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$889+ Cheap flights from St. Louis (STL) to Sydney (SYD)

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYD
Sep 23 — Sep 301
From?
To?
Mon 9/23
Mon 9/30
1 adult, Economy
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The best prices from Lambert-St Louis to Sydney Kingsford Smith are usually found in February or March, booked 60 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from St. Louis to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Sydney (SYD). 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 September 18, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

December

Cheapest in

February

Round-trip from

$1,147

One-way from

$889
(United Airlines)
Provider with most accurate pricing for Lambert-St Louis-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Sydney Kingsford Smith flights.
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High demand for flights, 22% potential price rise
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Best time to find cheap flights, 14% potential price drop
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From Lambert-St Louis to Sydney Kingsford Smith
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One-way flight from Lambert-St Louis to Sydney Kingsford Smith
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Cheap St. Louis to Sydney flights in September & October 2024

Find cheap flight options from St. Louis to Sydney specifically for the months of September and October 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,055,650 searches. Prices were last updated on September 18, 2024.
These are some of the best deals we've found on flights to Sydney in 2024 at this time. Check back soon for alternative fares.
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/162:42 pmSTL - SYD
2 stops25h 23mAmerican Airlines
Wed 10/2310:15 amSYD - STL
2 stops24h 40mAmerican Airlines
Deal found 9/16$1,499
This Air Canada deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/169:50 amSTL - SYD
2 stops30h 30mAir Canada
Wed 10/2310:20 amSYD - STL
3 stops50h 45mAir Canada
Deal found 9/16$1,576
This Ovago deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/214:15 pmSTL - SYD
1 stop23h 00mQantas Airways
Mon 9/239:15 amSYD - STL
1 stop28h 53mQantas Airways
Deal found 9/17$1,833
This KAYAK deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/215:01 pmSTL - SYD
2 stops22h 59mAir New Zealand
Mon 9/239:55 amSYD - STL
2 stops25h 41mAir New Zealand
Deal found 9/17$2,082
This Gurufare deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/196:40 amSTL - SYD
1 stop33h 25mMultiple Airlines
Thu 9/268:45 pmSYD - STL
2 stops52h 44mMultiple Airlines
Deal found 9/18$2,083

St. Louis to Sydney 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Sydney in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,055,650 searches. Data last updated September 18, 2024.
These are some of the best deals we've found on flights to Sydney in 2024 at this time. Check back soon for alternative fares.
This deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/104:44 pmSTL - SYD
2 stops23h 31mUnited Airlines
Sun 11/2412:10 pmSYD - STL
2 stops25h 35mUnited Airlines
Deal found 9/18$1,147
This Justfly.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/36:17 amSTL - SYD
1 stop33h 43mQantas Airways
Mon 12/168:55 amSYD - STL
2 stops32h 17mQantas Airways
Deal found 9/17$1,165
This Priceline deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/43:50 pmSTL - SYD
2 stops48h 45mAir Canada
Mon 11/1111:20 amSYD - STL
2 stops44h 46mAir Canada
Deal found 9/18$1,275
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/162:42 pmSTL - SYD
2 stops25h 23mAmerican Airlines
Wed 10/2310:15 amSYD - STL
2 stops24h 40mAmerican Airlines
Deal found 9/16$1,499
This Air New Zealand deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/31:39 pmSTL - SYD
3 stops27h 46mMultiple Airlines
Mon 12/1611:45 amSYD - STL
3 stops26h 02mMultiple Airlines
Deal found 9/18$1,862
This KAYAK deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/215:01 pmSTL - SYD
2 stops22h 59mAir New Zealand
Mon 9/239:55 amSYD - STL
2 stops25h 41mAir New Zealand
Deal found 9/17$2,082
This Gurufare deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/225:09 pmSTL - SYD
3 stops71h 16mLATAM Airlines
Wed 1/112:20 pmSYD - STL
2 stops37h 38mLATAM Airlines
Deal found 9/17$3,968
This AranGrant deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1711:31 amSTL - SYD
2 stops31h 29mCathay Pacific
Thu 11/2810:20 pmSYD - STL
2 stops35h 10mCathay Pacific
Deal found 9/17$6,736

St. Louis to Sydney flights leaving soon

Find last-minute flight options from St. Louis to Sydney for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,055,650 searches. Data last updated September 18, 2024.
Book one of these great deals on flights from St. Louis to Sydney. To prevent any unwanted surprises, users should verify their flight info before booking.
This Ovago deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/214:15 pmSTL - SYD
1 stop23h 00mQantas Airways
Mon 9/239:15 amSYD - STL
1 stop28h 53mQantas Airways
Deal found 9/17$1,833
This KAYAK deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/215:01 pmSTL - SYD
2 stops22h 59mAir New Zealand
Mon 9/239:55 amSYD - STL
2 stops25h 41mAir New Zealand
Deal found 9/17$2,082
This Gotogate deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2111:20 amSTL - SYD
2 stops30h 25mMultiple Airlines
Mon 9/238:45 pmSYD - STL
2 stops60h 30mMultiple Airlines
Deal found 9/17$2,168
This Air Canada deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/219:50 amSTL - SYD
3 stops30h 30mAir Canada
Mon 9/239:20 amSYD - STL
3 stops50h 45mAir Canada
Deal found 9/17$10,960
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/15:47 pmSTL - SYD
2 stops22h 18mAmerican Airlines
Tue 10/1510:15 amSYD - STL
2 stops21h 53mAmerican Airlines
Deal found 9/18$27,244

One-way flights to Sydney from St. Louis

Search for one-way flight options from St. Louis to Sydney. 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 3,055,650 searches. Data last updated September 18, 2024.
Users traveling one-way from St. Louis to Sydney can select one of these great deals. Users needing a return flight from St. Louis to Sydney should utilize the search form above.
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/88:27 amSTL - SYD
2 stops31h 48mUnited Airlines
Deal found 9/17$889
This Gurufare deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/87:24 pmSTL - SYD
1 stop20h 36mQantas Airways
Deal found 9/17$1,461
This Qantas Airways deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/812:05 pmSTL - SYD
3 stops26h 20mMultiple Airlines
Deal found 9/17$1,884

Find flights from St. Louis to Sydney within your budget

Customize your flight search to find flights from St. Louis to Sydney 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 3,055,650 searches. Data last updated September 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,147 - $3,968

Route

Depart

Return

Price

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sun 11/10

2 stops23h 31m

Sydney Kingsford Smith

Sun 11/24

2 stops25h 35m

$1,147

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sat 3/8

2 stops47h 45m

Sydney Kingsford Smith

Mon 3/24

2 stops44h 46m

$1,162

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Tue 12/3

1 stop33h 43m

Sydney Kingsford Smith

Mon 12/16

2 stops32h 17m

$1,165

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Wed 3/12

1 stop21h 56m

Sydney Kingsford Smith

Wed 3/26

1 stop22h 25m

$1,345

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Wed 10/16

2 stops25h 23m

Sydney Kingsford Smith

Wed 10/23

2 stops24h 40m

$1,499

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Thu 2/13

2 stops33h 05m

Sydney Kingsford Smith

Sun 6/22

2 stops30h 13m

$1,501

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sat 3/8

2 stops23h 28m

Sydney Kingsford Smith

Mon 3/24

1 stop21h 53m

$1,739

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sat 3/8

3 stops43h 32m

Sydney Kingsford Smith

Tue 3/25

3 stops45h 20m

$3,766

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sun 12/22

3 stops71h 16m

Sydney Kingsford Smith

Wed 1/1

2 stops37h 38m

$3,968

Flights are sorted by cheapest first

Deals found on 9/18

Compare providers for flights from St. Louis to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Sydney in September.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
AranGrantPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Sydney flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Sydney flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Sydney flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Sydney 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.

Travel insights for flights from St. Louis to Sydney

Get recent, data-driven insights about flights from St. Louis to Sydney including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from St. Louis to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Sydney. Price data was last updated on September 13, 2024.

The best time to book flights from St. Louis to Sydney is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Find deals

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

Currently, March is the cheapest month in which you can book a flight from St. Louis to Sydney (average of $934). Flying from St. Louis to Sydney in April is currently the most expensive (average of $1,389). 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.

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

Find hourly flight availability from St. Louis to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 18, 2024.

It’s optimal to fly from St. Louis to Sydney in the morning. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from St. Louis to Sydney?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Sydney. Price data was last updated on September 15, 2024.

Travelers seeking maximum savings on their St. Louis to Sydney flight should consider departing on Friday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Find deals

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

Our users search for these airlines the most when looking for flights from St. Louis to Sydney. Data last updated on September 18, 2024.

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

Qantas Airways

Qantas Airways

From $1,236

United Airlines

United Airlines

From $989

American Airlines

American Airlines

From $1,134

Air Canada

Air Canada

From $962

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated September 18, 2024.
Get a feel of what it's like to fly with Air New Zealand, Air Canada and Qantas Airways from St. Louis to Sydney by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.1
Very good
544 reviews

Crew

8.7

Entertainment

7.6

Food

7.5

Boarding

8.3

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Nice unfortunately food sucks especially when you require a vegetarian with dairy and get a vegan meal- they need improvement in that area.

Air New Zealand
8.1
Very good
544 reviews
Air New Zealand
8.1
Very good
544 reviews

Crew

8.7

Entertainment

7.6

Food

7.5

Boarding

8.3

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Nice unfortunately food sucks especially when you require a vegetarian with dairy and get a vegan meal- they need improvement in that area.

Delta
8.0
Very good
9,073 reviews
Air New Zealand
8.1
Very good
544 reviews

Crew

8.7

Entertainment

7.6

Food

7.5

Boarding

8.3

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Nice unfortunately food sucks especially when you require a vegetarian with dairy and get a vegan meal- they need improvement in that area.

Cathay Pacific
7.7
Good
898 reviews
Air New Zealand
8.1
Very good
544 reviews

Crew

8.7

Entertainment

7.6

Food

7.5

Boarding

8.3

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Nice unfortunately food sucks especially when you require a vegetarian with dairy and get a vegan meal- they need improvement in that area.

Qantas Airways
7.6
Good
846 reviews
Air New Zealand
8.1
Very good
544 reviews

Crew

8.7

Entertainment

7.6

Food

7.5

Boarding

8.3

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Nice unfortunately food sucks especially when you require a vegetarian with dairy and get a vegan meal- they need improvement in that area.

LATAM Airlines
7.5
Good
2,066 reviews
Air New Zealand
8.1
Very good
544 reviews

Crew

8.7

Entertainment

7.6

Food

7.5

Boarding

8.3

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Nice unfortunately food sucks especially when you require a vegetarian with dairy and get a vegan meal- they need improvement in that area.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from St. Louis to Sydney for under $1,200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Sydney for under $1,200. The cheapest flight booked recently is on United Airlines for just $1,147, but on average you can expect to pay $2,402.

  • Are there last-minute flights available from St. Louis to Sydney for under $1,900?

    There are currently 5+ open flights from St. Louis to Sydney within the next 7 days for less than $1,900.

  • What are the cheapest airlines flying from St. Louis to Sydney round-trip?

    According to our current data, United Airlines ($1,147), Air Canada ($1,162), and Qantas Airways ($1,165) offers the cheapest pricing from St. Louis to Sydney. United Airlines is priced at 25% lower than the current average price of a flight leaving 3 months from now.

  • What does STL to SYD mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Lambert-St Louis Airport to Sydney Kingsford Smith Airport flight would often be abbreviated as a STL to SYD flight.

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

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

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

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

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

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

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

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

    Many airlines flying from St. Louis to Sydney 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 Sydney?

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

    The St. Louis to Sydney flight deals you see on this page were last updated on 9/18.

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

    Currently, March is the cheapest month in which you can book a flight from St. Louis to Sydney (average of $934). Flying from St. Louis to Sydney in April is currently the most expensive (average of $1,389). 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 Sydney
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 Sydney

Discover the top 6 airlines that operate flights from St. Louis to Sydney. 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 3,055,650 searches. Data last updated September 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$942Average$1,478FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$962Average$1,304FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$989Average$1,389FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,134Average$1,479FlexibilityNo cancel feeOn-time71%
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