Cheap flights from St. Louis (STL) to Australia from $748

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 6/24. 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
may. 13 — may. 201

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 $1,695. You can even find prices in February for less than $1,695, as users have found deals to Australia from as low as $1,194. 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 61%.

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 Air New Zealand flights from St. Louis to Australia

Explore cheap flight options specifically provided by Air New Zealand 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 2,752,338 searches. Data last updated mayo 8, 2024.
Find some of the cheapest Air New Zealand flights traveling from St. Louis to Australia. It's recommended that users confirm their flight details before booking.
mar. 8/135:03 pmSTL - SYD
2 stops26h 32mAir New Zealand
vie. 8/2311:50 amSYD - STL
2 stops44h 13mAir New Zealand
Deal found 5/7$1,413
mar. 8/138:58 amSTL - SYD
2 stops32h 47mAir New Zealand
vie. 8/2310:20 amSYD - STL
1 stop29h 07mAir New Zealand
Deal found 5/7$1,512
lun. 11/44:17 pmSTL - SYD
2 stops25h 08mAir New Zealand
mar. 11/265:55 pmSYD - STL
2 stops44h 44mAir New Zealand
Deal found 5/7$1,513
lun. 11/44:17 pmSTL - SYD
2 stops23h 28mAir New Zealand
mar. 11/2612:10 pmSYD - STL
1 stop21h 53mAir New Zealand
Deal found 5/7$1,545
sáb. 7/2711:10 amSTL - SYD
2 stops30h 35mAir New Zealand
mié. 7/318:45 amSYD - STL
2 stops28h 32mAir New Zealand
Deal found 5/6$1,892
lun. 6/244:55 pmSTL - SYD
2 stops24h 50mAir New Zealand
mié. 7/108:45 amSYD - STL
2 stops26h 46mAir New Zealand
Deal found 5/8$1,955
mié. 8/1411:10 amSTL - SYD
2 stops32h 25mAir New Zealand
dom. 8/188:45 amSYD - STL
2 stops28h 32mAir New Zealand
Deal found 5/6$1,971
vie. 6/214:55 pmSTL - SYD
2 stops26h 40mAir New Zealand
sáb. 7/138:45 amSYD - STL
2 stops28h 32mAir New Zealand
Deal found 5/7$1,979
lun. 6/311:15 amSTL - MEL
2 stops32h 35mAir New Zealand
mié. 7/318:45 amMEL - STL
2 stops46h 43mAir New Zealand
Deal found 5/6$2,030

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 2,752,338 searches. Data last updated mayo 8, 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.
mar. 8/137:00 amSTL - SYD
1 stop33h 05mQantas Airways
vie. 8/239:15 amSYD - STL
1 stop28h 27mQantas Airways
Deal found 5/7$1,606
lun. 11/47:23 pmSTL - SYD
1 stop20h 37mQantas Airways
mar. 11/2611:15 amSYD - STL
1 stop28h 45mQantas Airways
Deal found 5/7$1,625
mié. 6/56:29 amSTL - SYD
1 stop33h 36mQantas Airways
mié. 6/129:15 amSYD - STL
1 stop28h 43mQantas Airways
Deal found 5/6$2,093
mié. 6/56:29 amSTL - SYD
2 stops35h 26mQantas Airways
mié. 6/125:35 pmSYD - STL
1 stop20h 23mQantas Airways
Deal found 5/6$2,116
vie. 6/215:27 pmSTL - SYD
1 stop21h 48mQantas Airways
sáb. 7/139:15 amSYD - STL
1 stop28h 52mQantas Airways
Deal found 5/7$2,184
mié. 7/36:29 amSTL - SYD
1 stop33h 36mQantas Airways
mié. 7/109:15 amSYD - STL
1 stop28h 52mQantas Airways
Deal found 5/6$2,233
lun. 6/245:27 pmSTL - HBA
2 stops34h 23mQantas Airways
vie. 7/266:00 amHBA - STL
2 stops27h 40mQantas Airways
Deal found 5/7$2,294
sáb. 6/16:02 pmSTL - BNE
2 stops27h 33mQantas Airways
dom. 6/3010:00 pmBNE - STL
1 stop39h 58mQantas Airways
Deal found 5/6$2,366
mié. 7/35:27 pmSTL - BNE
2 stops25h 08mQantas Airways
mié. 7/1010:00 pmBNE - STL
1 stop40h 07mQantas Airways
Deal found 5/6$2,489

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 2,752,338 searches. Prices were last updated on mayo 8, 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.
vie. 6/2111:00 amSTL - SYD
2 stops29h 20mAir Canada
sáb. 7/139:20 amSYD - STL
2 stops25h 41mAir Canada
Deal found 5/8$1,953
lun. 6/244:55 pmSTL - SYD
2 stops24h 50mAir New Zealand
mié. 7/108:45 amSYD - STL
2 stops26h 46mAir New Zealand
Deal found 5/8$1,955
vie. 6/214:55 pmSTL - SYD
2 stops26h 40mAir New Zealand
sáb. 7/138:45 amSYD - STL
2 stops28h 32mAir New Zealand
Deal found 5/7$1,979
sáb. 5/2511:00 amSTL - SYD
2 stops53h 20mAir Canada
vie. 5/319:20 amSYD - STL
2 stops45h 01mAir Canada
Deal found 5/7$2,014
sáb. 5/2511:00 amSTL - SYD
3 stops53h 20mAir Canada
vie. 5/319:20 amSYD - STL
2 stops45h 01mAir Canada
Deal found 5/7$2,020
sáb. 6/111:00 amSTL - BNE
2 stops29h 00mAir Canada
dom. 6/3010:00 amBNE - STL
2 stops44h 21mAir Canada
Deal found 5/6$2,029
lun. 6/311:15 amSTL - MEL
2 stops32h 35mAir New Zealand
mié. 7/318:45 amMEL - STL
2 stops46h 43mAir New Zealand
Deal found 5/6$2,030
lun. 6/244:45 pmSTL - SYD
3 stops25h 00mMultiple Airlines
mié. 7/108:45 amSYD - STL
2 stops26h 46mMultiple Airlines
Deal found 5/8$2,049
vie. 6/214:55 pmSTL - SYD
2 stops24h 50mMultiple Airlines
sáb. 7/138:45 amSYD - STL
3 stops28h 35mMultiple Airlines
Deal found 5/7$2,074

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 2,752,338 searches. Data last updated mayo 8, 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.
mar. 8/135:03 pmSTL - SYD
2 stops26h 32mAir New Zealand
vie. 8/2311:50 amSYD - STL
2 stops44h 13mAir New Zealand
Deal found 5/7$1,413
lun. 12/24:17 pmSTL - SYD
2 stops23h 28mAir New Zealand
mar. 12/247:15 pmSYD - STL
2 stops42h 06mAir New Zealand
Deal found 5/7$1,509
mar. 8/138:58 amSTL - SYD
2 stops32h 47mAir New Zealand
vie. 8/2310:20 amSYD - STL
1 stop29h 07mAir New Zealand
Deal found 5/7$1,512
lun. 11/44:17 pmSTL - SYD
2 stops25h 08mAir New Zealand
mar. 11/265:55 pmSYD - STL
2 stops44h 44mAir New Zealand
Deal found 5/7$1,513
lun. 12/26:15 amSTL - SYD
2 stops33h 30mAir New Zealand
mar. 12/2412:10 pmSYD - STL
1 stop21h 53mAir New Zealand
Deal found 5/7$1,538
lun. 11/44:17 pmSTL - SYD
2 stops23h 28mAir New Zealand
mar. 11/2612:10 pmSYD - STL
1 stop21h 53mAir New Zealand
Deal found 5/7$1,545
lun. 12/24:17 pmSTL - SYD
2 stops23h 28mMultiple Airlines
mar. 12/249:55 amSYD - STL
3 stops28h 44mMultiple Airlines
Deal found 5/7$1,572
mar. 8/137:00 amSTL - SYD
1 stop33h 05mQantas Airways
vie. 8/239:15 amSYD - STL
1 stop28h 27mQantas Airways
Deal found 5/7$1,606
lun. 11/47:23 pmSTL - SYD
1 stop20h 37mQantas Airways
mar. 11/2611:15 amSYD - STL
1 stop28h 45mQantas Airways
Deal found 5/7$1,625

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 2,752,338 searches. Data last updated mayo 8, 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.
lun. 6/247:00 amSTL - SYD
3 stops40h 40mMultiple Airlines
Deal found 5/8$748
lun. 6/242:21 pmSTL - SYD
2 stops33h 19mMultiple Airlines
Deal found 5/8$759
vie. 6/213:07 pmSTL - AVV
3 stops51h 43mMultiple Airlines
Deal found 5/8$917
vie. 9/133:02 pmSTL - SYD
3 stops29h 43mMultiple Airlines
Deal found 5/7$1,050
vie. 9/134:51 pmSTL - SYD
2 stops23h 09mUnited Airlines
Deal found 5/7$1,076
mié. 5/2911:36 amSTL - MEL
3 stops33h 44mMultiple Airlines
Deal found 5/8$1,137
mié. 5/2911:36 amSTL - MEL
2 stops51h 09mMultiple Airlines
Deal found 5/8$1,201
lun. 7/18:58 amSTL - SYD
2 stops34h 37mAir New Zealand
Deal found 5/7$1,277
lun. 7/12:41 pmSTL - SYD
3 stops27h 04mMultiple Airlines
Deal found 5/7$1,283

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 2,752,338 searches. Data last updated mayo 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,413 - $2,706

Route

Depart

Return

Price

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

mar. 8/13

2 stops26h 32m

Sydney Kingsford Smith

vie. 8/23

2 stops44h 13m

$1,413

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

mar. 8/13

2 stops32h 47m

Sydney Kingsford Smith

vie. 8/23

1 stop29h 07m

$1,512

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

lun. 11/4

2 stops25h 08m

Sydney Kingsford Smith

mar. 11/26

2 stops44h 44m

$1,513

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

mar. 8/13

1 stop33h 05m

Sydney Kingsford Smith

vie. 8/23

1 stop28h 27m

$1,606

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

lun. 11/4

1 stop20h 37m

Sydney Kingsford Smith

mar. 11/26

1 stop28h 45m

$1,625

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

mar. 8/13

3 stops52h 20m

Sydney Kingsford Smith

vie. 8/23

2 stops45h 01m

$1,644

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

lun. 11/4

2 stops25h 08m

Sydney Kingsford Smith

mar. 11/26

3 stops24h 14m

$1,774

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

mié. 7/3

2 stops24h 38m

Sydney Kingsford Smith

mié. 7/10

2 stops25h 15m

$2,368

Lambert-St LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

sáb. 6/1

2 stops62h 33m

Brisbane

sáb. 6/29

2 stops61h 03m

$2,706

Flights are sorted by cheapest first

Deals found on 5/7

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

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 mayo 8, 2024.
Get a feel of what it's like to fly with Air New Zealand, 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.
8.5
Very good
928 reviews

Overall

8.5

Boarding

8.6

Entertainment

8.0

Crew

8.8

Food

7.8

Comfort

8.3

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

8.5
Very good
928 reviews
8.5
Very good
928 reviews

Overall

8.5

Boarding

8.6

Entertainment

8.0

Crew

8.8

Food

7.8

Comfort

8.3

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

8.3
Very good
1,478 reviews
8.5
Very good
928 reviews

Overall

8.5

Boarding

8.6

Entertainment

8.0

Crew

8.8

Food

7.8

Comfort

8.3

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

8.3
Very good
635 reviews
8.5
Very good
928 reviews

Overall

8.5

Boarding

8.6

Entertainment

8.0

Crew

8.8

Food

7.8

Comfort

8.3

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

7.8
Good
1,095 reviews
8.5
Very good
928 reviews

Overall

8.5

Boarding

8.6

Entertainment

8.0

Crew

8.8

Food

7.8

Comfort

8.3

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

7.7
Good
975 reviews
8.5
Very good
928 reviews

Overall

8.5

Boarding

8.6

Entertainment

8.0

Crew

8.8

Food

7.8

Comfort

8.3

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

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 $1,500 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Australia for under $1,500. The cheapest flight booked recently is on Air New Zealand for just $1,413, but on average you can expect to pay $1,818.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $1,076. Air New Zealand flights start at $1,277 while deals on Qantas Airways start at $1,317 one-way.

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

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

  • 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), Coolangatta Gold Coast Airport (OOL) 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 5/7.

See more FAQs

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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 2,752,338 searches. Data last updated mayo 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$924Average$1,447FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$1,013Average$1,535FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,141Average$1,392FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$1,214Average$1,550FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,257Average$2,201FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,422Average$1,799FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Australia from St. Louis today with Cheapflights!

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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