Prices are in Australian Dollars.

Cheap flights from Sydney to St Louis

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

All the information you need to plan the best SYD to STL flight in 2021: compare Sydney to St Louis flight prices with the expected peak season, weather and rainfall in St Louis.
SYD - STL
Price
$966 - $1,767
STL
Temperature
7 - 32 °C
STL
Rainfall
57 - 130 mm

Popular in

December

High demand for flights, 29% potential price rise

Cheapest in

May

Best time to find cheap flights, 23% potential price drop

Average price

$966

Average for round-trip flights in May 2021

Round-trip from

$966

From Sydney to St Louis

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 return from Sydney to St Louis?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 52%.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to St Louis. Flights to St Louis from Sydney in May are about $1,248 on average during May, but can be found for as low as $860.

When is the cheapest time to fly from Sydney to St Louis (SYD - STL)?

It’s typically best to fly out from Sydney to St Louis in the afternoon. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from Sydney to St Louis in May, June 2021

The best prices found for SYD to STL flights in May, June
19 Jun - 3 Jul
$2,584pp
SYD
Sydney Kingsford Smith
Multiple airlines
     
3 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
SYD
Sydney Kingsford Smith
19 Jun - 3 Jul
$2,700pp
SYD
Sydney Kingsford Smith
Multiple airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
SYD
Sydney Kingsford Smith
19 Jun - 3 Jul
$2,946pp
SYD
Sydney Kingsford Smith
Multiple airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith

Sydney to St Louis 2021 flight deals

Cheap flights to St Louis from Sydney found for this year
13 Nov - 16 Nov
$2,514pp
SYD
Sydney Kingsford Smith
Qantas Airways
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Qantas Airways
 
1 STOP
SYD
Sydney Kingsford Smith
13 Nov - 16 Nov
$2,519pp
SYD
Sydney Kingsford Smith
Qantas Airways
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Qantas Airways
   
2 STOPS
SYD
Sydney Kingsford Smith
13 Nov - 16 Nov
$2,521pp
SYD
Sydney Kingsford Smith
Qantas Airways
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Qantas Airways
 
1 STOP
SYD
Sydney Kingsford Smith

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Sydney</span> to <span class="emphasized">St Louis</span> flights.

Flight FAQs

From Sydney to St Louis

Can I find flights from Sydney to St Louis for under $2,585 on Cheapflights?

Yes, there are multiple flights from Sydney to St Louis for under $2,585. The cheapest flight booked recently is on Multiple Airlines for just $2,584, but on average you can expect to pay $3,245.

Which airlines flying from Sydney Kingsford Smith to Lambert-St Louis have flexible cancellations due to COVID-19?

American Airlines, United Airlines, and Qantas Airways are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Are there direct flights from Sydney to St Louis for under $2,585 on Cheapflights?

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

How popular is this flight route?

Flights from Sydney Kingsford Smith to Lambert-St Louis have been viewed 176 times in the past calendar month.

Does it rain more in Sydney or St Louis?

When travelling, we recommend packing in preparation to handle common weather conditions. The rainfall in Sydney is typically less than St Louis. We can gather that this will continue over the next 13 days.

Is Sydney weather warmer or cooler than St Louis?

With an average temperature of 32 °C, peak weather can be found in July. As a traveller, expect to see changes in flight prices during that period. The temperatures in St Louis are hotter than in Sydney.

How long does is the flight from Sydney to St Louis?

There are many flights that can get you from Sydney to St Louis in 20h 02m. Fly via American Airlines to get the fastest option.

What is the cheapest airline to fly from Sydney to St Louis return?

Our cheapest airline available from Sydney to St Louis is American Airlines. Our recent data shows that you can find tickets from as low as $4,189 on this airline.

Destination information for St Louis

Things to know before you go - useful duration and weather info for your trip from Sydney to St Louis.
Today's exchange rate
$1 = $0.78
Average temperature for May in St Louis
26.0 °C
Avg rainfall for May in St Louis
130.0 mm

Airports servicing Sydney

Airports servicing St. Louis

Top 4 airlines flying from Sydney to St Louis

The chart below displays the airlines Cheapflights users travelling from Sydney to St Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Air New Zealand
$774 $972 No cancel fee 78%
Search Air New Zealand flights
United Airlines
$773 $1,080 No cancel fee 69%
Search United Airlines flights
American Airlines
$868 $1,085 No cancel fee 71%
Search American Airlines flights
Qantas Airways
$833 $1,255 No cancel fee 74%
Search Qantas Airways flights
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