St. Louis

$824+ 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
Dec 23 — Dec 301
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1. Tell us where you want to go
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2. Select your favorite providers
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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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,070
(Air Canada)

One-way from

$824
(Japan Airlines)

Popular in

August

Cheapest in

February

Average price

$1,668
Provider with most accurate pricing for Sydney Kingsford Smith-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Lambert-St Louis flights.
From Sydney Kingsford Smith to Lambert-St Louis
One-way flight from Sydney Kingsford Smith to Lambert-St Louis
High demand for flights, 8% potential price rise
Best time to find cheap flights, 4% potential price drop
Average for round-trip flights in December 2024

Find flight deals from Sydney to St. Louis

Best flights from Sydney to St. Louis
Discover carefully curated flight deals from Sydney to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.

This Air Canada deal was found by Cheapflights users on 12/17. 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.
Mon 5/129:20 amSYD - STL
2 stops44h 56mAir Canada
Sat 5/311:30 pmSTL - SYD
2 stops50h 50mAir Canada
Deal found 12/17$1,070
This United Airlines deal was found by Cheapflights users on 12/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1210:20 amSYD - STL
1 stop27h 21mUnited Airlines
Sat 5/316:00 pmSTL - SYD
1 stop21h 55mUnited Airlines
Deal found 12/18$1,350
This Qantas Airways deal was found by Cheapflights users on 12/17. 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.
Fri 1/3111:50 amSYD - STL
2 stops21h 30mMultiple Airlines
Fri 2/71:40 pmSTL - SYD
3 stops28h 45mMultiple Airlines
Deal found 12/17$1,912

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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 5/12

9:20 am-3:16 pm

2 stops44h 56m

Lambert-St Louis

Sat 5/31

1:30 pm-7:20 am

2 stops50h 50m

$1,070

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 5/12

10:20 am-10:41 pm

1 stop27h 21m

Lambert-St Louis

Sat 5/31

6:00 pm-6:55 am

1 stop21h 55m

$1,350

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Fri 1/31

11:50 am-4:20 pm

2 stops21h 30m

Lambert-St Louis

Fri 2/7

1:40 pm-11:25 am

3 stops28h 45m

$1,912

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 3/5

9:15 am-11:29 am

2 stops43h 14m

$824

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 3/6

11:50 am-8:54 pm

1 stop26h 04m

$831

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 3/5

8:30 am-7:29 pm

3 stops27h 59m

$1,106

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 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, August is the cheapest month in which you can book a flight from Sydney to St. Louis (average of $311). Flying from Sydney to St. Louis in March is currently the most expensive (average of $356). 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 December 18, 2024.
8.3
Very good
1,443 reviews

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Boarding

8.4

Crew

8.7

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
1,443 reviews
8.3
Very good
1,443 reviews

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Boarding

8.4

Crew

8.7

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
9,055 reviews
8.3
Very good
1,443 reviews

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Boarding

8.4

Crew

8.7

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.

7.0
Good
8,382 reviews
8.3
Very good
1,443 reviews

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Boarding

8.4

Crew

8.7

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 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 Air Canada. Our recent data shows that you can find tickets from as low as $1,070 on this airline. An additional option worth looking into is United Airlines, starting at $1,350. Users have found that Air Canada is 24% cheaper than the other options available to this destination.

  • 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, August is the cheapest month in which you can book a flight from Sydney to St. Louis (average of $311). Flying from Sydney to St. Louis in March is currently the most expensive (average of $356). 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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Alternative routes for Sydney to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,050Average$1,776FlexibilityNo cancel feeOn-time71%
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