HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Australia

$562+ Cheap flights from Missouri to Australia

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYD
Nov 9 — Nov 161
1 adult
Sat 11/9
Sat 11/16
We work with more than 300 partners to bring you better travel deals

...and more

Find cheap flights from Missouri to Australia 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.

Find flight deals from Missouri to Australia

Cheapest flights from Missouri to Australia
Explore the most affordable flight options available from Missouri to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2024.

This Air Canada deal was found by Cheapflights users on 11/3. 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 12/33:50 pmSTL - SYD
2 stops48h 45mAir Canada
Mon 12/1611:20 amSYD - STL
2 stops44h 46mAir Canada
Deal found 11/3$1,338
This Delta deal was found by Cheapflights users on 11/3. 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 12/53:59 pmMCI - SYD
1 stop23h 36mDelta
Thu 12/1211:05 amSYD - MCI
1 stop20h 38mDelta
Deal found 11/3$1,433
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/88:30 amSTL - SYD
2 stops31h 45mUnited Airlines
Sun 12/224:15 pmSYD - STL
1 stop25h 13mUnited Airlines
Deal found 11/3$1,497
This Delta deal was found by Cheapflights users on 11/3. 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.
Tue 12/37:55 amSTL - SYD
2 stops31h 40mDelta
Tue 12/1011:05 amSYD - STL
2 stops23h 35mDelta
Deal found 11/3$1,523
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/55:15 pmMCI - SYD
2 stops23h 00mUnited Airlines
Thu 12/1212:10 pmSYD - MCI
2 stops28h 30mUnited Airlines
Deal found 11/3$1,614
This Air New Zealand deal was found by Cheapflights users on 11/3. 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.
Tue 12/31:39 pmSTL - SYD
3 stops27h 46mMultiple Airlines
Tue 12/109:55 amSYD - STL
3 stops27h 46mMultiple Airlines
Deal found 11/3$1,618
This Ovago deal was found by Cheapflights users on 11/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/37:00 amSTL - SYD
2 stops34h 25mAir New Zealand
Tue 12/1012:10 pmSYD - STL
1 stop22h 46mAir New Zealand
Deal found 11/3$1,654
This Gurufare deal was found by Cheapflights users on 11/2. 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.
Mon 11/254:25 pmMCI - SYD
2 stops25h 00mAir New Zealand
Mon 12/27:15 pmSYD - MCI
2 stops60h 52mAir New Zealand
Deal found 11/2$1,708
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 12/33:27 pmMCI - MEL
2 stops25h 03mUnited Airlines
Tue 12/1011:30 amMEL - MCI
2 stops27h 25mUnited Airlines
Deal found 11/3$1,797
This KAYAK deal was found by Cheapflights users on 11/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/44:45 pmSTL - MEL
2 stops25h 05mAir New Zealand
Wed 12/186:00 pmMEL - STL
2 stops47h 28mAir New Zealand
Deal found 11/3$1,864
This Trip.com deal was found by Cheapflights users on 11/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/116:10 amMCI - MEL
2 stops47h 45mMultiple Airlines
Sun 11/174:50 pmMEL - MCI
2 stops29h 15mMultiple Airlines
Deal found 11/4$1,889
This oojo deal was found by Cheapflights users on 11/4. 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.
Mon 11/116:30 amMCI - MEL
2 stops35h 20mAir New Zealand
Sun 11/175:00 pmMEL - MCI
2 stops42h 40mAir New Zealand
Deal found 11/4$1,923

Find flights from Missouri to Australia within your budget

Customize your flight search to find flights from Missouri to Australia 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 2,455,398 searches. Data last updated November 4, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Fri 2/21

10:24 am-7:45 am

2 stops29h 21m

$562

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Thu 2/20

3:50 pm-9:30 am

3 stops73h 40m

$582

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 3/1

6:30 am-10:00 am

2 stops34h 30m

$654

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 3/1

7:29 pm-11:35 pm

3 stops59h 06m

$702

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 2/11

3:41 pm-5:40 am

1 stop20h 59m

$981

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Fri 2/21

6:10 am-5:00 am

1 stop30h 50m

$1,088

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 1/15

7:00 am-10:50 am

2 stops34h 50m

$1,226

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 12/11

7:00 am-5:40 am

2 stops29h 40m

$1,369

St. LouisMelbourne

STL - AVV

STLAVV

Lambert-St Louis

Tue 2/11

4:53 pm-3:45 pm

2 stops29h 52m

$994

St. LouisMelbourne

STL - AVV

STLAVV

Lambert-St Louis

Sat 3/1

3:50 pm-2:10 pm

3 stops53h 20m

$1,126

Flights are sorted by cheapest first

Deals found on 11/3

Showing 1-10 of 47 results
1
2
3
...
5

Best time to book a flight from Missouri to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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 Australia

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

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

Currently, February is the cheapest month in which you can book a flight from Missouri to Australia (average of $1,066). Flying from Missouri to Australia in December is currently the most expensive (average of $1,334). 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 AU?

Find hourly flight availability from Missouri to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2024.

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

Rainfall in Australia by month

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

In terms of precipitation, rainfall in Australia 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 Australia when rainfall is around 2.0 in.

Temperature in Australia by month

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

If weather is an important factor for your trip to Australia, 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 Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated November 4, 2024.
Peruse reviews from past customers who have flown with United Airlines, Air Canada and American Airlines from Missouri to Australia to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,034 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Japan Airlines
8.3
Very good
1,453 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Emirates
8.1
Very good
3,540 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Air New Zealand
8.1
Very good
531 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Delta
8.0
Very good
8,829 reviews
Korean Air
8.5
Very good
1,034 reviews

Overall

8.5

Comfort

8.3

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Missouri to Australia for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Missouri to Australia for under $1,000. The cheapest flight booked recently is on Air Canada for just $985, but on average you can expect to pay $1,285.

  • Are there last-minute flights available from Missouri to Australia for under $1,900?

    There are currently 8+ open flights from Missouri to Australia within the next 7 days for less than $1,900.

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

    The cheapest airlines for a one-way flight from Missouri to Australia are Delta ($562), Air Canada ($582), and United Airlines ($654).

  • What does STL to SYD mean?

    STL and SYD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to SYD refers to a flight route from Lambert-St Louis Airport to Sydney Kingsford Smith Airport. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Melbourne Airport (MEL), Brisbane Airport (BNE), Perth Airport (PER), Adelaide Airport (ADL), Coolangatta Gold Coast Airport (OOL).

  • Can I find deals for flights from Missouri to Australia that include extra baggage allowance?

    The amount of baggage you can bring on your Missouri to Australia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Missouri to Australia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Missouri to Australia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Missouri to Australia that allow pets onboard?

    Many airlines flying from Missouri to Australia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Missouri to Australia?

    Yes, you can often find last-minute deals on Missouri to Australia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Missouri to Australia flight deals updated?

    The Missouri to Australia flight deals you see on this page were last updated on 11/3.

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

    Currently, February is the cheapest month in which you can book a flight from Missouri to Australia (average of $1,066). Flying from Missouri to Australia in December is currently the most expensive (average of $1,334). 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

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 Australia

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Sydney flights
Los Angeles to Melbourne flights
Los Angeles to Auckland flights
San Francisco to Sydney flights
San Francisco to Auckland flights
John F Kennedy Intl to Sydney flights
San Francisco to Melbourne flights
John F Kennedy Intl to Auckland flights
Dallas/Fort Worth to Sydney flights
Los Angeles to Papeete flights
Newark to Sydney flights
Dallas/Fort Worth to Auckland flights
LaGuardia to Sydney flights
Seattle to Sydney flights
Dallas/Fort Worth to Melbourne flights
O'Hare Intl to Sydney flights
Dulles Intl to Sydney flights
Seattle to Melbourne flights
John F Kennedy Intl to Melbourne flights
Ontario to Sydney flights
Hobby to Sydney flights
San Francisco to Papeete flights
Newark to Auckland flights
Los Angeles to Nadi flights
Atlanta to Sydney flights
Honolulu to Sydney flights
George Bush Intcntl to Sydney flights
Denver to Sydney flights
LaGuardia to Auckland flights
Reagan-National to Sydney flights
Los Angeles to Brisbane flights
Seattle to Auckland flights
Baltimore to Sydney flights
Los Angeles to Avalon flights
Santa Ana to Sydney flights
Newark to Melbourne flights
Dulles Intl to Auckland flights
Ontario to Auckland flights
Dallas/Fort Worth to Brisbane flights
Boston to Auckland flights
Hobby to Auckland flights
Denver to Auckland flights
LaGuardia to Melbourne flights
Dulles Intl to Melbourne flights
Santa Ana to Auckland flights
Boston to Sydney flights
San Francisco to Brisbane flights
O'Hare Intl to Auckland flights
San Francisco to Avalon flights
John F Kennedy Intl to Brisbane flights

Top 7 airlines flying from Missouri to Australia

Discover the top 7 airlines that operate flights from Missouri to Australia. 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 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$917Average$1,337FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$924Average$1,539FlexibilityNo cancel feeOn-time69%
DeltaCheapest$942Average$1,512FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,045Average$1,722FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,187Average$1,625FlexibilityNo cancel feeOn-time78%
Qantas AirwaysCheapest$1,236Average$1,915FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,559Average$1,715FlexibilityNo cancel feeOn-time68%
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.
View all available airlines