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Cheap flights from St. Louis to Melbourne from $935

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.
American Airlines Logo
05:40 - 05:00STL  Lambert-St Louis-MEL Melbourne
31h 20m1 stop Dallas/Fort Worth
American Airlines Logo
22:45 - 08:07MEL  Melbourne-STL Lambert-St Louis
26h 22m2 stops Los Angeles Los Angeles Charlotte Douglas
$1,759American Airlines
Tue, 27 Oct - Wed, 11 Nov
Delta Logo
19:20 - 08:50STL  Lambert-St Louis-MEL Melbourne
45h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles
Delta Logo
12:00 - 21:25MEL  Melbourne-STL Lambert-St Louis
26h 25m2 stops Los Angeles Los Angeles Minneapolis St Paul
$1,785Delta
Tue, 20 Oct - Tue, 3 Nov
Delta Logo
19:20 - 08:50STL  Lambert-St Louis-MEL Melbourne
45h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles
Delta Logo
10:10 - 21:09MEL  Melbourne-STL Lambert-St Louis
27h 59m2 stops Los Angeles Los Angeles Salt Lake City
$1,786Delta
Tue, 20 Oct - Tue, 3 Nov
United Airlines Logo
11:10 - 09:15STL  Lambert-St Louis-MEL Melbourne
30h 05m2 stops Houston George Bush Intcntl San Francisco
United Airlines Logo
12:45 - 18:05MEL  Melbourne-STL Lambert-St Louis
22h 20m1 stop San Francisco
$1,792United Airlines
Tue, 20 Oct - Tue, 3 Nov
United Airlines Logo
12:59 - 07:30STL  Lambert-St Louis-MEL Melbourne
27h 31m2 stops Chicago O'Hare Intl Los Angeles Los Angeles
United Airlines Logo
11:10 - 18:05MEL  Melbourne-STL Lambert-St Louis
46h 55m2 stops Brisbane San Francisco
$1,816United Airlines
Wed, 23 Sep - Sat, 24 Oct
American Airlines Logo
15:34 - 05:00STL  Lambert-St Louis-MEL Melbourne
22h 26m1 stop Dallas/Fort Worth
American Airlines Logo
14:35 - 23:42MEL  Melbourne-STL Lambert-St Louis
25h 07m1 stop Dallas/Fort Worth
$1,825American Airlines
Wed, 23 Sep - Sat, 24 Oct
American Airlines Logo
08:30 - 05:00STL  Lambert-St Louis-MEL Melbourne
29h 30m1 stop Dallas/Fort Worth
American Airlines Logo
14:35 - 00:09MEL  Melbourne-STL Lambert-St Louis
25h 34m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$1,830American Airlines
Wed, 23 Sep - Sat, 24 Oct
Qantas Airways Logo
12:47 - 05:00STL  Lambert-St Louis-MEL Melbourne
24h 13m1 stop Dallas/Fort Worth
Qantas Airways Logo
22:45 - 23:45MEL  Melbourne-STL Lambert-St Louis
42h 00m1 stop Los Angeles Los Angeles
$1,915Qantas Airways
Tue, 27 Oct - Wed, 11 Nov
Qantas Airways Logo
14:54 - 05:00STL  Lambert-St Louis-MEL Melbourne
21h 06m1 stop Dallas/Fort Worth
Qantas Airways Logo
10:20 - 23:45MEL  Melbourne-STL Lambert-St Louis
30h 25m2 stops Brisbane Los Angeles Los Angeles
$1,939Qantas Airways
Sat, 14 Nov - Wed, 18 Nov
Air Canada Logo
14:40 - 13:05STL  Lambert-St Louis-MEL Melbourne
30h 25m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
08:00 - 15:26MEL  Melbourne-STL Lambert-St Louis
48h 26m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$1,963Air Canada
Tue, 20 Oct - Tue, 3 Nov

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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
27 Oct
STL10:22Lambert-St Louis
26h 38m
2 stops
MEL05:00Melbourne
11 Nov
MEL22:45Melbourne
26h 22m
2 stops
STL08:07Lambert-St Louis
$1,759
American Airlines
23 Sept
STL15:34Lambert-St Louis
22h 26m
1 stop
MEL05:00Melbourne
24 Oct
MEL14:35Melbourne
25h 07m
1 stop
STL23:42Lambert-St Louis
$1,825
American Airlines
23 Sept
STL08:30Lambert-St Louis
29h 30m
1 stop
MEL05:00Melbourne
24 Oct
MEL14:35Melbourne
25h 34m
2 stops
STL00:09Lambert-St Louis
$1,830

Delta flights from St. Louis to Melbourne

Our best Delta deals on St. Louis to Melbourne flight tickets
Delta
20 Oct
STL19:20Lambert-St Louis
45h 30m
2 stops
MEL08:50Melbourne
3 Nov
MEL12:00Melbourne
26h 25m
2 stops
STL21:25Lambert-St Louis
$1,785
Delta
20 Oct
STL19:20Lambert-St Louis
45h 30m
2 stops
MEL08:50Melbourne
3 Nov
MEL10:10Melbourne
27h 59m
2 stops
STL21:09Lambert-St Louis
$1,786
Delta
14 Dec
STL12:20Lambert-St Louis
26h 40m
2 stops
MEL08:00Melbourne
18 Jan
MEL10:10Melbourne
24h 51m
2 stops
STL18:01Lambert-St Louis
$2,267

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 10 August 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 Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 27/10

05:40-05:00

1 stop31h 20m

Melbourne

Wed 11/11

22:45-08:07

2 stops26h 22m

$1,759

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

19:20-08:50

2 stops45h 30m

Melbourne

Tue 3/11

12:00-21:25

2 stops26h 25m

$1,785

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

19:20-08:50

2 stops45h 30m

Melbourne

Tue 3/11

10:10-21:09

2 stops27h 59m

$1,786

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

11:10-09:15

2 stops30h 05m

Melbourne

Tue 3/11

12:45-18:05

1 stop22h 20m

$1,792

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Wed 23/9

12:59-07:30

2 stops27h 31m

Melbourne

Sat 24/10

11:10-18:05

2 stops46h 55m

$1,816
Fastest return journey

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Wed 23/9

15:34-05:00

1 stop22h 26m

Melbourne

Sat 24/10

14:35-23:42

1 stop25h 07m

$1,825

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Wed 23/9

08:30-05:00

1 stop29h 30m

Melbourne

Sat 24/10

14:35-00:09

2 stops25h 34m

$1,830

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 27/10

12:47-05:00

1 stop24h 13m

Melbourne

Wed 11/11

22:45-23:45

1 stop42h 00m

$1,915

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Sat 14/11

14:54-05:00

1 stop21h 06m

Melbourne

Wed 18/11

10:20-23:45

2 stops30h 25m

$1,939

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

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

$1,963

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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 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 $1,634.

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

22h 24m

Direct flights

None
The fastest flight from St. Louis to Melbourne takes 22h 24m
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 22h 24m.

  • 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