Cheap flights from Sydney to Missouri from $740

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
8 Sep — 15 Sep1
1 adult

Cheap flight deals from Sydney to Missouri

Keep the following information in mind while searching for Sydney to Missouri flight deals. Data was last updated 3 September 2025.

Round-trip from

$1,262

One-way from

$740

Popular in

December

Cheapest in

November

Average price

$2,063
American Airlines
  • American Airlines
  • 25/11-14/12
  • 4 total stops
  • 59h 28m total
  • Sydney to Missouri
Air Canada
  • Air Canada
  • 1/12
  • 2 total stops
  • 45h 57m total
  • Sydney to Missouri
High demand for flights, 1% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($53 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find 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 3 September 2025.

Tue 25/1111:20SYD - STL
2 stops28h 09mAmerican Airlines
Sun 14/1208:41STL - SYD
2 stops31h 19mAmerican Airlines
Deal found 3/9$1,262
Tue 25/1111:20SYD - STL
2 stops45h 09mMultiple Airlines
Tue 9/1213:35STL - SYD
2 stops24h 20mMultiple Airlines
Deal found 2/9$1,263
Sat 18/1010:30SYD - STL
2 stops23h 47mUnited Airlines
Sat 25/1017:28STL - SYD
2 stops23h 37mUnited Airlines
Deal found 3/9$1,265
Sat 18/1010:30SYD - SGF
2 stops27h 37mUnited Airlines
Sat 25/1015:05SGF - SYD
2 stops26h 00mUnited Airlines
Deal found 2/9$1,280
Sat 18/1010:30SYD - MCI
2 stops29h 00mUnited Airlines
Sat 25/1016:44MCI - SYD
1 stop22h 16mUnited Airlines
Deal found 3/9$1,280
Thu 16/1010:30SYD - MCI
2 stops21h 46mUnited Airlines
Thu 23/1007:30MCI - SYD
2 stops32h 25mUnited Airlines
Deal found 31/8$1,285
Fri 17/1011:20SYD - MCI
2 stops28h 10mUnited Airlines
Fri 24/1013:46MCI - SYD
2 stops26h 14mUnited Airlines
Deal found 2/9$1,286
Tue 25/1111:50SYD - STL
1 stop21h 00mUnited Airlines
Tue 9/1209:00STL - SYD
2 stops31h 15mUnited Airlines
Deal found 2/9$1,306
Tue 25/1111:20SYD - STL
2 stops28h 09mAmerican Airlines
Mon 15/1206:55STL - SYD
1 stop33h 05mAmerican Airlines
Deal found 3/9$1,361
Sat 18/1010:10SYD - STL
1 stop28h 55mAmerican Airlines
Sat 25/1006:39STL - SYD
1 stop34h 21mAmerican Airlines
Deal found 3/9$1,364
Wed 22/1010:10SYD - STL
2 stops22h 13mAmerican Airlines
Thu 23/1012:23STL - SYD
2 stops27h 42mAmerican Airlines
Deal found 1/9$1,441
Thu 27/1111:20SYD - STL
1 stop20h 57mAmerican Airlines
Thu 11/1206:55STL - SYD
1 stop33h 05mAmerican Airlines
Deal found 3/9$1,462

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 3 September 2025.
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

Wed 26/11

11:20-23:51

2 stops29h 31m

Lambert-St Louis

Tue 16/12

06:55-09:00

1 stop33h 05m

$1,262

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 26/11

11:20-23:51

2 stops29h 31m

Lambert-St Louis

Sun 14/12

06:55-09:00

1 stop33h 05m

$1,262

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 25/11

11:20-22:29

2 stops28h 09m

Lambert-St Louis

Tue 16/12

06:55-09:00

1 stop33h 05m

$1,262

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 25/11

11:20-22:29

2 stops28h 09m

Lambert-St Louis

Sun 14/12

08:41-09:00

2 stops31h 19m

$1,262

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 25/11

11:20-15:29

2 stops45h 09m

Lambert-St Louis

Tue 9/12

13:35-06:55

2 stops24h 20m

$1,263

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sat 18/10

10:30-18:17

2 stops23h 47m

Lambert-St Louis

Sat 25/10

17:28-09:05

2 stops23h 37m

$1,265

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

Sat 18/10

10:30-20:32

2 stops26h 02m

Springfield-Branson

Sat 25/10

15:05-07:00

1 stop23h 55m

$1,280

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Sat 18/10

10:30-22:27

2 stops27h 57m

Kansas City

Sat 25/10

17:18-09:15

2 stops23h 57m

$1,280

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 16/10

10:30-16:16

2 stops21h 46m

Kansas City

Thu 23/10

07:30-07:55

2 stops32h 25m

$1,285

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Fri 17/10

11:20-23:30

2 stops28h 10m

Kansas City

Fri 24/10

13:46-08:00

2 stops26h 14m

$1,286

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 28 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 time of day to fly from SYD to MO?

Find hourly flight availability from Sydney to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Missouri as you normally would.

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 3 September 2025.
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.

Entertainment

7.2

Comfort

7.5

Crew

8.2

Boarding

7.7

Overall

7.5

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Entertainment

7.2

Comfort

7.5

Crew

8.2

Boarding

7.7

Overall

7.5

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Entertainment

7.2

Comfort

7.5

Crew

8.2

Boarding

7.7

Overall

7.5

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Entertainment

7.2

Comfort

7.5

Crew

8.2

Boarding

7.7

Overall

7.5

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

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 and United Airlines can get you from Sydney to Missouri in just under 26h 02m. Your travel time can differ by up to 3h 29m. There are 14272 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 cheapest airlines to fly from Sydney to Missouri one-way?

    The cheapet airlines for a one-way flight from Sydney to Missouri are Air Canada ($740), American Airlines ($760), and Delta ($770).

  • 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.

See more FAQs

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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 3 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,222Average$1,717FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,282Average$2,133FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,690Average$2,364FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

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

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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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