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Cheap flights from St Louis (STL) to Sydney (SYD)

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The best prices from St Louis to Sydney are usually found in June or April, booked 60 days in advance, depart on a Tuesday or Monday and return on a Monday

$1880
$1580
$1290
$990
Price
$990 - $1810
Temperature
32 - 75 °F
Rainfall
3 - 6 inches
Most popular in December High demand for flights, 22% potential price rise
Cheapest in June Best time to find cheap flights, 5% potential price drop
Average price $1050 Price for this month
Cheapest price $990 From St Louis to Sydney

Cheap flights from St Louis to Sydney in February 2020

The best prices found for STL to SYD flights for February
26 Feb - 4 Mar
$1094pp
STL
Lambert-St Louis
Qantas Airways
 
1 STOP
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Qantas Airways
 
1 STOP
STL
Lambert-St Louis
21 Feb - 5 Mar
$1178pp
STL
Lambert-St Louis
Qantas Airways
 
1 STOP
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Qantas Airways
 
1 STOP
STL
Lambert-St Louis

St Louis to Sydney 2020 flight deals

Cheap flights to Sydney from St Louis found for this year
15 Jun - 22 Jun
$1079pp
STL
Lambert-St Louis
Qantas Airways
 
1 STOP
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Qantas Airways
 
1 STOP
STL
Lambert-St Louis
1 Sep - 13 Sep
$1080pp
STL
Lambert-St Louis
Qantas Airways
 
1 STOP
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Qantas Airways
 
1 STOP
STL
Lambert-St Louis
9 Nov - 16 Nov
$1094pp
STL
Lambert-St Louis
Qantas Airways
 
1 STOP
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Qantas Airways
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St Louis to Sydney

Late deals on round-trip flights to Sydney from St Louis, departing today and this week
13 Feb - 22 Feb
$1306pp
STL
Lambert-St Louis
Major Airline
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Major Airline
   
2 STOPS
STL
Lambert-St Louis
14 Feb - 14 Mar
$1365pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
American Airlines
   
2 STOPS
STL
Lambert-St Louis

Destination information for Sydney

Things to know before you go. Useful info for your trip from St Louis to Sydney
Today's exchange rate
$1.00 = $1.49
Average temperature for February in Sydney
32.0 °F
Avg rainfall for February in Sydney
5.3 ″

Airports servicing St. Louis

Airports servicing Sydney

Related info for your journey

Useful info, stats and facts about St Louis to Sydney flights.

Flight FAQs

From St Louis to Sydney

Can I find flights from St Louis to Sydney for under $1100 on Cheapflights?

Yes, there are multiple flights from St Louis to Sydney for under $1100. The cheapest flight booked recently is on Qantas Airways for just $1094, but on average you can expect to pay $1136.

Are there nonstop flights from St Louis to Sydney for under $1100 on Cheapflights?

There are no nonstop flights from St Louis to Sydney, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from St Louis to Sydney for under $1100?

There are currently just 3 open flights from St Louis to Sydney within the next 7 days for less than $1100.

Does it rain more in St Louis or Sydney?

The rainfall in St Louis is generally more than the rainfall in Sydney. This will continue over the next 13 days.

Is St Louis weather warmer or cooler than Sydney?

Expect the weather to be around 90 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Sydney is generally colder than in St Louis.