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

American Airlines 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 August 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.

$1,072 Cheap Flights from St. Louis to Melbourne in 2025

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 $2,113 to $2,485. The lowest price recently found on this route was $1,939.

1 adult

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Find the cheapest flights from St. Louis to Melbourne

Round-trip

One-way

Cheap return flights

15:59 - 09:30STL-MEL

24h 31m2 stops

12:00 - 23:42MEL-STL

28h 42m1 stop

$1,939American Airlines

Find Deal

Tue, 18 Nov - Tue, 25 Nov

07:00 - 09:30STL-MEL

33h 30m1 stop

12:00 - 23:42MEL-STL

28h 42m1 stop

$1,953American Airlines

Find Deal

Tue, 18 Nov - Tue, 25 Nov

09:44 - 05:00STL-MEL

28h 16m1 stop

09:45 - 22:59MEL-STL

28h 14m1 stop

$1,961American Airlines

Find Deal

Fri, 19 Sep - Sat, 27 Sep

07:00 - 10:25STL-MEL

34h 25m2 stops

18:30 - 16:40MEL-STL

39h 10m2 stops

$2,033Qantas Airways

Find Deal

Wed, 19 Nov - Tue, 25 Nov

07:00 - 10:25STL-MEL

34h 25m2 stops

18:30 - 11:44MEL-STL

34h 14m2 stops

$2,036Qantas Airways

Find Deal

Tue, 18 Nov - Thu, 27 Nov

16:05 - 12:40STL-MEL

51h 35m3 stops

08:00 - 15:29MEL-STL

48h 29m3 stops

$2,095

Find Deal

Tue, 18 Nov - Tue, 25 Nov

09:15 - 11:05STL-MEL

34h 50m3 stops

06:00 - 15:18MEL-STL

48h 18m3 stops

$2,160Air Canada

Find Deal

Sun, 21 Sep - Tue, 30 Sep

06:20 - 13:45STL-MEL

40h 25m2 stops

06:00 - 15:18MEL-STL

48h 18m3 stops

$2,173

Find Deal

Sun, 21 Sep - Tue, 30 Sep

16:43 - 10:00STL-MEL

24h 17m2 stops

13:00 - 22:45MEL-STL

26h 45m2 stops

$2,240United Airlines

Find Deal

Sun, 16 Nov - Mon, 24 Nov

17:29 - 10:00STL-MEL

23h 31m1 stop

13:00 - 16:27MEL-STL

20h 27m1 stop

$2,318United Airlines

Find Deal

Sat, 15 Nov - Wed, 26 Nov

Cathay Pacific flights from St. Louis to Melbourne

Our best Cathay Pacific deals on St. Louis to Melbourne flight tickets

Cathay Pacific

18 Nov

STL17:58Lambert-St Louis

36h 02m

2 stops

MEL23:00Melbourne

24 Nov

MEL00:45Melbourne

38h 44m

2 stops

STL22:29Lambert-St Louis

$2,221

Find similar

Cathay Pacific

13 Nov

STL08:40Lambert-St Louis

34h 50m

2 stops

MEL12:30Melbourne

17 Nov

MEL08:40Melbourne

32h 02m

2 stops

STL23:42Lambert-St Louis

$2,279

Find similar

American Airlines flights from St. Louis to Melbourne

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

American Airlines

18 Nov

STL15:59Lambert-St Louis

24h 31m

2 stops

MEL09:30Melbourne

25 Nov

MEL12:00Melbourne

28h 42m

1 stop

STL23:42Lambert-St Louis

$1,939

Find similar

American Airlines

18 Nov

STL07:00Lambert-St Louis

33h 30m

1 stop

MEL09:30Melbourne

25 Nov

MEL12:00Melbourne

28h 42m

1 stop

STL23:42Lambert-St Louis

$1,953

Find similar

American Airlines

19 Sept

STL09:44Lambert-St Louis

28h 16m

1 stop

MEL05:00Melbourne

27 Sept

MEL09:45Melbourne

28h 14m

1 stop

STL22:59Lambert-St Louis

$1,961

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 18/11

15:59-09:30

2 stops24h 31m

Melbourne

Tue 25/11

12:00-23:42

1 stop28h 42m

$1,939

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 18/11

07:00-09:30

1 stop33h 30m

Melbourne

Tue 25/11

12:00-23:42

1 stop28h 42m

$1,953

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 19/9

09:44-05:00

1 stop28h 16m

Melbourne

Sat 27/9

09:45-22:59

1 stop28h 14m

$1,961

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 19/11

07:00-10:25

2 stops34h 25m

Melbourne

Tue 25/11

18:30-16:40

2 stops39h 10m

$2,033

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 18/11

07:00-10:25

2 stops34h 25m

Melbourne

Thu 27/11

18:30-11:44

2 stops34h 14m

$2,036

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 18/11

16:05-12:40

3 stops51h 35m

Melbourne

Tue 25/11

08:00-15:29

3 stops48h 29m

$2,095

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 21/9

09:15-11:05

3 stops34h 50m

Melbourne

Tue 30/9

06:00-15:18

3 stops48h 18m

$2,160

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 21/9

06:20-13:45

2 stops40h 25m

Melbourne

Tue 30/9

06:00-15:18

3 stops48h 18m

$2,173

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 16/11

16:43-10:00

2 stops24h 17m

Melbourne

Mon 24/11

13:00-22:45

2 stops26h 45m

$2,240

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 15/11

17:29-10:00

1 stop23h 31m

Melbourne

Wed 26/11

13:00-16:27

1 stop20h 27m

$2,318

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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, 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 $2,023. If you aren’t able to travel to Melbourne during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $2,055.

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 $2,144. Flights to Melbourne are more costly in the afternoon, with an average ticket price of $2,899. 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 40m.
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 August 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 $2,044	Free cancellation	Rating 7.4 8,930 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.

An easier way to manage your Melbourne trip

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Find better results for your trip to Australia

Fly into one of these airports located in Melbourne

Melbourne Avalon Airport

Popular Cities in Australia

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Cheap flights from St. Louis to Melbourne from $1,072

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 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from St. Louis to Melbourne

Cheap return flights

Cheap one-way flights

Cathay Pacific flights from St. Louis to Melbourne

Our best Cathay Pacific deals on St. Louis to Melbourne flight tickets

American Airlines flights from St. Louis to Melbourne

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

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to Melbourne that are best for you.

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?

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

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

American Airlines and United Airlines are the most popular carriers operating from Lambert-St Louis to Melbourne

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

How far is Lambert-St Louis to Melbourne by plane?

When did momondo last update prices for flights from Lambert-St Louis Airport to Melbourne?

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?

What documentation or ID do you need to fly to Melbourne?

Best airlines flying from St. Louis to Melbourne

Compare and see reviews for airlines that fly from St. Louis to Melbourne with momondo

Why use momondo?

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

Can I find flights from St. Louis to Melbourne with flexible booking policies on momondo?

How can momondo help me find flights from St. Louis to Melbourne?

I’m not ready to book a flight from St. Louis to Melbourne right now. Can momondo alert me if prices change?

An easier way to manage your Melbourne trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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