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Cheap Flights to St Louis
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Economy
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 in | December | High demand for flights, 11% potential price rise |
| Cheapest in | May | Best time to find cheap flights, 4% potential price drop |
| Average price | $952 | Average for round-trip flights in May 2021 |
| Round-trip from | $2,507 | From 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.
Sydney to St Louis flights
from $2,507 pp
Brisbane to St Louis flights
from $2,739 pp
Melbourne to St Louis flights
from $3,812 pp
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.
Sydney to Honolulu flights
from $1,040 pp
Melbourne to Los Angeles flights
from $1,044 pp
Brisbane to Honolulu flights
from $1,070 pp
Sydney to Los Angeles flights
from $1,117 pp
Melbourne to San Francisco flights
from $1,117 pp
Melbourne to Honolulu flights
from $1,146 pp
Brisbane to Los Angeles flights
from $1,154 pp
Brisbane to San Francisco flights
from $1,154 pp
Sydney to Kahului flights
from $1,207 pp
Sydney to Hilo flights
from $1,207 pp
Sydney to Phoenix flights
from $1,218 pp
Sydney to Lihue flights
from $1,228 pp
Melbourne to Kahului flights
from $1,283 pp
Perth to Los Angeles flights
from $1,298 pp
Gold Coast to Honolulu flights
from $1,303 pp
Adelaide to Honolulu flights
from $1,346 pp