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

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

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

Prices for flights from Melbourne to Lambert-St Louis Airport were last updated today.

How many operators does momondo search for flights from Melbourne to Lambert-St Louis Airport?

As of September 2025, there are 2 operators available to choose from for flights from Melbourne to Lambert-St Louis Airport.

How old do you have to be to fly from Melbourne to Lambert-St Louis Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Melbourne to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$783 Cheap Flights from Melbourne to St. Louis in 2025/26

1 adult

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Find the cheapest flights from Melbourne to St. Louis

Round-trip

One-way

Cheap return flights

11:55 - 09:52MEL-STL

37h 57m2 stops

17:28 - 09:15STL-MEL

23h 47m2 stops

$1,267United Airlines

Find Deal

Mon, 13 Oct - Mon, 20 Oct

13:00 - 17:03MEL-STL

21h 03m1 stop

11:20 - 09:00STL-MEL

29h 40m2 stops

$1,466United Airlines

Find Deal

Fri, 6 Mar - Tue, 10 Mar

11:30 - 19:25MEL-STL

24h 55m2 stops

16:17 - 08:30STL-MEL

24h 13m2 stops

$1,469United Airlines

Find Deal

Fri, 6 Mar - Tue, 10 Mar

11:55 - 22:00MEL-STL

26h 05m2 stops

17:35 - 09:15STL-MEL

23h 40m1 stop

$1,555United Airlines

Find Deal

Mon, 13 Oct - Mon, 20 Oct

16:05 - 20:51MEL-STL

20h 46m1 stop

07:01 - 05:00STL-MEL

29h 59m1 stop

$1,559American Airlines

Find Deal

Mon, 13 Oct - Mon, 20 Oct

16:00 - 19:43MEL-STL

43h 43m3 stops

16:05 - 16:35STL-MEL

56h 30m3 stops

$1,798Multiple Airlines

Find Deal

Mon, 13 Oct - Mon, 20 Oct

16:05 - 22:21MEL-STL

23h 16m1 stop

11:58 - 05:00STL-MEL

24h 02m1 stop

$2,265American Airlines

Find Deal

Sat, 27 Dec - Wed, 14 Jan

00:45 - 17:56MEL-STL

34h 11m2 stops

17:59 - 23:00STL-MEL

37h 01m2 stops

$2,754Cathay Pacific

Find Deal

Thu, 5 Mar - Tue, 10 Mar

11:55 - 22:00MEL-STL

26h 05m2 stops

16:05 - 13:05STL-MEL

53h 00m3 stops

$3,057Multiple Airlines

Find Deal

Mon, 13 Oct - Mon, 20 Oct

00:45 - 23:49MEL-STL

39h 04m2 stops

19:41 - 23:15STL-MEL

35h 34m2 stops

$3,137Cathay Pacific

Find Deal

Sun, 12 Oct - Mon, 20 Oct

Cathay Pacific flights from Melbourne to St. Louis

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

Cathay Pacific

5 Mar

MEL00:45Melbourne

34h 11m

2 stops

STL17:56Lambert-St Louis

10 Mar

STL17:59Lambert-St Louis

37h 01m

2 stops

MEL23:00Melbourne

$2,754

Find similar

Cathay Pacific

12 Oct

MEL00:45Melbourne

39h 04m

2 stops

STL23:49Lambert-St Louis

20 Oct

STL19:41Lambert-St Louis

35h 34m

2 stops

MEL23:15Melbourne

$3,137

Find similar

Cathay Pacific

26 Dec

MEL00:45Melbourne

32h 56m

2 stops

STL16:41Lambert-St Louis

14 Jan

STL17:54Lambert-St Louis

44h 16m

2 stops

MEL07:10Melbourne

$4,448

Find similar

United Airlines flights from Melbourne to St. Louis

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

United Airlines

13 Oct

MEL11:55Melbourne

37h 57m

2 stops

STL09:52Lambert-St Louis

20 Oct

STL17:28Lambert-St Louis

23h 47m

2 stops

MEL09:15Melbourne

$1,267

Find similar

United Airlines

6 Mar

MEL13:00Melbourne

21h 03m

1 stop

STL17:03Lambert-St Louis

10 Mar

STL11:20Lambert-St Louis

29h 40m

2 stops

MEL09:00Melbourne

$1,466

Find similar

United Airlines

6 Mar

MEL11:30Melbourne

24h 55m

2 stops

STL19:25Lambert-St Louis

10 Mar

STL16:17Lambert-St Louis

24h 13m

2 stops

MEL08:30Melbourne

$1,469

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 13/10

11:55-09:52

2 stops37h 57m

Lambert-St Louis

Mon 20/10

17:28-09:15

2 stops23h 47m

$1,267

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

13:00-17:03

1 stop21h 03m

Lambert-St Louis

Tue 10/3

11:20-09:00

2 stops29h 40m

$1,466

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

11:30-19:25

2 stops24h 55m

Lambert-St Louis

Tue 10/3

16:17-08:30

2 stops24h 13m

$1,469

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 13/10

11:55-22:00

2 stops26h 05m

Lambert-St Louis

Mon 20/10

17:35-09:15

1 stop23h 40m

$1,555

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 13/10

16:05-20:51

1 stop20h 46m

Lambert-St Louis

Mon 20/10

07:01-05:00

1 stop29h 59m

$1,559

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 13/10

16:00-19:43

3 stops43h 43m

Lambert-St Louis

Mon 20/10

16:05-16:35

3 stops56h 30m

$1,798

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 27/12

16:05-22:21

1 stop23h 16m

Lambert-St Louis

Wed 14/1

11:58-05:00

1 stop24h 02m

$2,265

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/3

00:45-17:56

2 stops34h 11m

Lambert-St Louis

Tue 10/3

17:59-23:00

2 stops37h 01m

$2,754

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 13/10

11:55-22:00

2 stops26h 05m

Lambert-St Louis

Mon 20/10

16:05-13:05

3 stops53h 00m

$3,057

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sun 12/10

00:45-23:49

2 stops39h 04m

Lambert-St Louis

Mon 20/10

19:41-23:15

2 stops35h 34m

$3,137

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 Melbourne to St. Louis

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 St. Louis?

The month of January is, on average, the cheapest month to fly to St. Louis from Melbourne, with most prices found around $1,249. If you aren’t able to travel to St. Louis during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,561.

What is the cheapest day to depart on your flight to St. Louis?

According to our data, Thursday is the cheapest day to fly to St. Louis from Melbourne. The lowest ticket price found for a Thursday departure recently was $1,942. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Melbourne to St. Louis on a Tuesday will generally be more expensive and average around $2,595. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Melbourne in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,689 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $2,562 per ticket.

Cheap Melbourne to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Melbourne to St. Louis

Direct flights	None

There are no direct flights from Melbourne to St. Louis. There are no popular flight routes from Melbourne to St. Louis.

Search flight deals

How far is Melbourne to Lambert-St Louis by plane?
A flight from Melbourne to Lambert-St Louis will travel around 15259.6 km. 20h 46m is a normal flight duration for this route.
When did momondo last update prices for flights from Melbourne to Lambert-St Louis Airport?
Prices for flights from Melbourne to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Melbourne to Lambert-St Louis Airport?
As of September 2025, there are 2 operators available to choose from for flights from Melbourne to Lambert-St Louis Airport.
How old do you have to be to fly from Melbourne to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Melbourne to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Melbourne to St. Louis

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

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,228	Free cancellation	Rating 7.4 8,924 reviews		Search United Airlines flights
Air New Zealand	PriceFrom $1,465	Free cancellation	Rating 8.0 505 reviews		Search Air New Zealand flights

Chesterfield

Why use momondo?

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

It is quick and easy to find Melbourne to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

Flights from Melbourne to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Melbourne to St. Louis.

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

Of course. momondo tracks the price of Melbourne to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.