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Missouri

$1,209+ Cheap flights from Sydney (SYD) to Missouri

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
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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 April 17, 2026.

This Air Canada deal was found by Cheapflights users on 4/12. 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 5/279:20 am
SYD
-
STL
2 stops26h 05m
Air Canada
Wed 6/31:05 pm
STL
-
SYD
2 stops51h 15m
Air Canada
Deal found 4/12$1,209
This Jettzy deal was found by Cheapflights users on 4/13. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:20 am
SYD
-
STL
2 stops26h 23m
Air Canada
Thu 6/114:48 pm
STL
-
SYD
2 stops23h 32m
Air Canada
Deal found 4/13$1,245
This BYOjet deal was found by Cheapflights users on 4/13. 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.
Wed 5/209:20 am
SYD
-
STL
2 stops26h 05m
Air Canada
Fri 6/124:48 pm
STL
-
SYD
2 stops23h 32m
Air Canada
Deal found 4/13$1,257
This Air Canada deal was found by Cheapflights users on 4/13. 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
Air Canada
Thu 5/281:05 pm
STL
-
SYD
2 stops27h 15m
Air Canada
Deal found 4/13$1,259
This Flightnetwork deal was found by Cheapflights users on 4/13. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:20 am
SYD
-
STL
2 stops46h 11m
Air Canada
Sun 9/62:40 pm
STL
-
SYD
2 stops49h 40m
Air Canada
Deal found 4/13$1,262
This Air Canada deal was found by Cheapflights users on 4/12. 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.
Thu 5/79:20 am
SYD
-
MCI
2 stops40h 13m
Air Canada
Mon 5/116:00 am
MCI
-
SYD
2 stops34h 20m
Air Canada
Deal found 4/12$1,276
This Air Canada deal was found by Cheapflights users on 4/13. 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.
Fri 5/159:20 am
SYD
-
STL
2 stops26h 05m
Air Canada
Sun 6/71:05 pm
STL
-
SYD
2 stops51h 15m
Air Canada
Deal found 4/13$1,304
This Air Canada deal was found by Cheapflights users on 4/13. 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.
Fri 5/89:20 am
SYD
-
STL
2 stops26h 23m
Air Canada
Tue 5/127:05 am
STL
-
SYD
2 stops33h 15m
Air Canada
Deal found 4/13$1,311
This Gotogate deal was found by Cheapflights users on 4/13. 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 stops29h 37m
Air Canada
Sun 8/302:40 pm
STL
-
SYD
2 stops49h 40m
Air Canada
Deal found 4/13$1,315
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:30 am
SYD
-
MCI
1 stop21h 06m
United Airlines
Sun 5/102:59 pm
MCI
-
SYD
2 stops49h 01m
United Airlines
Deal found 4/15$1,491
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:30 am
SYD
-
MCI
1 stop20h 22m
United Airlines
Thu 4/304:17 pm
MCI
-
SYD
1 stop23h 43m
United Airlines
Deal found 4/16$1,549
This Ovago deal was found by Cheapflights users on 4/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:15 pm
SYD
-
MCI
2 stops32h 44m
Qantas Airways
Thu 4/305:30 am
MCI
-
SYD
2 stops34h 05m
Qantas Airways
Deal found 4/16$1,550

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 April 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,245
(Jettzy)

Popular in

July

Cheapest in

September

Average price

$1,640
Provider with most accurate pricing for Sydney Kingsford Smith-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Lambert-St Louis flights.
Search Deals
From Sydney Kingsford Smith to Missouri
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 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 5/27

9:20 am-8:25 pm

3 stops50h 05m

Lambert-St Louis

Wed 6/3

1:05 pm-7:20 am

2 stops51h 15m

$1,217

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

4:48 pm-7:20 am

2 stops23h 32m

$1,257

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

$1,473

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 8/5

10:20 am-6:17 pm

1 stop22h 57m

Lambert-St Louis

Sat 8/29

1:18 pm-6:55 am

2 stops26h 37m

$1,531

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 8/13

11:55 am-11:50 pm

3 stops26h 55m

Lambert-St Louis

Sun 9/6

1:36 pm-8:45 am

3 stops28h 09m

$1,658

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 8/5

11:55 am-11:57 pm

3 stops27h 02m

Lambert-St Louis

Sat 8/29

1:36 pm-8:45 am

3 stops28h 09m

$1,713

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sat 8/15

6:25 am-7:14 pm

3 stops27h 49m

Lambert-St Louis

Wed 9/9

5:11 pm-8:00 am

2 stops23h 49m

$1,757

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

Sat 8/15

9:10 am-8:53 pm

2 stops26h 43m

Springfield-Branson

Thu 12/10

2:16 pm-8:40 am

2 stops25h 24m

$1,783

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

Sat 8/15

12:00 pm-9:29 pm

1 stop24h 29m

Springfield-Branson

Thu 12/10

8:00 am-6:55 am

1 stop29h 55m

$1,787

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Sun 10/11

10:20 am-11:37 pm

2 stops29h 17m

Kansas City

Wed 10/14

9:17 am-8:20 am

2 stops31h 03m

$1,794

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

Showing 1-10 of 17 resultsSorted by cheapest first
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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, July is the cheapest month in which you can book a flight from Sydney to Missouri (average of $538). Flying from Sydney to Missouri in March is currently the most expensive (average of $1,182). 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.

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

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 22h 57m. The distance between Sydney and Missouri is about 9054 mi. This flight may include one or multiple stops.

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

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

  • 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, July is the cheapest month in which you can book a flight from Sydney to Missouri (average of $538). Flying from Sydney to Missouri in March is currently the most expensive (average of $1,182). 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

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