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Cheap flights from St. Louis to Melbourne from $1,084

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 10/20. 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

Discover deals from 900+ travel sites with momondo.

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
12:43 pm - 6:45 am
STL
-
MEL
26h 02m
2 stops
American Airlines Logo
11:15 pm - 8:58 am
MEL
-
STL
26h 43m
2 stops
$1,084American Airlines
Tue, Oct 20 - Tue, Nov 3
American Airlines Logo
6:00 am - 6:45 am
STL
-
MEL
33h 45m
1 stop
American Airlines Logo
9:45 am - 10:59 pm
MEL
-
STL
28h 14m
1 stop
$1,088American Airlines
Sat, Aug 22 - Mon, Aug 31
American Airlines Logo
6:37 am - 6:45 am
STL
-
MEL
33h 08m
1 stop
American Airlines Logo
9:45 am - 11:59 pm
MEL
-
STL
29h 14m
1 stop
$1,089American Airlines
Sat, Jul 25 - Sat, Aug 1
American Airlines Logo
6:30 am - 6:45 am
STL
-
MEL
32h 15m
1 stop
American Airlines Logo
11:15 pm - 8:58 am
MEL
-
STL
26h 43m
2 stops
$1,093American Airlines
Tue, Oct 20 - Tue, Nov 3
Qantas Airways Logo
6:30 am - 9:30 am
STL
-
MEL
35h 00m
1 stop
Qantas Airways Logo
11:15 pm - 11:42 pm
MEL
-
STL
41h 27m
1 stop
$1,095Qantas Airways
Tue, Oct 27 - Wed, Nov 11
Qantas Airways Logo
6:30 am - 9:30 am
STL
-
MEL
35h 00m
1 stop
Qantas Airways Logo
11:15 pm - 11:42 pm
MEL
-
STL
41h 27m
1 stop
$1,096Qantas Airways
Tue, Oct 27 - Wed, Nov 11
Delta Logo
7:05 pm - 8:50 am
STL
-
MEL
45h 45m
2 stops
Delta Logo
12:00 pm - 12:36 am
MEL
-
STL
29h 36m
2 stops
$1,102Delta
Tue, Oct 20 - Tue, Nov 3
Delta Logo
10:33 am - 7:50 am
STL
-
MEL
30h 17m
2 stops
Delta Logo
10:00 am - 8:31 pm
MEL
-
STL
25h 31m
2 stops
$1,103Delta
Wed, Sep 2 - Wed, Sep 9
Multiple Airlines Logo
7:23 pm - 10:50 pm
STL
-
AVV
36h 27m
2 stops
Multiple Airlines Logo
8:40 pm - 6:39 pm
AVV
-
STL
36h 59m
2 stops
$1,112Multiple Airlines
Sat, Aug 8 - Sat, Aug 15
Multiple Airlines Logo
6:00 am - 2:20 pm
STL
-
AVV
41h 20m
2 stops
Multiple Airlines Logo
8:50 am - 10:59 pm
AVV
-
STL
29h 09m
3 stops
$1,405Multiple Airlines
Sat, Aug 8 - Sat, Aug 15

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Qantas Airways flights from St. Louis to Melbourne

Our best Qantas Airways deals on St. Louis to Melbourne flight tickets
Qantas Airways
Oct 27
STL6:30 amLambert-St Louis
35h 00m
1 stop
MEL9:30 amMelbourne
Nov 11
MEL11:15 pmMelbourne
41h 27m
1 stop
STL11:42 pmLambert-St Louis
$1,095
Qantas Airways
Oct 27
STL6:30 amLambert-St Louis
35h 00m
1 stop
MEL9:30 amMelbourne
Nov 11
MEL11:15 pmMelbourne
41h 27m
1 stop
STL11:42 pmLambert-St Louis
$1,096
Qantas Airways
Oct 27
STL6:30 amLambert-St Louis
35h 00m
1 stop
MEL9:30 amMelbourne
Nov 11
MEL11:15 pmMelbourne
41h 27m
1 stop
STL11:42 pmLambert-St Louis
$1,105

Delta flights from St. Louis to Melbourne

Our best Delta deals on St. Louis to Melbourne flight tickets
Delta
Oct 20
STL7:05 pmLambert-St Louis
45h 45m
2 stops
MEL8:50 amMelbourne
Nov 3
MEL12:00 pmMelbourne
29h 36m
2 stops
STL12:36 amLambert-St Louis
$1,102
Delta
Sep 2
STL10:33 amLambert-St Louis
30h 17m
2 stops
MEL7:50 amMelbourne
Sep 9
MEL10:00 amMelbourne
25h 31m
2 stops
STL8:31 pmLambert-St Louis
$1,103
Delta
Sep 1
STL5:23 pmLambert-St Louis
47h 27m
2 stops
MEL7:50 amMelbourne
Sep 9
MEL10:00 amMelbourne
25h 35m
2 stops
STL8:35 pmLambert-St Louis
$1,115

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 June 14, 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 10/20

12:43 pm-6:45 am

2 stops26h 02m

Melbourne

Tue 11/3

11:15 pm-8:58 am

2 stops26h 43m

$1,084

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 8/22

6:00 am-6:45 am

1 stop33h 45m

Melbourne

Mon 8/31

9:45 am-10:59 pm

1 stop28h 14m

$1,088

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 7/25

6:37 am-6:45 am

1 stop33h 08m

Melbourne

Sat 8/1

9:45 am-11:59 pm

1 stop29h 14m

$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

11:15 pm-8:58 am

2 stops26h 43m

$1,093

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/27

6:30 am-9:30 am

1 stop35h 00m

Melbourne

Wed 11/11

11:15 pm-11:42 pm

1 stop41h 27m

$1,095

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/27

6:30 am-9:30 am

1 stop35h 00m

Melbourne

Wed 11/11

11:15 pm-11:42 pm

1 stop41h 27m

$1,096

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/20

7:05 pm-8:50 am

2 stops45h 45m

Melbourne

Tue 11/3

12:00 pm-12:36 am

2 stops29h 36m

$1,102

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 9/2

10:33 am-7:50 am

2 stops30h 17m

Melbourne

Wed 9/9

10:00 am-8:31 pm

2 stops25h 31m

$1,103

St. LouisMelbourne

STL - AVV

STLAVV

Lambert-St Louis

Sat 8/8

7:23 pm-10:50 pm

2 stops36h 27m

Melbourne Avalon

Sat 8/15

8:40 pm-6:39 pm

2 stops36h 59m

$1,112

St. LouisMelbourne

STL - AVV

STLAVV

Lambert-St Louis

Sat 8/8

6:00 am-2:20 pm

2 stops41h 20m

Melbourne Avalon

Sat 8/15

8:50 am-10:59 pm

3 stops29h 09m

$1,405

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 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?

    There are 9481.9 mi between Lambert-St Louis and Melbourne. By plane, this route typically takes 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 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
1,046 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,086Free CancellationRating
7.1
11,651 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,288Free CancellationRating
7.4
9,819 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