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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 February or April, booked 54 days in advance, depart on a Monday or Tuesday and return on a Monday

How to find the cheapest flight from
St Louis (STL) to Sydney (SYD)

STL - SYD
Price
$989 - $1810
SYD
Temperature
32 - 75.2 °F
SYD
Rainfall
3.3 - 6.3 inches
Popular in December High demand for flights, 34% potential price rise
Cheapest in February Best time to find cheap flights, 17% potential price drop
Average price $1121 Average for round-trip flights in July 2020
Round-trip from $989 From St Louis to Sydney
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from St Louis to Sydney?

Sunday is generally a great day to depart. Flying on this day could help you save up to 25%.

How far in advance should I book a flight from St Louis to Sydney?

To save on the cost of your flight from St Louis to Sydney, book at least 46 days before your planned departure. Booking around this time can save you about 16% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $972 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1089.

What is the cheapest month to fly from St Louis to Sydney?

Flights from St Louis to Sydney lean towards being more expensive in December. Prices are generally better when you fly from St Louis to Sydney in March, with the cheapest ticket starting at $734.

Cheap flights from St Louis to Sydney in July, August 2020

The best prices found for STL to SYD flights for July, August
30 Jul - 7 Aug
$1398pp
STL
Lambert-St Louis
Lufthansa
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Lufthansa
 
1 STOP
STL
Lambert-St Louis
30 Jul - 7 Aug
$1602pp
STL
Lambert-St Louis
Air New Zealand
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Air New Zealand
   
2 STOPS
STL
Lambert-St Louis
25 Jul - 29 Jul
$2003pp
STL
Lambert-St Louis
Delta
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Delta
   
2 STOPS
STL
Lambert-St Louis

St Louis to Sydney 2020 flight deals

Cheap flights to Sydney from St Louis found for this year
20 Oct - 27 Oct
$1072pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
20 Oct - 2 Nov
$1096pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
2 Nov - 16 Nov
$1107pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Sydney from St Louis

The cheapest one-way flights from St Louis to Sydney
2:22 am - 2:10 am
Multiple Airlines
2 Stops
32h 48m
STL - SYD
Multiple Airlines
4:01 am - 2:35 am
Virgin Australia
2 Stops
31h 34m
STL - SYD
Virgin Australia
$1070
Ovago
2:03 am - 2:10 am
Japan Airlines
2 Stops
33h 07m
STL - SYD
Japan Airlines
$1077
Ovago

Related info for your journey

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

Flight FAQs

From St Louis to Sydney

Are flight prices decreasing from St Louis to Sydney due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Sydney for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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 Multiple Airlines for just $1072, but on average you can expect to pay $1161.

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.

Does it rain more in St Louis or Sydney?

The rainfall in St Louis is generally less 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.

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 = $1.45
Average temperature for July in Sydney
75.2 °F
Avg rainfall for July in Sydney
3.5 ″

Airports servicing St. Louis

Airports servicing Sydney