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Cheap flights from Sydney to Missouri from $659

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Missouri

Enter your travel dates to find the best prices.

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 28 January 2026.

Tue 3/311:20
SYD
-
STL
1 stop29h 39m
American Airlines
Mon 13/412:27
STL
-
SYD
2 stops27h 38m
American Airlines
Deal found 26/1$1,495
Thu 19/211:20
SYD
-
STL
1 stop29h 39m
American Airlines
Mon 23/206:38
STL
-
SYD
1 stop33h 22m
American Airlines
Deal found 27/1$1,500
Thu 12/211:20
SYD
-
STL
2 stops25h 09m
American Airlines
Wed 18/214:31
STL
-
SYD
2 stops25h 29m
American Airlines
Deal found 27/1$1,510
Mon 23/214:15
SYD
-
STL
2 stops35h 51m
Delta
Mon 2/311:23
STL
-
SYD
2 stops28h 07m
Delta
Deal found 25/1$1,519
Fri 13/206:30
SYD
-
STL
2 stops27h 43m
Qantas Airways
Thu 19/218:50
STL
-
SYD
2 stops30h 00m
Qantas Airways
Deal found 27/1$1,520
Tue 3/312:10
SYD
-
STL
2 stops25h 16m
United Airlines
Mon 13/416:49
STL
-
SYD
2 stops23h 11m
United Airlines
Deal found 28/1$1,526
Thu 12/311:20
SYD
-
STL
1 stop28h 38m
Multiple Airlines
Thu 19/318:50
STL
-
SYD
2 stops30h 50m
Multiple Airlines
Deal found 27/1$1,533
Thu 12/306:05
SYD
-
STL
2 stops25h 23m
Qantas Airways
Thu 19/318:50
STL
-
SYD
2 stops34h 50m
Qantas Airways
Deal found 27/1$1,544
Thu 12/311:20
SYD
-
STL
1 stop28h 38m
American Airlines
Thu 19/316:13
STL
-
SYD
1 stop22h 42m
American Airlines
Deal found 27/1$1,554
Thu 12/313:15
SYD
-
STL
2 stops26h 10m
Delta
Thu 19/312:28
STL
-
SYD
2 stops25h 37m
Delta
Deal found 26/1$1,559
Tue 17/206:30
SYD
-
MCI
2 stops23h 38m
Qantas Airways
Sat 21/213:58
MCI
-
SYD
2 stops31h 57m
Qantas Airways
Deal found 26/1$1,660
Sun 15/220:10
SYD
-
MCI
2 stops33h 58m
Qantas Airways
Fri 20/213:58
MCI
-
SYD
2 stops27h 57m
Qantas Airways
Deal found 27/1$1,716

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 28 January 2026.

Round-trip from

$1,495

One-way from

$659

Popular in

December

Cheapest in

August

Average price

$1,897
American Airlines
  • American Airlines
  • 3/3-13/4
  • 4 total stops
  • 54h 30m total
  • Sydney to Missouri
Search Deals
18/2
  • 18/2
  • 3 total stops
  • 26h 33m total
  • Sydney to Missouri
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($185 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($80 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 28 January 2026.
Use the filters below to find and compare flights from Sydney to Missouri that are best for you.

Fly from

Sydney

Fly to

Missouri

Route

Depart

Return

Price

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 3/3

11:20-21:12

2 stops26h 52m

Lambert-St Louis

Mon 13/4

12:27-07:05

2 stops27h 38m

$1,495

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 19/2

11:20-23:59

1 stop29h 39m

Lambert-St Louis

Mon 23/2

14:31-09:00

2 stops25h 29m

$1,495

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 12/2

11:20-19:29

2 stops25h 09m

Lambert-St Louis

Wed 18/2

14:31-09:00

2 stops25h 29m

$1,510

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 3/3

10:40-19:39

2 stops25h 59m

Lambert-St Louis

Mon 13/4

12:23-06:50

2 stops27h 27m

$1,519

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Tue 17/2

06:30-13:08

2 stops23h 38m

Kansas City

Sat 21/2

13:58-14:55

2 stops31h 57m

$1,660

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Sun 15/2

20:10-13:08

2 stops33h 58m

Kansas City

Fri 20/2

13:58-10:55

2 stops27h 57m

$1,716

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Wed 11/3

11:50-16:52

1 stop21h 02m

Kansas City

Wed 18/3

15:05-09:05

2 stops26h 00m

$1,965

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Fri 12/6

11:55-22:30

2 stops25h 35m

Kansas City

Thu 18/6

08:34-10:40

2 stops35h 06m

$1,985

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Tue 17/2

11:20-16:19

2 stops21h 59m

Kansas City

Sat 21/2

05:54-09:35

2 stops34h 41m

$2,287

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Tue 17/2

11:20-08:57

2 stops38h 37m

Kansas City

Sat 21/2

13:58-06:55

1 stop23h 57m

$2,386

Flights are sorted by cheapest return flights first.

Deals found on 25/1

Showing 1-10 of 29 results
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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 return 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 $1,163). Flying from Sydney to Missouri in March is currently the most expensive (average of $1,612). 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.

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated 28 January 2026.
See what other customers who have flown with Qantas Airways, United Airlines, andAir Canada from Sydney to Missouri have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
978 reviews
Check prices

Overall

7.5

Comfort

7.5

Boarding

7.7

Entertainment

7.2

Crew

8.2

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2026

SYD - LAX

Flight Cancelled after sitting on plane for 1 1/2 hours. Didn't fly till next day. Incurred change fees on my connection in LAX. Next Day flight late. Missed connection on American in LA. AA couldn't rebook. Had to pay $800 to rebook on SW Air.
Qantas Airways
7.5
Good
978 reviews
Qantas Airways
7.5
Good
978 reviews
Check prices

Overall

7.5

Comfort

7.5

Boarding

7.7

Entertainment

7.2

Crew

8.2

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2026

SYD - LAX

Flight Cancelled after sitting on plane for 1 1/2 hours. Didn't fly till next day. Incurred change fees on my connection in LAX. Next Day flight late. Missed connection on American in LA. AA couldn't rebook. Had to pay $800 to rebook on SW Air.
United Airlines
7.4
Good
9,210 reviews
Qantas Airways
7.5
Good
978 reviews
Check prices

Overall

7.5

Comfort

7.5

Boarding

7.7

Entertainment

7.2

Crew

8.2

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2026

SYD - LAX

Flight Cancelled after sitting on plane for 1 1/2 hours. Didn't fly till next day. Incurred change fees on my connection in LAX. Next Day flight late. Missed connection on American in LA. AA couldn't rebook. Had to pay $800 to rebook on SW Air.
Air Canada
7.1
Good
10,666 reviews
Qantas Airways
7.5
Good
978 reviews
Check prices

Overall

7.5

Comfort

7.5

Boarding

7.7

Entertainment

7.2

Crew

8.2

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jan 2026

SYD - LAX

Flight Cancelled after sitting on plane for 1 1/2 hours. Didn't fly till next day. Incurred change fees on my connection in LAX. Next Day flight late. Missed connection on American in LA. AA couldn't rebook. Had to pay $800 to rebook on SW Air.

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?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Missouri. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

  • How long is the flight from Sydney to Missouri?

    American Airlines, Qantas Airways, and United Airlines can get you from Sydney to Missouri in just under 21h 02m. Your travel time can differ by up to 5h 50m. There are 14225 km between Sydney and Missouri. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    When deciding which route to take from Sydney to Missouri, consider Sydney Kingsford Smith - Lambert-St Louis, Sydney Kingsford Smith - Kansas City or Sydney Kingsford Smith - Springfield-Branson, as they are the most popular.

  • 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 holiday 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 $1,163). Flying from Sydney to Missouri in March is currently the most expensive (average of $1,612). 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

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Alternative routes for Sydney to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Sydney to Missouri

Discover the top 3 airlines that operate flights from Sydney to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$685Average$1,715FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,147Average$1,500FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,748Average$1,871FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to Missouri?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Missouri from Sydney today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sydney to Missouri?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Missouri for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sydney to Missouri with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Missouri flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sydney to Missouri become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Missouri from Sydney today and book when prices fit your budget.

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