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Cheap flights from St. Louis (STL) to Australia from $1,031

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — SYD
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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How far in advance should I book a flight from St. Louis to Australia?

Users have found that booking a flight from St. Louis to Australia at least 61 days early can save you up to 109% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from St. Louis to Australia for as little as $989 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,954 for flights departing within the next 3 days.

What is the cheapest month to fly from St. Louis to Australia?

The best pricing can be found in the month of February. Prices to Australia from St. Louis average $1,676. You can even find prices in February for less than $1,676, as users have found deals to Australia from as low as $1,195. The month of December appears to be one of the more expensive times to travel to Australia from St. Louis. Flying in the targeted month can save you up to 55%.

When is the cheapest time to fly from St. Louis to Australia (STL - AU)?

When flying from St. Louis to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap American Airlines flights from St. Louis to Australia

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Australia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Find some of the cheapest American Airlines flights traveling from St. Louis to Australia. It's recommended that users confirm their flight details before booking.
Sun 6/99:23 amSTL - SYD
2 stops30h 42mAmerican Airlines
Sun 6/169:15 amSYD - STL
1 stop28h 43mAmerican Airlines
Deal found 5/26$1,387
Mon 8/1212:45 pmSTL - SYD
2 stops27h 20mAmerican Airlines
Sat 8/179:15 amSYD - STL
2 stops25h 07mAmerican Airlines
Deal found 5/27$1,436
Mon 8/1212:45 pmSTL - SYD
2 stops27h 20mAmerican Airlines
Sat 8/179:15 amSYD - STL
1 stop28h 27mAmerican Airlines
Deal found 5/27$1,437
Sat 6/156:11 pmSTL - SYD
2 stops45h 54mAmerican Airlines
Sat 6/229:15 amSYD - STL
2 stops22h 56mAmerican Airlines
Deal found 5/27$1,455
Thu 8/13:18 pmSTL - SYD
2 stops24h 47mAmerican Airlines
Fri 8/169:15 amSYD - STL
2 stops25h 07mAmerican Airlines
Deal found 5/27$1,486
Fri 6/213:27 pmSTL - SYD
2 stops24h 38mAmerican Airlines
Sat 7/139:15 amSYD - STL
1 stop28h 52mAmerican Airlines
Deal found 5/28$1,487
Tue 10/82:38 pmSTL - SYD
2 stops24h 27mAmerican Airlines
Tue 10/2210:10 amSYD - STL
1 stop21h 30mAmerican Airlines
Deal found 5/26$1,904
Thu 10/102:35 pmSTL - SYD
2 stops24h 30mAmerican Airlines
Thu 10/2410:10 amSYD - STL
1 stop21h 30mAmerican Airlines
Deal found 5/26$2,006

Cheap Qantas Airways flights from St. Louis to Australia

Explore cheap flight options specifically provided by Qantas Airways for the route between St. Louis and Australia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Take a gander at the lowest prices we've found on Qantas Airways flights from St. Louis to Australia. Deals frequently update to provide users with more options.
Tue 9/107:00 amSTL - SYD
1 stop33h 05mQantas Airways
Tue 9/179:10 amSYD - STL
1 stop28h 50mQantas Airways
Deal found 5/27$1,324
Tue 8/137:00 amSTL - SYD
1 stop33h 05mQantas Airways
Wed 10/1610:10 amSYD - STL
1 stop21h 30mQantas Airways
Deal found 5/28$1,325
Mon 8/127:00 amSTL - SYD
1 stop33h 05mQantas Airways
Sat 8/179:15 amSYD - STL
1 stop28h 27mQantas Airways
Deal found 5/27$1,371
Mon 8/127:00 amSTL - SYD
1 stop33h 05mQantas Airways
Sat 8/179:15 amSYD - STL
1 stop28h 27mQantas Airways
Deal found 5/28$1,372
Sun 6/96:29 amSTL - SYD
1 stop33h 36mQantas Airways
Sun 6/169:15 amSYD - STL
1 stop28h 43mQantas Airways
Deal found 5/26$1,383
Thu 8/16:29 amSTL - SYD
1 stop33h 36mQantas Airways
Fri 8/169:15 amSYD - STL
1 stop28h 27mQantas Airways
Deal found 5/27$1,412
Fri 6/216:29 amSTL - SYD
1 stop33h 36mQantas Airways
Sat 7/135:35 pmSYD - STL
1 stop20h 32mQantas Airways
Deal found 5/27$1,426
Tue 10/85:30 pmSTL - SYD
1 stop22h 40mQantas Airways
Tue 10/2210:10 amSYD - STL
1 stop21h 30mQantas Airways
Deal found 5/26$1,429
Tue 10/85:30 pmSTL - SYD
1 stop22h 40mQantas Airways
Wed 10/2310:10 amSYD - STL
1 stop21h 30mQantas Airways
Deal found 5/26$1,451

Cheap St. Louis to Australia flights in May & June 2024

Find cheap flight options from St. Louis to Australia specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on May 28, 2024.
These are some of the best deals we've found on flights to Australia in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 6/911:00 amSTL - SYD
2 stops29h 20mAir Canada
Sun 6/169:20 amSYD - STL
2 stops45h 01mAir Canada
Deal found 5/26$1,308
Sun 6/911:00 amSTL - SYD
3 stops29h 20mAir Canada
Sun 6/169:20 amSYD - STL
2 stops25h 41mAir Canada
Deal found 5/26$1,314
Sun 6/96:29 amSTL - SYD
1 stop33h 36mQantas Airways
Sun 6/169:15 amSYD - STL
1 stop28h 43mQantas Airways
Deal found 5/26$1,383
Sun 6/99:23 amSTL - SYD
2 stops30h 42mAmerican Airlines
Sun 6/169:15 amSYD - STL
1 stop28h 43mAmerican Airlines
Deal found 5/26$1,387
Fri 5/3111:00 amSTL - SYD
2 stops29h 20mAir Canada
Thu 6/69:20 amSYD - STL
3 stops50h 45mAir Canada
Deal found 5/27$1,393
Mon 6/245:31 pmSTL - MEL
2 stops22h 59mUnited Airlines
Mon 7/110:55 amMEL - STL
2 stops44h 53mUnited Airlines
Deal found 5/27$1,407
Fri 6/216:29 amSTL - SYD
1 stop33h 36mQantas Airways
Sat 7/135:35 pmSYD - STL
1 stop20h 32mQantas Airways
Deal found 5/27$1,426
Fri 5/316:02 pmSTL - SYD
1 stop22h 03mQantas Airways
Sun 6/29:15 amSYD - STL
1 stop29h 02mQantas Airways
Deal found 5/27$1,434
Sat 6/156:11 pmSTL - SYD
2 stops45h 54mAmerican Airlines
Sat 6/229:15 amSYD - STL
2 stops22h 56mAmerican Airlines
Deal found 5/27$1,455

St. Louis to Australia 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Australia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
These are some of the best deals we've found on flights to Australia in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 8/3110:10 amSTL - SYD
2 stops30h 10mAir Canada
Mon 9/99:20 amSYD - STL
2 stops45h 00mAir Canada
Deal found 5/27$1,294
Sun 8/184:05 pmSTL - BNE
2 stops47h 55mAir Canada
Sat 8/2410:00 amBNE - STL
2 stops25h 01mAir Canada
Deal found 5/28$1,304
Sun 6/911:00 amSTL - SYD
2 stops29h 20mAir Canada
Sun 6/169:20 amSYD - STL
2 stops45h 01mAir Canada
Deal found 5/26$1,308
Sun 6/911:00 amSTL - SYD
3 stops29h 20mAir Canada
Sun 6/169:20 amSYD - STL
2 stops25h 41mAir Canada
Deal found 5/26$1,314
Tue 9/107:00 amSTL - SYD
1 stop33h 05mQantas Airways
Tue 9/179:10 amSYD - STL
1 stop28h 50mQantas Airways
Deal found 5/27$1,324
Sun 8/1810:10 amSTL - BNE
3 stops34h 30mMultiple Airlines
Sat 8/2410:00 amBNE - STL
2 stops25h 01mMultiple Airlines
Deal found 5/28$1,332
Tue 9/105:01 pmSTL - SYD
2 stops24h 44mAir New Zealand
Tue 9/179:55 amSYD - STL
2 stops27h 18mAir New Zealand
Deal found 5/27$1,342
Wed 11/277:00 amSTL - BNE
2 stops34h 55mAir New Zealand
Sun 12/811:10 amBNE - STL
2 stops25h 11mAir New Zealand
Deal found 5/26$1,355
Thu 11/2811:05 amSTL - BNE
2 stops30h 50mAir New Zealand
Sun 12/811:10 amBNE - STL
2 stops26h 56mAir New Zealand
Deal found 5/26$1,366

One-way flights to Australia from St. Louis

Search for one-way flight options from St. Louis to Australia. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Australia, be sure to check out these deals, which are updated often. Users needing a return flight from St. Louis to Australia should utilize the search form above.
Sat 11/27:03 pmSTL - SYD
2 stops45h 57mAmerican Airlines
Deal found 5/26$1,031
Sat 11/24:09 pmSTL - SYD
1 stop23h 21mQantas Airways
Deal found 5/26$1,090
Sat 11/211:58 amSTL - SYD
3 stops27h 27mMultiple Airlines
Deal found 5/26$1,092
Fri 6/218:55 amSTL - MEL
2 stops34h 55mAir New Zealand
Deal found 5/27$1,426
Wed 6/1911:38 amSTL - MEL
3 stops32h 12mMultiple Airlines
Deal found 5/27$1,444
Wed 6/196:29 amSTL - AVV
2 stops46h 46mQantas Airways
Deal found 5/27$1,496
Fri 6/211:42 pmSTL - MEL
3 stops30h 08mMultiple Airlines
Deal found 5/27$1,509
Fri 6/2111:00 amSTL - AVV
3 stops42h 15mMultiple Airlines
Deal found 5/27$1,514
Wed 6/196:29 amSTL - MEL
2 stops39h 06mQantas Airways
Deal found 5/27$1,537

Find flights from St. Louis to Australia within your budget

Customize your flight search to find flights from St. Louis 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 2,740,132 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,241 - $1,771

Route

Depart

Return

Price

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Tue 8/13

2 stops28h 20m

Sydney Kingsford Smith

Wed 10/16

2 stops26h 45m

$1,241

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Tue 8/13

2 stops28h 20m

Sydney Kingsford Smith

Wed 10/16

3 stops50h 45m

$1,246

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Tue 9/10

1 stop33h 05m

Sydney Kingsford Smith

Tue 9/17

1 stop28h 50m

$1,324

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Tue 8/13

1 stop33h 05m

Sydney Kingsford Smith

Wed 10/16

1 stop21h 30m

$1,325

Lambert-St LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sun 8/18

3 stops34h 30m

Brisbane

Sat 8/24

2 stops25h 01m

$1,332

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Tue 9/10

2 stops24h 44m

Sydney Kingsford Smith

Tue 9/17

2 stops27h 18m

$1,342

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sun 10/6

1 stop21h 55m

Sydney Kingsford Smith

Sun 10/20

1 stop29h 10m

$1,384

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sun 6/9

2 stops30h 42m

Sydney Kingsford Smith

Sun 6/16

1 stop28h 43m

$1,387

Lambert-St LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 10/6

2 stops37h 15m

Melbourne

Wed 11/27

2 stops63h 00m

$1,771

Flights are sorted by cheapest first

Deals found on 5/28

No data available for this route at this time. Please check back soon.

Best time to book a flight from St. Louis to Australia

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

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 May 28, 2024.
Get a feel of what it's like to fly with American Airlines, Qantas Airways and Air Canada from St. Louis to Australia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.3
Very good
608 reviews
Check prices

Overall

8.3

Crew

8.7

Comfort

8.1

Boarding

8.4

Entertainment

7.9

Food

7.6

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

Air New Zealand
8.3
Very good
608 reviews
Air New Zealand
8.3
Very good
608 reviews
Check prices

Overall

8.3

Crew

8.7

Comfort

8.1

Boarding

8.4

Entertainment

7.9

Food

7.6

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

Emirates
8.1
Very good
3,919 reviews
Air New Zealand
8.3
Very good
608 reviews
Check prices

Overall

8.3

Crew

8.7

Comfort

8.1

Boarding

8.4

Entertainment

7.9

Food

7.6

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

Alaska Airlines
8.1
Very good
9,194 reviews
Air New Zealand
8.3
Very good
608 reviews
Check prices

Overall

8.3

Crew

8.7

Comfort

8.1

Boarding

8.4

Entertainment

7.9

Food

7.6

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

Cathay Pacific
7.8
Good
1,056 reviews
Air New Zealand
8.3
Very good
608 reviews
Check prices

Overall

8.3

Crew

8.7

Comfort

8.1

Boarding

8.4

Entertainment

7.9

Food

7.6

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

Qantas Airways
7.6
Good
943 reviews
Air New Zealand
8.3
Very good
608 reviews
Check prices

Overall

8.3

Crew

8.7

Comfort

8.1

Boarding

8.4

Entertainment

7.9

Food

7.6

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

Related info for your journey

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

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

  • Can I find flights from St. Louis to Australia for under $1,300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Australia for under $1,300. The cheapest flight booked recently is on Air Canada for just $1,241, but on average you can expect to pay $1,344.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $1,031. Qantas Airways flights start at $1,090 while deals on Air New Zealand start at $1,426 one-way.

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

    The most popular flight routes from St. Louis to Australia are Lambert-St Louis - Sydney Kingsford Smith, Lambert-St Louis - Melbourne and Lambert-St Louis - Melbourne Avalon.

  • 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. Melbourne Airport (MEL), Brisbane Airport (BNE), Perth Airport (PER), Adelaide Airport (ADL), Cairns Airport (CNS) are other airports near this flight route and their unique identifiers/IATA codes.

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

    The amount of baggage you can bring on your St. Louis 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 St. Louis to Australia with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis 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 St. Louis to Australia that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis 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 St. Louis to Australia that allow pets onboard?

    Many airlines flying from St. Louis 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 St. Louis to Australia?

    Yes, you can often find last-minute deals on St. Louis 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 St. Louis to Australia flight deals updated?

    The St. Louis to Australia flight deals you see on this page were last updated on 5/28.

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

    Consider American Airlines, Air Canada or Delta when booking your flight. These represent the most popular airlines when flying from St. Louis to Australia.

  • When is the best time to book a flight from St. Louis to Australia?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Australia (average of $1,097). Flying from St. Louis to Australia in July is currently the most expensive (average of $1,385). 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

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Alternative routes for St. Louis to Australia
See prices for flight routes from nearby airports that may be better suited for you.

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Top 6 airlines flying from St. Louis to Australia

Discover the top 6 airlines that operate flights from St. Louis 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 2,740,132 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$924Average$1,448FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$1,013Average$1,535FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,127Average$1,391FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$1,205Average$1,523FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,257Average$2,191FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,422Average$1,842FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
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Search flights from St. Louis to Australia by cabin class

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

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Australia.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Australia, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Australia from St. Louis today and book when prices fit your budget.

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