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Cheap flights from Australia to St. Louis from $1,315

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
27 Jan — 3 Feb1
1 adult

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 22 January 2025.

Round-trip from

$1,555

One-way from

$1,315
United Airlines
  • United Airlines
  • 7/3-14/3
  • 4 total stops
  • 71h 16m total
  • Australia to St. Louis
Search Deals
United Airlines
  • United Airlines
  • 16/4
  • 2 total stops
  • 38h 36m total
  • Australia to St. Louis
Search Deals

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 22 January 2025.

Fri 7/311:40BNE - STL
1 stop22h 13mUnited Airlines
Fri 14/307:00STL - BNE
1 stop32h 30mUnited Airlines
Deal found 20/1$1,555
Tue 18/209:40BNE - STL
1 stop25h 49mQantas Airways
Tue 25/217:37STL - BNE
1 stop20h 38mQantas Airways
Deal found 21/1$1,600
Tue 18/206:10BNE - STL
3 stops48h 56mMultiple Airlines
Tue 25/215:50STL - BNE
2 stops48h 50mMultiple Airlines
Deal found 21/1$1,614
Wed 5/311:20SYD - STL
2 stops44h 46mAir Canada
Wed 12/315:50STL - SYD
2 stops48h 45mAir Canada
Deal found 19/1$1,685
Wed 9/409:20SYD - STL
2 stops44h 39mMultiple Airlines
Wed 16/413:43STL - SYD
2 stops26h 37mMultiple Airlines
Deal found 20/1$1,795
Mon 17/213:00MEL - STL
2 stops37h 51mUnited Airlines
Mon 24/215:32STL - MEL
2 stops25h 28mUnited Airlines
Deal found 20/1$1,814
Wed 5/311:15SYD - STL
1 stop28h 53mAmerican Airlines
Wed 12/306:15STL - SYD
1 stop34h 45mAmerican Airlines
Deal found 19/1$1,816
Mon 17/212:00MEL - STL
1 stop28h 08mQantas Airways
Mon 24/217:37STL - MEL
1 stop43h 03mQantas Airways
Deal found 20/1$1,826
Thu 13/311:15SYD - STL
1 stop27h 54mQantas Airways
Thu 20/306:15STL - SYD
1 stop34h 45mQantas Airways
Deal found 20/1$1,869
Sat 8/212:00MEL - STL
2 stops24h 23mAmerican Airlines
Tue 25/215:43STL - MEL
1 stop20h 57mAmerican Airlines
Deal found 21/1$1,910
Sun 9/312:10SYD - STL
2 stops42h 13mUnited Airlines
Fri 14/316:33STL - SYD
1 stop22h 27mUnited Airlines
Deal found 20/1$1,989
Sat 8/207:30MEL - STL
3 stops48h 36mAir Canada
Tue 25/215:50STL - MEL
3 stops53h 45mAir Canada
Deal found 21/1$2,078

Find flights from Australia to St. Louis within your budget

Customise 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 647,157 searches. Data last updated 22 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Fri 7/3

11:40-17:11

2 stops45h 31m

Lambert-St Louis

Fri 14/3

13:45-06:30

2 stops25h 45m

$1,555

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Tue 18/2

09:40-19:29

1 stop25h 49m

Lambert-St Louis

Tue 25/2

17:37-06:15

1 stop20h 38m

$1,600

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Tue 18/2

06:10-15:06

3 stops48h 56m

Lambert-St Louis

Tue 25/2

15:50-08:40

2 stops48h 50m

$1,614

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/3

11:20-15:06

2 stops44h 46m

Lambert-St Louis

Wed 12/3

15:50-08:35

2 stops48h 45m

$1,685

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 9/4

09:20-14:59

2 stops44h 39m

Lambert-St Louis

Wed 16/4

13:43-07:20

2 stops26h 37m

$1,795

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 17/2

13:00-09:51

2 stops37h 51m

Lambert-St Louis

Mon 24/2

15:32-10:00

2 stops25h 28m

$1,814

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/3

11:15-16:21

2 stops22h 06m

Lambert-St Louis

Wed 12/3

06:15-09:00

1 stop34h 45m

$1,816

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 17/2

12:00-23:08

1 stop28h 08m

Lambert-St Louis

Mon 24/2

17:37-05:40

1 stop43h 03m

$1,826

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 13/3

11:15-23:09

1 stop27h 54m

Lambert-St Louis

Thu 20/3

06:15-09:00

1 stop34h 45m

$1,869

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 8/2

12:00-19:23

2 stops24h 23m

Lambert-St Louis

Tue 25/2

12:00-07:35

2 stops26h 35m

$1,910

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 32 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 return 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 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 22 January 2025.

When flying from Australia to St. Louis, 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 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 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

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 22 January 2025.
Peruse reviews from past customers who have flown with American Airlines, Air Canada and Emirates from Australia to St. Louis to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,449 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Entertainment

7.8

Comfort

8.2

Food

7.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Japan Airlines
8.3
Very Good
1,449 reviews
Japan Airlines
8.3
Very Good
1,449 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Entertainment

7.8

Comfort

8.2

Food

7.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Emirates
8.1
Very Good
3,360 reviews
Japan Airlines
8.3
Very Good
1,449 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Entertainment

7.8

Comfort

8.2

Food

7.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Qantas Airways
7.5
Good
824 reviews
Japan Airlines
8.3
Very Good
1,449 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Entertainment

7.8

Comfort

8.2

Food

7.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Cathay Pacific
7.5
Good
830 reviews
Japan Airlines
8.3
Very Good
1,449 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Entertainment

7.8

Comfort

8.2

Food

7.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

LATAM Airlines
7.5
Good
1,858 reviews
Japan Airlines
8.3
Very Good
1,449 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Entertainment

7.8

Comfort

8.2

Food

7.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Australia. Lambert-St Louis is conveniently located just 20.4 km from St. Louis’s city centre.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $1,315. However, be on the lookout for offers from Japan Airlines and Cathay Pacific, as they are both options that can get you from Australia to St. Louis for a low price.

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

    Most travellers choose Sydney Kingsford Smith - Lambert-St Louis, Brisbane - Lambert-St Louis or Devonport - Lambert-St Louis when deciding on the best route from Australia to St. Louis.

  • 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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Australia to St. Louis

Discover the top 5 airlines 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 647,157 searches. Data last updated 22 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,470Average$2,093FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,531Average$2,404FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$1,543Average$2,646FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$1,608Average$1,880FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qantas AirwaysCheapest$1,764Average$2,896FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Australia to St. Louis?

When you search for this flight from Australia to St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Australia to St. Louis?

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Can Cheapflights find flights from Australia to St. Louis with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Australia to St. Louis flexibly with Cheapflights today.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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