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Cheap flights from St. Louis to Melbourne from $1,250

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 19/11. 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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Cheap return flights

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Qantas Airways Logo
17:20 - 22:45STL-MEL
36h 25m2 stops
Qantas Airways Logo
12:00 - 23:59MEL-STL
28h 59m1 stop
$1,637Qantas Airways
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Sun, 1 Feb - Sun, 8 Feb
Multiple Airlines Logo
16:05 - 14:00STL-MEL
52h 55m3 stops
Multiple Airlines Logo
07:25 - 15:29MEL-STL
49h 04m3 stops
$1,858Multiple Airlines
Find Deal
Sun, 1 Feb - Sun, 8 Feb
Multiple Airlines Logo
17:59 - 19:20STL-MEL
34h 21m2 stops
Multiple Airlines Logo
07:30 - 22:29MEL-STL
29h 59m2 stops
$1,949Multiple Airlines
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Sat, 4 Apr - Sat, 11 Apr
United Airlines Logo
19:06 - 08:15STL-MEL
22h 09m1 stop
United Airlines Logo
10:55 - 17:53MEL-STL
21h 58m1 stop
$1,975United Airlines
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Sat, 4 Apr - Sat, 11 Apr
United Airlines Logo
06:00 - 09:30STL-MEL
34h 30m2 stops
United Airlines Logo
11:30 - 17:43MEL-STL
23h 13m2 stops
$1,981United Airlines
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Sun, 4 Jan - Tue, 27 Jan
Fiji Airways Logo
17:04 - 12:25STL-MEL
26h 21m2 stops
Fiji Airways Logo
13:45 - 19:29MEL-STL
22h 44m2 stops
$2,121Fiji Airways
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Tue, 13 Jan - Tue, 3 Feb
American Airlines Logo
11:42 - 05:00STL-MEL
24h 18m1 stop
American Airlines Logo
08:15 - 16:27MEL-STL
25h 12m2 stops
$2,140American Airlines
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Wed, 26 Nov - Mon, 1 Dec
American Airlines Logo
13:20 - 09:30STL-MEL
27h 10m2 stops
American Airlines Logo
08:15 - 16:27MEL-STL
25h 12m2 stops
$2,147American Airlines
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Wed, 26 Nov - Mon, 1 Dec
Delta Logo
18:55 - 08:00STL-MEL
44h 05m2 stops
Delta Logo
10:10 - 20:39MEL-STL
27h 29m2 stops
$2,338Delta
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Sun, 11 Jan - Fri, 6 Feb
Fiji Airways Logo
18:44 - 12:25STL-MEL
24h 41m2 stops
Fiji Airways Logo
13:55 - 19:29MEL-STL
22h 34m2 stops
$2,386Fiji Airways
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Sat, 3 Jan - Thu, 29 Jan

American Airlines flights from St. Louis to Melbourne

Our best American Airlines deals on St. Louis to Melbourne flight tickets
American Airlines
11 Nov
STL13:20Lambert-St Louis
27h 10m
2 stops
MEL09:30Melbourne
3 Dec
MEL12:00Melbourne
24h 29m
2 stops
STL19:29Lambert-St Louis
$2,101
Find similar
American Airlines
11 Nov
STL07:00Lambert-St Louis
33h 30m
1 stop
MEL09:30Melbourne
3 Dec
MEL16:05Melbourne
23h 42m
1 stop
STL22:47Lambert-St Louis
$2,112
Find similar
American Airlines
26 Nov
STL11:42Lambert-St Louis
24h 18m
1 stop
MEL05:00Melbourne
1 Dec
MEL08:15Melbourne
25h 12m
2 stops
STL16:27Lambert-St Louis
$2,140
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United Airlines flights from St. Louis to Melbourne

Our best United Airlines deals on St. Louis to Melbourne flight tickets
United Airlines
4 Apr
STL19:06Lambert-St Louis
22h 09m
1 stop
MEL08:15Melbourne
11 Apr
MEL10:55Melbourne
21h 58m
1 stop
STL17:53Lambert-St Louis
$1,975
Find similar
United Airlines
4 Jan
STL06:00Lambert-St Louis
34h 30m
2 stops
MEL09:30Melbourne
27 Jan
MEL11:30Melbourne
23h 13m
2 stops
STL17:43Lambert-St Louis
$1,981
Find similar
United Airlines
2 Jan
STL06:00Lambert-St Louis
34h 30m
2 stops
MEL09:30Melbourne
22 Jan
MEL11:30Melbourne
26h 28m
2 stops
STL20:58Lambert-St Louis
$2,127
Find similar

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 5 November 2025.
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

Sun 1/2

17:20-22:45

2 stops36h 25m

Melbourne

Sun 8/2

12:00-23:59

1 stop28h 59m

$1,637

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 1/2

16:05-14:00

3 stops52h 55m

Melbourne

Sun 8/2

07:25-15:29

3 stops49h 04m

$1,858

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 4/4

17:59-19:20

2 stops34h 21m

Melbourne

Sat 11/4

07:30-22:29

2 stops29h 59m

$1,949

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 4/4

19:06-08:15

1 stop22h 09m

Melbourne

Sat 11/4

10:55-17:53

1 stop21h 58m

$1,975

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 4/1

06:00-09:30

2 stops34h 30m

Melbourne

Tue 27/1

11:30-17:43

2 stops23h 13m

$1,981

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 13/1

17:04-12:25

2 stops26h 21m

Melbourne

Tue 3/2

13:45-19:29

2 stops22h 44m

$2,121

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 26/11

11:42-05:00

1 stop24h 18m

Melbourne

Mon 1/12

08:15-16:27

2 stops25h 12m

$2,140

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 26/11

13:20-09:30

2 stops27h 10m

Melbourne

Mon 1/12

08:15-16:27

2 stops25h 12m

$2,147

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 11/1

18:55-08:00

2 stops44h 05m

Melbourne

Fri 6/2

10:10-20:39

2 stops27h 29m

$2,338

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 3/1

18:44-12:25

2 stops24h 41m

Melbourne

Thu 29/1

13:55-19:29

2 stops22h 34m

$2,386

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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 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 $1,998. If you aren’t able to travel to Melbourne during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $2,146.

What is the cheapest time of day to depart on your flight to Melbourne?

Our most recent data shows that the best time of day to fly to Melbourne is in the morning. Flights from St. Louis to Melbourne during this time can be as low as $2,117. Flights to Melbourne are more costly in the afternoon, with an average ticket price of $2,863. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
There are no direct flights from St. Louis to Melbourne. There are no popular flight routes from St. Louis to Melbourne.
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  • 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 09m.

  • 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 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 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.

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
United AirlinesPriceFrom $2,018Free cancellationRating
7.4
9,002 reviews
Search United Airlines flights

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