Sydney

$645+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYD
Feb 25 — Mar 41
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missouri to Sydney with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Missouri to Sydney

Keep the following information in mind while searching for Missouri to Sydney flight deals. Data was last updated February 20, 2025.

Round-trip from

$1,148
(oojo)

One-way from

$645
(Ovago)
From Missouri to Sydney Kingsford Smith
One-way flight from Missouri to Sydney Kingsford Smith

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 February 20, 2025.

This oojo deal was found by Cheapflights users on 2/19. 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.
Sat 5/107:05 pmSTL - SYD
2 stops25h 40mFiji Airways
Sat 5/311:45 pmSYD - STL
2 stops24h 02mFiji Airways
Deal found 2/19$1,148
This Gurufare deal was found by Cheapflights users on 2/19. 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 6/85:55 pmSTL - SYD
2 stops23h 50mAir New Zealand
Sun 7/611:50 amSYD - STL
2 stops25h 25mAir New Zealand
Deal found 2/19$1,171
This Fiji Airways deal was found by Cheapflights users on 2/20. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/65:18 pmMCI - SYD
2 stops27h 27mMultiple Airlines
Sat 5/101:45 pmSYD - MCI
2 stops23h 06mMultiple Airlines
Deal found 2/20$1,184
This oojo deal was found by Cheapflights users on 2/20. 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.
Sun 4/276:20 amMCI - SYD
2 stops35h 25mAir New Zealand
Sun 5/1811:50 amSYD - MCI
2 stops41h 12mAir New Zealand
Deal found 2/20$1,198
This Air Canada deal was found by Cheapflights users on 2/19. 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.
Fri 6/61:30 pmSTL - SYD
2 stops26h 50mAir Canada
Tue 7/89:20 amSYD - STL
2 stops49h 40mAir Canada
Deal found 2/19$1,235
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 6/86:12 pmMCI - SYD
1 stop21h 43mUnited Airlines
Mon 6/2310:20 amSYD - MCI
1 stop22h 11mUnited Airlines
Deal found 2/20$1,251
This Delta deal was found by Cheapflights users on 2/19. 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.
Wed 6/183:45 pmMCI - SYD
1 stop23h 50mDelta
Wed 6/259:25 amSYD - MCI
1 stop28h 51mDelta
Deal found 2/19$1,260
This American Airlines deal was found by Cheapflights users on 2/18. 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 6/236:29 amSTL - SYD
1 stop33h 36mAmerican Airlines
Thu 7/319:10 amSYD - STL
1 stop28h 57mAmerican Airlines
Deal found 2/18$1,343
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/98:40 amSTL - SYD
1 stop30h 20mUnited Airlines
Fri 3/2812:10 pmSYD - STL
1 stop21h 43mUnited Airlines
Deal found 2/19$1,357
This Delta deal was found by Cheapflights users on 2/19. 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 3/211:50 amSTL - SYD
2 stops26h 00mDelta
Sun 3/911:05 amSYD - STL
2 stops25h 13mDelta
Deal found 2/19$1,371
This Justfly.com deal was found by Cheapflights users on 2/19. 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.
Sat 6/77:55 pmSTL - SYD
1 stop20h 00mQantas Airways
Mon 7/79:10 amSYD - STL
1 stop28h 57mQantas Airways
Deal found 2/19$1,507
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 6/117:01 pmMCI - SYD
2 stops33h 44mAlaska Airlines
Tue 6/179:40 pmSYD - MCI
2 stops31h 02mAlaska Airlines
Deal found 2/20$1,586

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 February 20, 2025.

Fly from

Missouri

Fly to

Sydney

Route

Depart

Return

Price

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sat 5/10

7:05 pm-11:45 am

2 stops25h 40m

Sydney Kingsford Smith

Sat 5/31

1:45 pm-10:47 pm

2 stops24h 02m

$1,148

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Tue 5/6

5:18 pm-11:45 am

2 stops27h 27m

Sydney Kingsford Smith

Sat 5/10

1:45 pm-9:51 pm

2 stops23h 06m

$1,184

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Sun 4/27

6:20 am-8:45 am

2 stops35h 25m

Sydney Kingsford Smith

Sun 5/18

11:50 am-2:02 pm

2 stops41h 12m

$1,198

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Tue 3/11

3:50 pm-8:35 am

2 stops48h 45m

Sydney Kingsford Smith

Tue 3/25

10:25 am-3:06 pm

2 stops44h 41m

$1,248

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Sun 6/8

6:12 pm-6:55 am

1 stop21h 43m

Sydney Kingsford Smith

Mon 6/23

10:20 am-5:31 pm

1 stop22h 11m

$1,251

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 6/18

3:45 pm-6:35 am

1 stop23h 50m

Sydney Kingsford Smith

Wed 6/25

9:25 am-11:16 pm

1 stop28h 51m

$1,260

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Mon 3/3

6:10 am-9:00 am

1 stop33h 50m

Sydney Kingsford Smith

Mon 3/10

11:15 am-11:09 pm

1 stop27h 54m

$1,353

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sun 3/9

8:40 am-7:00 am

1 stop30h 20m

Sydney Kingsford Smith

Fri 3/28

12:10 pm-5:53 pm

1 stop21h 43m

$1,357

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sun 3/2

11:50 am-6:50 am

2 stops26h 00m

Sydney Kingsford Smith

Sun 3/9

11:05 am-7:18 pm

2 stops25h 13m

$1,371

Kansas CitySydney

MCI - SYD

MCISYD

Kansas City

Wed 6/11

7:01 pm-7:45 pm

2 stops33h 44m

Sydney Kingsford Smith

Tue 6/17

9:40 pm-1:42 pm

2 stops31h 02m

$1,586

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 32 results
1
2
3
4

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 February 20, 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 February 20, 2025.
To help decide which airline to fly from Missouri to Sydney, see what other customers have to say about ANA, Japan Airlines and Fiji Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.4
Very good

Food

7.7

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Boarding

8.5

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

8.4
Very good
8.4
Very good

Food

7.7

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Boarding

8.5

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

8.4
Very good

Food

7.7

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Boarding

8.5

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

8.4
Very good

Food

7.7

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Boarding

8.5

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

8.0
Very good
8.4
Very good

Food

7.7

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Boarding

8.5

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

8.4
Very good

Food

7.7

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Boarding

8.5

Reviews

1 / 20

10.0
Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

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 most popular routes from Missouri to Sydney?

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missouri to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$867Average$1,466FlexibilityNo cancel feeOn-time69%
DeltaCheapest$942Average$1,465FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$962Average$1,317FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,193Average$1,778FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,281Average$1,834FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,327Average$1,671FlexibilityNo cancel feeOn-time78%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.