Latest deals
Insights
FAQs
Price Alerts

Cheap flights from St. Louis to Melbourne from $907

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 29/5. 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

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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? to track prices.
Search flight deals

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 - 23:29
MEL
-
STL
27h 29m
1 stop
$1,775American Airlines
Sun, 18 Oct - Sun, 1 Nov
Qantas Airways Logo
06:30 - 06:45
STL
-
MEL
32h 15m
1 stop
Qantas Airways Logo
12:00 - 17:40
MEL
-
STL
21h 40m
1 stop
$1,778Qantas Airways
Sun, 18 Oct - Sun, 1 Nov
United Airlines Logo
19:23 - 08:15
STL
-
MEL
21h 52m
1 stop
United Airlines Logo
09:30 - 20:42
MEL
-
STL
26h 12m
2 stops
$1,791United Airlines
Fri, 12 Jun - Fri, 19 Jun
United Airlines Logo
19:23 - 08:15
STL
-
MEL
21h 52m
1 stop
United Airlines Logo
18:00 - 18:17
MEL
-
STL
39h 17m
2 stops
$1,813United Airlines
Sun, 7 Jun - Sat, 13 Jun
United Airlines Logo
09:06 - 08:15
STL
-
MEL
32h 09m
2 stops
United Airlines Logo
18:00 - 18:17
MEL
-
STL
39h 17m
2 stops
$1,820United Airlines
Sun, 7 Jun - Sat, 13 Jun
United Airlines Logo
05:10 - 08:15
STL
-
MEL
36h 05m
2 stops
United Airlines Logo
07:15 - 15:46
MEL
-
STL
47h 31m
3 stops
$1,843United Airlines
Thu, 11 Jun - Thu, 18 Jun
American Airlines Logo
12:43 - 06:45
STL
-
MEL
26h 02m
2 stops
American Airlines Logo
12:00 - 20:29
MEL
-
STL
24h 29m
2 stops
$2,003American Airlines
Sun, 18 Oct - Sun, 1 Nov
American Airlines Logo
06:30 - 06:45
STL
-
MEL
32h 15m
1 stop
American Airlines Logo
12:00 - 20:30
MEL
-
STL
24h 30m
1 stop
$2,010American Airlines
Sun, 18 Oct - Sun, 1 Nov
United Airlines Logo
19:23 - 08:15
STL
-
MEL
21h 52m
1 stop
United Airlines Logo
10:55 - 15:46
MEL
-
STL
43h 51m
2 stops
$2,049United Airlines
Sun, 14 Jun - Sun, 21 Jun
United Airlines Logo
13:38 - 08:15
STL
-
MEL
27h 37m
2 stops
United Airlines Logo
10:55 - 12:11
MEL
-
STL
40h 16m
2 stops
$2,055United Airlines
Sun, 14 Jun - Sun, 21 Jun

United Airlines flights from St. Louis to Melbourne

Our best United Airlines deals on St. Louis to Melbourne flight tickets
United Airlines
12 June
STL19:23Lambert-St Louis
21h 52m
1 stop
MEL08:15Melbourne
19 June
MEL09:30Melbourne
26h 12m
2 stops
STL20:42Lambert-St Louis
$1,791
United Airlines
7 June
STL19:23Lambert-St Louis
21h 52m
1 stop
MEL08:15Melbourne
13 June
MEL18:00Melbourne
39h 17m
2 stops
STL18:17Lambert-St Louis
$1,813
United Airlines
3 May
STL19:06Lambert-St Louis
22h 09m
1 stop
MEL08:15Melbourne
9 May
MEL10:50Melbourne
46h 32m
2 stops
STL18:22Lambert-St Louis
$1,816

Qantas Airways flights from St. Louis to Melbourne

Our best Qantas Airways deals on St. Louis to Melbourne flight tickets
Qantas Airways
18 Oct
STL06:30Lambert-St Louis
32h 15m
1 stop
MEL06:45Melbourne
1 Nov
MEL12:00Melbourne
21h 40m
1 stop
STL17:40Lambert-St Louis
$1,778
Qantas Airways
3 May
STL06:21Lambert-St Louis
33h 24m
1 stop
MEL06:45Melbourne
9 May
MEL09:45Melbourne
29h 14m
1 stop
STL23:59Lambert-St Louis
$2,242
Qantas Airways
15 Aug
STL17:11Lambert-St Louis
20h 49m
1 stop
MEL05:00Melbourne
19 Aug
MEL13:35Melbourne
19h 35m
1 stop
STL18:10Lambert-St Louis
$3,008

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 1 May 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

Sun 18/10

12:43-06:45

2 stops26h 02m

Melbourne

Sun 1/11

12:00-23:29

1 stop27h 29m

$1,775

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 18/10

06:30-06:45

1 stop32h 15m

Melbourne

Sun 1/11

12:00-17:40

1 stop21h 40m

$1,778
Fastest return journey

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 12/6

19:23-08:15

1 stop21h 52m

Melbourne

Fri 19/6

09:30-20:42

2 stops26h 12m

$1,791

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 7/6

19:23-08:15

1 stop21h 52m

Melbourne

Sat 13/6

18:00-18:17

2 stops39h 17m

$1,813

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 7/6

09:06-08:15

2 stops32h 09m

Melbourne

Sat 13/6

18:00-18:17

2 stops39h 17m

$1,820

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 11/6

05:10-08:15

2 stops36h 05m

Melbourne

Thu 18/6

07:15-15:46

3 stops47h 31m

$1,843

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 18/10

12:43-06:45

2 stops26h 02m

Melbourne

Sun 1/11

12:00-20:29

2 stops24h 29m

$2,003

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 18/10

06:30-06:45

1 stop32h 15m

Melbourne

Sun 1/11

12:00-20:30

1 stop24h 30m

$2,010

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 14/6

19:23-08:15

1 stop21h 52m

Melbourne

Sun 21/6

10:55-15:46

2 stops43h 51m

$2,049

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 14/6

13:38-08:15

2 stops27h 37m

Melbourne

Sun 21/6

10:55-12:11

2 stops40h 16m

$2,055

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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, May 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 $1,562. If you aren’t able to travel to Melbourne during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,693.

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.

An easier way to manage your Melbourne trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 31/5
Sun 7/6
By creating a price alert you accept our terms of use and privacy policy.

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