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Cheap flights from St. Louis to Melbourne from $530

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 4/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
American Airlines Logo
1:11 pm - 6:45 am
STL
-
MEL
26h 34m
2 stops
American Airlines Logo
9:45 am - 11:08 pm
MEL
-
STL
28h 23m
1 stop
$1,166American Airlines
Fri, Jul 31 - Fri, Aug 7
Qantas Airways Logo
7:20 pm - 5:00 am
STL
-
MEL
42h 40m
1 stop
Qantas Airways Logo
9:45 am - 11:08 pm
MEL
-
STL
28h 23m
1 stop
$1,167Qantas Airways
Fri, Jul 31 - Fri, Aug 7
United Airlines Logo
1:10 pm - 8:15 am
STL
-
MEL
28h 05m
2 stops
United Airlines Logo
10:55 am - 6:24 pm
MEL
-
STL
22h 29m
1 stop
$1,177United Airlines
Tue, Apr 21 - Tue, Apr 28
American Airlines Logo
7:00 am - 6:00 am
STL
-
MEL
31h 00m
1 stop
American Airlines Logo
8:15 am - 5:21 pm
MEL
-
STL
24h 06m
2 stops
$1,192American Airlines
Fri, Apr 3 - Sun, Apr 19
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
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
Air Canada Logo
7:05 am - 11:05 am
STL
-
MEL
37h 00m
3 stops
Air Canada Logo
6:00 am - 12:06 pm
MEL
-
STL
45h 06m
3 stops
$1,245Air Canada
Fri, May 22 - Wed, Jun 3
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 - Mon, May 18

Air New Zealand flights from St. Louis to Melbourne

Our best Air New Zealand deals on St. Louis to Melbourne 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 18
MEL8:35 amMelbourne
36h 12m
2 stops
STL5:47 amLambert-St Louis
$1,246

Air Canada flights from St. Louis to Melbourne

Our best Air Canada deals on St. Louis to Melbourne flight tickets
Air Canada
May 22
STL7:05 amLambert-St Louis
37h 00m
3 stops
MEL11:05 amMelbourne
Jun 3
MEL6:00 amMelbourne
45h 06m
3 stops
STL12:06 pmLambert-St Louis
$1,245
Air Canada
Mar 16
STL4:05 pmLambert-St Louis
52h 30m
3 stops
MEL12:35 pmMelbourne
Mar 26
MEL7:15 amMelbourne
48h 14m
3 stops
STL3:29 pmLambert-St Louis
$4,874

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated March 11, 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

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

Fri 7/31

1:11 pm-6:45 am

2 stops26h 34m

Melbourne

Fri 8/7

9:45 am-11:08 pm

1 stop28h 23m

$1,166

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 7/31

7:20 pm-5:00 am

1 stop42h 40m

Melbourne

Fri 8/7

9:45 am-11:08 pm

1 stop28h 23m

$1,167
Quickest round-trip

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 4/21

1:10 pm-8:15 am

2 stops28h 05m

Melbourne

Tue 4/28

10:55 am-6:24 pm

1 stop22h 29m

$1,177

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 4/3

7:00 am-6:00 am

1 stop31h 00m

Melbourne

Sun 4/19

8:15 am-5:21 pm

2 stops24h 06m

$1,192

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

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

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

Fri 5/22

7:05 am-11:05 am

3 stops37h 00m

Melbourne

Wed 6/3

6:00 am-12:06 pm

3 stops45h 06m

$1,245

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 5/6

8:30 am-10:55 am

2 stops35h 25m

Melbourne

Mon 5/18

8:35 am-5:47 am

2 stops36h 12m

$1,246

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

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 $1,289. The month of January is another great option to travel to Melbourne, with average flight prices from St. Louis averaging around $1,343.

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

25h 25m

Direct flights

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

    There are 9481.9 mi between Lambert-St Louis and Melbourne. By plane, this route typically takes 25h 25m.

  • 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 are updated 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 layovers. 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 travel and health documents you'll need for your trip to Melbourne 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. It is always advisable to seek advice from your airline or a trusted 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
American AirlinesPriceFrom $1,118Free CancellationRating
7.1
11,422 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,155Free CancellationRating
7.5
1,003 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,289Free CancellationRating
7.4
9,415 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Melbourne from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Melbourne quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Melbourne from St. Louis with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Melbourne.

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

Of course. momondo tracks the price of St. Louis to Melbourne flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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 31.3 mi from Melbourne
Melbourne Avalon Airport