What is the cheapest airline that flies from Lambert-St Louis to Melbourne?

Qantas Airways, United Airlines, and Fiji Airways are the most popular carriers operating from Lambert-St Louis to Melbourne

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?

As of November 2025, there is 1 operator available to choose from 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.

$1,041 Cheap Flights from St. Louis to Melbourne in 2025/26

1 adult

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Find the cheapest flights from St. Louis to Melbourne

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:04 - 08:20STL-MEL

46h 16m2 stops

12:00 - 23:48MEL-STL

28h 48m1 stop

$1,471Qantas Airways

Find Deal

Mon, 2 Feb - Sat, 14 Feb

17:04 - 17:15STL-MEL

31h 11m2 stops

12:00 - 23:48MEL-STL

28h 48m1 stop

$1,666Qantas Airways

Find Deal

Fri, 6 Feb - Mon, 23 Feb

16:05 - 14:00STL-MEL

52h 55m3 stops

07:25 - 15:29MEL-STL

49h 04m3 stops

$1,779Multiple Airlines

Find Deal

Mon, 2 Feb - Sat, 14 Feb

17:04 - 22:50STL-MEL

36h 46m2 stops

23:55 - 17:05MEL-STL

34h 10m2 stops

$1,804Qantas Airways

Find Deal

Fri, 6 Feb - Mon, 23 Feb

16:05 - 13:40STL-MEL

52h 35m3 stops

07:45 - 15:29MEL-STL

48h 44m3 stops

$1,845Multiple Airlines

Find Deal

Fri, 6 Feb - Mon, 23 Feb

17:04 - 22:50STL-MEL

36h 46m2 stops

06:45 - 23:48MEL-STL

34h 03m2 stops

$1,891Qantas Airways

Find Deal

Mon, 2 Feb - Sat, 14 Feb

17:59 - 19:20STL-MEL

34h 21m2 stops

07:30 - 22:29MEL-STL

29h 59m2 stops

$1,914Multiple Airlines

Find Deal

Sat, 4 Apr - Sat, 11 Apr

11:55 - 05:00STL-MEL

24h 05m1 stop

16:05 - 19:19MEL-STL

20h 14m1 stop

$1,924Qantas Airways

Find Deal

Mon, 2 Feb - Sat, 14 Feb

19:06 - 09:15STL-MEL

22h 09m1 stop

10:55 - 18:22MEL-STL

22h 27m1 stop

$1,959United Airlines

Find Deal

Fri, 3 Apr - Sun, 19 Apr

10:07 - 10:00STL-MEL

30h 53m2 stops

13:00 - 20:58MEL-STL

24h 58m2 stops

$1,967United Airlines

Find Deal

Tue, 6 Jan - Fri, 6 Feb

Qantas Airways flights from St. Louis to Melbourne

Our best Qantas Airways deals on St. Louis to Melbourne flight tickets

Qantas Airways

2 Feb

STL17:04Lambert-St Louis

46h 16m

2 stops

MEL08:20Melbourne

14 Feb

MEL12:00Melbourne

28h 48m

1 stop

STL23:48Lambert-St Louis

$1,471

Find similar

Qantas Airways

6 Feb

STL17:04Lambert-St Louis

31h 11m

2 stops

MEL17:15Melbourne

23 Feb

MEL12:00Melbourne

28h 48m

1 stop

STL23:48Lambert-St Louis

$1,666

Find similar

Qantas Airways

6 Feb

STL17:04Lambert-St Louis

36h 46m

2 stops

MEL22:50Melbourne

23 Feb

MEL23:55Melbourne

34h 10m

2 stops

STL17:05Lambert-St Louis

$1,804

Find similar

United Airlines flights from St. Louis to Melbourne

Our best United Airlines deals on St. Louis to Melbourne flight tickets

United Airlines

3 Apr

STL19:06Lambert-St Louis

22h 09m

1 stop

MEL09:15Melbourne

19 Apr

MEL10:55Melbourne

22h 27m

1 stop

STL18:22Lambert-St Louis

$1,959

Find similar

United Airlines

6 Jan

STL10:07Lambert-St Louis

30h 53m

2 stops

MEL10:00Melbourne

6 Feb

MEL13:00Melbourne

24h 58m

2 stops

STL20:58Lambert-St Louis

$1,967

Find similar

United Airlines

6 Jan

STL08:45Lambert-St Louis

32h 15m

2 stops

MEL10:00Melbourne

31 Jan

MEL13:00Melbourne

33h 11m

1 stop

STL05:11Lambert-St Louis

$1,984

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 2/2

17:04-08:20

2 stops46h 16m

Melbourne

Sat 14/2

12:00-23:48

1 stop28h 48m

$1,471

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 6/2

17:04-17:15

2 stops31h 11m

Melbourne

Mon 23/2

12:00-23:48

1 stop28h 48m

$1,666

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 2/2

16:05-14:00

3 stops52h 55m

Melbourne

Sat 14/2

07:25-15:29

3 stops49h 04m

$1,779

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 6/2

17:04-22:50

2 stops36h 46m

Melbourne

Mon 23/2

23:55-17:05

2 stops34h 10m

$1,804

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 6/2

16:05-13:40

3 stops52h 35m

Melbourne

Mon 23/2

07:45-15:29

3 stops48h 44m

$1,845

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 2/2

17:04-22:50

2 stops36h 46m

Melbourne

Sat 14/2

06:45-23:48

2 stops34h 03m

$1,891

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

$1,914

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 2/2

11:55-05:00

1 stop24h 05m

Melbourne

Sat 14/2

16:05-19:19

1 stop20h 14m

$1,924

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 3/4

19:06-09:15

1 stop22h 09m

Melbourne

Sun 19/4

10:55-18:22

1 stop22h 27m

$1,959

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 6/1

10:07-10:00

2 stops30h 53m

Melbourne

Fri 6/2

13:00-20:58

2 stops24h 58m

$1,967

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Melbourne?

In general, March 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 $2,057. If you aren’t able to travel to Melbourne during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $2,130.

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 $2,102. Flights to Melbourne are more costly in the afternoon, with an average ticket price of $2,842. 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.

Search flight deals

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?
As of November 2025, there is 1 operator available to choose from 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 Airlines	PriceFrom $2,004	Free cancellation	Rating 7.4 9,017 reviews		Search United Airlines flights

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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.