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$738+ Cheap flights from Australia to St. Louis (STL)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Australia to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Australia (AU0) to St. Louis (STL). 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 November 20, 2024.

Find flight deals from Australia to St. Louis

Cheapest flights from Australia to St. Louis
Explore the most affordable flight options available from Australia to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2712:00 pmMEL - STL
1 stop28h 57mAmerican Airlines
Fri 12/131:36 pmSTL - MEL
1 stop23h 04mAmerican Airlines
Deal found 11/20$2,008
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Sun 12/1511:15 amSYD - STL
1 stop29h 57mAmerican Airlines
Sun 1/51:45 pmSTL - SYD
1 stop23h 50mAmerican Airlines
Deal found 11/18$2,113
This Qantas Airways deal was found by Cheapflights users on 11/20. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/271:00 pmMEL - STL
3 stops26h 38mMultiple Airlines
Fri 12/137:00 amSTL - MEL
2 stops31h 35mMultiple Airlines
Deal found 11/20$2,210
This Booking.com deal was found by Cheapflights users on 11/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1511:20 amSYD - STL
2 stops44h 46mAir Canada
Sun 1/53:50 pmSTL - SYD
2 stops70h 05mAir Canada
Deal found 11/18$2,309
This Gurufare deal was found by Cheapflights users on 11/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1510:00 pmSYD - STL
2 stops43h 12mQantas Airways
Sun 1/56:30 amSTL - SYD
1 stop33h 30mQantas Airways
Deal found 11/18$2,376
This Qantas Airways deal was found by Cheapflights users on 11/18. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/158:05 pmSYD - STL
3 stops29h 49mMultiple Airlines
Sun 1/55:29 pmSTL - SYD
2 stops23h 51mMultiple Airlines
Deal found 11/18$2,432
This Justfly.com deal was found by Cheapflights users on 11/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/169:15 amSYD - STL
2 stops48h 06mJapan Airlines
Wed 1/15:45 amSTL - SYD
2 stops32h 05mJapan Airlines
Deal found 11/20$5,296
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1712:25 pmSYD - STL
2 stops39h 02mANA
Wed 1/16:25 amSTL - SYD
2 stops44h 50mANA
Deal found 11/20$7,829
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Mon 12/1612:10 pmSYD - STL
1 stop22h 46mUnited Airlines
Tue 12/3111:10 amSTL - SYD
1 stop26h 50mUnited Airlines
Deal found 11/20$10,244
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1711:40 amSYD - STL
3 stops38h 42mLATAM Airlines
Tue 12/3112:55 pmSTL - SYD
2 stops35h 45mLATAM Airlines
Deal found 11/20$12,137

Find flights from Australia to St. Louis within your budget

Customize your flight search to find flights from Australia to St. Louis 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 5/12

9:30 am-4:35 pm

2 stops22h 05m

Lambert-St Louis

Sat 5/31

1:30 pm-6:55 am

2 stops26h 25m

$1,164

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 5/12

9:20 am-3:21 pm

2 stops45h 01m

Lambert-St Louis

Sat 5/31

1:25 pm-7:20 am

3 stops50h 55m

$1,178

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/1

10:55 am-5:03 pm

1 stop21h 08m

Lambert-St Louis

Sat 5/17

5:18 pm-8:15 am

2 stops47h 57m

$1,317

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/1

8:35 am-8:21 pm

2 stops26h 46m

Lambert-St Louis

Sat 5/17

4:17 pm-5:45 pm

2 stops34h 28m

$1,394

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sun 1/12

4:15 pm-6:59 pm

1 stop19h 44m

Lambert-St Louis

Sun 1/19

1:45 pm-6:20 am

2 stops23h 35m

$1,474

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/1

9:40 am-10:54 pm

1 stop28h 14m

Lambert-St Louis

Sat 5/17

7:55 pm-5:00 am

1 stop42h 05m

$1,739

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/1

8:35 am-11:18 pm

3 stops29h 43m

Lambert-St Louis

Sat 5/17

1:30 pm-10:50 am

3 stops30h 20m

$1,773

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 5/12

6:30 am-11:11 pm

2 stops31h 41m

Lambert-St Louis

Sat 5/31

4:13 pm-10:25 am

3 stops27h 12m

$2,060

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sun 12/15

11:15 am-12:12 am

1 stop29h 57m

Lambert-St Louis

Sun 1/5

1:45 pm-6:35 am

1 stop23h 50m

$2,113

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sun 12/15

10:00 pm-12:12 am

2 stops43h 12m

Lambert-St Louis

Sun 1/5

6:30 am-9:00 am

1 stop33h 30m

$2,376

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 25 results
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Best time to book a flight from Australia to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Australia 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 Australia to St. Louis

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

What is the cheapest month to book a flight from Australia to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Australia to St. Louis (average of $308). Flying from Australia to St. Louis in March is currently the most expensive (average of $357). 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 AU to STL?

Find hourly flight availability from Australia to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

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

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated November 20, 2024.
To help decide which airline to fly from Australia to St. Louis, see what other customers have to say about United Airlines, Qantas Airways and American Airlines. 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.
ANA
8.4
Very good
833 reviews

Comfort

8.2

Crew

8.7

Boarding

8.6

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

ANA
8.4
Very good
833 reviews
ANA
8.4
Very good
833 reviews

Comfort

8.2

Crew

8.7

Boarding

8.6

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Japan Airlines
8.3
Very good
1,460 reviews
ANA
8.4
Very good
833 reviews

Comfort

8.2

Crew

8.7

Boarding

8.6

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Emirates
8.1
Very good
3,486 reviews
ANA
8.4
Very good
833 reviews

Comfort

8.2

Crew

8.7

Boarding

8.6

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Air New Zealand
8.1
Very good
531 reviews
ANA
8.4
Very good
833 reviews

Comfort

8.2

Crew

8.7

Boarding

8.6

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Qantas Airways
7.6
Good
820 reviews
ANA
8.4
Very good
833 reviews

Comfort

8.2

Crew

8.7

Boarding

8.6

Overall

8.4

Food

7.7

Entertainment

7.9

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Related info for your journey

Find useful and relevant information for your journey from Australia to St. Louis. 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 St. Louis from Australia?

    For a flight from Australia to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • What are the cheapest airlines to fly from Australia to St. Louis one-way?

    One-way options have recently been found by users for as low as $738 on United Airlines. Other airlines that offer cheap prices include Virgin Australia from $845 and Qantas Airways from $2,562 one-way.

  • What are the most popular routes from Australia to St. Louis?

    When deciding which route to take from Australia to St. Louis consider Sydney Kingsford Smith - Lambert-St Louis, Melbourne - Lambert-St Louis or Launceston - Lambert-St Louis as they are the most popular.

  • Can I find deals for flights from Australia to St. Louis that include hotel bookings?

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

  • How can I find direct flights from Australia to St. Louis?

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

  • Can I find deals for business class flights from Australia to St. Louis?

    Yes. Cheapflights offers flight deals from Australia to St. Louis 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 Australia to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Australia to St. Louis (average of $308). Flying from Australia to St. Louis in March is currently the most expensive (average of $357). 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

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Top airline flying from Australia to St. Louis

Discover the top airline that operate flights from Australia to St. Louis. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,050Average$1,776FlexibilityNo cancel feeOn-time71%
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