

Mon 8/17

12:00 pm-6:34 pm

1 stop21h 34m

$1,139

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Mon 8/17

3:32 pm-6:55 am

1 stop24h 23m

Sydney Kingsford Smith

Mon 8/24

12:00 pm-6:05 pm

1 stop21h 05m

$1,146

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Mon 8/10

6:00 am-7:30 am

1 stop34h 30m

Sydney Kingsford Smith

Mon 8/17

9:10 am-10:59 pm

1 stop28h 49m

$1,152

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Wed 8/12

8:42 am-6:55 am

1 stop31h 13m

Sydney Kingsford Smith

Wed 8/19

10:20 am-6:39 pm

1 stop23h 19m

$1,175

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Mon 8/10

4:48 pm-7:00 am

2 stops23h 12m

Sydney Kingsford Smith

Mon 8/17

9:30 am-7:16 pm

2 stops24h 46m

$1,177

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Mon 7/27

5:24 pm-6:55 am

2 stops22h 31m

Sydney Kingsford Smith

Mon 8/10

9:30 am-3:45 pm

1 stop21h 15m

$1,186

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Mon 8/10

7:23 pm-6:55 am

1 stop20h 32m

Sydney Kingsford Smith

Mon 8/17

10:20 am-6:39 pm

1 stop23h 19m

$1,186

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 7/29

2:30 pm-7:30 am

2 stops26h 00m

Sydney Kingsford Smith

Mon 8/17

9:10 am-4:29 pm

2 stops22h 19m

$1,187

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Mon 8/10

3:39 pm-6:50 am

2 stops24h 11m

Sydney Kingsford Smith

Mon 8/17

9:15 am-11:26 pm

2 stops29h 11m

$1,190

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Sat 8/15

3:47 pm-7:05 am

2 stops24h 18m

Sydney Kingsford Smith

Sat 8/22

12:00 pm-4:29 pm

1 stop19h 29m

$1,275

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Sydney?

In general, May is the cheapest month to fly from Missouri to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $310. If you are unable to visit Sydney during the month of May, then departing from Missouri during the month December is also very affordable. Most momondo users find prices during this month for around $509.

Can stopping save me money on Missouri to Sydney flights?

You could potentially save up to 8% on your flight if you consider stops on a Missouri to Sydney flight.

Cheap Missouri to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Sydney

Fastest flight time	20h 15m
Direct flights	None

The fastest flight from Missouri to Sydney takes 20h 15m

There are no direct flights from Missouri to Sydney. There are no popular flight routes from Missouri to Sydney.

Search flight deals

Frequently asked questions about flying from Missouri to Sydney

When did momondo last update prices for flights from Missouri to Sydney Kingsford Smith Airport?
Prices for flights from Missouri to Sydney Kingsford Smith Airport are updated daily.
How many operators does momondo search for flights from Missouri to Sydney Kingsford Smith Airport?
As of July 2026, there are 5 operators available to choose from for flights from Missouri to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Missouri to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Missouri to Sydney

Compare and see reviews for airlines that fly from Missouri to Sydney with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $917	Free Cancellation	Rating 7.4 9,930 reviews	Search United Airlines flights
Delta	PriceFrom $917	Free Cancellation	Rating 7.8 8,454 reviews	Search Delta flights
Air Canada	PriceFrom $1,000	Free Cancellation	Rating 7.1 11,296 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,044	Free Cancellation	Rating 7.1 11,763 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $1,094	Free Cancellation	Rating 7.5 1,056 reviews	Search Qantas Airways flights

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Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Sydney?

Finding the right flight to Sydney from Missouri is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

Can I find flights from Missouri to Sydney with flexible booking policies on momondo?

Flights from Missouri to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Missouri to Sydney?

Once you have performed a search for Missouri to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Missouri to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Missouri and alert you when they change.

An easier way to manage your Sydney trip

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Cheap flights from Missouri to Sydney from $601

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Sydney departing on 8/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Qantas Airways flights from Missouri to Sydney

Our best Qantas Airways deals on Missouri to Sydney flight tickets

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How to get the cheapest flight ticket from Missouri to Sydney

What is the cheapest month to fly to Sydney?

Can stopping save me money on Missouri to Sydney flights?

What is the cheapest airline that flies from Missouri to Sydney Kingsford Smith?

What airlines fly to Sydney?

How long does it take to fly to Sydney?

Cheap Missouri to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Sydney

Fastest flight time

Direct flights

Frequently asked questions about flying from Missouri to Sydney

Best airlines flying from Missouri to Sydney

Compare and see reviews for airlines that fly from Missouri to Sydney with momondo

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Airports servicing New South Wales

Fly your favorite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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