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Cheap flights from St. Louis to Melbourne from $543

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 4/16. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from St. Louis to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:11 pm - 7:20 pm
STL
-
MEL
34h 09m
2 stops
Multiple Airlines Logo
7:30 am - 10:57 pm
MEL
-
STL
30h 27m
2 stops
$1,134Multiple Airlines
Sat, Apr 25 - Sat, May 2
Multiple Airlines Logo
2:20 pm - 11:25 am
STL
-
MEL
30h 05m
3 stops
Multiple Airlines Logo
8:50 pm - 8:04 pm
MEL
-
STL
38h 14m
3 stops
$1,151Multiple Airlines
Thu, May 14 - Mon, May 18
Multiple Airlines Logo
2:20 pm - 11:35 am
STL
-
MEL
30h 15m
2 stops
Multiple Airlines Logo
8:30 pm - 8:04 pm
MEL
-
STL
38h 34m
2 stops
$1,165Multiple Airlines
Thu, May 14 - Mon, May 18
Air New Zealand Logo
10:09 am - 10:55 am
STL
-
MEL
33h 46m
2 stops
Air New Zealand Logo
8:35 am - 10:30 pm
MEL
-
STL
28h 55m
2 stops
$1,214Air New Zealand
Sun, Apr 19 - Sun, May 3
Multiple Airlines Logo
7:05 am - 11:35 am
STL
-
MEL
37h 30m
2 stops
Multiple Airlines Logo
6:00 am - 8:04 pm
MEL
-
STL
29h 04m
2 stops
$1,221Multiple Airlines
Tue, May 12 - Tue, May 19
Air New Zealand Logo
6:00 am - 10:55 am
STL
-
MEL
37h 55m
2 stops
Air New Zealand Logo
12:10 pm - 10:30 pm
MEL
-
STL
25h 20m
2 stops
$1,223Air New Zealand
Mon, Apr 27 - Wed, May 6
Qantas Airways Logo
6:21 am - 9:05 am
STL
-
MEL
35h 44m
2 stops
Qantas Airways Logo
1:35 pm - 7:30 pm
MEL
-
STL
20h 55m
1 stop
$1,232Qantas Airways
Tue, May 5 - Mon, May 18
Multiple Airlines Logo
2:20 pm - 11:35 am
STL
-
MEL
30h 15m
2 stops
Multiple Airlines Logo
6:00 am - 8:04 pm
MEL
-
STL
29h 04m
2 stops
$1,240Multiple Airlines
Tue, May 12 - Sun, May 17
Air New Zealand Logo
8:30 am - 10:55 am
STL
-
MEL
35h 25m
2 stops
Air New Zealand Logo
8:35 am - 5:47 am
MEL
-
STL
36h 12m
2 stops
$1,246Air New Zealand
Wed, May 6 - Wed, May 20
Air New Zealand Logo
10:09 am - 10:55 am
STL
-
MEL
33h 46m
2 stops
Air New Zealand Logo
12:10 pm - 10:28 pm
MEL
-
STL
25h 18m
2 stops
$1,262Air New Zealand
Wed, Apr 15 - Mon, Apr 27

Air New Zealand flights from St. Louis to Melbourne Airport

Our best Air New Zealand deals on St. Louis to Melbourne Airport flight tickets
Air New Zealand
Apr 19
STL10:09 amLambert-St Louis
33h 46m
2 stops
MEL10:55 amMelbourne
May 3
MEL8:35 amMelbourne
28h 55m
2 stops
STL10:30 pmLambert-St Louis
$1,214
Air New Zealand
Apr 27
STL6:00 amLambert-St Louis
37h 55m
2 stops
MEL10:55 amMelbourne
May 6
MEL12:10 pmMelbourne
25h 20m
2 stops
STL10:30 pmLambert-St Louis
$1,223
Air New Zealand
May 6
STL8:30 amLambert-St Louis
35h 25m
2 stops
MEL10:55 amMelbourne
May 20
MEL8:35 amMelbourne
36h 12m
2 stops
STL5:47 amLambert-St Louis
$1,246

Qantas Airways flights from St. Louis to Melbourne Airport

Our best Qantas Airways deals on St. Louis to Melbourne Airport flight tickets
Qantas Airways
May 5
STL6:21 amLambert-St Louis
35h 44m
2 stops
MEL9:05 amMelbourne
May 18
MEL1:35 pmMelbourne
20h 55m
1 stop
STL7:30 pmLambert-St Louis
$1,232
Qantas Airways
Apr 8
STL6:21 amLambert-St Louis
37h 09m
2 stops
MEL10:30 amMelbourne
Apr 15
MEL1:35 pmMelbourne
20h 55m
1 stop
STL7:30 pmLambert-St Louis
$1,384
Qantas Airways
May 16
STL3:38 pmLambert-St Louis
22h 22m
1 stop
MEL5:00 amMelbourne
Aug 10
MEL1:35 pmMelbourne
19h 54m
1 stop
STL6:29 pmLambert-St Louis
$1,388

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 March 13, 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

Sat 4/25

6:11 pm-7:20 pm

2 stops34h 09m

Melbourne

Sat 5/2

7:30 am-10:57 pm

2 stops30h 27m

$1,134

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 5/14

2:20 pm-11:25 am

3 stops30h 05m

Melbourne

Mon 5/18

8:50 pm-8:04 pm

3 stops38h 14m

$1,151

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 5/14

2:20 pm-11:35 am

2 stops30h 15m

Melbourne

Mon 5/18

8:30 pm-8:04 pm

2 stops38h 34m

$1,165

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 4/19

10:09 am-10:55 am

2 stops33h 46m

Melbourne

Sun 5/3

8:35 am-10:30 pm

2 stops28h 55m

$1,214

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 5/12

7:05 am-11:35 am

2 stops37h 30m

Melbourne

Tue 5/19

6:00 am-8:04 pm

2 stops29h 04m

$1,221

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 4/27

6:00 am-10:55 am

2 stops37h 55m

Melbourne

Wed 5/6

12:10 pm-10:30 pm

2 stops25h 20m

$1,223
Quickest round-trip

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 5/5

6:21 am-9:05 am

2 stops35h 44m

Melbourne

Mon 5/18

1:35 pm-7:30 pm

1 stop20h 55m

$1,232

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 5/12

2:20 pm-11:35 am

2 stops30h 15m

Melbourne

Sun 5/17

6:00 am-8:04 pm

2 stops29h 04m

$1,240

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 5/6

8:30 am-10:55 am

2 stops35h 25m

Melbourne

Wed 5/20

8:35 am-5:47 am

2 stops36h 12m

$1,246

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 4/15

10:09 am-10:55 am

2 stops33h 46m

Melbourne

Mon 4/27

12:10 pm-10:28 pm

2 stops25h 18m

$1,262

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 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 February is, on average, the cheapest month to fly to Melbourne Airport from St. Louis, with most prices found around $1,289. The month of January is another great option to travel to Melbourne Airport, with average flight prices from St. Louis averaging around $1,343.

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

25h 50m

Direct flights

None
The fastest flight from St. Louis to Melbourne Airport takes 25h 50m
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 25h 50m.

  • 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
11,449 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,155Free CancellationRating
7.5
1,004 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,289Free CancellationRating
7.4
9,419 reviews
Search United Airlines flights

Traveling to a place near Melbourne?

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