Cheap flights from St. Louis to Melbourne from $1,595

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Melbourne departing on 1/2. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
07:04 - 15:35
STL
-
MEL
39h 31m2 stops
Qantas Airways Logo
12:00 - 23:48
MEL
-
STL
28h 48m1 stop
$1,595Qantas Airways
Sun, 1 Feb - Thu, 12 Feb
Qantas Airways Logo
15:54 - 15:35
STL
-
MEL
31h 41m2 stops
Qantas Airways Logo
09:45 - 23:59
MEL
-
STL
30h 14m1 stop
$1,645Qantas Airways
Sun, 22 Mar - Tue, 31 Mar
Multiple Airlines Logo
17:04 - 18:45
STL
-
MEL
32h 41m2 stops
Multiple Airlines Logo
07:00 - 19:25
MEL
-
STL
29h 25m2 stops
$1,767Multiple Airlines
Thu, 5 Feb - Thu, 12 Feb
Delta Logo
09:45 - 08:50
STL
-
MEL
31h 05m2 stops
Delta Logo
10:00 - 23:12
MEL
-
STL
28h 12m2 stops
$1,840Delta
Fri, 3 Apr - Sun, 19 Apr
Qantas Airways Logo
17:20 - 05:00
STL
-
MEL
42h 40m1 stop
Qantas Airways Logo
12:00 - 23:48
MEL
-
STL
28h 48m1 stop
$1,881Qantas Airways
Sun, 1 Feb - Thu, 12 Feb
Qantas Airways Logo
07:04 - 15:35
STL
-
MEL
39h 31m2 stops
Qantas Airways Logo
06:45 - 23:48
MEL
-
STL
34h 03m2 stops
$1,882Qantas Airways
Sun, 1 Feb - Thu, 12 Feb
American Airlines Logo
09:25 - 05:00
STL
-
MEL
26h 35m1 stop
American Airlines Logo
12:00 - 17:05
MEL
-
STL
22h 05m2 stops
$1,894American Airlines
Sat, 31 Jan - Mon, 16 Feb
American Airlines Logo
15:54 - 09:30
STL
-
MEL
25h 36m2 stops
American Airlines Logo
09:45 - 19:29
MEL
-
STL
25h 44m2 stops
$1,917American Airlines
Sun, 22 Mar - Tue, 31 Mar
United Airlines Logo
13:15 - 10:00
STL
-
MEL
27h 45m2 stops
United Airlines Logo
11:30 - 16:58
MEL
-
STL
22h 28m2 stops
$1,929United Airlines
Sat, 31 Jan - Mon, 16 Feb
United Airlines Logo
19:05 - 09:15
STL
-
MEL
22h 10m1 stop
United Airlines Logo
10:55 - 18:24
MEL
-
STL
22h 29m1 stop
$1,944United Airlines
Fri, 3 Apr - Sun, 19 Apr

Qantas Airways flights from St. Louis to Melbourne

Our best Qantas Airways deals on St. Louis to Melbourne flight tickets
Qantas Airways
1 Feb
STL07:04Lambert-St Louis
39h 31m
2 stops
MEL15:35Melbourne
12 Feb
MEL12:00Melbourne
28h 48m
1 stop
STL23:48Lambert-St Louis
Qantas Airways
22 Mar
STL15:54Lambert-St Louis
31h 41m
2 stops
MEL15:35Melbourne
31 Mar
MEL09:45Melbourne
30h 14m
1 stop
STL23:59Lambert-St Louis
Qantas Airways
31 Dec
STL15:30Lambert-St Louis
47h 50m
2 stops
MEL08:20Melbourne
14 Jan
MEL12:00Melbourne
28h 59m
1 stop
STL23:59Lambert-St Louis

Delta flights from St. Louis to Melbourne

Our best Delta deals on St. Louis to Melbourne flight tickets
Delta
3 Apr
STL09:45Lambert-St Louis
31h 05m
2 stops
MEL08:50Melbourne
19 Apr
MEL10:00Melbourne
28h 12m
2 stops
STL23:12Lambert-St Louis
Delta
31 Dec
STL06:00Lambert-St Louis
33h 00m
2 stops
MEL08:00Melbourne
14 Jan
MEL10:10Melbourne
30h 15m
3 stops
STL23:25Lambert-St Louis

momondo Fare Finder

 
Customise your flight search to find flights from St. Louis to Melbourne 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 78,305 searches. Data last updated 22 December 2025.
Use the filters below to find and compare flights from St. Louis to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 1/2

07:04-15:35

2 stops39h 31m

Melbourne

Thu 12/2

12:00-23:48

1 stop28h 48m

$1,595

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 22/3

15:54-15:35

2 stops31h 41m

Melbourne

Tue 31/3

09:45-23:59

1 stop30h 14m

$1,645

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 5/2

17:04-18:45

2 stops32h 41m

Melbourne

Thu 12/2

07:00-19:25

2 stops29h 25m

$1,767

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 3/4

09:45-08:50

2 stops31h 05m

Melbourne

Sun 19/4

10:00-23:12

2 stops28h 12m

$1,840

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 1/2

17:20-05:00

1 stop42h 40m

Melbourne

Thu 12/2

12:00-23:48

1 stop28h 48m

$1,881

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 1/2

07:04-15:35

2 stops39h 31m

Melbourne

Thu 12/2

06:45-23:48

2 stops34h 03m

$1,882

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 31/1

09:25-05:00

1 stop26h 35m

Melbourne

Mon 16/2

12:00-17:05

2 stops22h 05m

$1,894

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 22/3

15:54-09:30

2 stops25h 36m

Melbourne

Tue 31/3

09:45-19:29

2 stops25h 44m

$1,917

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 31/1

13:15-10:00

2 stops27h 45m

Melbourne

Mon 16/2

11:30-16:58

2 stops22h 28m

$1,929

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 3/4

19:05-09:15

1 stop22h 10m

Melbourne

Sun 19/4

10:55-18:24

1 stop22h 29m

$1,944

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Melbourne from

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

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?

What is the cheapest month to fly to Melbourne?

In general, January is the cheapest month to fly from St. Louis to Melbourne. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $2,030. If you aren’t able to travel to Melbourne during the month of January, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $2,036.

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

Our most recent data shows that the best time of day to fly to Melbourne is in the morning. Flights from St. Louis to Melbourne during this time can be as low as $2,082. Flights to Melbourne are more costly in the afternoon, with an average ticket price of $2,816. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap St. Louis to Melbourne flight deals and tips

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

Fastest flight time

23h 41m

Direct flights

None
The fastest flight from St. Louis to Melbourne takes 23h 41m
There are no direct flights from St. Louis to Melbourne. There are no popular flight routes from St. Louis to Melbourne.
  • How far is Lambert-St Louis to Melbourne by plane?

    Lambert-St Louis and Melbourne are 15259.6 km apart from one another. A reasonable flight in good conditions will take 23h 41m.

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

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

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

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

    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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Melbourne.

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

    The required travel and health documents for your Melbourne trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Melbourne. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from St. Louis to Melbourne

Compare and see reviews for airlines that fly from St. Louis to Melbourne with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $2,139Free cancellationRating
7.4
9,102 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Melbourne for you.

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

Yes. momondo allows you to filter the results for St. Louis to Melbourne flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between St. Louis and Melbourne by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from St. Louis to Melbourne now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Melbourne and let you know when they change.

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1 adult
Wed 21/1
Wed 28/1

Find better results for your trip to Australia

Fly into one of these airports located in Melbourne

Airports listed have a maximum distance of 50.4 km from Melbourne