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Cheap flights from St. Louis to Australia from $918

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 8/14. 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
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Tue 6/11

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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
United Airlines
Aug 14
STL9:08 amLambert-St Louis
30h 47m
2 stops
SYD6:55 amSydney Kingsford Smith
Sep 3
SYD10:20 amSydney Kingsford Smith
21h 43m
1 stop
STL5:03 pmLambert-St Louis
Air Canada
Aug 14
STL12:00 pmLambert-St Louis
52h 20m
3 stops
SYD7:20 amSydney Kingsford Smith
Sep 3
SYD9:20 amSydney Kingsford Smith
45h 00m
2 stops
STL3:20 pmLambert-St Louis
Qantas Airways
Jun 27
STL6:29 amLambert-St Louis
34h 41m
1 stop
SYD8:10 amSydney Kingsford Smith
Jul 4
SYD5:35 pmSydney Kingsford Smith
20h 23m
1 stop
STL10:58 pmLambert-St Louis
Delta
Aug 12
STL2:35 pmLambert-St Louis
25h 00m
2 stops
SYD6:35 amSydney Kingsford Smith
Aug 17
SYD9:25 amSydney Kingsford Smith
27h 03m
2 stops
STL9:28 pmLambert-St Louis
Multiple Airlines
Oct 20
STL10:10 amLambert-St Louis
36h 00m
3 stops
AVV2:10 pmMelbourne Avalon
Nov 2
AVV8:55 pmMelbourne Avalon
53h 58m
3 stops
STL10:53 amLambert-St Louis
American Airlines
Jun 27
STL6:29 amLambert-St Louis
33h 36m
1 stop
SYD7:05 amSydney Kingsford Smith
Jul 4
SYD9:15 amSydney Kingsford Smith
39h 33m
2 stops
STL9:48 amLambert-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 Air New Zealand and Qantas Airways
Multiple Airlines
Aug 14
STL11:36 amLambert-St Louis
33h 09m
3 stops
SYD11:45 amSydney Kingsford Smith
Air New Zealand
Aug 14
STL11:10 amLambert-St Louis
32h 25m
2 stops
SYD10:35 amSydney Kingsford Smith
Qantas Airways
Aug 14
STL4:18 pmLambert-St Louis
22h 57m
1 stop
SYD6:15 amSydney Kingsford Smith

United Airlines flights from St. Louis to Australia

Our best United Airlines deals on St. Louis to Australia flight tickets
United Airlines
Aug 14
STL9:08 amLambert-St Louis
30h 47m
2 stops
SYD6:55 amSydney Kingsford Smith
Sep 3
SYD10:20 amSydney Kingsford Smith
21h 43m
1 stop
STL5:03 pmLambert-St Louis
United Airlines
Jul 6
STL4:36 pmLambert-St Louis
47h 24m
2 stops
SYD7:00 amSydney Kingsford Smith
Jul 27
SYD10:20 amSydney Kingsford Smith
24h 17m
2 stops
STL7:37 pmLambert-St Louis
United Airlines
Aug 16
STL6:08 amLambert-St Louis
33h 52m
2 stops
SYD7:00 amSydney Kingsford Smith
Aug 23
SYD10:20 amSydney Kingsford Smith
29h 07m
1 stop
STL12:27 amLambert-St Louis

Air Canada flights from St. Louis to Australia

Our best Air Canada deals on St. Louis to Australia flight tickets
Air Canada
Aug 14
STL12:00 pmLambert-St Louis
52h 20m
3 stops
SYD7:20 amSydney Kingsford Smith
Sep 3
SYD9:20 amSydney Kingsford Smith
45h 00m
2 stops
STL3:20 pmLambert-St Louis
Air Canada
Aug 16
STL12:00 pmLambert-St Louis
52h 20m
3 stops
SYD7:20 amSydney Kingsford Smith
Aug 23
SYD9:20 amSydney Kingsford Smith
45h 01m
2 stops
STL3:21 pmLambert-St Louis
Air Canada
Aug 23
STL12:00 pmLambert-St Louis
28h 20m
2 stops
SYD7:20 amSydney Kingsford Smith
Aug 28
SYD9:20 amSydney Kingsford Smith
50h 45m
2 stops
STL9:05 pmLambert-St Louis

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 - Sydney Kingsford Smith. Fly from Lambert-St Louis to Sydney Kingsford Smith for the best St. Louis - Australia flight prices

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

$918

Fastest flight time

20h 58m

Direct flights

None

Airports in Australia

6 airports
The best one-way flight to Australia from St. Louis in the past 72 hours is $918. The best round-trip flight deal from St. Louis to Australia found on momondo in the last 72 hours is $1,330.
The fastest flight from St. Louis to Australia takes 20h 58m
There are no direct flights from St. Louis to Australia. Popular non-direct routes for this connection are Lambert-St Louis Airport - Sydney Kingsford Smith Airport, Lambert-St Louis Airport - Melbourne Airport and Lambert-St Louis Airport - Melbourne Avalon Airport.
There are 6 airports near Australia: Melbourne Avalon (AVV), Canberra (CBR), Melbourne (MEL), Hobart (HBA), Cairns (CNS), 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 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.


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 $924Free CancellationRating
7.4
10,777 reviews
Search United Airlines flights
DeltaPriceFrom $1,013Free CancellationRating
8.0
10,457 reviews
Search Delta flights
Air CanadaPriceFrom $1,127Free CancellationRating
7.0
7,004 reviews
Search Air Canada flights
American AirlinesPriceFrom $1,205Free CancellationRating
7.3
14,284 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,257Free CancellationRating
7.6
945 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,422Free CancellationRating
8.2
610 reviews
Search Air New Zealand flights

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.


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