Cheap flights from St. Louis to Melbourne from $958

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 8/11. 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.
United Airlines Logo
18:30 - 09:15STL-MEL
22h 45m1 stop
United Airlines Logo
10:55 - 17:03MEL-STL
21h 08m1 stop
$1,972United Airlines
Find Deal
Fri, 3 Apr - Sun, 19 Apr
United Airlines Logo
13:30 - 08:30STL-MEL
27h 00m2 stops
United Airlines Logo
09:30 - 19:25MEL-STL
24h 55m2 stops
$1,978United Airlines
Find Deal
Fri, 3 Apr - Sun, 19 Apr
Qantas Airways Logo
06:55 - 09:30STL-MEL
33h 35m1 stop
Qantas Airways Logo
16:05 - 16:14MEL-STL
41h 09m1 stop
$2,059Qantas Airways
Find Deal
Thu, 11 Dec - Thu, 15 Jan
Qantas Airways Logo
17:50 - 22:45STL-MEL
35h 55m2 stops
Qantas Airways Logo
12:00 - 23:57MEL-STL
28h 57m1 stop
$2,108Qantas Airways
Find Deal
Fri, 28 Nov - Fri, 5 Dec
Cathay Pacific Logo
07:00 - 23:00STL-MEL
47h 00m2 stops
Cathay Pacific Logo
00:45 - 13:43MEL-STL
53h 58m2 stops
$2,159Cathay Pacific
Find Deal
Thu, 20 Nov - Wed, 26 Nov
Cathay Pacific Logo
19:41 - 23:00STL-MEL
35h 19m2 stops
Cathay Pacific Logo
15:35 - 16:47MEL-STL
42h 12m2 stops
$2,205Cathay Pacific
Find Deal
Mon, 27 Oct - Tue, 18 Nov
Fiji Airways Logo
17:09 - 13:00STL-MEL
27h 51m2 stops
Fiji Airways Logo
14:15 - 19:30MEL-STL
22h 15m2 stops
$2,339Fiji Airways
Find Deal
Tue, 28 Oct - Thu, 20 Nov
Fiji Airways Logo
17:09 - 13:00STL-MEL
27h 51m2 stops
Fiji Airways Logo
14:15 - 19:30MEL-STL
22h 15m2 stops
$2,342Fiji Airways
Find Deal
Tue, 28 Oct - Thu, 20 Nov
Multiple Airlines Logo
16:17 - 11:50STL-MEL
27h 33m2 stops
Multiple Airlines Logo
08:35 - 20:59MEL-STL
27h 24m3 stops
$2,532Multiple Airlines
Find Deal
Fri, 3 Apr - Sun, 19 Apr
Multiple Airlines Logo
13:30 - 11:50STL-MEL
30h 20m3 stops
Multiple Airlines Logo
08:35 - 20:59MEL-STL
27h 24m3 stops
$2,538Multiple Airlines
Find Deal
Fri, 3 Apr - Sun, 19 Apr

United Airlines flights from St. Louis to Melbourne

Our best United Airlines deals on St. Louis to Melbourne flight tickets
United Airlines
3 Apr
STL18:30Lambert-St Louis
22h 45m
1 stop
MEL09:15Melbourne
19 Apr
MEL10:55Melbourne
21h 08m
1 stop
STL17:03Lambert-St Louis
United Airlines
3 Apr
STL18:30Lambert-St Louis
22h 45m
1 stop
MEL09:15Melbourne
19 Apr
MEL09:30Melbourne
27h 36m
2 stops
STL22:06Lambert-St Louis
United Airlines
3 Apr
STL13:27Lambert-St Louis
27h 03m
2 stops
MEL08:30Melbourne
19 Apr
MEL09:30Melbourne
21h 56m
2 stops
STL16:26Lambert-St Louis

Qantas Airways flights from St. Louis to Melbourne

Our best Qantas Airways deals on St. Louis to Melbourne flight tickets
Qantas Airways
11 Dec
STL06:55Lambert-St Louis
33h 35m
1 stop
MEL09:30Melbourne
15 Jan
MEL16:05Melbourne
41h 09m
1 stop
STL16:14Lambert-St Louis
Qantas Airways
28 Nov
STL17:50Lambert-St Louis
35h 55m
2 stops
MEL22:45Melbourne
5 Dec
MEL12:00Melbourne
28h 57m
1 stop
STL23:57Lambert-St Louis
Qantas Airways
25 Oct
STL06:39Lambert-St Louis
32h 06m
1 stop
MEL06:45Melbourne
20 Nov
MEL13:55Melbourne
39h 44m
2 stops
STL12:39Lambert-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 16 October 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

Fri 3/4

18:30-09:15

1 stop22h 45m

Melbourne

Sun 19/4

10:55-17:03

1 stop21h 08m

$1,972

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 3/4

13:30-08:30

2 stops27h 00m

Melbourne

Sun 19/4

09:30-19:25

2 stops24h 55m

$1,978

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 11/12

06:55-09:30

1 stop33h 35m

Melbourne

Thu 15/1

16:05-16:14

1 stop41h 09m

$2,059

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 28/11

17:50-22:45

2 stops35h 55m

Melbourne

Fri 5/12

12:00-23:57

1 stop28h 57m

$2,108

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 20/11

07:00-23:00

2 stops47h 00m

Melbourne

Wed 26/11

00:45-13:43

2 stops53h 58m

$2,159

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 27/10

19:41-23:00

2 stops35h 19m

Melbourne

Tue 18/11

15:35-16:47

2 stops42h 12m

$2,205

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 28/10

17:09-13:00

2 stops27h 51m

Melbourne

Thu 20/11

14:15-19:30

2 stops22h 15m

$2,339

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 28/10

17:09-13:00

2 stops27h 51m

Melbourne

Thu 20/11

14:15-19:30

2 stops22h 15m

$2,342

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 3/4

16:17-11:50

2 stops27h 33m

Melbourne

Sun 19/4

08:35-20:59

3 stops27h 24m

$2,532

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 3/4

13:30-11:50

3 stops30h 20m

Melbourne

Sun 19/4

08:35-20:59

3 stops27h 24m

$2,538

Flights are sorted by cheapest return 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

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, 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 $1,996. If you aren’t able to travel to Melbourne during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $2,194.

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 $2,115. Flights to Melbourne are more costly in the afternoon, with an average ticket price of $2,860. 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

Direct flights

None
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 22h 45m.

  • 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 $2,016Free cancellationRating
7.4
8,978 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
Sat 15/11
Sat 22/11

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