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$509+ Cheap flights from Missouri to Sydney (SYD)

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Missouri to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Missouri (USMO) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$1,229
(Air Canada)

One-way from

$509
(Kiwi.com)
From Missouri to Sydney Kingsford Smith
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One-way flight from Missouri to Sydney Kingsford Smith
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Find flight deals from Missouri to Sydney

Cheapest flights from Missouri to Sydney
Explore the most affordable flight options available from Missouri to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Jetabroad deal was found by Cheapflights users on 1/20. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/62:55 pmSTL - SYD
2 stops31h 40mMultiple Airlines
Sun 11/165:25 pmSYD - STL
2 stops23h 31mMultiple Airlines
Deal found 1/20$1,052
This Gotogate deal was found by Cheapflights users on 1/20. 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.
Wed 8/271:27 pmSTL - SYD
2 stops38h 48mANA
Wed 9/2411:50 amSYD - STL
2 stops43h 45mANA
Deal found 1/20$1,157
This Air Canada deal was found by Cheapflights users on 1/20. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/171:30 pmSTL - SYD
2 stops50h 50mAir Canada
Tue 7/19:20 amSYD - STL
2 stops44h 56mAir Canada
Deal found 1/20$1,229
This American Airlines deal was found by Cheapflights users on 1/21. 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 3/203:48 pmSTL - SYD
2 stops25h 12mAmerican Airlines
Fri 3/2811:15 amSYD - STL
2 stops24h 14mAmerican Airlines
Deal found 1/21$1,244
This Air Canada deal was found by Cheapflights users on 1/20. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/231:55 pmMCI - SYD
2 stops26h 25mMultiple Airlines
Wed 6/49:20 amSYD - MCI
2 stops25h 57mMultiple Airlines
Deal found 1/20$1,268
This Delta deal was found by Cheapflights users on 1/20. 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 8/243:45 pmMCI - SYD
1 stop23h 50mDelta
Sun 8/319:25 amSYD - MCI
1 stop20h 24mDelta
Deal found 1/20$1,274
This Justfly.com deal was found by Cheapflights users on 1/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/84:57 pmMCI - SYD
2 stops23h 23mAir Canada
Mon 8/119:20 amSYD - MCI
2 stops29h 08mAir Canada
Deal found 1/21$1,292
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/67:00 amMCI - SYD
2 stops43h 45mAlaska Airlines
Thu 3/139:40 pmSYD - MCI
2 stops42h 19mAlaska Airlines
Deal found 1/20$1,352
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/65:37 pmSTL - SYD
2 stops26h 23mFiji Airways
Thu 3/132:00 pmSYD - STL
2 stops25h 09mFiji Airways
Deal found 1/20$1,423
This Gurufare deal was found by Cheapflights users on 1/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/18:00 amMCI - SYD
2 stops44h 15mANA
Sat 6/148:55 pmSYD - MCI
2 stops39h 28mANA
Deal found 1/20$1,445
This United Airlines deal was found by Cheapflights users on 1/20. 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 8/271:30 pmSTL - SYD
2 stops26h 30mUnited Airlines
Wed 9/2410:20 amSYD - STL
1 stop21h 43mUnited Airlines
Deal found 1/20$1,455
This United Airlines deal was found by Cheapflights users on 1/20. 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 4/234:35 pmMCI - SYD
2 stops23h 25mUnited Airlines
Wed 6/410:20 amSYD - MCI
1 stop22h 16mUnited Airlines
Deal found 1/20$1,459

Find flights from Missouri to Sydney within your budget

Customize your flight search to find flights from Missouri to Sydney 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Thu 2/20

11:25 am-1:00 pm

2 stops32h 35m

Sydney Kingsford Smith

Thu 3/20

2:00 pm-7:29 pm

2 stops21h 29m

$1,148

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Tue 6/17

1:30 pm-7:20 am

2 stops50h 50m

Sydney Kingsford Smith

Tue 7/1

9:20 am-3:16 pm

2 stops44h 56m

$1,229

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Thu 3/20

3:48 pm-9:00 am

2 stops25h 12m

Sydney Kingsford Smith

Fri 3/28

11:15 am-7:29 pm

2 stops24h 14m

$1,244

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 4/23

1:55 pm-7:20 am

2 stops26h 25m

Sydney Kingsford Smith

Wed 6/4

9:20 am-8:17 pm

2 stops25h 57m

$1,268

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Mon 2/17

2:25 pm-8:35 am

1 stop25h 10m

Sydney Kingsford Smith

Mon 2/24

11:05 am-1:50 pm

1 stop19h 45m

$1,274

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Thu 3/6

7:00 am-7:45 pm

2 stops43h 45m

Sydney Kingsford Smith

Thu 3/13

9:40 pm-11:59 pm

2 stops42h 19m

$1,352

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Thu 3/6

5:37 pm-1:00 pm

2 stops26h 23m

Sydney Kingsford Smith

Thu 3/13

2:00 pm-11:09 pm

2 stops25h 09m

$1,423

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Sun 6/1

8:00 am-7:15 pm

2 stops44h 15m

Sydney Kingsford Smith

Sat 6/14

8:55 pm-9:23 pm

2 stops39h 28m

$1,445

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 4/23

4:35 pm-7:00 am

2 stops23h 25m

Sydney Kingsford Smith

Wed 6/4

10:20 am-5:36 pm

1 stop22h 16m

$1,459

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 6/18

2:56 pm-8:45 am

2 stops26h 49m

Sydney Kingsford Smith

Sun 7/6

11:50 am-10:42 pm

2 stops25h 52m

$1,519

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 38 results
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Best time to book a flight from Missouri to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Missouri 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.

Travel insights for flights from Missouri to Sydney

Get recent, data-driven insights about flights from Missouri to Sydney including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Missouri to Sydney?

Currently, February is the cheapest month in which you can book a flight from Missouri to Sydney (average of $1,051). Flying from Missouri to Sydney in December is currently the most expensive (average of $1,643). 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 MO to SYD?

Find hourly flight availability from Missouri to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from Missouri to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated January 21, 2025.
To help decide which airline to fly from Missouri to Sydney, see what other customers have to say about LATAM Airlines, Cathay Pacific and Air New Zealand. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
852 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

Overall

8.4

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

ANA
8.4
Very good
852 reviews
ANA
8.4
Very good
852 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

Overall

8.4

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Japan Airlines
8.3
Very good
1,449 reviews
ANA
8.4
Very good
852 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

Overall

8.4

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Alaska Airlines
8.0
Very good
9,706 reviews
ANA
8.4
Very good
852 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

Overall

8.4

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Delta
8.0
Very good
8,521 reviews
ANA
8.4
Very good
852 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

Overall

8.4

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Air New Zealand
7.9
Good
483 reviews
ANA
8.4
Very good
852 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

Overall

8.4

Comfort

8.2

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Related info for your journey

Find useful and relevant information for your journey from Missouri to Sydney. 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 into for flights to Sydney from Missouri?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Missouri to Sydney. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $658. Air Canada flights start at $864 while deals on United Airlines start at $932 one-way.

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

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

  • Can I find deals for flights from Missouri to Sydney that include hotel bookings?

    Yes. In addition to deals on Missouri to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Sydney.

  • Can I find deals for business class flights from Missouri to Sydney?

    Yes. Cheapflights offers flight deals from Missouri to Sydney 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 Missouri to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Missouri to Sydney (average of $1,051). Flying from Missouri to Sydney in December is currently the most expensive (average of $1,643). 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

Traveling to a place near Missouri?

Book flights to Missouri if you plan to visit one of these locations
Wollongong
Parramatta
Coogee
Manly

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Top 6 airlines flying from Missouri to Sydney

Discover the top 6 airlines that operate flights from Missouri to Sydney. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$915Average$1,440FlexibilityNo cancel feeOn-time69%
DeltaCheapest$942Average$1,511FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$962Average$1,331FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,125Average$1,646FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,262Average$1,678FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,327Average$1,671FlexibilityNo cancel feeOn-time78%
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