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

United Airlines and Qantas 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.

$1,071 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

Cheap return flights

Enter your travel dates to find the best prices.

07:04 - 10:25STL-MEL

34h 21m2 stops

16:05 - 19:19MEL-STL

20h 14m1 stop

$1,641Qantas Airways

Find Deal

Mon, 2 Feb - Sat, 14 Feb

07:04 - 10:25STL-MEL

34h 21m2 stops

16:05 - 19:19MEL-STL

20h 14m1 stop

$1,643Qantas Airways

Find Deal

Mon, 2 Feb - Sat, 14 Feb

16:05 - 14:00STL-MEL

52h 55m3 stops

07:25 - 15:29MEL-STL

49h 04m3 stops

$1,799Multiple Airlines

Find Deal

Mon, 2 Feb - Sat, 14 Feb

16:05 - 14:00STL-MEL

52h 55m3 stops

07:25 - 15:29MEL-STL

49h 04m3 stops

$1,865Multiple Airlines

Find Deal

Mon, 2 Feb - Sat, 14 Feb

11:55 - 05:00STL-MEL

24h 05m1 stop

16:05 - 19:19MEL-STL

20h 14m1 stop

$1,944Qantas Airways

Find Deal

Mon, 2 Feb - Sat, 14 Feb

11:55 - 05:00STL-MEL

24h 05m1 stop

16:05 - 19:19MEL-STL

20h 14m1 stop

$1,945Qantas Airways

Find Deal

Mon, 2 Feb - Sat, 14 Feb

13:35 - 09:30STL-MEL

26h 55m2 stops

16:05 - 23:52MEL-STL

24h 47m2 stops

$1,951American Airlines

Find Deal

Mon, 2 Feb - Sat, 14 Feb

14:45 - 09:30STL-MEL

25h 45m2 stops

11:30 - 21:13MEL-STL

26h 43m2 stops

$1,964United Airlines

Find Deal

Wed, 31 Dec - Wed, 14 Jan

19:06 - 09:15STL-MEL

22h 09m1 stop

10:55 - 18:22MEL-STL

22h 27m1 stop

$1,981United Airlines

Find Deal

Fri, 3 Apr - Sun, 19 Apr

19:06 - 09:15STL-MEL

22h 09m1 stop

10:55 - 18:22MEL-STL

22h 27m1 stop

$1,982United Airlines

Find Deal

Fri, 3 Apr - Sun, 19 Apr

Qantas Airways flights from St. Louis to Melbourne

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

Qantas Airways

2 Feb

STL07:04Lambert-St Louis

34h 21m

2 stops

MEL10:25Melbourne

14 Feb

MEL16:05Melbourne

20h 14m

1 stop

STL19:19Lambert-St Louis

$1,641

Find similar

Qantas Airways

2 Feb

STL07:04Lambert-St Louis

34h 21m

2 stops

MEL10:25Melbourne

14 Feb

MEL16:05Melbourne

20h 14m

1 stop

STL19:19Lambert-St Louis

$1,643

Find similar

Qantas Airways

2 Feb

STL11:55Lambert-St Louis

24h 05m

1 stop

MEL05:00Melbourne

14 Feb

MEL16:05Melbourne

20h 14m

1 stop

STL19:19Lambert-St Louis

$1,944

Find similar

United Airlines flights from St. Louis to Melbourne

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

United Airlines

31 Dec

STL14:45Lambert-St Louis

25h 45m

2 stops

MEL09:30Melbourne

14 Jan

MEL11:30Melbourne

26h 43m

2 stops

STL21:13Lambert-St Louis

$1,964

Find similar

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

$1,981

Find similar

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

$1,982

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 2/2

07:04-10:25

2 stops34h 21m

Melbourne

Sat 14/2

16:05-19:19

1 stop20h 14m

$1,641

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 2/2

07:04-10:25

2 stops34h 21m

Melbourne

Sat 14/2

16:05-19:19

1 stop20h 14m

$1,643

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

$1,799

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

$1,865

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

$1,944

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

$1,945

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 2/2

13:35-09:30

2 stops26h 55m

Melbourne

Sat 14/2

16:05-23:52

2 stops24h 47m

$1,951

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 31/12

14:45-09:30

2 stops25h 45m

Melbourne

Wed 14/1

11:30-21:13

2 stops26h 43m

$1,964

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

$1,981

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

$1,982

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 $2,079. 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 $2,153.

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 $2,125. Flights to Melbourne are more costly in the afternoon, with an average ticket price of $2,873. 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?
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 $2,025	Free cancellation	Rating 7.4 9,029 reviews		Search United Airlines flights

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

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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?

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