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Cheap flights from Australia to St. Louis from $1,305

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
24 Dec — 31 Dec1
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 19 December 2024.

Round-trip from

$1,830

One-way from

$1,305
Air Canada
  • Air Canada
  • 12/5-31/5
  • 4 total stops
  • 95h 46m total
  • Australia to St. Louis
5/3
  • 5/3
  • 2 total stops
  • 43h 14m total
  • Australia to St. Louis

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 19 December 2024.

Tue 24/1216:15SYD - STL
1 stop25h 13mUnited Airlines
Sat 4/113:44STL - SYD
2 stops26h 21mUnited Airlines
Deal found 18/12$2,597
Sun 22/1206:05SYD - STL
2 stops23h 58mAmerican Airlines
Sat 4/106:30STL - SYD
1 stop33h 30mAmerican Airlines
Deal found 18/12$3,637
Sun 22/1211:50SYD - STL
1 stop21h 57mVirgin Australia
Sat 4/117:59STL - SYD
1 stop44h 01mVirgin Australia
Deal found 18/12$3,645
Mon 23/1211:15SYD - STL
1 stop29h 12mQantas Airways
Sat 4/106:30STL - SYD
1 stop33h 30mQantas Airways
Deal found 19/12$3,654
Sun 22/1207:00SYD - STL
3 stops29h 30mMultiple Airlines
Sat 4/117:29STL - SYD
2 stops23h 51mMultiple Airlines
Deal found 18/12$4,293
Mon 23/1211:40SYD - STL
3 stops38h 28mLATAM Airlines
Sat 4/115:24STL - SYD
3 stops49h 01mLATAM Airlines
Deal found 19/12$6,545

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 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 12/5

09:20-15:16

2 stops44h 56m

Lambert-St Louis

Sat 31/5

13:30-07:20

2 stops50h 50m

$1,830

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 12/5

10:20-17:59

1 stop22h 39m

Lambert-St Louis

Sat 31/5

18:00-06:55

1 stop21h 55m

$2,126

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Sat 29/3

09:40-14:59

2 stops44h 19m

Lambert-St Louis

Fri 4/4

15:50-08:30

3 stops73h 40m

$2,221

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sat 1/2

11:50-14:37

1 stop19h 47m

Lambert-St Louis

Sat 8/2

16:36-07:00

1 stop21h 24m

$2,854

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Sat 29/3

10:40-17:50

1 stop22h 10m

Lambert-St Louis

Fri 4/4

16:45-06:30

2 stops22h 45m

$2,872

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 12/5

06:30-18:19

3 stops26h 49m

Lambert-St Louis

Sat 31/5

16:13-09:40

3 stops26h 27m

$3,270

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Sat 29/3

19:35-14:59

3 stops58h 24m

Lambert-St Louis

Fri 4/4

15:50-12:05

3 stops53h 15m

$3,486

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Fri 28/3

00:10-17:59

2 stops32h 49m

Lambert-St Louis

Fri 4/4

19:02-23:35

2 stops37h 33m

$3,597

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/3

09:15-11:29

2 stops43h 14m

$1,305

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 6/3

12:10-17:53

1 stop22h 43m

$1,314

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 13 results
1
2

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 19 December 2024.

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 19 December 2024.
Peruse reviews from past customers who have flown with Air Canada and United Airlines 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.
8.3
Very Good
1,442 reviews

Boarding

8.4

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

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.

8.3
Very Good
1,442 reviews
8.3
Very Good
1,442 reviews

Boarding

8.4

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

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.

7.6
Good
459 reviews
8.3
Very Good
1,442 reviews

Boarding

8.4

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

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.

7.5
Good
839 reviews
8.3
Very Good
1,442 reviews

Boarding

8.4

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

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.

7.5
Good
809 reviews
8.3
Very Good
1,442 reviews

Boarding

8.4

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

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.

7.4
Good
9,048 reviews
8.3
Very Good
1,442 reviews

Boarding

8.4

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

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 $1,314. However, be on the lookout for offers from Japan Airlines and Qantas Airways, 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?

  • 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

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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 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,458Average$2,077FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,519Average$2,486FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$1,531Average$2,625FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$1,595Average$1,870FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qantas AirwaysCheapest$1,750Average$2,884FlexibilityNo 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?

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?

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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