What airlines fly to Sydney?

United Airlines, Qantas Airways and American Airlines are the top three most popular airlines that fly to Sydney from Missouri according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 6 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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

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

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 19h 56m on average. Another popular route from Missouri to Sydney is flying from St. Louis to Sydney, which will take roughly 20h 32m. Keep in mind that layovers or delays could extend your travel time.

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 May 2026, there are 6 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.

$645 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.

6:13 pm - 8:50 pm

STL

SYD

33h 37m

2 stops

11:15 am - 11:42 pm

SYD

STL

29h 27m

1 stop

$946Qantas Airways

Sun, Nov 1 - Sat, Nov 14

7:00 am - 9:00 am

STL

SYD

33h 00m

1 stop

5:50 pm - 12:37 pm

SYD

STL

35h 47m

2 stops

$1,096Qantas Airways

Sat, Nov 7 - Thu, Nov 12

5:24 pm - 7:20 am

MCI

SYD

22h 56m

2 stops

9:20 am - 10:50 am

SYD

MCI

40h 30m

2 stops

$1,142Air Canada

Tue, Jun 2 - Tue, Jun 16

7:59 pm - 6:55 am

MCI

SYD

19h 56m

1 stop

9:30 am - 3:45 pm

SYD

MCI

21h 15m

1 stop

$1,160Air New Zealand

Tue, Jun 2 - Sun, Jun 14

7:23 pm - 6:55 am

STL

SYD

20h 32m

1 stop

10:20 am - 6:39 pm

SYD

STL

23h 19m

1 stop

$1,160Air New Zealand

Wed, Jul 22 - Sun, Aug 30

4:26 pm - 7:00 am

MCI

SYD

23h 34m

1 stop

9:30 am - 3:45 pm

SYD

MCI

21h 15m

1 stop

$1,161United Airlines

Sun, Jun 7 - Wed, Jun 24

7:23 pm - 6:55 am

STL

SYD

20h 32m

1 stop

10:20 am - 6:17 pm

SYD

STL

22h 57m

1 stop

$1,161United Airlines

Wed, Jul 22 - Sun, Aug 2

5:24 pm - 7:20 am

MCI

SYD

22h 56m

2 stops

9:20 am - 11:25 pm

SYD

MCI

53h 05m

2 stops

$1,209Air Canada

Mon, Jun 1 - Sat, Jun 6

6:01 am - 6:50 am

COU

SYD

56h 49m

2 stops

3:50 pm - 8:07 pm

SYD

COU

44h 17m

2 stops

$2,141Qatar Airways

Tue, Oct 27 - Sat, Oct 31

12:45 pm - 6:10 am

COU

SYD

50h 25m

2 stops

2:50 pm - 9:21 pm

SYD

COU

45h 31m

2 stops

$2,166Qatar Airways

Wed, Aug 19 - Sun, Aug 23

Delta flights from Missouri to Sydney

Our best Delta deals on Missouri to Sydney flight tickets

Delta

Jul 18

MCI7:32 amKansas City

32h 18m

1 stop

SYD6:50 amSydney Kingsford Smith

Jul 29

SYD9:15 amSydney Kingsford Smith

20h 35m

1 stop

MCI2:50 pmKansas City

$1,220

Delta

Jul 18

MCI7:32 amKansas City

32h 18m

1 stop

SYD6:50 amSydney Kingsford Smith

Jul 29

SYD9:15 amSydney Kingsford Smith

20h 35m

1 stop

MCI2:50 pmKansas City

$1,221

Delta

Jul 3

MCI7:00 amKansas City

32h 50m

2 stops

SYD6:50 amSydney Kingsford Smith

Jul 10

SYD9:15 amSydney Kingsford Smith

22h 33m

2 stops

MCI4:48 pmKansas City

$1,266

Air Canada flights from Missouri to Sydney

Our best Air Canada deals on Missouri to Sydney flight tickets

Air Canada

Jun 2

MCI5:24 pmKansas City

22h 56m

2 stops

SYD7:20 amSydney Kingsford Smith

Jun 16

SYD9:20 amSydney Kingsford Smith

40h 30m

2 stops

MCI10:50 amKansas City

$1,142

Air Canada

Jun 1

MCI5:24 pmKansas City

22h 56m

2 stops

SYD7:20 amSydney Kingsford Smith

Jun 6

SYD9:20 amSydney Kingsford Smith

53h 05m

2 stops

MCI11:25 pmKansas City

$1,209

Air Canada

May 17

STL7:05 amLambert-St Louis

33h 15m

2 stops

SYD7:20 amSydney Kingsford Smith

May 24

SYD9:20 amSydney Kingsford Smith

22h 13m

2 stops

STL4:33 pmLambert-St Louis

$1,213

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sun 11/1

6:13 pm-8:50 pm

2 stops33h 37m

Sydney Kingsford Smith

Sat 11/14

11:15 am-11:42 pm

1 stop29h 27m

$946

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sat 11/7

7:00 am-9:00 am

1 stop33h 00m

Sydney Kingsford Smith

Thu 11/12

5:50 pm-12:37 pm

2 stops35h 47m

$1,096

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Tue 6/2

5:24 pm-7:20 am

2 stops22h 56m

Sydney Kingsford Smith

Tue 6/16

9:20 am-10:50 am

2 stops40h 30m

$1,142

Quickest round-trip

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Tue 6/2

7:59 pm-6:55 am

1 stop19h 56m

Sydney Kingsford Smith

Sun 6/14

9:30 am-3:45 pm

1 stop21h 15m

$1,160

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Wed 7/22

7:23 pm-6:55 am

1 stop20h 32m

Sydney Kingsford Smith

Sun 8/30

10:20 am-6:39 pm

1 stop23h 19m

$1,160

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Sun 6/7

4:26 pm-7:00 am

1 stop23h 34m

Sydney Kingsford Smith

Wed 6/24

9:30 am-3:45 pm

1 stop21h 15m

$1,161

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Wed 7/22

7:23 pm-6:55 am

1 stop20h 32m

Sydney Kingsford Smith

Sun 8/2

10:20 am-6:17 pm

1 stop22h 57m

$1,161

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Mon 6/1

5:24 pm-7:20 am

2 stops22h 56m

Sydney Kingsford Smith

Sat 6/6

9:20 am-11:25 pm

2 stops53h 05m

$1,209

ColumbiaSydney

COU - SYD

COUSYD

Columbia Regional

Tue 10/27

6:01 am-6:50 am

2 stops56h 49m

Sydney Kingsford Smith

Sat 10/31

3:50 pm-8:07 pm

2 stops44h 17m

$2,141

ColumbiaSydney

COU - SYD

COUSYD

Columbia Regional

Wed 8/19

12:45 pm-6:10 am

2 stops50h 25m

Sydney Kingsford Smith

Sun 8/23

2:50 pm-9:21 pm

2 stops45h 31m

$2,166

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 12% 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	19h 56m
Direct flights	None

The fastest flight from Missouri to Sydney takes 19h 56m

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 May 2026, there are 6 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 $551	Free Cancellation	Rating 7.4 9,727 reviews	Search United Airlines flights
Fiji Airways	PriceFrom $887	Free Cancellation	Rating 8.1 241 reviews	Search Fiji Airways flights
Delta	PriceFrom $917	Free Cancellation	Rating 7.9 8,455 reviews	Search Delta flights
Air Canada	PriceFrom $1,000	Free Cancellation	Rating 7.1 11,046 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,044	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $1,120	Free Cancellation	Rating 7.5 1,037 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 $645

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 7/31. 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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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

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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.

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

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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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