Prices are in Australian Dollars.

Cheap Flights to St Louis

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Home North America USA Missouri Cheap flights to St Louis, Missouri

Flights to St Louis in 2021

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inDecemberHigh demand for flights, 11% potential price rise
Cheapest inMayBest time to find cheap flights, 4% potential price drop
Average price$952Average for round-trip flights in May 2021
Round-trip from$2,507From Sydney to St. Louis

Cheapest prices for St Louis flights by month

The cheapest ticket to St Louis found for each month in 2021 based on historical flight searches by Cheapflights users.
January
$1,531
February
$1,151
March
$1,073
April
$1,289
May
$1,126
June
$1,352
July
$1,157
August
$1,068
September
$1,109
October
$1,244
November
$1,177
December
$1,539
Currently, August is the cheapest month in which you can book a flight to St Louis. Flying to St Louis in December will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the best time to fly to St Louis?

Average Lambert-St Louis flight ticket prices and weather conditions for 2021 and 2022 by month.
SYD - STL
Price
$1,068 - $2,366
STL
Temperature
7 - 32 °C
STL
Rainfall
57 - 130 mm
Whilst there are several times of the year to choose from, July is seen as the time to fly to St Louis, however, it is possible to get good deals throughout the year. July sees the temperatures in St Louis peak to their warmest. May tends, on average, to see the most amount of rainfall.

Which day is cheapest to fly to St Louis?

At the moment, Wednesday is the most economical day to take a flight to St Louis. Sunday is likely to be the most costly.

What time of day is cheapest to fly to St Louis?

Flights in the afternoon are typically the cheapest time of the day to fly to St Louis. Flights in the morning are usually the most expensive.

Cheap flights to St. Louis in May, June 2021

The best prices found for STL flights for May, June
15 Jun - 22 Jun
$2,665pp
SYD
Sydney Kingsford Smith
United Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
15 Jun - 22 Jun
$3,412pp
SYD
Sydney Kingsford Smith
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
SYD
Sydney Kingsford Smith
15 Jun - 22 Jun
$3,415pp
SYD
Sydney Kingsford Smith
American Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
SYD
Sydney Kingsford Smith

St. Louis 2021 flight deals

Cheap flights to St. Louis found for this year
13 Nov - 16 Nov
$2,491pp
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
$2,497pp
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
$2,503pp
SYD
Sydney Kingsford Smith
Qantas Airways
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Qantas Airways
 
1 STOP
SYD
Sydney Kingsford Smith

Alternative, similarly priced destinations

See alternative destinations where airfare is generally forecast to be close to St Louis flight prices.

Find the best prices for you!

Cheap tickets to St Louis found by our users in Australia as recently as May 10, 2021.
Other local departures to St Louis, Missouri from Australia

St Louis, Missouri airports

See all airports in St Louis, select one to find and compare flight prices.

Cheapest flights to USA

Not set on St Louis? See the cheapest flights to Australia. Airfare prices updated on May 10, 2021.
Home North America USA Missouri Cheap flights to St Louis, Missouri
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