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Missouri

$626+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — MCI
Jul 14 — Jul 211
Tue 7/14
Tue 7/21
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 June 14, 2026.

This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:10 am
SYD
-
STL
2 stops38h 13m
American Airlines
Tue 8/115:42 am
STL
-
SYD
1 stop34h 13m
American Airlines
Deal found 6/9$996
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:10 am
SYD
-
STL
2 stops23h 55m
American Airlines
Wed 9/93:34 pm
STL
-
SYD
2 stops24h 31m
American Airlines
Deal found 6/10$999
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:10 am
SYD
-
MCI
2 stops23h 17m
American Airlines
Tue 8/42:30 pm
MCI
-
SYD
2 stops25h 35m
American Airlines
Deal found 6/11$1,000
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:10 am
SYD
-
MCI
2 stops30h 13m
American Airlines
Wed 8/1212:17 pm
MCI
-
SYD
2 stops27h 48m
American Airlines
Deal found 6/9$1,001
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:10 am
SYD
-
STL
2 stops22h 31m
American Airlines
Sun 9/61:25 pm
STL
-
SYD
2 stops27h 05m
American Airlines
Deal found 6/10$1,006
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 6/1710:20 am
SYD
-
STL
1 stop22h 57m
United Airlines
Sat 7/47:05 pm
STL
-
SYD
2 stops44h 50m
United Airlines
Deal found 6/9$1,018
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/2710:20 am
SYD
-
MCI
1 stop26h 55m
United Airlines
Tue 8/411:25 am
MCI
-
SYD
2 stops28h 35m
United Airlines
Deal found 6/11$1,018
This Qantas Airways deal was found by Cheapflights users on 6/10. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:10 am
SYD
-
STL
1 stop28h 49m
Qantas Airways
Wed 9/96:30 am
STL
-
SYD
1 stop33h 35m
Qantas Airways
Deal found 6/10$1,045
This Qantas Airways deal was found by Cheapflights users on 6/10. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:00 pm
SYD
-
STL
1 stop19h 41m
Qantas Airways
Sun 9/66:45 pm
STL
-
SYD
1 stop21h 10m
Qantas Airways
Deal found 6/10$1,046
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:10 am
SYD
-
STL
1 stop28h 49m
American Airlines
Mon 9/76:00 am
STL
-
SYD
1 stop34h 05m
American Airlines
Deal found 6/10$1,048
This Aunt Betty deal was found by Cheapflights users on 6/10. 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.
Sat 8/2912:00 pm
SYD
-
STL
1 stop19h 14m
Qantas Airways
Sun 9/66:45 pm
STL
-
SYD
1 stop21h 10m
Qantas Airways
Deal found 6/10$1,052
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:10 am
SYD
-
STL
2 stops25h 17m
American Airlines
Sun 9/63:35 pm
STL
-
SYD
1 stop24h 20m
American Airlines
Deal found 6/10$1,056

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 June 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$996
(American Airlines)

One-way from

$626
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$1,450
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
One-way flight from Sydney Kingsford Smith to Missouri
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 14, 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

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Mon 8/3

12:00 pm-7:01 pm

1 stop22h 01m

Kansas City

Wed 8/12

12:17 pm-6:55 am

1 stop27h 38m

$1,015

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Mon 7/27

10:20 am-10:15 pm

1 stop26h 55m

Kansas City

Tue 8/4

11:25 am-7:00 am

2 stops28h 35m

$1,018

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Sun 7/26

10:20 am-10:15 pm

1 stop26h 55m

Kansas City

Sun 8/2

6:41 pm-6:55 am

2 stops45h 14m

$1,062

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 7/30

9:20 am-6:42 pm

2 stops48h 22m

Lambert-St Louis

Mon 8/3

12:10 pm-7:20 am

2 stops52h 10m

$1,067

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 8/26

9:15 am-4:44 pm

2 stops22h 29m

Lambert-St Louis

Thu 9/3

3:50 pm-6:50 am

2 stops24h 00m

$1,099

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sat 8/29

9:15 am-11:31 pm

2 stops29h 16m

Lambert-St Louis

Thu 9/3

12:52 pm-6:50 am

2 stops26h 58m

$1,180

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Tue 9/1

9:30 am-8:34 pm

2 stops26h 04m

Kansas City

Tue 9/15

3:29 pm-6:55 am

1 stop24h 26m

$1,183

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Fri 8/7

9:20 am-8:22 pm

2 stops26h 02m

Lambert-St Louis

Tue 8/11

8:55 am-7:20 am

2 stops31h 25m

$1,187

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 8/6

12:00 pm-6:47 pm

1 stop21h 47m

Kansas City

Mon 8/10

3:22 pm-7:05 am

2 stops24h 43m

$1,191

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 7/30

10:20 am-6:17 pm

1 stop22h 57m

Lambert-St Louis

Mon 8/3

7:23 pm-6:55 am

1 stop20h 32m

$1,201

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 34 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, 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 $1,182). 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 01m. 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?

    The most popular route from Sydney to Missouri is Sydney Kingsford Smith - Lambert-St Louis. You may also consider Sydney Kingsford Smith - Springfield-Branson 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, 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 $1,182). 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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