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

United Airlines is the most popular carrier 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.

$1,053 Cheap Flights from St. Louis to Melbourne in 2025/26

Q: What is the typical price of a round-trip flight between St. Louis and Melbourne?

Prices are currently low for flights on this route. Typical prices usually range from $2,260 to $3,530. The lowest price recently found on this route was $1,434.

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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.

07:04 - 09:30

STL

MEL

33h 26m1 stop

06:45 - 23:48

MEL

STL

34h 03m2 stops

$1,434Qantas Airways

Thu, 5 Feb - Fri, 20 Feb

07:04 - 09:30

STL

MEL

33h 26m1 stop

06:45 - 23:59

MEL

STL

34h 14m2 stops

$1,663Qantas Airways

Thu, 29 Jan - Thu, 5 Feb

07:04 - 09:30

STL

MEL

33h 26m1 stop

12:00 - 23:48

MEL

STL

28h 48m1 stop

$1,733Qantas Airways

Thu, 5 Feb - Fri, 20 Feb

18:50 - 06:00

STL

MEL

43h 10m1 stop

09:45 - 23:16

MEL

STL

28h 31m1 stop

$1,756Qantas Airways

Fri, 3 Apr - Sun, 19 Apr

16:00 - 07:50

STL

MEL

24h 50m2 stops

10:00 - 23:38

MEL

STL

28h 38m2 stops

$1,757Delta

Mon, 20 Apr - Wed, 10 Jun

14:32 - 07:45

STL

MEL

25h 13m2 stops

09:45 - 18:17

MEL

STL

23h 32m2 stops

$1,788American Airlines

Fri, 3 Apr - Sun, 19 Apr

17:04 - 18:45

STL

MEL

32h 41m2 stops

07:00 - 19:29

MEL

STL

29h 29m2 stops

$1,840Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

11:55 - 09:30

STL

MEL

28h 35m2 stops

12:00 - 17:05

MEL

STL

22h 05m2 stops

$1,863American Airlines

Thu, 5 Feb - Fri, 20 Feb

16:35 - 09:30

STL

MEL

23h 55m2 stops

13:00 - 22:14

MEL

STL

26h 14m3 stops

$1,897United Airlines

Thu, 5 Feb - Fri, 20 Feb

14:45 - 09:30

STL

MEL

49h 45m2 stops

13:00 - 21:13

MEL

STL

25h 13m2 stops

$1,923United Airlines

Wed, 31 Dec - Wed, 14 Jan

Delta flights from St. Louis to Melbourne

Our best Delta deals on St. Louis to Melbourne flight tickets

Delta

20 Apr

STL16:00Lambert-St Louis

24h 50m

2 stops

MEL07:50Melbourne

10 June

MEL10:00Melbourne

28h 38m

2 stops

STL23:38Lambert-St Louis

$1,757

Find similar

Delta

23 Dec

STL17:59Lambert-St Louis

45h 01m

2 stops

MEL08:00Melbourne

31 Dec

MEL10:10Melbourne

30h 28m

2 stops

STL23:38Lambert-St Louis

$3,876

Find similar

Delta

21 Dec

STL14:18Lambert-St Louis

48h 42m

2 stops

MEL08:00Melbourne

31 Dec

MEL10:10Melbourne

40h 14m

2 stops

STL09:24Lambert-St Louis

$3,911

Find similar

United Airlines flights from St. Louis to Melbourne

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

United Airlines

5 Feb

STL16:35Lambert-St Louis

23h 55m

2 stops

MEL09:30Melbourne

20 Feb

MEL13:00Melbourne

26h 14m

3 stops

STL22:14Lambert-St Louis

$1,897

Find similar

United Airlines

31 Dec

STL14:45Lambert-St Louis

49h 45m

2 stops

MEL09:30Melbourne

14 Jan

MEL13:00Melbourne

25h 13m

2 stops

STL21:13Lambert-St Louis

$1,923

Find similar

United Airlines

31 Dec

STL14:45Lambert-St Louis

25h 45m

2 stops

MEL09:30Melbourne

14 Jan

MEL13:00Melbourne

41h 16m

2 stops

STL13:16Lambert-St Louis

$1,924

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 5/2

07:04-09:30

1 stop33h 26m

Melbourne

Fri 20/2

06:45-23:48

2 stops34h 03m

$1,434

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 29/1

07:04-09:30

1 stop33h 26m

Melbourne

Thu 5/2

06:45-23:59

2 stops34h 14m

$1,663

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 5/2

07:04-09:30

1 stop33h 26m

Melbourne

Fri 20/2

12:00-23:48

1 stop28h 48m

$1,733

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

$1,756

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 20/4

16:00-07:50

2 stops24h 50m

Melbourne

Wed 10/6

10:00-23:38

2 stops28h 38m

$1,757

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 3/4

14:32-07:45

2 stops25h 13m

Melbourne

Sun 19/4

09:45-18:17

2 stops23h 32m

$1,788

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 29/1

17:04-18:45

2 stops32h 41m

Melbourne

Thu 5/2

07:00-19:29

2 stops29h 29m

$1,840

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 5/2

11:55-09:30

2 stops28h 35m

Melbourne

Fri 20/2

12:00-17:05

2 stops22h 05m

$1,863

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 5/2

16:35-09:30

2 stops23h 55m

Melbourne

Fri 20/2

13:00-22:14

3 stops26h 14m

$1,897

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 31/12

14:45-09:30

2 stops49h 45m

Melbourne

Wed 14/1

13:00-21:13

2 stops25h 13m

$1,923

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 typical price of a round-trip flight between St. Louis and Melbourne?

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 $2,021. 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 $2,027.

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 $2,072. Flights to Melbourne are more costly in the afternoon, with an average ticket price of $2,803. 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	25h 45m
Direct flights	None

The fastest flight from St. Louis to Melbourne takes 25h 45m

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 25h 45m.
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 $2,129	Free cancellation	Rating 7.4 9,095 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.