Insights
Latest deals
Reviews
FAQs

Cheap flights from St. Louis to Australia from $1,282

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 5/29. 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
From?
To?
mar. 4/2
mar. 4/9

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."

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

$1,282

Fastest flight time

20h 54m

Direct flights

None

Airports in Australia

4 airports
The best one-way flight to Australia from St. Louis in the past 72 hours is $1,282. The best round-trip flight deal from St. Louis to Australia found on momondo in the last 72 hours is $1,356.
The fastest flight from St. Louis to Australia takes 20h 54m
There are no direct flights from St. Louis to Australia. Popular non-direct routes for this connection are Lambert-St Louis Airport - Melbourne Airport, Lambert-St Louis Airport - Sydney Kingsford Smith Airport and Lambert-St Louis Airport - Melbourne Avalon Airport.
There are 4 airports near Australia: Melbourne Avalon (AVV), Melbourne (MEL), Brisbane (BNE), Sydney Kingsford Smith (SYD)

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 airline that flies to Australia from St. Louis?

Air Canada. Air Canada, Air New Zealand, and American Airlines are the most popular carriers operating from St. Louis to Australia

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

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

Easily compare round-trip flights from St. Louis to Australia

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Australia by changing tabs
Air New Zealand
Sep 8
STL6:20 amLambert-St Louis
37h 30m
2 stops
MEL10:50 amMelbourne
Sep 23
MEL8:45 amMelbourne
28h 28m
2 stops
STL10:13 pmLambert-St Louis
American Airlines
Apr 24
STL6:59 pmLambert-St Louis
21h 06m
1 stop
SYD7:05 amSydney Kingsford Smith
May 15
SYD9:15 amSydney Kingsford Smith
29h 02m
1 stop
STL11:17 pmLambert-St Louis
Air Canada
May 14
STL11:00 amLambert-St Louis
29h 20m
3 stops
SYD7:20 amSydney Kingsford Smith
May 21
SYD9:20 amSydney Kingsford Smith
26h 45m
2 stops
STL9:05 pmLambert-St Louis
Multiple Airlines
Aug 6
STL1:45 pmLambert-St Louis
28h 00m
3 stops
SYD8:45 amSydney Kingsford Smith
Aug 18
SYD9:55 amSydney Kingsford Smith
25h 36m
2 stops
STL8:31 pmLambert-St Louis
Qantas Airways
Aug 21
STL5:30 pmLambert-St Louis
22h 35m
1 stop
SYD7:05 amSydney Kingsford Smith
Sep 3
SYD9:10 amSydney Kingsford Smith
21h 30m
1 stop
STL3:40 pmLambert-St Louis
United Airlines
Aug 19
STL3:35 pmLambert-St Louis
24h 20m
2 stops
SYD6:55 amSydney Kingsford Smith
Sep 2
SYD10:20 amSydney Kingsford Smith
21h 16m
2 stops
STL4:36 pmLambert-St Louis

Find the cheapest one-way flights from St. Louis to Australia

If you're looking for one-way flights from St. Louis to Australia, view some of our deals below provided by Japan Airlines and Qantas Airways
Japan Airlines
May 29
STL6:02 pmLambert-St Louis
44h 33m
2 stops
MEL5:35 amMelbourne
Qantas Airways
May 29
STL6:02 pmLambert-St Louis
37h 48m
2 stops
AVV10:50 pmMelbourne Avalon
Multiple Airlines
May 29
STL3:00 pmLambert-St Louis
27h 35m
3 stops
MEL9:35 amMelbourne

Search last-minute flights to Australia from St. Louis

Find and compare round-trip flight prices for your last-minute flight from St. Louis to Australia
Air New Zealand
Apr 7
STL6:19 amLambert-St Louis
35h 26m
2 stops
SYD8:45 amSydney Kingsford Smith
Apr 25
SYD11:50 amSydney Kingsford Smith
25h 24m
2 stops
STL10:14 pmLambert-St Louis
Qantas Airways
Apr 3
STL7:10 pmLambert-St Louis
20h 55m
1 stop
SYD8:05 amSydney Kingsford Smith
Apr 17
SYD5:35 pmSydney Kingsford Smith
20h 19m
1 stop
STL10:54 pmLambert-St Louis
Delta
Apr 3
STL6:27 amLambert-St Louis
33h 08m
2 stops
SYD7:35 amSydney Kingsford Smith
Apr 17
SYD9:25 amSydney Kingsford Smith
23h 43m
2 stops
STL6:08 pmLambert-St Louis
American Airlines
Apr 7
STL6:59 pmLambert-St Louis
21h 06m
1 stop
SYD7:05 amSydney Kingsford Smith
Apr 25
SYD9:15 amSydney Kingsford Smith
28h 39m
1 stop
STL10:54 pmLambert-St Louis
Multiple Airlines
Apr 7
STL4:52 pmLambert-St Louis
24h 53m
2 stops
SYD8:45 amSydney Kingsford Smith
Apr 25
SYD8:45 amSydney Kingsford Smith
28h 07m
3 stops
STL9:52 pmLambert-St Louis
Cathay Pacific
Apr 6
STL12:03 pmLambert-St Louis
29h 42m
2 stops
SYD8:45 amSydney Kingsford Smith
Apr 13
SYD9:50 pmSydney Kingsford Smith
64h 04m
2 stops
STL10:54 pmLambert-St Louis

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 $927Free CancellationRating
7.4
11,481 reviews
Search United Airlines flights
DeltaPriceFrom $1,013Free CancellationRating
8.0
11,402 reviews
Search Delta flights
Air CanadaPriceFrom $1,183Free CancellationRating
7.0
6,743 reviews
Search Air Canada flights
American AirlinesPriceFrom $1,214Free CancellationRating
7.3
15,181 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,257Free CancellationRating
7.7
1,060 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,422Free CancellationRating
8.2
685 reviews
Search Air New Zealand flights

American Airlines flights from St. Louis to Australia

Our best American Airlines deals on St. Louis to Australia flight tickets
American Airlines
Apr 24
STL6:59 pmLambert-St Louis
21h 06m
1 stop
SYD7:05 amSydney Kingsford Smith
May 15
SYD9:15 amSydney Kingsford Smith
29h 02m
1 stop
STL11:17 pmLambert-St Louis
American Airlines
Apr 24
STL1:11 pmLambert-St Louis
26h 54m
2 stops
SYD7:05 amSydney Kingsford Smith
May 15
SYD9:15 amSydney Kingsford Smith
25h 15m
2 stops
STL7:30 pmLambert-St Louis
American Airlines
Apr 29
STL1:11 pmLambert-St Louis
26h 54m
2 stops
SYD7:05 amSydney Kingsford Smith
May 8
SYD9:15 amSydney Kingsford Smith
25h 15m
2 stops
STL7:30 pmLambert-St Louis

Air Canada flights from St. Louis to Australia

Our best Air Canada deals on St. Louis to Australia flight tickets
Air Canada
May 14
STL11:00 amLambert-St Louis
29h 20m
3 stops
SYD7:20 amSydney Kingsford Smith
May 21
SYD9:20 amSydney Kingsford Smith
26h 45m
2 stops
STL9:05 pmLambert-St Louis
Air Canada
Apr 27
STL5:00 pmLambert-St Louis
47h 00m
2 stops
BNE7:00 amBrisbane
May 4
BNE10:00 amBrisbane
50h 05m
2 stops
STL9:05 pmLambert-St Louis
Air Canada
Apr 23
STL5:00 pmLambert-St Louis
47h 20m
2 stops
SYD7:20 amSydney Kingsford Smith
May 15
SYD9:20 amSydney Kingsford Smith
50h 45m
3 stops
STL9:05 pmLambert-St Louis

  • 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 refresh daily.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Australia.

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

    The travel and health documents required for your trip to Australia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Alternative routes for St. Louis to Australia

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Kansas City to Sydney Flights
Fastest flight time24h 35m
Cheapest price$1,455
St. Louis to Sydney Flights
Fastest flight time22h 03m
Cheapest price$1,435
Kansas City to Melbourne Flights
Fastest flight time27h 20m
Cheapest price$1,316
Kansas City to Brisbane Flights
Fastest flight time25h 30m
Cheapest price$1,852
St. Louis to Melbourne Flights
Fastest flight time24h 55m
Cheapest price$1,361
Columbia, Missouri to Sydney Flights
Fastest flight time20h 10m
Cheapest price$3,315
Kansas City to Perth Flights
Fastest flight time32h 48m
Cheapest price$1,869
St. Louis to Brisbane Flights
Fastest flight time24h 27m
Cheapest price$1,556
Springfield to Brisbane Flights
Fastest flight time25h 54m
Cheapest price$3,050
Kansas City to Canberra Flights
Fastest flight time29h 40m
Cheapest price$1,671
Kansas City to Adelaide Flights
Fastest flight time38h 10m
Cheapest price$2,191
St. Louis to Hobart Flights
Fastest flight time33h 48m
Cheapest price$2,962

Similar St. Louis to Australia flights

Flexible with your destination? Broaden your search and find flights similar to your St. Louis to Australia route

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Australia from St. Louis.

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?

Once you have performed a search for St. Louis to Australia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from St. Louis to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.


An easier way to manage your Australia 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.

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? Create a price alert to track prices.

Find better results for your stay in Australia

Popular cities in Australia
Popular flights according to clicks in the last 7 days on momondo


Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mar. 4/2
mar. 4/9
Email me momondo's favorite deals