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Cheap flights from Melbourne Airport to St. Louis from $579

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 1/14. 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
11:30 am - 10:58 pm
MEL
-
STL
28h 28m2 stops
United Airlines Logo
2:45 pm - 9:30 am
STL
-
MEL
25h 45m2 stops
$1,221United Airlines
Wed, Jan 14 - Wed, Jan 21
Qantas Airways Logo
6:00 am - 2:43 pm
MEL
-
STL
25h 43m2 stops
Qantas Airways Logo
5:20 pm - 11:25 am
STL
-
MEL
25h 05m2 stops
$1,249Qantas Airways
Wed, Feb 4 - Sun, Feb 8
Qantas Airways Logo
6:00 am - 2:43 pm
MEL
-
STL
25h 43m2 stops
Qantas Airways Logo
5:20 pm - 1:35 pm
STL
-
MEL
27h 15m2 stops
$1,250Qantas Airways
Wed, Feb 4 - Sun, Feb 8
Qantas Airways Logo
6:00 am - 2:43 pm
MEL
-
STL
25h 43m2 stops
Qantas Airways Logo
5:20 pm - 7:45 pm
STL
-
MEL
33h 25m2 stops
$1,252Qantas Airways
Wed, Feb 4 - Sun, Feb 8
Qantas Airways Logo
4:05 pm - 7:29 pm
MEL
-
STL
20h 24m1 stop
Qantas Airways Logo
5:20 pm - 11:25 am
STL
-
MEL
25h 05m2 stops
$1,539Qantas Airways
Wed, Feb 4 - Sun, Feb 8
American Airlines Logo
12:00 pm - 8:51 am
MEL
-
STL
37h 51m2 stops
American Airlines Logo
5:20 pm - 5:00 am
STL
-
MEL
42h 40m1 stop
$1,541American Airlines
Wed, Feb 4 - Sun, Feb 8
American Airlines Logo
12:00 pm - 8:51 am
MEL
-
STL
37h 51m2 stops
American Airlines Logo
5:20 pm - 5:00 am
STL
-
MEL
42h 40m1 stop
$1,543American Airlines
Wed, Feb 4 - Sun, Feb 8
American Airlines Logo
4:05 pm - 7:29 pm
MEL
-
STL
20h 24m1 stop
American Airlines Logo
11:05 am - 5:00 am
STL
-
MEL
24h 55m2 stops
$1,812American Airlines
Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
6:00 am - 4:14 pm
MEL
-
STL
27h 14m2 stops
Multiple Airlines Logo
11:05 am - 10:20 am
STL
-
MEL
30h 15m3 stops
$2,275Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
Air Canada Logo
7:30 am - 3:29 pm
MEL
-
STL
48h 59m3 stops
Air Canada Logo
4:05 pm - 3:35 pm
STL
-
MEL
54h 30m3 stops
$2,749Air Canada
Wed, Jan 14 - Wed, Jan 21

Qantas Airways flights from Melbourne Airport to St. Louis

Our best Qantas Airways deals on Melbourne Airport to St. Louis flight tickets
Qantas Airways
Feb 4
MEL6:00 amMelbourne
25h 43m
2 stops
STL2:43 pmLambert-St Louis
Feb 8
STL5:20 pmLambert-St Louis
25h 05m
2 stops
MEL11:25 amMelbourne
$1,249
Find similar
Qantas Airways
Feb 4
MEL6:00 amMelbourne
25h 43m
2 stops
STL2:43 pmLambert-St Louis
Feb 8
STL5:20 pmLambert-St Louis
27h 15m
2 stops
MEL1:35 pmMelbourne
$1,250
Find similar
Qantas Airways
Feb 4
MEL6:00 amMelbourne
25h 43m
2 stops
STL2:43 pmLambert-St Louis
Feb 8
STL5:20 pmLambert-St Louis
33h 25m
2 stops
MEL7:45 pmMelbourne
$1,252
Find similar

American Airlines flights from Melbourne Airport to St. Louis

Our best American Airlines deals on Melbourne Airport to St. Louis flight tickets
American Airlines
Feb 4
MEL12:00 pmMelbourne
37h 51m
2 stops
STL8:51 amLambert-St Louis
Feb 8
STL5:20 pmLambert-St Louis
42h 40m
1 stop
MEL5:00 amMelbourne
$1,541
Find similar
American Airlines
Feb 4
MEL12:00 pmMelbourne
37h 51m
2 stops
STL8:51 amLambert-St Louis
Feb 8
STL5:20 pmLambert-St Louis
42h 40m
1 stop
MEL5:00 amMelbourne
$1,543
Find similar
American Airlines
Jan 14
MEL4:05 pmMelbourne
20h 24m
1 stop
STL7:29 pmLambert-St Louis
Jan 21
STL11:05 amLambert-St Louis
24h 55m
2 stops
MEL5:00 amMelbourne
$1,812
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 17, 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

Wed 1/14

11:30 am-10:58 pm

2 stops28h 28m

Lambert-St Louis

Wed 1/21

2:45 pm-9:30 am

2 stops25h 45m

$1,221

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 2/4

6:00 am-2:43 pm

2 stops25h 43m

Lambert-St Louis

Sun 2/8

5:20 pm-11:25 am

2 stops25h 05m

$1,249

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 2/4

6:00 am-2:43 pm

2 stops25h 43m

Lambert-St Louis

Sun 2/8

5:20 pm-1:35 pm

2 stops27h 15m

$1,250

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 2/4

6:00 am-2:43 pm

2 stops25h 43m

Lambert-St Louis

Sun 2/8

5:20 pm-7:45 pm

2 stops33h 25m

$1,252

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 2/4

4:05 pm-7:29 pm

1 stop20h 24m

Lambert-St Louis

Sun 2/8

5:20 pm-11:25 am

2 stops25h 05m

$1,539

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 2/4

12:00 pm-8:51 am

2 stops37h 51m

Lambert-St Louis

Sun 2/8

5:20 pm-5:00 am

1 stop42h 40m

$1,541

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 2/4

12:00 pm-8:51 am

2 stops37h 51m

Lambert-St Louis

Sun 2/8

5:20 pm-5:00 am

1 stop42h 40m

$1,543

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 1/14

4:05 pm-7:29 pm

1 stop20h 24m

Lambert-St Louis

Wed 1/21

11:05 am-5:00 am

2 stops24h 55m

$1,812

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 1/14

6:00 am-4:14 pm

2 stops27h 14m

Lambert-St Louis

Wed 1/21

11:05 am-10:20 am

3 stops30h 15m

$2,275

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 1/14

7:30 am-3:29 pm

3 stops48h 59m

Lambert-St Louis

Wed 1/21

4:05 pm-3:35 pm

3 stops54h 30m

$2,749

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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

25h 43m

Direct flights

None
The fastest flight from Melbourne Airport to St. Louis takes 25h 43m
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 25h 43m.

  • 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
9,092 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
Clayton
Festus
Glencoe
Farmington
Eureka
Edwardsville
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.

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