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

Qantas Airways and United Airlines 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 December 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.

$1,024 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.

18:50 - 06:00

STL

MEL

43h 10m1 stop

09:45 - 23:16

MEL

STL

28h 31m1 stop

$1,758Qantas Airways

Fri, 3 Apr - Sun, 19 Apr

10:07 - 06:00

STL

MEL

27h 53m2 stops

09:45 - 19:03

MEL

STL

24h 18m2 stops

$1,787American Airlines

Fri, 3 Apr - Sun, 19 Apr

06:30 - 09:30

STL

MEL

34h 00m2 stops

13:00 - 13:16

MEL

STL

41h 16m2 stops

$1,924United Airlines

Wed, 31 Dec - Wed, 14 Jan

17:04 - 18:45

STL

MEL

32h 41m2 stops

07:00 - 19:29

MEL

STL

29h 29m2 stops

$1,937Multiple Airlines

Thu, 15 Jan - Thu, 22 Jan

11:05 - 10:00

STL

MEL

29h 55m2 stops

13:00 - 22:00

MEL

STL

26h 00m2 stops

$1,942United Airlines

Fri, 2 Jan - Thu, 22 Jan

06:00 - 08:00

STL

MEL

33h 00m2 stops

10:10 - 23:25

MEL

STL

30h 15m2 stops

$1,952Delta

Wed, 31 Dec - Wed, 14 Jan

18:35 - 09:30

STL

MEL

45h 55m2 stops

11:30 - 16:55

MEL

STL

22h 25m2 stops

$1,966United Airlines

Mon, 5 Jan - Mon, 19 Jan

14:45 - 09:30

STL

MEL

25h 45m2 stops

13:00 - 16:55

MEL

STL

44h 55m2 stops

$2,063United Airlines

Wed, 31 Dec - Wed, 14 Jan

15:30 - 12:40

STL

MEL

28h 10m2 stops

12:00 - 23:59

MEL

STL

28h 59m1 stop

$2,074Qantas Airways

Wed, 31 Dec - Wed, 14 Jan

11:41 - 05:00

STL

MEL

24h 19m1 stop

16:05 - 19:29

MEL

STL

20h 24m1 stop

$2,104Qantas Airways

Fri, 2 Jan - Thu, 22 Jan

United Airlines flights from St. Louis to Melbourne

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

United Airlines

31 Dec

STL06:30Lambert-St Louis

34h 00m

2 stops

MEL09:30Melbourne

14 Jan

MEL13:00Melbourne

41h 16m

2 stops

STL13:16Lambert-St Louis

$1,924

Find similar

United Airlines

2 Jan

STL11:05Lambert-St Louis

29h 55m

2 stops

MEL10:00Melbourne

22 Jan

MEL13:00Melbourne

26h 00m

2 stops

STL22:00Lambert-St Louis

$1,942

Find similar

United Airlines

5 Jan

STL18:35Lambert-St Louis

45h 55m

2 stops

MEL09:30Melbourne

19 Jan

MEL11:30Melbourne

22h 25m

2 stops

STL16:55Lambert-St Louis

$1,966

Find similar

Qantas Airways flights from St. Louis to Melbourne

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

Qantas Airways

3 Apr

STL18:50Lambert-St Louis

43h 10m

1 stop

MEL06:00Melbourne

19 Apr

MEL09:45Melbourne

28h 31m

1 stop

STL23:16Lambert-St Louis

$1,758

Find similar

Qantas Airways

31 Dec

STL15:30Lambert-St Louis

28h 10m

2 stops

MEL12:40Melbourne

14 Jan

MEL12:00Melbourne

28h 59m

1 stop

STL23:59Lambert-St Louis

$2,074

Find similar

Qantas Airways

2 Jan

STL11:41Lambert-St Louis

24h 19m

1 stop

MEL05:00Melbourne

22 Jan

MEL16:05Melbourne

20h 24m

1 stop

STL19:29Lambert-St Louis

$2,104

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 3/4

18:50-06:00

1 stop43h 10m

Melbourne

Sun 19/4

09:45-23:16

1 stop28h 31m

$1,758

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 3/4

10:07-06:00

2 stops27h 53m

Melbourne

Sun 19/4

09:45-19:03

2 stops24h 18m

$1,787

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 31/12

06:30-09:30

2 stops34h 00m

Melbourne

Wed 14/1

13:00-13:16

2 stops41h 16m

$1,924

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 15/1

17:04-18:45

2 stops32h 41m

Melbourne

Thu 22/1

07:00-19:29

2 stops29h 29m

$1,937

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 2/1

11:05-10:00

2 stops29h 55m

Melbourne

Thu 22/1

13:00-22:00

2 stops26h 00m

$1,942

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 31/12

06:00-08:00

2 stops33h 00m

Melbourne

Wed 14/1

10:10-23:25

2 stops30h 15m

$1,952

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 5/1

18:35-09:30

2 stops45h 55m

Melbourne

Mon 19/1

11:30-16:55

2 stops22h 25m

$1,966

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 31/12

14:45-09:30

2 stops25h 45m

Melbourne

Wed 14/1

13:00-16:55

2 stops44h 55m

$2,063

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 31/12

15:30-12:40

2 stops28h 10m

Melbourne

Wed 14/1

12:00-23:59

1 stop28h 59m

$2,074

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 2/1

11:41-05:00

1 stop24h 19m

Melbourne

Thu 22/1

16:05-19:29

1 stop20h 24m

$2,104

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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, January 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 $2,020. If you aren’t able to travel to Melbourne during the month of January, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $2,026.

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 $2,071. Flights to Melbourne are more costly in the afternoon, with an average ticket price of $2,801. 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

Fastest flight time	32h 41m
Direct flights	None

The fastest flight from St. Louis to Melbourne takes 32h 41m

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 32h 41m.
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 December 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 $2,128	Free cancellation	Rating 7.4 9,095 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?

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.