How long is the flight from Australia to St. Louis?

United Airlines, Turkish Airlines, and Japan Airlines can get you from Australia to St. Louis in just under 22h 57m. Your travel time can differ by up to 41h 40m. Airlines will cover a distance of 14074 km. Both multi-stop and direct flights can be found to your destination and back.

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.

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).

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

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

What are the most popular airlines that fly from Australia to St. Louis?

Consider Qantas Airways, United Airlines or American Airlines when booking your flight. These represent the most popular airlines when flying from Australia to St. Louis.

What is the cheapest time of day to fly from AU to STL?

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.

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.

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.

$741+ Cheap Flights from Australia to St. Louis

Cheap flight deals from Australia to St. Louis

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 4 November 2026.

Sat 7/1110:10 -

2 stops23h 28m

Sat 5/1217:31 -

2 stops45h 29m

Deal found 4/11$1,593

Sat 7/1112:00 -

1 stop22h 54m

Sat 5/1214:54 -

1 stop21h 06m

Deal found 4/11$1,603

Sat 7/1112:00 -

1 stop22h 54m

Sat 5/1214:54 -

2 stops40h 16m

Deal found 4/11$1,626

Sun 8/1117:45 -

2 stops43h 57m

Sat 5/1218:44 -

2 stops36h 26m

Deal found 4/11$1,735

Mon 9/1108:40 -

2 stops40h 13m

Fri 13/1115:23 -

2 stops49h 57m

Deal found 31/10$2,258

Fri 4/1212:45 -

1 stop22h 26m

Wed 20/108:30 -

1 stop33h 00m

Deal found 31/10$2,356

Sun 8/1110:00 -

2 stops25h 16m

Sat 5/1214:54 -

3 stops32h 06m

Deal found 4/11$2,738

Thu 19/1107:20 -

2 stops33h 39m

Mon 23/1106:00 -

2 stops30h 40m

Deal found 3/11$2,866

Thu 19/1112:45 -

1 stop22h 20m

Mon 23/1113:08 -

2 stops28h 22m

Deal found 3/11$2,904

Fri 4/1212:10 -

2 stops23h 31m

Wed 20/110:45 -

3 stops29h 10m

Deal found 31/10$3,102

Fri 18/1207:20 -

2 stops47h 00m

Mon 4/106:00 -

2 stops30h 40m

Deal found 1/11$3,105

Tue 15/1211:10 -

2 stops23h 36m

Tue 22/1216:32 -

2 stops23h 28m

Deal found 31/10$3,126

Best flights from Australia to St. Louis
Discover carefully curated flight deals from Australia to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 November 2026.

Tue 2/311:20 -

1 stop22h 57m

Wed 24/309:40 -

2 stops29h 50m

Deal found 2/11$1,363

Sat 6/313:10 -

1 stop26h 49m

Mon 22/306:00 -

1 stop32h 50m

Deal found 2/11$1,489

Wed 3/309:40 -

2 stops26h 07m

Sun 7/317:53 -

2 stops68h 37m

Deal found 3/11$1,825

Mon 9/1108:40 -

2 stops40h 13m

Fri 13/1115:23 -

2 stops49h 57m

Deal found 31/10$2,258

Mon 22/310:20 -

1 stop26h 35m

Sun 11/408:30 -

1 stop31h 00m

Deal found 1/11$1,363

Tue 23/221:35 -

3 stops64h 37m

Mon 1/306:15 -

3 stops68h 10m

Deal found 31/10$2,737

Thu 19/1107:20 -

2 stops33h 39m

Mon 23/1106:00 -

2 stops30h 40m

Deal found 3/11$2,866

Tue 2/311:20 -

2 stops22h 14m

Mon 22/313:08 -

2 stops26h 22m

Deal found 2/11$1,363

Tue 2/309:10 -

2 stops23h 51m

Wed 24/314:23 -

2 stops29h 37m

Deal found 2/11$1,592

Wed 16/1210:10 -

2 stops30h 16m

Wed 6/107:05 -

2 stops31h 55m

Deal found 3/11$3,214

Wed 3/311:20 -

1 stop22h 57m

Wed 24/309:40 -

2 stops29h 50m

Deal found 2/11$1,363

Thu 25/310:20 -

1 stop26h 35m

Sun 11/407:30 -

2 stops32h 00m

Deal found 1/11$1,363

Tue 2/311:20 -

2 stops22h 14m

Sun 21/308:33 -

2 stops30h 57m

Deal found 2/11$1,363

Sun 18/408:35 -

2 stops28h 31m

Mon 26/413:30 -

3 stops30h 25m

Deal found 4/11$2,565

Tue 23/211:20 -

2 stops50h 34m

Mon 1/314:45 -

2 stops49h 20m

Deal found 31/10$1,742

Fri 26/322:45 -

2 stops25h 34m

Wed 7/416:30 -

3 stops26h 50m

Deal found 1/11$2,636

Wed 3/311:20 -

1 stop22h 57m

Sun 7/306:54 -

1 stop32h 36m

Deal found 3/11$1,823

Tue 23/206:55 -

2 stops23h 46m

Mon 1/314:21 -

3 stops27h 44m

Deal found 31/10$3,016

Tue 15/1211:10 -

2 stops23h 36m

Tue 22/1216:32 -

2 stops23h 28m

Deal found 31/10$3,126

Fri 4/1212:45 -

2 stops26h 45m

Wed 20/115:10 -

2 stops26h 20m

Deal found 31/10$2,356

Sun 18/410:55 -

1 stop21h 58m

Mon 26/419:06 -

1 stop22h 09m

Deal found 4/11$2,748

Wed 16/1212:45 -

1 stop22h 26m

Wed 6/108:52 -

2 stops31h 38m

Deal found 3/11$3,323

Sat 19/1212:45 -

2 stops27h 53m

Wed 6/110:45 -

2 stops29h 45m

Deal found 1/11$3,326

Mon 9/1115:15 -

3 stops40h 50m

Fri 13/1108:00 -

2 stops38h 30m

Deal found 31/10$3,708

Find flight deals from Australia to St. Louis

Round-trip from	$1,358
One-way from	$741
Popular in	April
Cheapest in	January
Average price	$1,739

Delta
28/2-21/3
4 total stops
84h 00m total
Australia to St. Louis

Search Deals

29/1-31/12
3 total stops
37h 45m total
Australia to St. Louis

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($236 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($62 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Australia to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MelbourneSt. Louis

MEL Melbourne - STL Lambert-St Louis

MELSTL

Melbourne

Fri 29/1

13:35-10:20

3 stops37h 45m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$741

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Fri 13/11

09:15-14:13

1 stop21h 58m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,057

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Fri 13/11

11:10-20:42

1 stop26h 32m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,109

MelbourneSt. Louis

MEL Melbourne - STL Lambert-St Louis

MELSTL

Melbourne

Fri 29/1

12:45-18:17

1 stop22h 32m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,258

SydneySt. Louis

SYD Sydney Kingsford Smith - STL Lambert-St Louis

SYDSTL

Sydney Kingsford Smith

Fri 13/11

11:50-23:24

3 stops28h 34m

Lambert-St Louis

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,280

BrisbaneSt. Louis

BNE Brisbane - STL Lambert-St Louis

BNESTL

Brisbane

Tue 2/3

11:20-18:17

1 stop22h 57m

Lambert-St Louis

Wed 24/3

09:40-06:30

2 stops29h 50m

$1,363

BrisbaneSt. Louis

BNE Brisbane - STL Lambert-St Louis

BNESTL

Brisbane

Mon 22/3

10:20-21:55

1 stop26h 35m

Lambert-St Louis

Sun 11/4

08:30-06:30

1 stop31h 00m

$1,363

BrisbaneSt. Louis

BNE Brisbane - STL Lambert-St Louis

BNESTL

Brisbane

Tue 2/3

11:20-17:34

2 stops22h 14m

Lambert-St Louis

Mon 22/3

13:08-06:30

2 stops26h 22m

$1,363

BrisbaneSt. Louis

BNE Brisbane - STL Lambert-St Louis

BNESTL

Brisbane

Wed 3/3

11:20-18:17

1 stop22h 57m

Lambert-St Louis

Wed 24/3

09:40-06:30

2 stops29h 50m

$1,363

BrisbaneSt. Louis

BNE Brisbane - STL Lambert-St Louis

BNESTL

Brisbane

Thu 25/3

10:20-21:55

1 stop26h 35m

Lambert-St Louis

Sun 11/4

07:30-06:30

2 stops32h 00m

$1,363

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 34 resultsSorted by cheapest first

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.

MEL-STL

PER-STL

SYD-STL

BNE-STL

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.

Cheapflights Insights

Everything you need to know about your flight from Australia to St. Louis

AU0-STL

MEL-STL

PER-STL

SYD-STL

BNE-STL

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

Currently, January is the cheapest month in which you can book a flight from Australia to St. Louis (average of $1,459). Flying from Australia to St. Louis in April is currently the most expensive (average of $2,331). 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.

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown with Qantas Airways,United Airlines, andAmerican Airlines from Australia to St. Louis. 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.

Qantas Airways

7.5

Good

1,122 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!

Qantas Airways

7.5

Good

1,122 reviews

Qantas Airways

7.5

Good

1,122 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Tania,May 2026

SYD - DFW

United Airlines

7.3

Good

10,462 reviews

Qantas Airways

7.5

Good

1,122 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Tania,May 2026

SYD - DFW

American Airlines

7.0

Good

12,231 reviews

Qantas Airways

7.5

Good

1,122 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Tania,May 2026

SYD - DFW

Related info for your journey

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.
How long is the flight from Australia to St. Louis?
United Airlines, Turkish Airlines, and Japan Airlines can get you from Australia to St. Louis in just under 22h 57m. Your travel time can differ by up to 41h 40m. Airlines will cover a distance of 14074 km. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Australia to St. Louis?
Most travellers choose Melbourne - 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.
What is the cheapest month to book a flight from Australia to St. Louis?
Currently, January is the cheapest month in which you can book a flight from Australia to St. Louis (average of $1,459). Flying from Australia to St. Louis in April is currently the most expensive (average of $2,331). 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.

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Alternative routes for Australia to St. Louis

Melbourne to Kansas City flights

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Cairns to Kansas City flights

Brisbane to St. Louis flights

Devonport to St. Louis flights

Sydney to St. Louis flights

Top 3 airlines flying from Australia to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,174	Average$1,787	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest$1,304	Average$2,039	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Qantas Airways	Cheapest$1,500	Average$2,020	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights

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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?

Cheapflights simply makes it quick and affordable to book flights from Australia to St. Louis by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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.

Can Cheapflights notify me if prices for flights from Australia to St. Louis become cheaper?

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Cheap flights from Australia to St. Louis from $741

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Australia to St. Louis

Cheapest flights from Australia to St. LouisExplore 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 4 November 2026.

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 4 November 2026.

Best flights from Australia to St. LouisDiscover carefully curated flight deals from Australia to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 November 2026.

Discover carefully curated flight deals from Australia to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 November 2026.

Last-minute flights from Australia to St. LouisDiscover last-minute flight deals from Australia to St. Louis. Data last updated 4 November 2026 and is based on user searches.

Discover last-minute flight deals from Australia to St. Louis. Data last updated 4 November 2026 and is based on user searches.

One-way flights from Australia to St. LouisSearch for one-way flight options from Australia to St. Louis. Find affordable one-way fares based on user searches. Data last updated 4 November 2026.

Search for one-way flight options from Australia to St. Louis. Find affordable one-way fares based on user searches. Data last updated 4 November 2026.

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Use the filters below to find and compare flights from Australia to St. Louis that are best for you.

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.

Cheapflights Insights

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

Reviews of airlines servicing St. Louis

Read reviews from past customers who have flown with Qantas Airways,United Airlines, andAmerican Airlines from Australia to St. Louis. 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.

Related info for your journey

What airport do you fly into for flights to St. Louis from Australia?

How long is the flight from Australia to St. Louis?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Australia to St. Louis

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

Complete your trip

Complete your trip to St. Louis by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

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Search flights from Australia to St. Louis by cabin class

Find flights from Australia to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Australia and St. Louis flights

Browse other Australia and St. Louis flight options. Last updated on 4 November 2026.

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Top 3 airlines flying from Australia to St. Louis

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

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

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Can Cheapflights notify me if prices for flights from Australia to St. Louis become cheaper?

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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 4 November 2026.

Best flights from Australia to St. Louis
Discover carefully curated flight deals from Australia to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 November 2026.

Last-minute flights from Australia to St. Louis
Discover last-minute flight deals from Australia to St. Louis. Data last updated 4 November 2026 and is based on user searches.

One-way flights from Australia to St. Louis
Search for one-way flight options from Australia to St. Louis. Find affordable one-way fares based on user searches. Data last updated 4 November 2026.