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Cheap flights from St. Louis to Melbourne from $1,541

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Melbourne departing on 20/10. 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.
American Airlines Logo
12:43 - 06:45
STL
-
MEL
26h 02m
2 stops
American Airlines Logo
12:00 - 19:30
MEL
-
STL
24h 30m
1 stop
$1,541American Airlines
Tue, 20 Oct - Tue, 3 Nov
American Airlines Logo
06:30 - 06:45
STL
-
MEL
32h 15m
1 stop
American Airlines Logo
12:00 - 15:29
MEL
-
STL
20h 29m
1 stop
$1,547American Airlines
Tue, 20 Oct - Tue, 3 Nov
Multiple Airlines Logo
19:23 - 08:15
STL
-
MEL
21h 52m
1 stop
Multiple Airlines Logo
10:55 - 18:17
MEL
-
STL
22h 22m
1 stop
$1,550Multiple Airlines
Tue, 30 Jun - Fri, 31 Jul
United Airlines Logo
06:01 - 08:15
STL
-
MEL
35h 14m
2 stops
United Airlines Logo
10:55 - 18:17
MEL
-
STL
22h 22m
1 stop
$1,551United Airlines
Tue, 30 Jun - Fri, 31 Jul
American Airlines Logo
06:30 - 06:45
STL
-
MEL
32h 15m
1 stop
American Airlines Logo
23:15 - 08:27
MEL
-
STL
26h 12m
2 stops
$1,554American Airlines
Wed, 21 Oct - Wed, 4 Nov
Multiple Airlines Logo
13:13 - 08:15
STL
-
MEL
28h 02m
2 stops
Multiple Airlines Logo
10:55 - 21:26
MEL
-
STL
25h 31m
2 stops
$1,555Multiple Airlines
Tue, 30 Jun - Fri, 31 Jul
Qantas Airways Logo
06:30 - 09:30
STL
-
MEL
35h 00m
1 stop
Qantas Airways Logo
23:15 - 23:42
MEL
-
STL
41h 27m
1 stop
$1,557Qantas Airways
Tue, 27 Oct - Wed, 11 Nov
ANA Logo
08:42 - 08:15
STL
-
MEL
32h 33m
1 stop
ANA Logo
10:55 - 18:39
MEL
-
STL
22h 44m
1 stop
$1,561ANA
Thu, 20 Aug - Sun, 30 Aug
American Airlines Logo
07:01 - 05:00
STL
-
MEL
29h 59m
1 stop
American Airlines Logo
23:15 - 08:58
MEL
-
STL
26h 43m
2 stops
$1,754American Airlines
Tue, 27 Oct - Wed, 11 Nov
United Airlines Logo
19:23 - 08:15
STL
-
MEL
21h 52m
1 stop
United Airlines Logo
06:00 - 18:17
MEL
-
STL
27h 17m
2 stops
$1,953United Airlines
Sat, 18 Jul - Sat, 25 Jul

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American Airlines flights from St. Louis to Melbourne

Our best American Airlines deals on St. Louis to Melbourne flight tickets
American Airlines
20 Oct
STL12:43Lambert-St Louis
26h 02m
2 stops
MEL06:45Melbourne
3 Nov
MEL12:00Melbourne
24h 30m
1 stop
STL19:30Lambert-St Louis
$1,541
American Airlines
20 Oct
STL06:30Lambert-St Louis
32h 15m
1 stop
MEL06:45Melbourne
3 Nov
MEL12:00Melbourne
20h 29m
1 stop
STL15:29Lambert-St Louis
$1,547
American Airlines
21 Oct
STL06:30Lambert-St Louis
32h 15m
1 stop
MEL06:45Melbourne
4 Nov
MEL23:15Melbourne
26h 12m
2 stops
STL08:27Lambert-St Louis
$1,554

United Airlines flights from St. Louis to Melbourne

Our best United Airlines deals on St. Louis to Melbourne flight tickets
United Airlines
30 June
STL06:01Lambert-St Louis
35h 14m
2 stops
MEL08:15Melbourne
31 July
MEL10:55Melbourne
22h 22m
1 stop
STL18:17Lambert-St Louis
$1,551
United Airlines
18 July
STL19:23Lambert-St Louis
21h 52m
1 stop
MEL08:15Melbourne
25 July
MEL06:00Melbourne
27h 17m
2 stops
STL18:17Lambert-St Louis
$1,953
United Airlines
18 July
STL19:23Lambert-St Louis
21h 52m
1 stop
MEL08:15Melbourne
25 July
MEL06:00Melbourne
27h 17m
2 stops
STL18:17Lambert-St Louis
$1,967

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 8 June 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

12:43-06:45

2 stops26h 02m

Melbourne

Tue 3/11

12:00-19:30

1 stop24h 30m

$1,541

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 20/10

06:30-06:45

1 stop32h 15m

Melbourne

Tue 3/11

12:00-15:29

1 stop20h 29m

$1,547
Fastest return journey

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 30/6

19:23-08:15

1 stop21h 52m

Melbourne

Fri 31/7

10:55-18:17

1 stop22h 22m

$1,550

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 30/6

06:01-08:15

2 stops35h 14m

Melbourne

Fri 31/7

10:55-18:17

1 stop22h 22m

$1,551

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 21/10

06:30-06:45

1 stop32h 15m

Melbourne

Wed 4/11

23:15-08:27

2 stops26h 12m

$1,554

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 30/6

13:13-08:15

2 stops28h 02m

Melbourne

Fri 31/7

10:55-21:26

2 stops25h 31m

$1,555

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 27/10

06:30-09:30

1 stop35h 00m

Melbourne

Wed 11/11

23:15-23:42

1 stop41h 27m

$1,557

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 20/8

08:42-08:15

1 stop32h 33m

Melbourne

Sun 30/8

10:55-18:39

1 stop22h 44m

$1,561

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 27/10

07:01-05:00

1 stop29h 59m

Melbourne

Wed 11/11

23:15-08:58

2 stops26h 43m

$1,754

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 18/7

19:23-08:15

1 stop21h 52m

Melbourne

Sat 25/7

06:00-18:17

2 stops27h 17m

$1,953

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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?

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 February is also cheap. Prices for this month can be found on momondo for an average of $1,216.

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

21h 52m

Direct flights

None
The fastest flight from St. Louis to Melbourne takes 21h 52m
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 21h 52m.

  • 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