Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Australia to St. Louis from $754

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to St. Louis departing on 3/5. 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
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Australia to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Australia to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Australia to St. Louis.

Cheap last minute flights

Planning a quick getaway from Australia to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals to St. Louis

Find recent round-trip train or bus tickets from Australia to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
10:20 am - 3:06 pmSYD-STL
44h 46m2 stops
3:50 pm - 7:20 amSTL-SYD
48h 30m2 stops
$1,225Air Canada
Find Deal
Fri, Apr 4 - Fri, Apr 18
10:30 am - 10:27 amSYD-STL
39h 57m2 stops
6:00 pm - 7:00 amSTL-SYD
22h 00m1 stop
$1,376United Airlines
Find Deal
Fri, Apr 4 - Fri, Apr 18
1:00 pm - 9:56 amMEL-STL
37h 56m2 stops
6:25 am - 10:00 amSTL-MEL
34h 35m2 stops
$1,442United Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
11:30 am - 8:41 pmMEL-STL
26h 11m2 stops
4:43 pm - 9:30 amSTL-MEL
47h 47m2 stops
$1,457United Airlines
Find Deal
Thu, Dec 5 - Sun, Dec 29
10:10 am - 10:54 pmSYD-STL
28h 44m1 stop
7:51 pm - 6:55 amSTL-SYD
20h 04m1 stop
$1,953Qantas Airways
Find Deal
Fri, Apr 4 - Fri, Apr 18
12:00 pm - 11:27 pmMEL-STL
28h 27m1 stop
6:30 am - 7:35 amSTL-MEL
32h 05m1 stop
$2,032American Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
8:45 am - 8:21 pmSYD-STL
27h 36m2 stops
1:27 pm - 10:35 amSTL-SYD
30h 08m3 stops
$2,043
Find Deal
Fri, Apr 4 - Fri, Apr 18
1:00 pm - 10:33 pmMEL-STL
26h 33m3 stops
5:29 pm - 11:05 amSTL-MEL
24h 36m2 stops
$2,301
Find Deal
Thu, Dec 5 - Sun, Dec 29
3:25 am - 7:51 pmMEL-STL
57h 26m3 stops
3:10 pm - 8:35 pmSTL-MEL
36h 25m3 stops
$4,598Emirates
Find Deal
Wed, Dec 4 - Sun, Dec 29
10:30 pm - 7:57 pmMEL-STL
38h 27m2 stops
3:10 pm - 8:35 pmSTL-MEL
36h 25m3 stops
$4,695Emirates
Find Deal
Thu, Dec 19 - Thu, Dec 26
11:20 am - 3:06 pmSYD-STL
44h 46m2 stops
$754Air Canada
Find Deal
Wed, Mar 5
9:40 pm - 11:25 pmSYD-STL
42h 45m3 stops
Fri, Nov 15
12:10 pm - 4:56 pmSYD-STL
21h 46m1 stop
$1,056Air New Zealand
Find Deal
Fri, Nov 15
11:50 am - 3:07 pmSYD-STL
20h 17m1 stop
$1,127
Find Deal
Wed, Mar 5
11:15 am - 8:15 pmSYD-STL
26h 00m2 stops
$1,167
Find Deal
Fri, Nov 15
8:30 am - 7:29 pmSYD-STL
27h 59m3 stops
$1,296
Find Deal
Wed, Mar 5

United Airlines flights from Australia to St. Louis

Our best United Airlines deals on Australia to St. Louis flight tickets
United Airlines
Apr 4
SYD10:30 amSydney Kingsford Smith
39h 57m
2 stops
STL10:27 amLambert-St Louis
Apr 18
STL6:00 pmLambert-St Louis
22h 00m
1 stop
SYD7:00 amSydney Kingsford Smith
United Airlines
Dec 23
MEL1:00 pmMelbourne
37h 56m
2 stops
STL9:56 amLambert-St Louis
Dec 30
STL6:25 amLambert-St Louis
34h 35m
2 stops
MEL10:00 amMelbourne
United Airlines
Dec 5
MEL11:30 amMelbourne
26h 11m
2 stops
STL8:41 pmLambert-St Louis
Dec 29
STL4:43 pmLambert-St Louis
47h 47m
2 stops
MEL9:30 amMelbourne

Air Canada flights from Australia to St. Louis

Our best Air Canada deals on Australia to St. Louis flight tickets
Air Canada
Apr 4
SYD10:20 amSydney Kingsford Smith
44h 46m
2 stops
STL3:06 pmLambert-St Louis
Apr 18
STL3:50 pmLambert-St Louis
48h 30m
2 stops
SYD7:20 amSydney Kingsford Smith
Air Canada
Dec 5
MEL7:45 amMelbourne
48h 21m
3 stops
STL3:06 pmLambert-St Louis
Dec 29
STL3:50 pmLambert-St Louis
74h 15m
3 stops
MEL11:05 amMelbourne

How to get the cheapest flight ticket from Australia to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies to St. Louis from Australia?

American Airlines. American Airlines is the most popular carrier operating from Australia to St. Louis

What is the cheapest Australia to St. Louis flight route?

Melbourne - Lambert-St Louis. Fly from Melbourne to Lambert-St Louis for the best Australia - St. Louis flight prices

Can stopping save me money on Australia to St. Louis flights?

You could potentially save up to 28% on your flight if you consider stops on a Australia to St. Louis flight.

Cheap Australia to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to St. Louis

Best Price Found

$754

Fastest flight time

20h 17m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Australia in the past 72 hours is $754. The best round-trip flight deal from Australia to St. Louis found on momondo in the last 72 hours is $1,225.
The fastest flight from Australia to St. Louis takes 20h 17m
There are no direct flights from Australia to St. Louis. Popular non-direct routes for this connection are Sydney Kingsford Smith Airport - Lambert-St Louis Airport and Melbourne Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    Prices for flights from Australia to Lambert-St Louis Airport are updated daily.

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

  • How old do you have to be to fly from Australia 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Lambert-St Louis Airport.

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

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Best airlines flying from Australia to St. Louis

Compare and see reviews for airlines that fly from Australia to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $1,050Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

It is quick and easy to find Australia to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Australia with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Australia.

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

Price alerts on flights to St. Louis from Australia 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.


An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sat 11/9
Sat 11/16
Email me momondo's favorite deals

Find better results for your trip to the United States