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Cheap flights from St. Louis to Melbourne from $649

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Melbourne departing on 5/29. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:43 pm - 6:45 am
STL
-
MEL
26h 02m
2 stops
American Airlines Logo
12:00 pm - 11:29 pm
MEL
-
STL
27h 29m
1 stop
$1,271American Airlines
Sun, Oct 18 - Sun, Nov 1
Qantas Airways Logo
6:30 am - 6:45 am
STL
-
MEL
32h 15m
1 stop
Qantas Airways Logo
12:00 pm - 5:40 pm
MEL
-
STL
21h 40m
1 stop
$1,273Qantas Airways
Sun, Oct 18 - Sun, Nov 1
United Airlines Logo
7:23 pm - 8:15 am
STL
-
MEL
21h 52m
1 stop
United Airlines Logo
9:30 am - 8:42 pm
MEL
-
STL
26h 12m
2 stops
$1,282United Airlines
Fri, Jun 12 - Fri, Jun 19
United Airlines Logo
7:23 pm - 8:15 am
STL
-
MEL
21h 52m
1 stop
United Airlines Logo
6:00 pm - 6:17 pm
MEL
-
STL
39h 17m
2 stops
$1,298United Airlines
Sun, Jun 7 - Sat, Jun 13
United Airlines Logo
9:06 am - 8:15 am
STL
-
MEL
32h 09m
2 stops
United Airlines Logo
6:00 pm - 6:17 pm
MEL
-
STL
39h 17m
2 stops
$1,303United Airlines
Sun, Jun 7 - Sat, Jun 13
United Airlines Logo
5:10 am - 8:15 am
STL
-
MEL
36h 05m
2 stops
United Airlines Logo
7:15 am - 3:46 pm
MEL
-
STL
47h 31m
3 stops
$1,319United Airlines
Thu, Jun 11 - Thu, Jun 18
American Airlines Logo
12:43 pm - 6:45 am
STL
-
MEL
26h 02m
2 stops
American Airlines Logo
12:00 pm - 8:29 pm
MEL
-
STL
24h 29m
2 stops
$1,434American Airlines
Sun, Oct 18 - Sun, Nov 1
American Airlines Logo
6:30 am - 6:45 am
STL
-
MEL
32h 15m
1 stop
American Airlines Logo
12:00 pm - 8:30 pm
MEL
-
STL
24h 30m
1 stop
$1,439American Airlines
Sun, Oct 18 - Sun, Nov 1
Multiple Airlines Logo
2:40 pm - 12:10 pm
STL
-
MEL
29h 30m
3 stops
Multiple Airlines Logo
7:25 am - 4:30 pm
MEL
-
STL
49h 05m
3 stops
$1,554Multiple Airlines
Sun, Oct 18 - Sun, Nov 1
Multiple Airlines Logo
2:15 pm - 11:20 am
STL
-
MEL
30h 05m
3 stops
Multiple Airlines Logo
6:00 am - 12:06 pm
MEL
-
STL
45h 06m
3 stops
$1,600Multiple Airlines
Sun, Jun 7 - Sat, Jun 13

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American Airlines flights from St. Louis to Melbourne Airport

Our best American Airlines deals on St. Louis to Melbourne Airport flight tickets
American Airlines
Oct 18
STL12:43 pmLambert-St Louis
26h 02m
2 stops
MEL6:45 amMelbourne
Nov 1
MEL12:00 pmMelbourne
27h 29m
1 stop
STL11:29 pmLambert-St Louis
$1,271
American Airlines
Oct 18
STL12:43 pmLambert-St Louis
26h 02m
2 stops
MEL6:45 amMelbourne
Nov 1
MEL12:00 pmMelbourne
24h 29m
2 stops
STL8:29 pmLambert-St Louis
$1,434
American Airlines
Oct 18
STL6:30 amLambert-St Louis
32h 15m
1 stop
MEL6:45 amMelbourne
Nov 1
MEL12:00 pmMelbourne
24h 30m
1 stop
STL8:30 pmLambert-St Louis
$1,439

Qantas Airways flights from St. Louis to Melbourne Airport

Our best Qantas Airways deals on St. Louis to Melbourne Airport flight tickets
Qantas Airways
Oct 18
STL6:30 amLambert-St Louis
32h 15m
1 stop
MEL6:45 amMelbourne
Nov 1
MEL12:00 pmMelbourne
21h 40m
1 stop
STL5:40 pmLambert-St Louis
$1,273
Qantas Airways
May 3
STL6:21 amLambert-St Louis
33h 24m
1 stop
MEL6:45 amMelbourne
May 9
MEL9:45 amMelbourne
29h 14m
1 stop
STL11:59 pmLambert-St Louis
$1,605
Qantas Airways
Aug 15
STL5:11 pmLambert-St Louis
20h 49m
1 stop
MEL5:00 amMelbourne
Aug 19
MEL1:35 pmMelbourne
19h 35m
1 stop
STL6:10 pmLambert-St Louis
$2,153

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Melbourne Airport 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 April 30, 2026.
Use the filters below to find and compare flights from St. Louis to Melbourne Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 10/18

12:43 pm-6:45 am

2 stops26h 02m

Melbourne

Sun 11/1

12:00 pm-11:29 pm

1 stop27h 29m

$1,271

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 10/18

6:30 am-6:45 am

1 stop32h 15m

Melbourne

Sun 11/1

12:00 pm-5:40 pm

1 stop21h 40m

$1,273
Quickest round-trip

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 6/12

7:23 pm-8:15 am

1 stop21h 52m

Melbourne

Fri 6/19

9:30 am-8:42 pm

2 stops26h 12m

$1,282

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 6/7

7:23 pm-8:15 am

1 stop21h 52m

Melbourne

Sat 6/13

6:00 pm-6:17 pm

2 stops39h 17m

$1,298

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 6/7

9:06 am-8:15 am

2 stops32h 09m

Melbourne

Sat 6/13

6:00 pm-6:17 pm

2 stops39h 17m

$1,303

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 6/11

5:10 am-8:15 am

2 stops36h 05m

Melbourne

Thu 6/18

7:15 am-3:46 pm

3 stops47h 31m

$1,319

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 10/18

12:43 pm-6:45 am

2 stops26h 02m

Melbourne

Sun 11/1

12:00 pm-8:29 pm

2 stops24h 29m

$1,434

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 10/18

6:30 am-6:45 am

1 stop32h 15m

Melbourne

Sun 11/1

12:00 pm-8:30 pm

1 stop24h 30m

$1,439

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 10/18

2:40 pm-12:10 pm

3 stops29h 30m

Melbourne

Sun 11/1

7:25 am-4:30 pm

3 stops49h 05m

$1,554

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 6/7

2:15 pm-11:20 am

3 stops30h 05m

Melbourne

Sat 6/13

6:00 am-12:06 pm

3 stops45h 06m

$1,600

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Melbourne from

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

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 St. Louis and Melbourne Airport?

What is the cheapest month to fly to Melbourne Airport?

The month of May is, on average, the cheapest month to fly to Melbourne Airport from St. Louis, with most prices found around $1,155. The month of February is another great option to travel to Melbourne Airport, with average flight prices from St. Louis averaging around $1,289.

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

You could potentially save up to 27% on your flight if you consider stops on a St. Louis to Melbourne Airport flight.

When to book flights from St. Louis to Melbourne Airport

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

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

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

Fastest flight time

26h 40m

Direct flights

None
The fastest flight from St. Louis to Melbourne Airport takes 26h 40m
There are no direct flights from St. Louis to Melbourne Airport. There are no popular flight routes from St. Louis to Melbourne Airport.
Search flight deals

Frequently asked questions about flying from St. Louis to Melbourne Airport

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

    There are 9485.3 mi between Lambert-St Louis and Melbourne. By plane, this route typically takes 26h 40m.

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

    Prices for flights from Lambert-St Louis Airport to Melbourne Airport are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Melbourne Airport.

  • What documentation or ID do you need to fly to Melbourne Airport?

    The travel and health documents you'll need for your trip to Melbourne 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 license and a passport that is valid for six months after your intended arrival at Melbourne Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from St. Louis to Melbourne Airport

Compare and see reviews for airlines that fly from St. Louis to Melbourne Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $1,118Free CancellationRating
7.1
11,684 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,155Free CancellationRating
7.5
1,028 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,289Free CancellationRating
7.4
9,678 reviews
Search United Airlines flights

Traveling to a place near Melbourne?

Book flights to Melbourne if you plan to visit one of these locations
Apollo Bay
Geelong
Tullamarine
Shepparton
Ballarat
Dandenong
Daylesford
Sorrento
Lorne
Torquay
St Kilda
Brighton
Doncaster
Mornington
Phillip Island

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Melbourne from St. Louis.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Melbourne from St. Louis.

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

Yes. momondo can track prices for St. Louis to Melbourne flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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