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Cheap flights to St. Louis from $2,426

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to St. Louis departing on 2/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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Wed 1/5
Wed 8/5

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St. Louis flight deals found on momondo

Check out some of the best fares from airports in Australia to St. Louis found recently by users on momondo
Japan Airlines
2 May
SYD08:15Sydney Kingsford Smith
29h 39m
2 stops
STL22:54Lambert-St Louis
6 May
STL18:02Lambert-St Louis
45h 08m
2 stops
SYD06:10Sydney Kingsford Smith
Japan Airlines
2 May
SYD08:15Sydney Kingsford Smith
29h 39m
2 stops
STL22:54Lambert-St Louis
6 May
STL18:02Lambert-St Louis
45h 08m
2 stops
SYD06:10Sydney Kingsford Smith
American Airlines
9 Aug
MEL13:00Melbourne
24h 24m
1 stop
STL22:24Lambert-St Louis
24 Aug
STL17:30Lambert-St Louis
44h 55m
2 stops
MEL05:25Melbourne
American Airlines
15 May
MEL21:15Melbourne
35h 07m
2 stops
STL17:22Lambert-St Louis
19 May
STL11:09Lambert-St Louis
27h 16m
1 stop
MEL05:25Melbourne
American Airlines
9 Aug
MEL11:55Melbourne
24h 12m
2 stops
STL21:07Lambert-St Louis
24 Aug
STL16:20Lambert-St Louis
47h 25m
2 stops
MEL06:45Melbourne
American Airlines
15 May
MEL21:15Melbourne
35h 07m
2 stops
STL17:22Lambert-St Louis
19 May
STL13:01Lambert-St Louis
25h 24m
1 stop
MEL05:25Melbourne

Find the cheapest one-way flights to St. Louis

If you're looking for one-way flights from Australia to St. Louis, view some of our deals below provided by American Airlines, Singapore Airlines and United Airlines
Multiple Airlines
19 Oct
MEL08:20Melbourne
40h 48m
2 stops
STL09:08Lambert-St Louis
Singapore Airlines
18 Oct
MEL00:35Melbourne
39h 06m
2 stops
STL23:41Lambert-St Louis
American Airlines
18 Oct
MEL13:00Melbourne
25h 24m
1 stop
STL22:24Lambert-St Louis

St. Louis flights insights and trends

Explore insights for your St. Louis flight to craft the best travel plan

What is the cheapest month to fly to St. Louis?

The month of September is, on average, the cheapest month to fly to St. Louis from Australia, with most prices found around $2,327. If you aren’t able to travel to St. Louis during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $2,447.

What is the cheapest day to depart on your flight to St. Louis?

According to our data, Wednesday is the cheapest day to fly to St. Louis from Australia. The lowest ticket price found for a Wednesday departure recently was $2,236. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Australia to St. Louis on a Thursday will generally be more expensive and average around $2,839. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Australia at midday is the least expensive time of day to depart. momondo users have found prices as low as $2,277 when looking at flights departing at midday. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $2,485 per ticket.

How long does it take to fly to St. Louis?

The flight from Australia to St. Louis depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Sydney Kingsford Smith (a popular airport in Australia) to Lambert-St Louis (the most popular airport in St. Louis), then the flight time is 29h 39m on average. If you fly from Melbourne (another popular airport in Australia) to Lambert-St Louis, then the average flight time is 24h 17m.

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

You are more likely to see cheaper flights to St. Louis from Australia when booking 25 days ahead of your departure date. In general, you can expect to find flights to St. Louis for around $2,928 when searching 25 days out. In the past 72 hours, momondo users found flights from Australia to St. Louis for as low as $1,730.

Cheapest flights to St. Louis airports

Find the cheapest flights to these St. Louis airports from your nearest city or airport
Sydney
St. Louis

CHEAPEST ROUTE FROM Sydney TO St. Louis

Sydney (SYD) to St. Louis (STL)

Typically, flights to St. Louis from Sydney are cheaper when flying from Sydney Kingsford Smith to Lambert-St Louis, which has an average price of $2,928

CHEAPEST MONTH TO FLY TO ST. LOUIS FROM SYDNEYSeptember21% cheaperFlying from Sydney to St. Louis costs on average just $2,327 in September
MOST EXPENSIVE MONTH TO FLY TO ST. LOUIS FROM SYDNEYDecember64% more expensiveIt costs about $4,825 for flights to St. Louis from Sydney in December
MOST POPULAR MONTH TO FLY TO ST. LOUIS FROM SYDNEYJuly345% more users visitedMore momondo users searched in flights to St. Louis from Sydney in July than any other month

Cheap St. Louis flight deals and tips

Summary info about St. Louis flight prices, duration and airlines

Best One-Way Price

$1,603

Best Round-Trip Price

$2,426

Fastest flight time

21h 13m

Operated By

8 airlines
The best one-way flight price to St. Louis from Australia in the last 72 hours is $1,603 (Melbourne to Lambert-St Louis).
The best round-trip flight price to St. Louis from Australia in the last 72 hours is $2,426 (Sydney Kingsford Smith to Lambert-St Louis).
The fastest flight to St. Louis from Australia takes 21h 13m (Melbourne to Lambert-St Louis).
There are 8 airlines operating flights to St. Louis, including American Airlines, United Airlines and Air Canada.

Frequently asked questions about flying to St. Louis

When did momondo last update prices for flights to Lambert-St Louis Airport?

Prices for flights to Lambert-St Louis Airport were last updated today.

How many operators does momondo search for flights to Lambert-St Louis Airport?

How old do you have to be to fly to Lambert-St Louis Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal to St. Louis?

Finding the right flight to St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights to St. Louis with flexible booking policies on momondo?

Flights to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to St. Louis?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to St. Louis.

I’m not ready to book a flight to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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1 adult
From?
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Wed 1/5
Wed 8/5
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