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St. Louis

$742+ Cheap flights from Sydney (SYD) to St. Louis (STL)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
Nov 19 — Nov 261
1 adult
Tue 11/19
Tue 11/26
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1. Tell us where you want to go
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Cheap flight deals from Sydney to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) 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 November 14, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

February

Round-trip from

$1,170
(United Airlines)

One-way from

$745
(United Airlines)
Provider with most accurate pricing for Sydney Kingsford Smith-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Lambert-St Louis flights.
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High demand for flights, 30% potential price rise
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Best time to find cheap flights, 21% potential price drop
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From Sydney Kingsford Smith to Lambert-St Louis
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One-way flight from Sydney Kingsford Smith to Lambert-St Louis
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Find flight deals from Sydney to St. Louis

Cheapest flights from Sydney to St. Louis
Explore the most affordable flight options available from Sydney to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2024.

This Air Canada deal was found by Cheapflights users on 11/14. 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.
Tue 12/2411:20 amSYD - STL
2 stops44h 46mAir Canada
Mon 1/63:50 pmSTL - SYD
2 stops46h 05mAir Canada
Deal found 11/14$1,461
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/2512:10 pmSYD - STL
1 stop29h 18mUnited Airlines
Tue 1/76:15 amSTL - SYD
1 stop31h 45mUnited Airlines
Deal found 11/13$1,578
This Japan Airlines deal was found by Cheapflights users on 11/13. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/249:15 amSYD - STL
2 stops47h 25mMultiple Airlines
Sun 1/56:30 amSTL - SYD
2 stops31h 20mMultiple Airlines
Deal found 11/13$1,749
This American Airlines deal was found by Cheapflights users on 11/14. 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.
Thu 12/511:15 amSYD - STL
1 stop29h 57mAmerican Airlines
Wed 12/111:36 pmSTL - SYD
1 stop23h 59mAmerican Airlines
Deal found 11/14$1,855
This Delta deal was found by Cheapflights users on 11/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/232:15 pmSYD - STL
2 stops24h 27mDelta
Thu 1/97:40 amSTL - SYD
2 stops30h 10mDelta
Deal found 11/13$2,200
This StudentUniverse deal was found by Cheapflights users on 11/13. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2311:50 amSYD - STL
1 stop27h 12mVirgin Australia
Tue 1/74:36 pmSTL - SYD
1 stop21h 24mVirgin Australia
Deal found 11/13$2,256
This Qantas Airways deal was found by Cheapflights users on 11/14. 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.
Mon 12/235:25 pmSYD - STL
1 stop23h 02mQantas Airways
Mon 1/65:29 pmSTL - SYD
2 stops23h 51mQantas Airways
Deal found 11/14$2,344

Find flights from Sydney to St. Louis within your budget

Customize your flight search to find flights from Sydney 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 2,752,363 searches. Data last updated November 14, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 5/12

10:20 am-12:27 am

1 stop29h 07m

Lambert-St Louis

Sat 5/31

10:30 am-6:55 am

2 stops29h 25m

$1,170

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 5/12

9:20 am-7:58 pm

2 stops49h 38m

Lambert-St Louis

Sat 5/31

1:25 pm-7:20 am

3 stops50h 55m

$1,338

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 12/24

9:15 am-3:40 pm

2 stops47h 25m

Lambert-St Louis

Sun 1/5

6:30 am-6:50 am

2 stops31h 20m

$1,749

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 12/5

11:15 am-12:12 am

1 stop29h 57m

Lambert-St Louis

Wed 12/11

1:36 pm-6:35 am

1 stop23h 59m

$1,855

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 12/23

2:15 pm-9:42 pm

2 stops24h 27m

Lambert-St Louis

Thu 1/9

7:40 am-6:50 am

2 stops30h 10m

$2,200

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 12/23

11:50 am-10:02 pm

1 stop27h 12m

Lambert-St Louis

Tue 1/7

4:36 pm-7:00 am

1 stop21h 24m

$2,256

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 12/23

5:25 pm-11:27 pm

1 stop23h 02m

Lambert-St Louis

Mon 1/6

5:29 pm-10:20 am

2 stops23h 51m

$2,344

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 3/5

12:10 pm-8:44 pm

2 stops25h 34m

$742

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Tue 1/14

6:25 am-1:53 pm

3 stops48h 28m

$888

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sun 4/13

10:25 am-2:13 pm

1 stop18h 48m

$1,200

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Showing 1-10 of 11 results
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Compare providers for flights from Sydney to St. Louis

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 Sydney to St. Louis in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*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 Sydney-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub 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 Sydney-St. Louis 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 Sydney to St. Louis

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

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

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

Currently, September is the cheapest month in which you can book a flight from Sydney to St. Louis (average of $308). Flying from Sydney to St. Louis in March is currently the most expensive (average of $357). 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.

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 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 November 14, 2024.
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,788 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Qantas Airways
7.6
Good
826 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Cathay Pacific
7.6
Good
874 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Australia
7.6
Good
492 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LATAM Airlines
7.5
Good
1,948 reviews
Delta
8.0
Very good
8,788 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Sydney 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 are the cheapest airlines flying from Sydney to St. Louis round-trip?

    Our cheapest airline available from Sydney to St. Louis is United Airlines. Our recent data shows that you can find tickets from as low as $1,170 on this airline. Additional options worth looking into are Air Canada and Virgin Australia, starting at $1,197 and $1,827 round-trip. Users have found that United Airlines is 22% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $745. Delta flights start at $750 while deals on Cathay Pacific start at $1,367 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sydney 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 Sydney to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Sydney to St. Louis (average of $308). Flying from Sydney to St. Louis in March is currently the most expensive (average of $357). 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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Top airline flying from Sydney to St. Louis

Discover the top airline that operate flights from Sydney 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 2,752,363 searches. Data last updated November 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,050Average$1,776FlexibilityNo cancel feeOn-time71%
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