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Cheap flights from Sydney to St. Louis from $1,296

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
23 Dec — 30 Dec1
1 adult

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 18 December 2024.

Round-trip from

$1,685

One-way from

$1,296

Popular in

August

Cheapest in

February

Average price

$2,627
Air Canada
  • Air Canada
  • 12/5-31/5
  • 4 total stops
  • 95h 46m total
  • Sydney to St. Louis
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5/3
  • 5/3
  • 2 total stops
  • 47h 31m total
  • Sydney to St. Louis
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High demand for flights, 8% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in December 2024
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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 stopovers in mind to ensure you get the best travel experience. Data last updated 18 December 2024.

Mon 12/509:20SYD - STL
2 stops44h 56mAir Canada
Sat 31/513:30STL - SYD
2 stops50h 50mAir Canada
Deal found 17/12$1,685
Mon 10/212:10SYD - STL
1 stop22h 59mUnited Airlines
Mon 17/216:30STL - SYD
1 stop21h 30mUnited Airlines
Deal found 16/12$2,067
Mon 10/217:25SYD - STL
2 stops22h 31mMultiple Airlines
Mon 17/211:57STL - SYD
3 stops28h 53mMultiple Airlines
Deal found 16/12$2,703

Find flights from Sydney to St. Louis within your budget

Customise 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 647,157 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 12/5

09:20-15:16

2 stops44h 56m

Lambert-St Louis

Sat 31/5

13:30-07:20

2 stops50h 50m

$1,685

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 10/2

11:50-14:37

1 stop19h 47m

Lambert-St Louis

Mon 17/2

13:39-09:05

2 stops26h 26m

$2,067

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 10/2

17:25-22:56

2 stops22h 31m

Lambert-St Louis

Mon 17/2

11:57-09:50

3 stops28h 53m

$2,703

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/3

09:15-15:46

2 stops47h 31m

$1,296

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 5/3

09:15-11:29

2 stops43h 14m

$1,298

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 6/3

11:50-17:11

2 stops22h 21m

$1,307

Flights are sorted by cheapest return flights first.

Deals found on 16/12

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 return 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 time of day to fly from SYD to STL?

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

It’s typically best to fly out from Sydney to St. Louis in the morning. Doing so could potentially save you 32% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

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 18 December 2024.
Japan Airlines
8.3
Very Good
1,443 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

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.

Japan Airlines
8.3
Very Good
1,443 reviews
Japan Airlines
8.3
Very Good
1,443 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

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.

United Airlines
7.4
Good
9,059 reviews
Japan Airlines
8.3
Very Good
1,443 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

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.

Air Canada
7.0
Good
8,382 reviews
Japan Airlines
8.3
Very Good
1,443 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Food

7.7

Overall

8.3

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?

    Flying on Air Canada is currently your cheapest option to St. Louis, with prices starting at $1,685. Another option worth looking into is United Airlines, starting at $2,067 round trip. 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 holiday 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.

See more FAQs

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Alternative routes for Sydney to St. Louis

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Top 4 airlines flying from Sydney to St. Louis

Discover the top 4 airlines 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 647,157 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,447Average$2,171FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,507Average$2,508FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$1,519Average$2,585FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,737Average$2,329FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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

When you search for this flight from Sydney to St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Sydney to St. Louis by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Sydney to St. Louis with no change fees.

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

Not ready to book yet? You can track prices for flights from Sydney to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

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