Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Australia from $960

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Australia departing on 18/3. 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

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, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise 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 St. Louis to Australia

Cheap return flights

These are some of the best return flight deals from St. Louis to Australia 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 St. Louis to Australia.

Cheap last-minute flights

Planning a quick getaway from St. Louis to Australia? 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 Australia, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from St. Louis to Australia

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

All round-trip flight deals to Australia

The cheapest plane tickets to Australia found on KAYAK recently.
17:37 - 18:00STL-MEL
32h 23m2 stops
06:15 - 19:25MEL-STL
29h 10m2 stops
$1,867
Find Deal
Tue, 11 Mar - Thu, 27 Mar
17:30 - 06:45STL-BNE
46h 15m2 stops
10:30 - 21:06BNE-STL
25h 36m2 stops
$1,885Delta
Find Deal
Tue, 18 Mar - Wed, 26 Mar
16:30 - 06:30STL-BNE
47h 00m2 stops
10:40 - 17:53BNE-STL
22h 13m1 stop
$1,890United Airlines
Find Deal
Tue, 18 Mar - Wed, 26 Mar
19:55 - 11:45STL-SYD
24h 50m2 stops
13:15 - 22:24SYD-STL
24h 09m2 stops
$1,927Fiji Airways
Find Deal
Tue, 13 May - Tue, 27 May
13:30 - 07:20STL-SYD
50h 50m3 stops
09:20 - 15:16SYD-STL
44h 56m2 stops
$1,976Air Canada
Find Deal
Tue, 13 May - Tue, 27 May
16:05 - 07:20STL-SYD
48h 15m2 stops
09:20 - 15:16SYD-STL
44h 56m2 stops
$2,049Air Canada
Find Deal
Fri, 16 May - Tue, 27 May
17:12 - 12:15STL-MEL
26h 03m2 stops
13:45 - 19:30MEL-STL
22h 45m2 stops
$2,111Fiji Airways
Find Deal
Tue, 4 Feb - Tue, 11 Feb
13:03 - 09:05STL-SYD
27h 02m2 stops
11:20 - 16:52SYD-STL
21h 32m1 stop
$2,259United Airlines
Find Deal
Sun, 2 Mar - Tue, 1 Apr
07:00 - 19:45STL-SYD
43h 45m2 stops
21:40 - 14:25SYD-STL
32h 45m2 stops
$2,377Alaska Airlines
Find Deal
Thu, 6 Mar - Sun, 9 Mar
14:49 - 19:45STL-SYD
35h 56m2 stops
21:40 - 14:25SYD-STL
33h 45m2 stops
$2,408Alaska Airlines
Find Deal
Fri, 7 Feb - Fri, 14 Feb
07:00 - 21:00STL-BNE
47h 00m3 stops
Tue, 18 Mar
17:37 - 21:50STL-SYD
35h 13m2 stops
$962Fiji Airways
Find Deal
Tue, 25 Feb
15:50 - 08:20STL-SYD
48h 30m2 stops
$1,148Air Canada
Find Deal
Tue, 1 Apr
13:30 - 07:20STL-SYD
50h 50m3 stops
$1,242Air Canada
Find Deal
Fri, 20 Jun
10:55 - 09:15STL-SYD
29h 20m2 stops
$1,297United Airlines
Find Deal
Wed, 12 Feb
06:10 - 09:35STL-PER
37h 25m2 stops
$1,388Cathay Pacific
Find Deal
Mon, 17 Feb
16:30 - 07:00STL-SYD
21h 30m1 stop
$1,401United Airlines
Find Deal
Fri, 28 Feb
17:37 - 06:55STL-SYD
21h 18m1 stop
$1,585Qantas Airways
Find Deal
Tue, 1 Apr
17:37 - 05:30STL-BNE
20h 53m1 stop
$1,867Qantas Airways
Find Deal
Tue, 18 Mar
13:00 - 23:35STL-BNE
43h 35m2 stops
$8,836Cathay Pacific
Find Deal
Fri, 20 Jun
17:29 - 12:45STL-MEL
26h 16m2 stops
13:45 - 23:27MEL-STL
26h 42m2 stops
$3,402Fiji Airways
Find Deal
Thu, 26 Dec - Tue, 31 Dec
17:59 - 06:20STL-SYD
43h 21m2 stops
12:10 - 12:16SYD-STL
41h 06m2 stops
$3,459United Airlines
Find Deal
Thu, 26 Dec - Tue, 7 Jan
17:29 - 12:30STL-SYD
26h 01m2 stops
17:25 - 23:27SYD-STL
23h 02m1 stop
$3,767
Find Deal
Sat, 28 Dec - Mon, 30 Dec
08:50 - 10:00STL-MEL
32h 10m1 stop
13:00 - 00:28MEL-STL
28h 28m1 stop
$3,830United Airlines
Find Deal
Thu, 26 Dec - Tue, 31 Dec
15:50 - 15:10STL-MEL
54h 20m3 stops
07:00 - 15:06MEL-STL
49h 06m3 stops
$4,001
Find Deal
Thu, 26 Dec - Tue, 31 Dec
15:50 - 09:35STL-SYD
48h 45m2 stops
08:45 - 23:27SYD-STL
31h 42m2 stops
$4,046
Find Deal
Sun, 29 Dec - Sun, 5 Jan
11:10 - 08:45STL-SYD
28h 35m2 stops
13:55 - 00:28SYD-STL
27h 33m2 stops
$4,142Air New Zealand
Find Deal
Sat, 28 Dec - Mon, 30 Dec
06:30 - 09:00STL-SYD
33h 30m1 stop
11:50 - 19:30SYD-STL
24h 40m1 stop
$4,772Qantas Airways
Find Deal
Sat, 28 Dec - Mon, 30 Dec
06:30 - 09:00STL-SYD
33h 30m1 stop
14:00 - 23:27SYD-STL
50h 27m2 stops
$5,067Qantas Airways
Find Deal
Fri, 27 Dec - Sun, 29 Dec
10:16 - 12:30STL-MEL
33h 14m2 stops
00:45 - 16:34MEL-STL
32h 49m2 stops
$5,631Cathay Pacific
Find Deal
Thu, 26 Dec - Mon, 30 Dec

Fiji Airways flights from St. Louis to Australia

Our best Fiji Airways deals on St. Louis to Australia flight tickets
Fiji Airways
13 May
STL19:55Lambert-St Louis
24h 50m
2 stops
SYD11:45Sydney Kingsford Smith
27 May
SYD13:15Sydney Kingsford Smith
24h 09m
2 stops
STL22:24Lambert-St Louis
Fiji Airways
4 Feb
STL17:12Lambert-St Louis
26h 03m
2 stops
MEL12:15Melbourne
11 Feb
MEL13:45Melbourne
22h 45m
2 stops
STL19:30Lambert-St Louis
Fiji Airways
15 Feb
STL17:37Lambert-St Louis
25h 38m
2 stops
MEL12:15Melbourne
15 Apr
MEL12:55Melbourne
24h 34m
2 stops
STL22:29Lambert-St Louis

Air Canada flights from St. Louis to Australia

Our best Air Canada deals on St. Louis to Australia flight tickets
Air Canada
13 May
STL13:30Lambert-St Louis
50h 50m
3 stops
SYD07:20Sydney Kingsford Smith
27 May
SYD09:20Sydney Kingsford Smith
44h 56m
2 stops
STL15:16Lambert-St Louis
Air Canada
16 May
STL16:05Lambert-St Louis
48h 15m
2 stops
SYD07:20Sydney Kingsford Smith
27 May
SYD09:20Sydney Kingsford Smith
44h 56m
2 stops
STL15:16Lambert-St Louis
Air Canada
7 Feb
STL15:50Lambert-St Louis
48h 45m
2 stops
SYD09:35Sydney Kingsford Smith
14 Feb
SYD11:20Sydney Kingsford Smith
44h 46m
2 stops
STL15:06Lambert-St Louis

See travel insights to Australia from

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

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 month to fly to Australia?

In general, March is the cheapest month to fly from St. Louis to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $2,055. If you don’t want to visit Australia in March, then you should wait until January to fly from St. Louis, when ticket prices are also cheap, with an average price of $2,130.

What is the cheapest day to depart on your flight to Australia?

On average, the least expensive day to fly to Australia from St. Louis is on a Monday. momondo users have found tickets for Monday departures for as low as $0. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from St. Louis to Australia on a Friday will generally be more expensive and average around $2,827. 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 Australia?

According to our data, the cheapest time of day to fly to Australia is at midday. momondo users have found flights departing from St. Louis to Australia at midday for as low as $0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the morning, with an average ticket price of $2,827. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Australia?

In general, most travellers find the cheapest time to book a flight to Australia is about 60 days prior to their departure date, when tickets on average are $2,409. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as $2,400.

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

You could potentially save up to 25% on your flight if you consider stops on a St. Louis to Australia flight.

Cheap St. Louis to Australia flight deals and tips

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

Best price found

$960

Fastest flight time

20h 00m

Direct flights

None

Airports in Australia

5 airports
The best one-way flight to Australia from St. Louis in the past 72 hours is $960. The best return flight deal from St. Louis to Australia found on momondo in the last 72 hours is $1,867.
The fastest flight from St. Louis to Australia takes 20h 00m
There are no direct flights from St. Louis to Australia. Popular non-direct routes for this connection are Lambert-St Louis Airport - Perth Airport, Lambert-St Louis Airport - Sydney Kingsford Smith Airport and Lambert-St Louis Airport - Brisbane Airport.
There are 5 airports near Australia: Melbourne (MEL), Hobart (HBA), Brisbane (BNE), Perth (PER), Sydney Kingsford Smith (SYD)

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

    Prices for flights from Lambert-St Louis Airport to Australia are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Australia.

  • What documentation or ID do you need to fly to Australia?

    The travel and health documents you'll need for your trip to Australia 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 licence and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Best airlines flying from St. Louis to Australia

Compare and see reviews for airlines that fly from St. Louis to Australia with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $2,000Free cancellationRating
7.4
9,007 reviews
Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Australia. momondo saves you time and could save you money on your trip.

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

All flight searches from St. Louis to Australia on momondo can be filtered to show those which offer flexible booking policies.

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

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 from St. Louis to Australia.

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

Price alerts on flights to Australia from 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.


An easier way to manage your Australia trip

We make it super easy to schedule, organise 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?
Mon 30/12
Mon 6/1
Email me momondo's favourite deals

Find better results for your trip to Australia