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Cheap flights from St. Louis to Melbourne from $889

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 Melbourne departing on 14/10. 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
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Melbourne

Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
19:10 - 05:00
STL
-
MEL
41h 50m
1 stop
Qantas Airways Logo
12:00 - 17:54
MEL
-
STL
22h 54m
1 stop
$1,585Qantas Airways
Tue, 20 Oct - Tue, 3 Nov
Qantas Airways Logo
19:10 - 05:00
STL
-
MEL
41h 50m
1 stop
Qantas Airways Logo
12:00 - 17:54
MEL
-
STL
22h 54m
1 stop
$1,587Qantas Airways
Tue, 20 Oct - Tue, 3 Nov
Qantas Airways Logo
19:10 - 05:00
STL
-
MEL
41h 50m
1 stop
Qantas Airways Logo
12:00 - 17:54
MEL
-
STL
22h 54m
1 stop
$1,588Qantas Airways
Tue, 20 Oct - Tue, 3 Nov
Qantas Airways Logo
05:40 - 05:00
STL
-
MEL
31h 20m
1 stop
Qantas Airways Logo
22:45 - 23:45
MEL
-
STL
42h 00m
1 stop
$1,590Qantas Airways
Tue, 27 Oct - Wed, 11 Nov
Qantas Airways Logo
05:40 - 05:00
STL
-
MEL
31h 20m
1 stop
Qantas Airways Logo
22:45 - 23:45
MEL
-
STL
42h 00m
1 stop
$1,591Qantas Airways
Tue, 27 Oct - Wed, 11 Nov
Qantas Airways Logo
06:30 - 06:45
STL
-
MEL
33h 15m
1 stop
Qantas Airways Logo
09:45 - 23:30
MEL
-
STL
28h 45m
1 stop
$1,602Qantas Airways
Tue, 22 Sep - Tue, 29 Sep
American Airlines Logo
12:47 - 09:30
STL
-
MEL
28h 43m
2 stops
American Airlines Logo
22:45 - 08:07
MEL
-
STL
26h 22m
2 stops
$1,605American Airlines
Tue, 27 Oct - Wed, 11 Nov
United Airlines Logo
06:15 - 09:15
STL
-
MEL
35h 00m
2 stops
United Airlines Logo
12:45 - 19:03
MEL
-
STL
22h 18m
1 stop
$1,637United Airlines
Sun, 11 Oct - Sun, 1 Nov
Air Canada Logo
14:40 - 13:05
STL
-
MEL
30h 25m
3 stops
Air Canada Logo
08:00 - 15:26
MEL
-
STL
48h 26m
3 stops
$1,640Air Canada
Tue, 20 Oct - Tue, 3 Nov
United Airlines Logo
07:08 - 09:15
STL
-
MEL
34h 07m
1 stop
United Airlines Logo
12:45 - 18:03
MEL
-
STL
22h 18m
1 stop
$1,644United Airlines
Sun, 11 Oct - Tue, 3 Nov

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United Airlines flights from St. Louis to Melbourne

Our best United Airlines deals on St. Louis to Melbourne flight tickets
United Airlines
11 Oct
STL06:15Lambert-St Louis
35h 00m
2 stops
MEL09:15Melbourne
1 Nov
MEL12:45Melbourne
22h 18m
1 stop
STL19:03Lambert-St Louis
$1,637
United Airlines
11 Oct
STL07:08Lambert-St Louis
34h 07m
1 stop
MEL09:15Melbourne
3 Nov
MEL12:45Melbourne
22h 18m
1 stop
STL18:03Lambert-St Louis
$1,644
United Airlines
10 Oct
STL16:49Lambert-St Louis
24h 26m
2 stops
MEL09:15Melbourne
3 Nov
MEL12:45Melbourne
24h 49m
2 stops
STL20:34Lambert-St Louis
$1,708

Qantas Airways flights from St. Louis to Melbourne

Our best Qantas Airways deals on St. Louis to Melbourne flight tickets
Qantas Airways
20 Oct
STL19:10Lambert-St Louis
41h 50m
1 stop
MEL05:00Melbourne
3 Nov
MEL12:00Melbourne
22h 54m
1 stop
STL17:54Lambert-St Louis
$1,585
Qantas Airways
20 Oct
STL19:10Lambert-St Louis
41h 50m
1 stop
MEL05:00Melbourne
3 Nov
MEL12:00Melbourne
22h 54m
1 stop
STL17:54Lambert-St Louis
$1,587
Qantas Airways
20 Oct
STL19:10Lambert-St Louis
41h 50m
1 stop
MEL05:00Melbourne
3 Nov
MEL12:00Melbourne
22h 54m
1 stop
STL17:54Lambert-St Louis
$1,588

momondo Fare Finder

 
Customise your flight search to find flights from St. Louis to Melbourne that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 24 July 2026.
Use the filters below to find and compare flights from St. Louis to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 20/10

19:10-05:00

1 stop41h 50m

Melbourne

Tue 3/11

12:00-17:54

1 stop22h 54m

$1,585

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 20/10

19:10-05:00

1 stop41h 50m

Melbourne

Tue 3/11

12:00-17:54

1 stop22h 54m

$1,587

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 20/10

19:10-05:00

1 stop41h 50m

Melbourne

Tue 3/11

12:00-17:54

1 stop22h 54m

$1,588

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 27/10

05:40-05:00

1 stop31h 20m

Melbourne

Wed 11/11

22:45-23:45

1 stop42h 00m

$1,590

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 27/10

05:40-05:00

1 stop31h 20m

Melbourne

Wed 11/11

22:45-23:45

1 stop42h 00m

$1,591

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 22/9

06:30-06:45

1 stop33h 15m

Melbourne

Tue 29/9

09:45-23:30

1 stop28h 45m

$1,602
Fastest return journey

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 27/10

12:47-09:30

2 stops28h 43m

Melbourne

Wed 11/11

22:45-08:07

2 stops26h 22m

$1,605

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 11/10

06:15-09:15

2 stops35h 00m

Melbourne

Sun 1/11

12:45-19:03

1 stop22h 18m

$1,637

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 20/10

14:40-13:05

3 stops30h 25m

Melbourne

Tue 3/11

08:00-15:26

3 stops48h 26m

$1,640

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 11/10

07:08-09:15

1 stop34h 07m

Melbourne

Tue 3/11

12:45-18:03

1 stop22h 18m

$1,644

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Melbourne from

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

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 typical price of a round-trip flight between St. Louis and Melbourne?

Prices are currently low for flights on this route.

Typical prices usually range from $2,045 to $2,414.
The lowest price recently found on this route was $1,585.

What is the cheapest month to fly to Melbourne?

In general, April is the cheapest month to fly from St. Louis to Melbourne. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Melbourne during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,653.

Cheap St. Louis to Melbourne flight deals and tips

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

Fastest flight time

24h 30m

Direct flights

None
The fastest flight from St. Louis to Melbourne takes 24h 30m
There are no direct flights from St. Louis to Melbourne. There are no popular flight routes from St. Louis to Melbourne.
Search flight deals

Frequently asked questions about flying from St. Louis to Melbourne

  • How far is Lambert-St Louis to Melbourne by plane?

    Lambert-St Louis and Melbourne are 15259.6 km apart from one another. A reasonable flight in good conditions will take 24h 30m.

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

    Prices for flights from Lambert-St Louis Airport to Melbourne refresh daily.

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

    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 from Lambert-St Louis Airport to Melbourne.

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

    The required travel and health documents for your Melbourne trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Melbourne. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Melbourne for you.

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

Yes. momondo allows you to filter the results for St. Louis to Melbourne flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between St. Louis and Melbourne by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

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Find better results for your trip to Australia

Fly into one of these airports located in Melbourne

Airports listed have a maximum distance of 50.4 km from Melbourne
Melbourne Avalon Airport