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Cheap flights from St. Louis to Melbourne from $1,081

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Melbourne departing on 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:14 am - 5:00 am
STL
-
MEL
26h 46m
1 stop
American Airlines Logo
12:00 pm - 7:30 pm
MEL
-
STL
24h 30m
1 stop
$1,081American Airlines
Tue, Oct 27 - Tue, Nov 10
American Airlines Logo
3:33 pm - 9:30 am
STL
-
MEL
25h 57m
2 stops
American Airlines Logo
11:15 pm - 8:58 am
MEL
-
STL
26h 43m
2 stops
$1,085American Airlines
Tue, Oct 27 - Wed, Nov 11
American Airlines Logo
12:43 pm - 6:45 am
STL
-
MEL
26h 02m
2 stops
American Airlines Logo
12:00 pm - 10:29 pm
MEL
-
STL
27h 29m
1 stop
$1,086American Airlines
Tue, Oct 20 - Tue, Nov 3
American Airlines Logo
6:30 am - 9:30 am
STL
-
MEL
35h 00m
1 stop
American Airlines Logo
12:00 pm - 10:29 pm
MEL
-
STL
27h 29m
1 stop
$1,089American Airlines
Mon, Oct 26 - Sun, Nov 8
American Airlines Logo
6:30 am - 6:45 am
STL
-
MEL
32h 15m
1 stop
American Airlines Logo
12:00 pm - 3:29 pm
MEL
-
STL
20h 29m
1 stop
$1,090American Airlines
Tue, Oct 20 - Tue, Nov 3
Qantas Airways Logo
3:33 pm - 5:00 am
STL
-
MEL
21h 27m
1 stop
Qantas Airways Logo
11:15 pm - 11:42 pm
MEL
-
STL
41h 27m
1 stop
$1,097Qantas Airways
Tue, Oct 27 - Wed, Nov 11
Qantas Airways Logo
3:33 pm - 5:00 am
STL
-
MEL
21h 27m
1 stop
Qantas Airways Logo
11:15 pm - 11:42 pm
MEL
-
STL
41h 27m
1 stop
$1,121Qantas Airways
Tue, Oct 27 - Wed, Nov 11
Qantas Airways Logo
6:30 am - 6:45 am
STL
-
MEL
32h 15m
1 stop
Qantas Airways Logo
11:15 pm - 11:42 pm
MEL
-
STL
41h 27m
1 stop
$1,144Qantas Airways
Wed, Oct 21 - Wed, Nov 4
Multiple Airlines Logo
2:40 pm - 2:10 pm
STL
-
AVV
31h 30m
3 stops
Multiple Airlines Logo
6:00 am - 3:30 pm
AVV
-
STL
50h 30m
3 stops
$1,439Multiple Airlines
Tue, Oct 20 - Tue, Nov 3
Qantas Airways Logo
6:30 am - 3:20 pm
STL
-
AVV
40h 50m
2 stops
Qantas Airways Logo
10:20 am - 4:40 pm
AVV
-
STL
23h 20m
2 stops
$1,944Qantas Airways
Tue, Oct 20 - Tue, Nov 3

Qantas Airways flights from St. Louis to Melbourne

Our best Qantas Airways deals on St. Louis to Melbourne flight tickets
Qantas Airways
Oct 27
STL3:33 pmLambert-St Louis
21h 27m
1 stop
MEL5:00 amMelbourne
Nov 11
MEL11:15 pmMelbourne
41h 27m
1 stop
STL11:42 pmLambert-St Louis
$1,097
Qantas Airways
Oct 27
STL3:33 pmLambert-St Louis
21h 27m
1 stop
MEL5:00 amMelbourne
Nov 11
MEL11:15 pmMelbourne
41h 27m
1 stop
STL11:42 pmLambert-St Louis
$1,121
Qantas Airways
Oct 21
STL6:30 amLambert-St Louis
32h 15m
1 stop
MEL6:45 amMelbourne
Nov 4
MEL11:15 pmMelbourne
41h 27m
1 stop
STL11:42 pmLambert-St Louis
$1,144

American Airlines flights from St. Louis to Melbourne

Our best American Airlines deals on St. Louis to Melbourne flight tickets
American Airlines
Oct 27
STL10:14 amLambert-St Louis
26h 46m
1 stop
MEL5:00 amMelbourne
Nov 10
MEL12:00 pmMelbourne
24h 30m
1 stop
STL7:30 pmLambert-St Louis
$1,081
American Airlines
Oct 27
STL3:33 pmLambert-St Louis
25h 57m
2 stops
MEL9:30 amMelbourne
Nov 11
MEL11:15 pmMelbourne
26h 43m
2 stops
STL8:58 amLambert-St Louis
$1,085
American Airlines
Oct 20
STL12:43 pmLambert-St Louis
26h 02m
2 stops
MEL6:45 amMelbourne
Nov 3
MEL12:00 pmMelbourne
27h 29m
1 stop
STL10:29 pmLambert-St Louis
$1,086

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated May 27, 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 round-trip
Quickest round-trip

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/27

10:14 am-5:00 am

1 stop26h 46m

Melbourne

Tue 11/10

12:00 pm-7:30 pm

1 stop24h 30m

$1,081

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/27

3:33 pm-9:30 am

2 stops25h 57m

Melbourne

Wed 11/11

11:15 pm-8:58 am

2 stops26h 43m

$1,085

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/20

12:43 pm-6:45 am

2 stops26h 02m

Melbourne

Tue 11/3

12:00 pm-10:29 pm

1 stop27h 29m

$1,086

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 10/26

6:30 am-9:30 am

1 stop35h 00m

Melbourne

Sun 11/8

12:00 pm-10:29 pm

1 stop27h 29m

$1,089

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/20

6:30 am-6:45 am

1 stop32h 15m

Melbourne

Tue 11/3

12:00 pm-3:29 pm

1 stop20h 29m

$1,090

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/27

3:33 pm-5:00 am

1 stop21h 27m

Melbourne

Wed 11/11

11:15 pm-11:42 pm

1 stop41h 27m

$1,097

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/27

3:33 pm-5:00 am

1 stop21h 27m

Melbourne

Wed 11/11

11:15 pm-11:42 pm

1 stop41h 27m

$1,121

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 10/21

6:30 am-6:45 am

1 stop32h 15m

Melbourne

Wed 11/4

11:15 pm-11:42 pm

1 stop41h 27m

$1,144

St. LouisMelbourne

STL - AVV

STLAVV

Lambert-St Louis

Tue 10/20

2:40 pm-2:10 pm

3 stops31h 30m

Melbourne Avalon

Tue 11/3

6:00 am-3:30 pm

3 stops50h 30m

$1,439

St. LouisMelbourne

STL - AVV

STLAVV

Lambert-St Louis

Tue 10/20

6:30 am-3:20 pm

2 stops40h 50m

Melbourne Avalon

Tue 11/3

10:20 am-4:40 pm

2 stops23h 20m

$1,944

Flights are sorted by cheapest round-trip 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. The month of February is another great option to travel to Melbourne, with average flight prices from St. Louis averaging around $857.

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 27m

Direct flights

None
The fastest flight from St. Louis to Melbourne takes 21h 27m
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?

    There are 9481.9 mi between Lambert-St Louis and Melbourne. By plane, this route typically takes 21h 27m.

  • 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 are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Melbourne?

  • 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 layovers. 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 travel and health documents you'll need for your trip to Melbourne may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Melbourne. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Melbourne

Compare and see reviews for airlines that fly from St. Louis to Melbourne with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $857Free CancellationRating
7.5
1,042 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,086Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,289Free CancellationRating
7.4
9,753 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Melbourne from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Melbourne quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Melbourne from St. Louis with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Melbourne.

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

Of course. momondo tracks the price of St. Louis to Melbourne flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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 31.3 mi from Melbourne
Melbourne Avalon Airport