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Cheap flights from Melbourne Airport to St. Louis from $522

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 11/20. 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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0 bags

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Find the cheapest flights from Melbourne Airport to St. Louis

Cheap round-trip flights

United Airlines Logo
11:55 am - 9:52 amMEL-STL
37h 57m2 stops
United Airlines Logo
5:28 pm - 9:15 amSTL-MEL
23h 47m2 stops
$844United Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
United Airlines Logo
11:30 am - 5:14 pmMEL-STL
22h 44m2 stops
United Airlines Logo
3:15 pm - 9:00 amSTL-MEL
25h 45m2 stops
$977United Airlines
Find Deal
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
1:00 pm - 12:27 amMEL-STL
28h 27m1 stop
United Airlines Logo
7:00 pm - 9:00 amSTL-MEL
22h 00m1 stop
$979United Airlines
Find Deal
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
11:55 am - 10:00 pmMEL-STL
26h 05m2 stops
United Airlines Logo
5:35 pm - 9:15 amSTL-MEL
23h 40m1 stop
$1,036United Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
American Airlines Logo
4:05 pm - 8:51 pmMEL-STL
20h 46m1 stop
American Airlines Logo
7:01 am - 5:00 amSTL-MEL
29h 59m1 stop
$1,039American Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
Logo
4:00 pm - 7:43 pmMEL-STL
43h 43m3 stops
Logo
4:05 pm - 4:35 pmSTL-MEL
56h 30m3 stops
$1,198
Find Deal
Mon, Oct 13 - Mon, Oct 20
American Airlines Logo
4:05 pm - 10:21 pmMEL-STL
23h 16m1 stop
American Airlines Logo
11:58 am - 5:00 amSTL-MEL
24h 02m1 stop
$1,509American Airlines
Find Deal
Sat, Dec 27 - Wed, Jan 14
Cathay Pacific Logo
12:45 am - 5:56 pmMEL-STL
34h 11m2 stops
Cathay Pacific Logo
5:59 pm - 11:00 pmSTL-MEL
37h 01m2 stops
$1,835Cathay Pacific
Find Deal
Thu, Mar 5 - Tue, Mar 10
Logo
11:55 am - 10:00 pmMEL-STL
26h 05m2 stops
Logo
4:05 pm - 1:05 pmSTL-MEL
53h 00m3 stops
$2,037
Find Deal
Mon, Oct 13 - Mon, Oct 20
Cathay Pacific Logo
12:45 am - 11:49 pmMEL-STL
39h 04m2 stops
Cathay Pacific Logo
7:41 pm - 11:15 pmSTL-MEL
35h 34m2 stops
$2,090Cathay Pacific
Find Deal
Sun, Oct 12 - Mon, Oct 20

Cathay Pacific flights from Melbourne Airport to St. Louis

Our best Cathay Pacific deals on Melbourne Airport to St. Louis flight tickets
Cathay Pacific
Mar 5
MEL12:45 amMelbourne
34h 11m
2 stops
STL5:56 pmLambert-St Louis
Mar 10
STL5:59 pmLambert-St Louis
37h 01m
2 stops
MEL11:00 pmMelbourne
$1,835
Find similar
Cathay Pacific
Oct 12
MEL12:45 amMelbourne
39h 04m
2 stops
STL11:49 pmLambert-St Louis
Oct 20
STL7:41 pmLambert-St Louis
35h 34m
2 stops
MEL11:15 pmMelbourne
$2,090
Find similar
Cathay Pacific
Dec 26
MEL12:45 amMelbourne
32h 56m
2 stops
STL4:41 pmLambert-St Louis
Jan 14
STL5:54 pmLambert-St Louis
44h 16m
2 stops
MEL7:10 amMelbourne
$2,964
Find similar

United Airlines flights from Melbourne Airport to St. Louis

Our best United Airlines deals on Melbourne Airport to St. Louis flight tickets
United Airlines
Oct 13
MEL11:55 amMelbourne
37h 57m
2 stops
STL9:52 amLambert-St Louis
Oct 20
STL5:28 pmLambert-St Louis
23h 47m
2 stops
MEL9:15 amMelbourne
$844
Find similar
United Airlines
Mar 6
MEL11:30 amMelbourne
22h 44m
2 stops
STL5:14 pmLambert-St Louis
Mar 10
STL3:15 pmLambert-St Louis
25h 45m
2 stops
MEL9:00 amMelbourne
$977
Find similar
United Airlines
Mar 6
MEL11:30 amMelbourne
26h 34m
2 stops
STL9:04 pmLambert-St Louis
Mar 10
STL7:00 pmLambert-St Louis
22h 00m
1 stop
MEL9:00 amMelbourne
$979
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 September 16, 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

Mon 10/13

11:55 am-9:52 am

2 stops37h 57m

Lambert-St Louis

Mon 10/20

5:28 pm-9:15 am

2 stops23h 47m

$844

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 3/6

11:30 am-5:14 pm

2 stops22h 44m

Lambert-St Louis

Tue 3/10

3:15 pm-9:00 am

2 stops25h 45m

$977

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 3/6

1:00 pm-12:27 am

1 stop28h 27m

Lambert-St Louis

Tue 3/10

7:00 pm-9:00 am

1 stop22h 00m

$979

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 10/13

11:55 am-10:00 pm

2 stops26h 05m

Lambert-St Louis

Mon 10/20

5:35 pm-9:15 am

1 stop23h 40m

$1,036

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 10/13

4:05 pm-8:51 pm

1 stop20h 46m

Lambert-St Louis

Mon 10/20

7:01 am-5:00 am

1 stop29h 59m

$1,039

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 10/13

4:00 pm-7:43 pm

3 stops43h 43m

Lambert-St Louis

Mon 10/20

4:05 pm-4:35 pm

3 stops56h 30m

$1,198

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 12/27

4:05 pm-10:21 pm

1 stop23h 16m

Lambert-St Louis

Wed 1/14

11:58 am-5:00 am

1 stop24h 02m

$1,509

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 3/5

12:45 am-5:56 pm

2 stops34h 11m

Lambert-St Louis

Tue 3/10

5:59 pm-11:00 pm

2 stops37h 01m

$1,835

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 10/13

11:55 am-10:00 pm

2 stops26h 05m

Lambert-St Louis

Mon 10/20

4:05 pm-1:05 pm

3 stops53h 00m

$2,037

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sun 10/12

12:45 am-11:49 pm

2 stops39h 04m

Lambert-St Louis

Mon 10/20

7:41 pm-11:15 pm

2 stops35h 34m

$2,090

Flights are sorted by cheapest round-trip 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 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 $832. The month of February is another great option to travel to St. Louis, with average flight prices from Melbourne Airport averaging around $1,040.

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 46% 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

Direct flights

None
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 46m.

  • 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
8,929 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
Florissant
Maryland Heights
O'Fallon
Fenton
Collinsville
Wentzville
Alton
St. Peters
Farmington
Festus
Glencoe
Clayton
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.

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