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Cheap flights from St. Louis to Melbourne from $1,091

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 3/30. 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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Find the cheapest flights from St. Louis to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
6:38 am - 10:30 am
STL
-
MEL
35h 52m
2 stops
Qantas Airways Logo
1:35 pm - 7:30 pm
MEL
-
STL
20h 55m
1 stop
$1,091Qantas Airways
Mon, Mar 30 - Wed, Apr 8
Qantas Airways Logo
6:38 am - 6:45 am
STL
-
MEL
32h 07m
1 stop
Qantas Airways Logo
9:45 am - 11:57 pm
MEL
-
STL
29h 12m
1 stop
$1,111Qantas Airways
Mon, Mar 30 - Wed, Apr 8
Qantas Airways Logo
7:20 pm - 5:00 am
STL
-
MEL
42h 40m
1 stop
Qantas Airways Logo
9:45 am - 11:08 pm
MEL
-
STL
28h 23m
1 stop
$1,118Qantas Airways
Fri, Jul 31 - Fri, Aug 7
Qantas Airways Logo
3:38 pm - 5:00 am
STL
-
MEL
22h 22m
1 stop
Qantas Airways Logo
9:45 am - 11:59 pm
MEL
-
STL
29h 14m
1 stop
$1,123Qantas Airways
Wed, May 13 - Wed, May 20
American Airlines Logo
4:13 pm - 6:00 am
STL
-
MEL
21h 47m
1 stop
American Airlines Logo
9:45 am - 11:57 pm
MEL
-
STL
29h 12m
1 stop
$1,124American Airlines
Fri, Apr 3 - Sun, Apr 19
American Airlines Logo
11:46 am - 7:45 am
STL
-
MEL
27h 59m
2 stops
American Airlines Logo
9:45 am - 7:33 pm
MEL
-
STL
24h 48m
2 stops
$1,129American Airlines
Fri, Apr 3 - Sun, Apr 19
United Airlines Logo
7:05 pm - 9:15 am
STL
-
MEL
22h 10m
1 stop
United Airlines Logo
10:55 am - 6:24 pm
MEL
-
STL
22h 29m
1 stop
$1,135United Airlines
Mon, Mar 30 - Wed, Apr 8
United Airlines Logo
4:49 pm - 8:30 am
STL
-
MEL
23h 41m
2 stops
United Airlines Logo
10:55 am - 9:08 pm
MEL
-
STL
25h 13m
2 stops
$1,140United Airlines
Mon, Mar 30 - Thu, Apr 9
Multiple Airlines Logo
2:20 pm - 2:10 pm
STL
-
AVV
32h 50m
3 stops
Multiple Airlines Logo
8:55 pm - 12:06 pm
AVV
-
STL
54h 11m
3 stops
$1,397Multiple Airlines
Wed, May 13 - Wed, May 20
Multiple Airlines Logo
6:38 am - 2:10 pm
STL
-
AVV
39h 32m
2 stops
Multiple Airlines Logo
8:55 pm - 5:21 pm
AVV
-
STL
35h 26m
2 stops
$1,412Multiple Airlines
Sun, Mar 29 - Tue, Apr 7

Qantas Airways flights from St. Louis to Melbourne

Our best Qantas Airways deals on St. Louis to Melbourne flight tickets
Qantas Airways
Mar 2
STL11:46 amLambert-St Louis
24h 14m
1 stop
MEL5:00 amMelbourne
Mar 12
MEL4:55 pmMelbourne
23h 03m
2 stops
STL11:58 pmLambert-St Louis
$1,089
Qantas Airways
Mar 30
STL6:38 amLambert-St Louis
35h 52m
2 stops
MEL10:30 amMelbourne
Apr 8
MEL1:35 pmMelbourne
20h 55m
1 stop
STL7:30 pmLambert-St Louis
$1,091
Qantas Airways
Mar 30
STL6:38 amLambert-St Louis
32h 07m
1 stop
MEL6:45 amMelbourne
Apr 8
MEL9:45 amMelbourne
29h 12m
1 stop
STL11:57 pmLambert-St Louis
$1,111

American Airlines flights from St. Louis to Melbourne

Our best American Airlines deals on St. Louis to Melbourne flight tickets
American Airlines
Apr 3
STL4:13 pmLambert-St Louis
21h 47m
1 stop
MEL6:00 amMelbourne
Apr 19
MEL9:45 amMelbourne
29h 12m
1 stop
STL11:57 pmLambert-St Louis
$1,124
American Airlines
Apr 3
STL11:46 amLambert-St Louis
27h 59m
2 stops
MEL7:45 amMelbourne
Apr 19
MEL9:45 amMelbourne
24h 48m
2 stops
STL7:33 pmLambert-St Louis
$1,129
American Airlines
Mar 12
STL6:38 amLambert-St Louis
34h 52m
1 stop
MEL9:30 amMelbourne
Mar 21
MEL12:00 pmMelbourne
27h 58m
1 stop
STL11:58 pmLambert-St Louis
$1,134

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 February 26, 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

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 3/30

6:38 am-10:30 am

2 stops35h 52m

Melbourne

Wed 4/8

1:35 pm-7:30 pm

1 stop20h 55m

$1,091

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 3/30

6:38 am-6:45 am

1 stop32h 07m

Melbourne

Wed 4/8

9:45 am-11:57 pm

1 stop29h 12m

$1,111

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 7/31

7:20 pm-5:00 am

1 stop42h 40m

Melbourne

Fri 8/7

9:45 am-11:08 pm

1 stop28h 23m

$1,118

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 5/13

3:38 pm-5:00 am

1 stop22h 22m

Melbourne

Wed 5/20

9:45 am-11:59 pm

1 stop29h 14m

$1,123

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 4/3

4:13 pm-6:00 am

1 stop21h 47m

Melbourne

Sun 4/19

9:45 am-11:57 pm

1 stop29h 12m

$1,124

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 4/3

11:46 am-7:45 am

2 stops27h 59m

Melbourne

Sun 4/19

9:45 am-7:33 pm

2 stops24h 48m

$1,129

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 3/30

7:05 pm-9:15 am

1 stop22h 10m

Melbourne

Wed 4/8

10:55 am-6:24 pm

1 stop22h 29m

$1,135

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 3/30

4:49 pm-8:30 am

2 stops23h 41m

Melbourne

Thu 4/9

10:55 am-9:08 pm

2 stops25h 13m

$1,140

St. LouisMelbourne

STL - AVV

STLAVV

Lambert-St Louis

Wed 5/13

2:20 pm-2:10 pm

3 stops32h 50m

Melbourne Avalon

Wed 5/20

8:55 pm-12:06 pm

3 stops54h 11m

$1,397

St. LouisMelbourne

STL - AVV

STLAVV

Lambert-St Louis

Sun 3/29

6:38 am-2:10 pm

2 stops39h 32m

Melbourne Avalon

Tue 4/7

8:55 pm-5:21 pm

2 stops35h 26m

$1,412

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, February 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 $1,289. The month of January is another great option to travel to Melbourne, with average flight prices from St. Louis averaging around $1,343.

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

23h 35m

Direct flights

None
The fastest flight from St. Louis to Melbourne takes 23h 35m
There are no direct flights from St. Louis to Melbourne. There are no popular flight routes from St. Louis to Melbourne.
Search flight deals

  • 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 23h 35m.

  • 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
American AirlinesPriceFrom $1,118Free CancellationRating
7.2
11,353 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,234Free CancellationRating
7.5
998 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,289Free CancellationRating
7.4
9,348 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