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Cheap flights from St. Louis to Melbourne from $997

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Melbourne departing on 1/31. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
5:04 pm - 8:20 am
STL
-
MEL
46h 16m2 stops
Qantas Airways Logo
12:00 pm - 11:48 pm
MEL
-
STL
28h 48m1 stop
$997Qantas Airways
Sat, Jan 31 - Sat, Feb 14
Multiple Airlines Logo
5:04 pm - 6:45 pm
STL
-
MEL
32h 41m2 stops
Multiple Airlines Logo
7:00 am - 7:19 pm
MEL
-
STL
29h 19m2 stops
$1,113Multiple Airlines
Sat, Jan 31 - Sat, Feb 14
Qantas Airways Logo
11:55 am - 5:00 am
STL
-
MEL
24h 05m1 stop
Qantas Airways Logo
4:05 pm - 7:19 pm
MEL
-
STL
20h 14m1 stop
$1,121Qantas Airways
Sat, Jan 31 - Sat, Feb 14
Qantas Airways Logo
6:50 pm - 6:00 am
STL
-
MEL
43h 10m1 stop
Qantas Airways Logo
9:45 am - 11:16 pm
MEL
-
STL
28h 31m1 stop
$1,168Qantas Airways
Fri, Apr 3 - Sun, Apr 19
Qantas Airways Logo
6:50 pm - 6:00 am
STL
-
MEL
43h 10m1 stop
Qantas Airways Logo
9:45 am - 11:16 pm
MEL
-
STL
28h 31m1 stop
$1,169Qantas Airways
Fri, Apr 3 - Sun, Apr 19
Qantas Airways Logo
11:55 am - 5:00 am
STL
-
MEL
24h 05m1 stop
Qantas Airways Logo
12:00 pm - 11:59 pm
MEL
-
STL
28h 59m1 stop
$1,184Qantas Airways
Mon, Jan 19 - Mon, Jan 26
American Airlines Logo
2:31 pm - 7:45 am
STL
-
MEL
25h 14m2 stops
American Airlines Logo
9:45 am - 7:03 pm
MEL
-
STL
24h 18m2 stops
$1,187American Airlines
Fri, Apr 3 - Sun, Apr 19
American Airlines Logo
11:47 am - 7:45 am
STL
-
MEL
27h 58m2 stops
American Airlines Logo
9:45 am - 7:03 pm
MEL
-
STL
24h 18m2 stops
$1,188American Airlines
Fri, Apr 3 - Sun, Apr 19
Qantas Airways Logo
7:04 am - 3:35 pm
STL
-
MEL
39h 31m2 stops
Qantas Airways Logo
12:00 pm - 11:59 pm
MEL
-
STL
28h 59m1 stop
$1,236Qantas Airways
Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
3:11 pm - 10:00 am
STL
-
MEL
25h 49m2 stops
United Airlines Logo
1:00 pm - 10:14 pm
MEL
-
STL
26h 14m3 stops
$1,260United Airlines
Sat, Jan 31 - Sat, Feb 14

Qantas Airways flights from St. Louis to Melbourne Airport

Our best Qantas Airways deals on St. Louis to Melbourne Airport flight tickets
Qantas Airways
Jan 31
STL5:04 pmLambert-St Louis
46h 16m
2 stops
MEL8:20 amMelbourne
Feb 14
MEL12:00 pmMelbourne
28h 48m
1 stop
STL11:48 pmLambert-St Louis
$997
Find similar
Qantas Airways
Jan 31
STL11:55 amLambert-St Louis
24h 05m
1 stop
MEL5:00 amMelbourne
Feb 14
MEL4:05 pmMelbourne
20h 14m
1 stop
STL7:19 pmLambert-St Louis
$1,121
Find similar
Qantas Airways
Apr 3
STL6:50 pmLambert-St Louis
43h 10m
1 stop
MEL6:00 amMelbourne
Apr 19
MEL9:45 amMelbourne
28h 31m
1 stop
STL11:16 pmLambert-St Louis
$1,168
Find similar

United Airlines flights from St. Louis to Melbourne Airport

Our best United Airlines deals on St. Louis to Melbourne Airport flight tickets
United Airlines
Jan 31
STL3:11 pmLambert-St Louis
25h 49m
2 stops
MEL10:00 amMelbourne
Feb 14
MEL1:00 pmMelbourne
26h 14m
3 stops
STL10:14 pmLambert-St Louis
$1,260
Find similar
United Airlines
Dec 31
STL9:55 amLambert-St Louis
31h 05m
2 stops
MEL10:00 amMelbourne
Jan 14
MEL1:00 pmMelbourne
26h 58m
2 stops
STL10:58 pmLambert-St Louis
$1,281
Find similar
United Airlines
Dec 31
STL8:05 amLambert-St Louis
32h 25m
2 stops
MEL9:30 amMelbourne
Jan 14
MEL1:00 pmMelbourne
25h 13m
2 stops
STL9:13 pmLambert-St Louis
$1,284
Find similar

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 December 7, 2025.
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

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 1/31

5:04 pm-8:20 am

2 stops46h 16m

Melbourne

Sat 2/14

12:00 pm-11:48 pm

1 stop28h 48m

$997

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 1/31

5:04 pm-6:45 pm

2 stops32h 41m

Melbourne

Sat 2/14

7:00 am-7:19 pm

2 stops29h 19m

$1,113

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 1/31

11:55 am-5:00 am

1 stop24h 05m

Melbourne

Sat 2/14

4:05 pm-7:19 pm

1 stop20h 14m

$1,121

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 4/3

6:50 pm-6:00 am

1 stop43h 10m

Melbourne

Sun 4/19

9:45 am-11:16 pm

1 stop28h 31m

$1,168

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 4/3

6:50 pm-6:00 am

1 stop43h 10m

Melbourne

Sun 4/19

9:45 am-11:16 pm

1 stop28h 31m

$1,169

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 1/19

11:55 am-5:00 am

1 stop24h 05m

Melbourne

Mon 1/26

12:00 pm-11:59 pm

1 stop28h 59m

$1,184

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 4/3

2:31 pm-7:45 am

2 stops25h 14m

Melbourne

Sun 4/19

9:45 am-7:03 pm

2 stops24h 18m

$1,187

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 4/3

11:47 am-7:45 am

2 stops27h 58m

Melbourne

Sun 4/19

9:45 am-7:03 pm

2 stops24h 18m

$1,188

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 1/24

7:04 am-3:35 pm

2 stops39h 31m

Melbourne

Sat 1/31

12:00 pm-11:59 pm

1 stop28h 59m

$1,236

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 1/31

3:11 pm-10:00 am

2 stops25h 49m

Melbourne

Sat 2/14

1:00 pm-10:14 pm

3 stops26h 14m

$1,260

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 cheapest month to fly to Melbourne Airport?

The month of January is, on average, the cheapest month to fly to Melbourne Airport from St. Louis, with most prices found around $1,343. The month of June is another great option to travel to Melbourne Airport, with average flight prices from St. Louis averaging around $1,347.

What is the cheapest day to depart on your flight to Melbourne Airport?

On average, the least expensive day to fly to Melbourne Airport from St. Louis is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,360. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Melbourne Airport for around $2,159.

What is the cheapest time of day to depart on your flight to Melbourne Airport?

According to our data, the cheapest time of day to fly to Melbourne Airport is at noon. momondo users have found flights departing from St. Louis to Melbourne Airport at noon for as low as $1,087. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $1,883. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 1% 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

21h 51m

Direct flights

None
The fastest flight from St. Louis to Melbourne Airport takes 21h 51m
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

  • 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 24h 05m.

  • 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
7.2
11,042 reviews
Search American Airlines flights
Fiji AirwaysPriceFrom $1,212Free CancellationRating
8.1
210 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $1,279Free CancellationRating
7.4
9,078 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,384Free CancellationRating
7.5
948 reviews
Search Qantas Airways flights

Traveling to a place near Melbourne?

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

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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