Cheap flights from St. Louis to Melbourne from $1,538

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 11/3. 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
16:13 - 05:00
STL
-
MEL
20h 47m1 stop
Qantas Airways Logo
12:15 - 23:59
MEL
-
STL
27h 44m2 stops
$1,538Qantas Airways
Wed, 11 Mar - Wed, 18 Mar
Qantas Airways Logo
06:38 - 09:30
STL
-
MEL
34h 52m1 stop
Qantas Airways Logo
12:00 - 23:59
MEL
-
STL
27h 59m1 stop
$1,669Qantas Airways
Wed, 11 Mar - Wed, 18 Mar
Qantas Airways Logo
06:38 - 09:30
STL
-
MEL
34h 52m1 stop
Qantas Airways Logo
12:00 - 23:59
MEL
-
STL
27h 59m1 stop
$1,671Qantas Airways
Wed, 11 Mar - Wed, 18 Mar
Delta Logo
17:59 - 07:00
STL
-
MEL
45h 01m2 stops
Delta Logo
09:10 - 17:05
MEL
-
STL
23h 55m2 stops
$1,744Delta
Sun, 8 Mar - Wed, 18 Mar
Qantas Airways Logo
06:38 - 10:25
STL
-
MEL
35h 47m2 stops
Qantas Airways Logo
16:05 - 19:29
MEL
-
STL
19h 24m1 stop
$1,751Qantas Airways
Wed, 11 Mar - Wed, 18 Mar
Qantas Airways Logo
16:13 - 05:00
STL
-
MEL
20h 47m1 stop
Qantas Airways Logo
16:05 - 19:29
MEL
-
STL
19h 24m1 stop
$1,768Qantas Airways
Mon, 9 Mar - Fri, 20 Mar
Qantas Airways Logo
16:13 - 05:00
STL
-
MEL
20h 47m1 stop
Qantas Airways Logo
16:05 - 19:29
MEL
-
STL
19h 24m1 stop
$1,769Qantas Airways
Mon, 9 Mar - Mon, 16 Mar
Qantas Airways Logo
06:38 - 09:30
STL
-
MEL
34h 52m1 stop
Qantas Airways Logo
12:00 - 23:59
MEL
-
STL
27h 59m1 stop
$1,774Qantas Airways
Tue, 10 Mar - Wed, 18 Mar
Qantas Airways Logo
18:50 - 05:00
STL
-
MEL
42h 10m1 stop
Qantas Airways Logo
12:00 - 23:59
MEL
-
STL
27h 59m1 stop
$1,780Qantas Airways
Sun, 8 Mar - Tue, 17 Mar
Delta Logo
12:28 - 08:50
STL
-
MEL
28h 22m2 stops
Delta Logo
10:00 - 23:12
MEL
-
STL
28h 12m2 stops
$1,819Delta
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
11 Mar
STL16:13Lambert-St Louis
20h 47m
1 stop
MEL05:00Melbourne
18 Mar
MEL12:15Melbourne
27h 44m
2 stops
STL23:59Lambert-St Louis
Qantas Airways
11 Mar
STL06:38Lambert-St Louis
34h 52m
1 stop
MEL09:30Melbourne
18 Mar
MEL12:00Melbourne
27h 59m
1 stop
STL23:59Lambert-St Louis
Qantas Airways
11 Mar
STL06:38Lambert-St Louis
34h 52m
1 stop
MEL09:30Melbourne
18 Mar
MEL12:00Melbourne
27h 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
8 Mar
STL17:59Lambert-St Louis
45h 01m
2 stops
MEL07:00Melbourne
18 Mar
MEL09:10Melbourne
23h 55m
2 stops
STL17:05Lambert-St Louis
Delta
3 Apr
STL12:28Lambert-St Louis
28h 22m
2 stops
MEL08:50Melbourne
19 Apr
MEL10:00Melbourne
28h 12m
2 stops
STL23:12Lambert-St Louis
Delta
13 Mar
STL12:04Lambert-St Louis
26h 56m
2 stops
MEL07:00Melbourne
20 Mar
MEL09:10Melbourne
31h 11m
2 stops
STL00:21Lambert-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 30 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

Wed 11/3

16:13-05:00

1 stop20h 47m

Melbourne

Wed 18/3

12:15-23:59

2 stops27h 44m

$1,538

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 11/3

06:38-09:30

1 stop34h 52m

Melbourne

Wed 18/3

12:00-23:59

1 stop27h 59m

$1,669

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 11/3

06:38-09:30

1 stop34h 52m

Melbourne

Wed 18/3

12:00-23:59

1 stop27h 59m

$1,671

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 8/3

17:59-07:00

2 stops45h 01m

Melbourne

Wed 18/3

09:10-17:05

2 stops23h 55m

$1,744

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 11/3

06:38-10:25

2 stops35h 47m

Melbourne

Wed 18/3

16:05-19:29

1 stop19h 24m

$1,751

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 9/3

16:13-05:00

1 stop20h 47m

Melbourne

Fri 20/3

16:05-19:29

1 stop19h 24m

$1,768

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 9/3

16:13-05:00

1 stop20h 47m

Melbourne

Mon 16/3

16:05-19:29

1 stop19h 24m

$1,769

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/3

06:38-09:30

1 stop34h 52m

Melbourne

Wed 18/3

12:00-23:59

1 stop27h 59m

$1,774

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 8/3

18:50-05:00

1 stop42h 10m

Melbourne

Tue 17/3

12:00-23:59

1 stop27h 59m

$1,780

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 3/4

12:28-08:50

2 stops28h 22m

Melbourne

Sun 19/4

10:00-23:12

2 stops28h 12m

$1,819

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 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 $2,003. 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 $2,009.

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

24h 00m

Direct flights

None
The fastest flight from St. Louis to Melbourne takes 24h 00m
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 24h 00m.

  • 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 $2,111Free cancellationRating
7.4
9,121 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
Thu 29/1
Thu 5/2

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