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Cheap flights from Melbourne Airport to St. Louis from $580

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 Airport to St. Louis departing on 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Melbourne Airport to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:00 pm - 9:55 pm
MEL
-
STL
49h 55m2 stops
United Airlines Logo
6:35 pm - 10:00 am
STL
-
MEL
46h 25m2 stops
$875United Airlines
Fri, Dec 19 - Sat, Jan 3
United Airlines Logo
1:00 pm - 10:30 pm
MEL
-
STL
26h 30m1 stop
United Airlines Logo
10:30 am - 10:00 am
STL
-
MEL
30h 30m2 stops
$2,187United Airlines
Fri, Dec 19 - Sat, Jan 3
Multiple Airlines Logo
12:10 pm - 10:22 pm
MEL
-
STL
27h 12m3 stops
Multiple Airlines Logo
6:30 am - 9:25 am
STL
-
MEL
33h 55m3 stops
$2,866Multiple Airlines
Fri, Dec 19 - Sat, Jan 3
Multiple Airlines Logo
12:10 pm - 10:01 pm
MEL
-
STL
26h 51m2 stops
Multiple Airlines Logo
6:30 am - 9:25 am
STL
-
MEL
33h 55m3 stops
$2,922Multiple Airlines
Fri, Dec 19 - Sat, Jan 3
American Airlines Logo
4:05 pm - 7:30 pm
MEL
-
STL
20h 25m1 stop
American Airlines Logo
11:41 am - 5:00 am
STL
-
MEL
24h 19m1 stop
$2,969American Airlines
Fri, Dec 19 - Sat, Jan 3

United Airlines flights from Melbourne Airport to St. Louis

Our best United Airlines deals on Melbourne Airport to St. Louis flight tickets
United Airlines
Dec 19
MEL1:00 pmMelbourne
49h 55m
2 stops
STL9:55 pmLambert-St Louis
Jan 3
STL6:35 pmLambert-St Louis
46h 25m
2 stops
MEL10:00 amMelbourne
$875
Find similar
United Airlines
Dec 19
MEL1:00 pmMelbourne
26h 30m
1 stop
STL10:30 pmLambert-St Louis
Jan 3
STL10:30 amLambert-St Louis
30h 30m
2 stops
MEL10:00 amMelbourne
$2,187
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Melbourne Airport 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 832,500 searches. Data last updated December 9, 2025.
Use the filters below to find and compare flights from Melbourne Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 12/19

1:00 pm-9:55 pm

2 stops49h 55m

Lambert-St Louis

Sat 1/3

6:35 pm-10:00 am

2 stops46h 25m

$875

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 12/19

1:00 pm-10:30 pm

1 stop26h 30m

Lambert-St Louis

Sat 1/3

10:30 am-10:00 am

2 stops30h 30m

$2,187

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 12/19

12:10 pm-10:22 pm

3 stops27h 12m

Lambert-St Louis

Sat 1/3

6:30 am-9:25 am

3 stops33h 55m

$2,866

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 12/19

12:10 pm-10:01 pm

2 stops26h 51m

Lambert-St Louis

Sat 1/3

6:30 am-9:25 am

3 stops33h 55m

$2,922

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 12/19

4:05 pm-7:30 pm

1 stop20h 25m

Lambert-St Louis

Sat 1/3

11:41 am-5:00 am

1 stop24h 19m

$2,969

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 1/15

4:05 pm-4:14 pm

1 stop41h 09m

$580

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 1/14

10:10 am-9:35 pm

2 stops28h 25m

$584

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 1/14

10:10 am-9:35 pm

2 stops28h 25m

$585

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 1/14

12:00 pm-11:59 pm

1 stop28h 59m

$691

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 1/17

4:15 pm-1:54 pm

3 stops38h 39m

$693

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Melbourne Airport 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 cheapest month to fly to St. Louis?

In general, January is the cheapest month to fly from Melbourne Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $837. The month of February is another great option to travel to St. Louis, with average flight prices from Melbourne Airport averaging around $1,038.

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

Flying to St. Louis from Melbourne Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,447 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,691 per ticket.

Can stopping save me money on Melbourne Airport to St. Louis flights?

You could potentially save up to 14% on your flight if you consider stops on a Melbourne Airport to St. Louis flight.

When to book flights from Melbourne Airport to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Melbourne Airport to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Melbourne Airport to St. Louis (MEL to STL) flight deals and tips

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

Fastest flight time

34h 57m

Direct flights

None
The fastest flight from Melbourne Airport to St. Louis takes 34h 57m
There are no direct flights from Melbourne Airport to St. Louis. There are no popular flight routes from Melbourne Airport to St. Louis.
Search flight deals

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

    Melbourne and Lambert-St Louis are 9485.3 mi apart from one another. In terms of flight time, this usually takes a little over 20h 25m.

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

    Prices for flights from Melbourne Airport to Lambert-St Louis Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Melbourne Airport 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Melbourne Airport to Lambert-St Louis Airport.

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

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Melbourne Airport to St. Louis?

Best airlines flying from Melbourne Airport to St. Louis

Compare and see reviews for airlines that fly from Melbourne Airport to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $822Free CancellationRating
7.4
9,089 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
Fenton
Wentzville
St. Peters
Collinsville
Alton
Farmington
Festus
Clayton
Glencoe
Edwardsville
Eureka
Litchfield
Shrewsbury

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?

Yes. All flights to St. Louis from Melbourne on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Melbourne to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to St. Louis from Melbourne are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your St. Louis trip

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