Cheap flights from Melbourne to St. Louis from $891

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Melbourne to St. Louis departing on 15/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
10:10 - 18:04MEL-STL
24h 54m2 stops
Delta Logo
17:30 - 07:00STL-MEL
45h 30m2 stops
$1,709Delta
Find Deal
Fri, 6 Mar - Tue, 10 Mar
Delta Logo
10:10 - 18:04MEL-STL
24h 54m2 stops
Delta Logo
18:59 - 07:00STL-MEL
44h 01m2 stops
$1,712Delta
Find Deal
Fri, 6 Mar - Tue, 10 Mar
Delta Logo
10:10 - 23:29MEL-STL
30h 19m2 stops
Delta Logo
06:00 - 08:00STL-MEL
33h 00m2 stops
$2,232Delta
Find Deal
Wed, 10 Dec - Wed, 17 Dec
Qantas Airways Logo
16:05 - 19:29MEL-STL
20h 24m1 stop
Qantas Airways Logo
13:20 - 12:40STL-MEL
30h 20m2 stops
$2,548Qantas Airways
Find Deal
Wed, 10 Dec - Wed, 17 Dec
American Airlines Logo
12:00 - 23:08MEL-STL
28h 08m1 stop
American Airlines Logo
06:15 - 09:30STL-MEL
35h 15m1 stop
$2,567American Airlines
Find Deal
Fri, 6 Mar - Tue, 10 Mar
American Airlines Logo
12:00 - 23:48MEL-STL
28h 48m1 stop
American Airlines Logo
12:58 - 09:30STL-MEL
28h 32m2 stops
$2,571American Airlines
Find Deal
Fri, 6 Mar - Tue, 10 Mar
United Airlines Logo
13:00 - 22:13MEL-STL
26h 13m3 stops
United Airlines Logo
16:35 - 08:30STL-MEL
23h 55m2 stops
$2,585United Airlines
Find Deal
Fri, 6 Mar - Tue, 10 Mar
United Airlines Logo
13:00 - 22:13MEL-STL
26h 13m3 stops
United Airlines Logo
16:35 - 08:30STL-MEL
23h 55m2 stops
$2,588United Airlines
Find Deal
Fri, 6 Mar - Tue, 10 Mar
Cathay Pacific Logo
00:45 - 18:03MEL-STL
34h 18m2 stops
Cathay Pacific Logo
17:59 - 07:10STL-MEL
45h 11m2 stops
$2,679Cathay Pacific
Find Deal
Thu, 5 Mar - Tue, 10 Mar
Cathay Pacific Logo
00:45 - 17:56MEL-STL
34h 11m2 stops
Cathay Pacific Logo
17:59 - 07:10STL-MEL
45h 11m2 stops
$2,775Cathay Pacific
Find Deal
Thu, 5 Mar - Tue, 10 Mar

Delta flights from Melbourne to St. Louis

Our best Delta deals on Melbourne to St. Louis flight tickets
Delta
6 Mar
MEL10:10Melbourne
24h 54m
2 stops
STL18:04Lambert-St Louis
10 Mar
STL17:30Lambert-St Louis
45h 30m
2 stops
MEL07:00Melbourne
Delta
6 Mar
MEL10:10Melbourne
24h 54m
2 stops
STL18:04Lambert-St Louis
10 Mar
STL18:59Lambert-St Louis
44h 01m
2 stops
MEL07:00Melbourne
Delta
10 Dec
MEL10:10Melbourne
30h 19m
2 stops
STL23:29Lambert-St Louis
17 Dec
STL06:00Lambert-St Louis
33h 00m
2 stops
MEL08:00Melbourne

American Airlines flights from Melbourne to St. Louis

Our best American Airlines deals on Melbourne to St. Louis flight tickets
American Airlines
6 Mar
MEL12:00Melbourne
28h 08m
1 stop
STL23:08Lambert-St Louis
10 Mar
STL06:15Lambert-St Louis
35h 15m
1 stop
MEL09:30Melbourne
American Airlines
6 Mar
MEL12:00Melbourne
28h 48m
1 stop
STL23:48Lambert-St Louis
10 Mar
STL12:58Lambert-St Louis
28h 32m
2 stops
MEL09:30Melbourne
American Airlines
10 Dec
MEL16:05Melbourne
23h 42m
1 stop
STL22:47Lambert-St Louis
17 Dec
STL06:55Lambert-St Louis
33h 35m
1 stop
MEL09:30Melbourne

momondo Fare Finder

 
Customise your flight search to find flights from Melbourne to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 27 October 2025.
Use the filters below to find and compare flights from Melbourne to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

10:10-18:04

2 stops24h 54m

Lambert-St Louis

Tue 10/3

17:30-07:00

2 stops45h 30m

$1,709

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

10:10-18:04

2 stops24h 54m

Lambert-St Louis

Tue 10/3

18:59-07:00

2 stops44h 01m

$1,712

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 10/12

10:10-23:29

2 stops30h 19m

Lambert-St Louis

Wed 17/12

06:00-08:00

2 stops33h 00m

$2,232

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 10/12

16:05-19:29

1 stop20h 24m

Lambert-St Louis

Wed 17/12

13:20-12:40

2 stops30h 20m

$2,548

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

12:00-23:08

1 stop28h 08m

Lambert-St Louis

Tue 10/3

06:15-09:30

1 stop35h 15m

$2,567

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

12:00-23:48

1 stop28h 48m

Lambert-St Louis

Tue 10/3

12:58-09:30

2 stops28h 32m

$2,571

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

13:00-22:13

3 stops26h 13m

Lambert-St Louis

Tue 10/3

16:35-08:30

2 stops23h 55m

$2,585

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

13:00-22:13

3 stops26h 13m

Lambert-St Louis

Tue 10/3

16:35-08:30

2 stops23h 55m

$2,588

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/3

00:45-18:03

2 stops34h 18m

Lambert-St Louis

Tue 10/3

17:59-07:10

2 stops45h 11m

$2,679

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/3

00:45-17:56

2 stops34h 11m

Lambert-St Louis

Tue 10/3

17:59-07:10

2 stops45h 11m

$2,775

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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

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 $1,284. 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 $1,592.

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 $1,985. 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 $2,653. 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 $1,726 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 $2,619 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.
  • 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 24m 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?

  • 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 AirlinesPriceFrom $1,255Free cancellationRating
7.4
8,999 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,688Free cancellationRating
7.5
923 reviews
Search Qantas Airways flights

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
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.

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1 adult
Wed 26/11
Wed 3/12

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