Missouri

$664+ Cheap flights from Sydney (SYD) 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
Apr 16 — Apr 231
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sydney to Missouri with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Sydney to Missouri

Cheapest flights from Sydney to Missouri
Explore the most affordable flight options available from Sydney to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Gotogate deal was found by Cheapflights users on 3/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:20 am
SYD
-
STL
2 stops65h 46m
Air Canada
Thu 5/287:05 am
STL
-
SYD
2 stops33h 15m
Air Canada
Deal found 3/16$946
This Air Canada deal was found by Cheapflights users on 3/16. 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.
Wed 5/209:20 am
SYD
-
STL
2 stops41h 46m
Multiple Airlines
Thu 5/284:48 pm
STL
-
SYD
2 stops23h 32m
Multiple Airlines
Deal found 3/16$1,022
This Gotogate deal was found by Cheapflights users on 3/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:20 am
SYD
-
STL
2 stops43h 42m
Air Canada
Sat 8/298:55 am
STL
-
SYD
2 stops55h 25m
Air Canada
Deal found 3/16$1,049
This Air Canada deal was found by Cheapflights users on 3/16. 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.
Sat 5/29:20 am
SYD
-
MCI
2 stops40h 13m
Air Canada
Wed 5/61:50 pm
MCI
-
SYD
2 stops26h 30m
Air Canada
Deal found 3/16$1,102
This Expedia deal was found by Cheapflights users on 3/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:55 am
SYD
-
STL
2 stops37h 12m
Air New Zealand
Sat 8/293:02 pm
STL
-
SYD
2 stops26h 43m
Air New Zealand
Deal found 3/16$1,108
This BYOjet deal was found by Cheapflights users on 3/16. 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.
Sun 5/2411:55 am
SYD
-
MCI
2 stops25h 20m
Air New Zealand
Wed 9/168:30 am
MCI
-
SYD
2 stops33h 15m
Air New Zealand
Deal found 3/16$1,111
This Gotogate deal was found by Cheapflights users on 3/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:20 am
SYD
-
STL
2 stops50h 23m
Air Canada
Fri 6/57:05 am
STL
-
SYD
2 stops33h 15m
Air Canada
Deal found 3/16$1,132
This BYOjet deal was found by Cheapflights users on 3/16. 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.
Tue 5/269:20 am
SYD
-
MCI
2 stops22h 02m
Air Canada
Wed 9/161:45 pm
MCI
-
SYD
2 stops26h 35m
Air Canada
Deal found 3/16$1,135
This Air Canada deal was found by Cheapflights users on 3/17. 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.
Tue 9/19:20 am
SYD
-
MCI
2 stops42h 19m
Air Canada
Tue 9/156:00 am
MCI
-
SYD
2 stops34h 20m
Air Canada
Deal found 3/17$1,140
This Gotogate deal was found by Cheapflights users on 3/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:20 am
SYD
-
STL
2 stops45h 05m
Air Canada
Tue 5/57:05 am
STL
-
SYD
2 stops33h 15m
Air Canada
Deal found 3/14$1,143
This Gotogate deal was found by Cheapflights users on 3/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:20 am
SYD
-
STL
2 stops43h 42m
Air Canada
Sun 8/302:40 pm
STL
-
SYD
2 stops49h 40m
Air Canada
Deal found 3/14$1,146
This Aunt Betty deal was found by Cheapflights users on 3/16. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:45 pm
SYD
-
MCI
2 stops33h 58m
Multiple Airlines
Tue 11/103:34 pm
MCI
-
SYD
2 stops35h 11m
Multiple Airlines
Deal found 3/16$1,149

Find flight deals from Sydney to Missouri

Keep the following information in mind while searching for Sydney to Missouri flight deals. Data was last updated March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$946
(Gotogate)

One-way from

$664
(BYOjet)

Popular in

July

Cheapest in

May

Average price

$1,198
Provider with most accurate pricing for Sydney Kingsford Smith-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Lambert-St Louis flights.
From Sydney Kingsford Smith to Missouri
One-way flight from Sydney Kingsford Smith to Missouri
Highest demand for flights based on searches. 2% potential increase in price ($35 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney 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 March 17, 2026.
Use the filters below to find and compare flights from Sydney to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/20

9:20 am-12:06 pm

2 stops41h 46m

Lambert-St Louis

Thu 5/28

1:05 pm-7:20 am

3 stops51h 15m

$1,147

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Tue 9/1

9:10 am-6:50 pm

2 stops24h 40m

Kansas City

Tue 9/15

5:20 pm-6:55 am

1 stop22h 35m

$1,170

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Fri 8/7

9:20 am-2:02 pm

2 stops43h 42m

Lambert-St Louis

Mon 8/31

12:10 pm-7:20 am

3 stops52h 10m

$1,193

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/20

9:10 am-11:59 pm

1 stop29h 49m

Lambert-St Louis

Thu 5/28

5:18 pm-7:05 am

2 stops22h 47m

$1,206

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 8/5

8:45 am-6:14 pm

2 stops24h 29m

Lambert-St Louis

Sat 8/29

6:30 am-7:05 am

1 stop33h 35m

$1,229

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/27

9:20 am-11:57 pm

2 stops29h 37m

Lambert-St Louis

Sun 5/31

5:10 am-7:20 am

2 stops35h 10m

$1,253

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Sat 5/2

9:20 am-10:33 am

2 stops40h 13m

Kansas City

Wed 5/6

6:00 am-7:20 am

2 stops34h 20m

$1,262

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Wed 5/20

12:00 pm-5:07 pm

1 stop20h 07m

Kansas City

Fri 6/5

7:46 pm-8:00 am

2 stops45h 14m

$1,281

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 4/28

9:10 am-11:57 pm

1 stop29h 47m

Lambert-St Louis

Tue 5/5

6:21 am-7:05 am

1 stop33h 44m

$1,300

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 8/6

10:20 am-6:17 pm

1 stop22h 57m

Lambert-St Louis

Sun 8/30

4:40 pm-7:00 am

2 stops23h 20m

$1,309

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 32 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from Sydney to Missouri

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

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

Currently, November is the cheapest month in which you can book a flight from Sydney to Missouri (average of $808). Flying from Sydney to Missouri in March is currently the most expensive (average of $1,139). 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.

Related info for your journey

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

    If you book a flight to Missouri from Sydney, you will be flying from Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney.

  • How long is the flight from Sydney to Missouri?

    Departing from Sydney to Missouri will take you 20h 07m. The distance between Sydney and Missouri is about 8839 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Sydney to Missouri?

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

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

  • How can I find direct flights from Sydney to Missouri?

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

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

    Yes. Cheapflights offers flight deals from Sydney 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 Sydney to Missouri?

    Currently, November is the cheapest month in which you can book a flight from Sydney to Missouri (average of $808). Flying from Sydney to Missouri in March is currently the most expensive (average of $1,139). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.