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Cheap flights from Sydney to Missouri from $978

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 14 November 2025.

Sat 27/1214:15SYD - STL
2 stops35h 43mDelta
Sat 3/107:00STL - SYD
2 stops30h 50mDelta
Deal found 12/11$2,327
Sat 27/1212:10SYD - STL
2 stops22h 44mUnited Airlines
Sat 3/118:35STL - SYD
2 stops43h 25mUnited Airlines
Deal found 12/11$2,438
Sat 27/1211:50SYD - MCI
1 stop19h 23mUnited Airlines
Sat 3/117:07MCI - SYD
2 stops44h 13mUnited Airlines
Deal found 12/11$2,438
Sun 28/1212:10SYD - MCI
2 stops20h 57mUnited Airlines
Sun 4/109:00MCI - SYD
2 stops28h 20mUnited Airlines
Deal found 12/11$2,442
Wed 17/1214:05SYD - MCI
1 stop22h 08mAmerican Airlines
Thu 1/114:00MCI - SYD
2 stops25h 35mAmerican Airlines
Deal found 12/11$2,718
Wed 17/1212:10SYD - MCI
2 stops22h 15mUnited Airlines
Thu 1/110:05MCI - SYD
2 stops27h 55mUnited Airlines
Deal found 12/11$3,072
Wed 17/1210:40SYD - MCI
1 stop21h 20mDelta
Thu 1/116:05MCI - SYD
1 stop21h 45mDelta
Deal found 13/11$3,226
Wed 17/1213:00SYD - MCI
2 stops23h 13mMultiple Airlines
Thu 1/114:00MCI - SYD
3 stops26h 20mMultiple Airlines
Deal found 12/11$3,668
Sat 27/1208:00SYD - STL
3 stops28h 26mMultiple Airlines
Sat 3/111:41STL - SYD
2 stops27h 54mMultiple Airlines
Deal found 12/11$4,343

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 14 November 2025.

Round-trip from

$1,729

One-way from

$978

Popular in

May

Cheapest in

November

Average price

$1,573
Air Canada
  • Air Canada
  • 12/3-16/3
  • 4 total stops
  • 70h 39m total
  • Sydney to Missouri
Search Deals
Air New Zealand
  • Air New Zealand
  • 15/4
  • 2 total stops
  • 36h 07m total
  • Sydney to Missouri
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($122 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($64 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 14 November 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

Thu 12/3

10:25-15:29

2 stops45h 04m

Lambert-St Louis

Mon 16/3

09:00-08:35

2 stops31h 35m

$1,734

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sun 3/5

10:20-18:22

1 stop23h 02m

Lambert-St Louis

Sun 17/5

05:20-06:55

2 stops34h 35m

$1,851

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 8/1

10:40-21:35

2 stops27h 55m

Lambert-St Louis

Mon 26/1

17:00-08:30

2 stops22h 30m

$2,028

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 8/1

10:40-08:53

2 stops39h 13m

Lambert-St Louis

Sun 1/2

09:59-08:30

2 stops29h 31m

$2,028

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 12/3

06:30-14:02

2 stops23h 32m

Lambert-St Louis

Mon 16/3

06:30-09:00

1 stop34h 30m

$2,178

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

Thu 5/3

10:40-21:46

2 stops28h 06m

Springfield-Branson

Mon 9/3

11:45-07:25

2 stops27h 40m

$2,232

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Sun 8/3

07:20-15:01

2 stops24h 41m

Kansas City

Tue 10/3

18:11-06:55

1 stop20h 44m

$2,287

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Sun 8/3

10:40-13:49

1 stop20h 09m

Kansas City

Tue 10/3

15:45-06:05

1 stop22h 20m

$2,338

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

Mon 19/1

14:15-21:46

2 stops24h 31m

Springfield-Branson

Thu 22/1

12:02-06:50

2 stops25h 48m

$2,341

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sun 11/1

11:50-22:00

1 stop27h 10m

Lambert-St Louis

Tue 27/1

11:20-06:20

2 stops26h 00m

$2,367

Flights are sorted by cheapest return flights first.

Deals found on 11/11

Showing 1-10 of 38 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, October is the cheapest month in which you can book a flight from Sydney to Missouri (average of $1,264). Flying from Sydney to Missouri in May is currently the most expensive (average of $1,831). 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.

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 14 November 2025.

It’s optimal to fly from Sydney to Missouri at midday. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight in the evening.

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 14 November 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.
Qantas Airways
7.5
Good
934 reviews
Check prices

Crew

8.2

Comfort

7.5

Entertainment

7.2

Food

7.0

Overall

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
934 reviews
Qantas Airways
7.5
Good
934 reviews
Check prices

Crew

8.2

Comfort

7.5

Entertainment

7.2

Food

7.0

Overall

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
United Airlines
7.4
Good
9,016 reviews
Qantas Airways
7.5
Good
934 reviews
Check prices

Crew

8.2

Comfort

7.5

Entertainment

7.2

Food

7.0

Overall

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Air Canada
7.1
Good
10,444 reviews
Qantas Airways
7.5
Good
934 reviews
Check prices

Crew

8.2

Comfort

7.5

Entertainment

7.2

Food

7.0

Overall

7.5

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

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, United Airlines, and Delta can get you from Sydney to Missouri in just under 23h 02m. Your travel time can differ by up to 22h 02m. There are 14571 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 New Zealand ($978), Qantas Airways ($1,074), and American Airlines ($1,149).

  • 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, October is the cheapest month in which you can book a flight from Sydney to Missouri (average of $1,264). Flying from Sydney to Missouri in May is currently the most expensive (average of $1,831). 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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Alternative routes for Sydney to Missouri

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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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,216Average$1,609FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,269Average$2,007FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,682Average$2,204FlexibilityNo 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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