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Missouri

$635+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Gotogate deal was found by Cheapflights users on 10/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:20 amSYD - STL
2 stops45h 09mAir Canada
Sun 11/304:05 pmSTL - SYD
2 stops48h 30mAir Canada
Deal found 10/30$915
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/2411:20 amSYD - STL
1 stop29h 22mAmerican Airlines
Sun 11/307:00 amSTL - SYD
1 stop33h 00mAmerican Airlines
Deal found 10/30$974
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/2411:50 amSYD - STL
2 stops22h 49mUnited Airlines
Sun 11/3011:20 amSTL - SYD
1 stop26h 40mUnited Airlines
Deal found 10/30$991
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Thu 11/2711:20 amSYD - MCI
2 stops29h 39mAmerican Airlines
Thu 12/45:35 pmMCI - SYD
2 stops22h 25mAmerican Airlines
Deal found 10/30$1,029
This BYOjet deal was found by Cheapflights users on 10/30. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:45 amSYD - MCI
2 stops23h 34mAir New Zealand
Thu 12/47:30 amMCI - SYD
2 stops36h 10mAir New Zealand
Deal found 10/30$1,032
This Air New Zealand deal was found by Cheapflights users on 10/30. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:45 amSYD - MCI
2 stops23h 34mMultiple Airlines
Thu 12/49:02 amMCI - SYD
3 stops30h 43mMultiple Airlines
Deal found 10/30$1,197
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/1011:50 amSYD - MCI
1 stop19h 27mUnited Airlines
Thu 1/89:05 amMCI - SYD
2 stops28h 15mUnited Airlines
Deal found 10/27$1,314
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:40 amSYD - MCI
1 stop21h 15mDelta
Thu 12/43:55 pmMCI - SYD
1 stop23h 35mDelta
Deal found 10/30$1,547
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:40 amSYD - STL
2 stops24h 17mDelta
Thu 11/206:40 amSTL - SYD
2 stops32h 50mDelta
Deal found 10/28$1,605
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 11/162:05 pmSYD - STL
1 stop20h 03mAmerican Airlines
Thu 11/207:00 amSTL - SYD
1 stop33h 00mAmerican Airlines
Deal found 10/28$1,619
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/1712:10 pmSYD - MCI
2 stops20h 56mUnited Airlines
Thu 1/13:19 pmMCI - SYD
2 stops24h 46mUnited Airlines
Deal found 10/30$1,640
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sun 11/1611:50 amSYD - STL
1 stop21h 00mUnited Airlines
Thu 11/208:20 amSTL - SYD
2 stops31h 45mUnited Airlines
Deal found 10/28$1,750

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$878
(Air Canada)

One-way from

$635
(BYOjet)

Popular in

December

Cheapest in

November

Average price

$1,254
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
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 30, 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 3/12

10:25 am-3:29 pm

2 stops45h 04m

Lambert-St Louis

Mon 3/16

3:00 pm-8:35 am

2 stops25h 35m

$878

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 11/24

11:20 am-3:29 pm

2 stops45h 09m

Lambert-St Louis

Sun 11/30

4:05 pm-9:35 am

2 stops48h 30m

$915

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 11/24

11:20 am-11:42 pm

1 stop29h 22m

Lambert-St Louis

Sun 11/30

7:00 am-9:00 am

1 stop33h 00m

$974

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

Thu 3/5

11:20 am-4:25 pm

2 stops22h 05m

Springfield-Branson

Mon 3/9

6:46 pm-9:00 am

2 stops46h 14m

$979

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 11/24

11:50 am-5:39 pm

2 stops22h 49m

Lambert-St Louis

Sun 11/30

11:20 am-7:00 am

1 stop26h 40m

$991

SydneySpringfield

SYD - SGF

SYDSGF

Sydney Kingsford Smith

Thu 3/5

11:50 am-2:05 pm

1 stop19h 15m

Springfield-Branson

Mon 3/9

5:01 pm-7:00 am

2 stops45h 59m

$996

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 11/27

11:20 am-11:59 pm

2 stops29h 39m

Kansas City

Thu 12/4

5:35 pm-9:00 am

2 stops22h 25m

$1,029

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Thu 11/27

11:45 am-6:19 pm

2 stops23h 34m

Kansas City

Thu 12/4

9:02 am-8:45 am

3 stops30h 43m

$1,197

SydneyKansas City

SYD - MCI

SYDMCI

Sydney Kingsford Smith

Sun 3/8

11:20 am-10:17 pm

2 stops27h 57m

Kansas City

Tue 3/10

1:45 pm-8:35 am

2 stops26h 50m

$1,252

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sat 1/10

8:45 am-7:51 pm

2 stops28h 06m

Lambert-St Louis

Sun 6/7

6:30 am-7:05 am

1 stop33h 35m

$1,297

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 30 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 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, September is the cheapest month in which you can book a flight from Sydney to Missouri (average of $829). Flying from Sydney to Missouri in April is currently the most expensive (average of $1,102). 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 October 30, 2025.
Read through reviews of airlines operating flights from Sydney to Missouri, such as Qantas Airways and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
925 reviews

Boarding

7.7

Food

7.0

Entertainment

7.2

Crew

8.2

Comfort

7.5

Overall

7.5

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
925 reviews
Qantas Airways
7.5
Good
925 reviews

Boarding

7.7

Food

7.0

Entertainment

7.2

Crew

8.2

Comfort

7.5

Overall

7.5

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
8,998 reviews
Qantas Airways
7.5
Good
925 reviews

Boarding

7.7

Food

7.0

Entertainment

7.2

Crew

8.2

Comfort

7.5

Overall

7.5

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?

    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 49m. The distance between Sydney and Missouri is about 9054 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Sydney to Missouri one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $769. Users have also found prices from $834 and $835 on American Airlines and Delta, respectively.

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

    The most popular route from Sydney to Missouri is Sydney Kingsford Smith - Kansas City. You may also consider Sydney Kingsford Smith - Springfield-Branson or Sydney Kingsford Smith - Lambert-St Louis.

  • 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, September is the cheapest month in which you can book a flight from Sydney to Missouri (average of $829). Flying from Sydney to Missouri in April is currently the most expensive (average of $1,102). 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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Top 2 airlines flying from Sydney to Missouri

Discover the top 2 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 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$857Average$1,401FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,110Average$1,789FlexibilityNo cancel feeOn-time74%

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