Cheap flights from Sydney to Missouri from $943

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
16 Apr — 23 Apr1
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 17 March 2026.

Wed 20/509:20
SYD
-
STL
2 stops65h 46m
Air Canada
Thu 28/507:05
STL
-
SYD
2 stops33h 15m
Air Canada
Deal found 16/3$1,343
Wed 20/509:20
SYD
-
STL
2 stops41h 46m
Multiple Airlines
Thu 28/516:48
STL
-
SYD
2 stops23h 32m
Multiple Airlines
Deal found 16/3$1,451
Wed 5/809:20
SYD
-
STL
2 stops43h 42m
Air Canada
Sat 29/808:55
STL
-
SYD
2 stops55h 25m
Air Canada
Deal found 16/3$1,490
Sat 2/509:20
SYD
-
MCI
2 stops40h 13m
Air Canada
Wed 6/513:50
MCI
-
SYD
2 stops26h 30m
Air Canada
Deal found 16/3$1,565
Wed 5/811:55
SYD
-
STL
2 stops37h 12m
Air New Zealand
Sat 29/815:02
STL
-
SYD
2 stops26h 43m
Air New Zealand
Deal found 16/3$1,573
Sun 24/511:55
SYD
-
MCI
2 stops25h 20m
Air New Zealand
Wed 16/908:30
MCI
-
SYD
2 stops33h 15m
Air New Zealand
Deal found 16/3$1,578
Sat 16/509:20
SYD
-
STL
2 stops50h 23m
Air Canada
Fri 5/607:05
STL
-
SYD
2 stops33h 15m
Air Canada
Deal found 16/3$1,607
Tue 26/509:20
SYD
-
MCI
2 stops22h 02m
Air Canada
Wed 16/913:45
MCI
-
SYD
2 stops26h 35m
Air Canada
Deal found 16/3$1,612
Fri 1/509:20
SYD
-
STL
2 stops41h 46m
Multiple Airlines
Fri 8/514:35
STL
-
SYD
2 stops25h 45m
Multiple Airlines
Deal found 17/3$1,617
Tue 1/909:20
SYD
-
MCI
2 stops42h 19m
Air Canada
Tue 15/906:00
MCI
-
SYD
2 stops34h 20m
Air Canada
Deal found 17/3$1,619
Tue 28/409:20
SYD
-
STL
2 stops45h 05m
Air Canada
Tue 5/507:05
STL
-
SYD
2 stops33h 15m
Air Canada
Deal found 14/3$1,623
Thu 6/809:20
SYD
-
STL
2 stops43h 42m
Air Canada
Sun 30/814:40
STL
-
SYD
2 stops49h 40m
Air Canada
Deal found 14/3$1,627

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 17 March 2026.

Round-trip from

$1,343

One-way from

$943

Popular in

July

Cheapest in

May

Average price

$1,701
Air Canada
  • Air Canada
  • 20/5-28/5
  • 4 total stops
  • 99h 01m total
  • Sydney to Missouri
Air New Zealand
  • Air New Zealand
  • 24/5
  • 2 total stops
  • 25h 20m total
  • Sydney to Missouri
Highest demand for flights based on searches. 2% potential increase in price ($70 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($78 potential savings vs. average return price).
Average for round-trip flights in March 2026

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 17 March 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 return flight

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 20/5

09:20-12:06

2 stops41h 46m

Lambert-St Louis

Thu 28/5

13:05-07:20

3 stops51h 15m

$1,629

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Tue 1/9

09:10-18:50

2 stops24h 40m

Kansas City

Tue 15/9

17:20-06:55

1 stop22h 35m

$1,661

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Fri 7/8

09:20-14:02

2 stops43h 42m

Lambert-St Louis

Mon 31/8

12:10-07:20

3 stops52h 10m

$1,694

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Fri 7/8

09:10-23:08

1 stop28h 58m

Lambert-St Louis

Mon 31/8

06:30-07:05

1 stop33h 35m

$1,713

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 20/5

09:10-23:59

1 stop29h 49m

Lambert-St Louis

Thu 28/5

17:18-07:05

2 stops22h 47m

$1,713

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 27/5

09:20-23:57

2 stops29h 37m

Lambert-St Louis

Sun 31/5

05:10-07:20

2 stops35h 10m

$1,779

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Sat 2/5

09:20-10:33

2 stops40h 13m

Kansas City

Wed 6/5

06:00-07:20

2 stops34h 20m

$1,792

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Wed 20/5

12:00-17:07

1 stop20h 07m

Kansas City

Fri 5/6

19:46-08:00

2 stops45h 14m

$1,819

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 28/4

09:10-23:57

1 stop29h 47m

Lambert-St Louis

Tue 5/5

06:21-07:05

1 stop33h 44m

$1,846

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 6/8

10:20-18:17

1 stop22h 57m

Lambert-St Louis

Sun 30/8

16:40-07:00

2 stops23h 20m

$1,859

Flights are sorted by cheapest return flights first.

Deals found on 13/3

Showing 1-10 of 31 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 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 $1,147). Flying from Sydney to Missouri in March is currently the most expensive (average of $1,617). 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 17 March 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.

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

7.2

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

7.2

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

7.2

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

Overall

7.5

Comfort

7.4

Food

7.0

Entertainment

7.2

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

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?

    Air Canada, American Airlines, and Qantas Airways can get you from Sydney to Missouri in just under 20h 07m. Your travel time can differ by up to 21h 39m. 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?

  • 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 $1,147). Flying from Sydney to Missouri in March is currently the most expensive (average of $1,617). 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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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 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$676Average$1,599FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,132Average$1,469FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,543Average$1,828FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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

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

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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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