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Cheap flights from St. Louis to Melbourne from $1,711

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 3/4. 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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Find the cheapest flights from St. Louis to Melbourne

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
19:05 - 09:15
STL
-
MEL
22h 10m
1 stop
United Airlines Logo
10:55 - 18:24
MEL
-
STL
22h 29m
1 stop
$1,711United Airlines
Fri, 3 Apr - Sun, 19 Apr
United Airlines Logo
15:15 - 09:15
STL
-
MEL
26h 00m
2 stops
United Airlines Logo
09:30 - 16:56
MEL
-
STL
22h 26m
2 stops
$1,718United Airlines
Fri, 3 Apr - Sun, 19 Apr
United Airlines Logo
13:10 - 09:15
STL
-
MEL
28h 05m
2 stops
United Airlines Logo
10:55 - 05:50
MEL
-
STL
33h 55m
1 stop
$1,732United Airlines
Tue, 31 Mar - Mon, 13 Apr
American Airlines Logo
06:38 - 09:30
STL
-
MEL
34h 52m
1 stop
American Airlines Logo
12:00 - 23:58
MEL
-
STL
27h 58m
1 stop
$1,783American Airlines
Sun, 15 Mar - Sun, 22 Mar
Qantas Airways Logo
06:38 - 06:45
STL
-
MEL
32h 07m
1 stop
Qantas Airways Logo
09:45 - 23:57
MEL
-
STL
29h 12m
1 stop
$1,790Qantas Airways
Tue, 31 Mar - Sun, 12 Apr
American Airlines Logo
16:13 - 09:30
STL
-
MEL
25h 17m
2 stops
American Airlines Logo
12:00 - 23:58
MEL
-
STL
27h 58m
1 stop
$1,801American Airlines
Thu, 12 Mar - Sat, 21 Mar
American Airlines Logo
06:38 - 09:30
STL
-
MEL
34h 52m
1 stop
American Airlines Logo
12:00 - 23:58
MEL
-
STL
27h 58m
1 stop
$1,810American Airlines
Thu, 12 Mar - Sat, 21 Mar
American Airlines Logo
06:38 - 09:30
STL
-
MEL
34h 52m
1 stop
American Airlines Logo
16:55 - 23:58
MEL
-
STL
23h 03m
2 stops
$1,817American Airlines
Sun, 15 Mar - Sun, 22 Mar
United Airlines Logo
19:05 - 09:15
STL
-
MEL
22h 10m
1 stop
United Airlines Logo
10:55 - 18:24
MEL
-
STL
22h 29m
1 stop
$1,827United Airlines
Fri, 3 Apr - Sun, 19 Apr
United Airlines Logo
16:28 - 09:30
STL
-
MEL
24h 02m
2 stops
United Airlines Logo
12:00 - 22:25
MEL
-
STL
26h 25m
1 stop
$1,828United Airlines
Wed, 4 Mar - Mon, 9 Mar

Qantas Airways flights from St. Louis to Melbourne

Our best Qantas Airways deals on St. Louis to Melbourne flight tickets
Qantas Airways
20 Feb
STL18:50Lambert-St Louis
41h 10m
1 stop
MEL05:00Melbourne
27 Feb
MEL06:00Melbourne
26h 28m
2 stops
STL15:28Lambert-St Louis
$1,762
Qantas Airways
31 Mar
STL06:38Lambert-St Louis
32h 07m
1 stop
MEL06:45Melbourne
12 Apr
MEL09:45Melbourne
29h 12m
1 stop
STL23:57Lambert-St Louis
$1,790
Qantas Airways
20 Feb
STL18:50Lambert-St Louis
41h 10m
1 stop
MEL05:00Melbourne
27 Feb
MEL12:00Melbourne
28h 59m
1 stop
STL23:59Lambert-St Louis
$1,800

Fiji Airways flights from St. Louis to Melbourne

Our best Fiji Airways deals on St. Louis to Melbourne flight tickets
Fiji Airways
31 Mar
STL18:08Lambert-St Louis
33h 12m
2 stops
MEL19:20Melbourne
13 Apr
MEL07:30Melbourne
31h 27m
2 stops
STL23:57Lambert-St Louis
$1,906
Fiji Airways
12 Mar
STL18:50Lambert-St Louis
31h 55m
2 stops
MEL18:45Melbourne
21 Mar
MEL07:00Melbourne
32h 58m
2 stops
STL23:58Lambert-St Louis
$2,194

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 15 February 2026.
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

Fri 3/4

19:05-09:15

1 stop22h 10m

Melbourne

Sun 19/4

10:55-18:24

1 stop22h 29m

$1,711

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 3/4

15:15-09:15

2 stops26h 00m

Melbourne

Sun 19/4

09:30-16:56

2 stops22h 26m

$1,718

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 31/3

13:10-09:15

2 stops28h 05m

Melbourne

Mon 13/4

10:55-05:50

1 stop33h 55m

$1,732

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 15/3

06:38-09:30

1 stop34h 52m

Melbourne

Sun 22/3

12:00-23:58

1 stop27h 58m

$1,783

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 31/3

06:38-06:45

1 stop32h 07m

Melbourne

Sun 12/4

09:45-23:57

1 stop29h 12m

$1,790

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 12/3

16:13-09:30

2 stops25h 17m

Melbourne

Sat 21/3

12:00-23:58

1 stop27h 58m

$1,801

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 12/3

06:38-09:30

1 stop34h 52m

Melbourne

Sat 21/3

12:00-23:58

1 stop27h 58m

$1,810

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 15/3

06:38-09:30

1 stop34h 52m

Melbourne

Sun 22/3

16:55-23:58

2 stops23h 03m

$1,817

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

$1,827

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 4/3

16:28-09:30

2 stops24h 02m

Melbourne

Mon 9/3

12:00-22:25

1 stop26h 25m

$1,828

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, February 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 $1,821. If you aren’t able to travel to Melbourne during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,897.

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

22h 10m

Direct flights

None
The fastest flight from St. Louis to Melbourne takes 22h 10m
There are no direct flights from St. Louis to Melbourne. There are no popular flight routes from St. Louis to Melbourne.
Search flight deals

  • 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 22h 10m.

  • 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 $1,999Free cancellationRating
7.4
9,296 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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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
Melbourne Avalon Airport