Latest deals
Insights
FAQs
Price Alerts

Cheap flights from St. Louis to Melbourne from $858

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 14/10. 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
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Melbourne

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
05:40 - 05:00STL  Lambert-St Louis-MEL Melbourne
31h 20m1 stop Dallas/Fort Worth
American Airlines Logo
22:45 - 08:07MEL  Melbourne-STL Lambert-St Louis
26h 22m2 stops Los Angeles Los Angeles Charlotte Douglas
$1,616American Airlines
Tue, 27 Oct - Wed, 11 Nov
Delta Logo
19:20 - 08:50STL  Lambert-St Louis-MEL Melbourne
45h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles
Delta Logo
10:10 - 21:09MEL  Melbourne-STL Lambert-St Louis
27h 59m2 stops Los Angeles Los Angeles Salt Lake City
$1,641Delta
Tue, 20 Oct - Tue, 3 Nov
American Airlines Logo
12:47 - 10:35STL  Lambert-St Louis-MEL Melbourne
29h 48m2 stops Dallas/Fort Worth Sydney Kingsford Smith
American Airlines Logo
12:00 - 21:59MEL  Melbourne-STL Lambert-St Louis
26h 59m1 stop Dallas/Fort Worth
$1,662American Airlines
Tue, 20 Oct - Tue, 3 Nov
American Airlines Logo
17:00 - 12:40STL  Lambert-St Louis-MEL Melbourne
28h 40m2 stops Dallas/Fort Worth Sydney Kingsford Smith
American Airlines Logo
15:25 - 23:46MEL  Melbourne-STL Lambert-St Louis
24h 21m2 stops Sydney Kingsford Smith Los Angeles Los Angeles
$1,704American Airlines
Tue, 29 Sep - Tue, 6 Oct
American Airlines Logo
05:40 - 05:00STL  Lambert-St Louis-MEL Melbourne
31h 20m1 stop Dallas/Fort Worth
American Airlines Logo
22:45 - 08:07MEL  Melbourne-STL Lambert-St Louis
26h 22m2 stops Los Angeles Los Angeles Charlotte Douglas
$1,755American Airlines
Tue, 27 Oct - Wed, 11 Nov
American Airlines Logo
05:40 - 05:00STL  Lambert-St Louis-MEL Melbourne
31h 20m1 stop Dallas/Fort Worth
American Airlines Logo
22:45 - 08:07MEL  Melbourne-STL Lambert-St Louis
26h 22m2 stops Los Angeles Los Angeles Charlotte Douglas
$1,757American Airlines
Tue, 27 Oct - Wed, 11 Nov
Air New Zealand Logo
11:10 - 10:55STL  Lambert-St Louis-MEL Melbourne
31h 45m2 stops Houston George Bush Intcntl Auckland Intl
Air New Zealand Logo
08:15 - 22:26MEL  Melbourne-STL Lambert-St Louis
31h 11m2 stops Auckland Intl Houston George Bush Intcntl
$1,767Air New Zealand
Tue, 20 Oct - Tue, 3 Nov
Delta Logo
14:25 - 07:50STL  Lambert-St Louis-MEL Melbourne
26h 25m2 stops Salt Lake City Los Angeles Los Angeles
Delta Logo
10:00 - 00:44MEL  Melbourne-STL Lambert-St Louis
29h 44m2 stops Los Angeles Los Angeles Salt Lake City
$1,782Delta
Fri, 18 Sep - Fri, 25 Sep
United Airlines Logo
11:10 - 09:15STL  Lambert-St Louis-MEL Melbourne
30h 05m2 stops Houston George Bush Intcntl San Francisco
United Airlines Logo
12:45 - 18:05MEL  Melbourne-STL Lambert-St Louis
22h 20m1 stop San Francisco
$1,789United Airlines
Tue, 20 Oct - Tue, 3 Nov
United Airlines Logo
19:05 - 10:30STL  Lambert-St Louis-MEL Melbourne
22h 25m1 stop San Francisco
United Airlines Logo
08:00 - 14:13MEL  Melbourne-STL Lambert-St Louis
47h 13m2 stops Sydney Kingsford Smith Houston George Bush Intcntl
$1,802United Airlines
Mon, 16 Nov - Sun, 22 Nov

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from St. Louis to Melbourne

Our best American Airlines deals on St. Louis to Melbourne flight tickets
American Airlines
27 Oct
STL05:40Lambert-St Louis
31h 20m
1 stop
MEL05:00Melbourne
11 Nov
MEL22:45Melbourne
26h 22m
2 stops
STL08:07Lambert-St Louis
$1,616
American Airlines
20 Oct
STL12:47Lambert-St Louis
29h 48m
2 stops
MEL10:35Melbourne
3 Nov
MEL12:00Melbourne
26h 59m
1 stop
STL21:59Lambert-St Louis
$1,662
American Airlines
29 Sept
STL17:00Lambert-St Louis
28h 40m
2 stops
MEL12:40Melbourne
6 Oct
MEL15:25Melbourne
24h 21m
2 stops
STL23:46Lambert-St Louis
$1,704

Delta flights from St. Louis to Melbourne

Our best Delta deals on St. Louis to Melbourne flight tickets
Delta
20 Oct
STL19:20Lambert-St Louis
45h 30m
2 stops
MEL08:50Melbourne
3 Nov
MEL10:10Melbourne
27h 59m
2 stops
STL21:09Lambert-St Louis
$1,641
Delta
18 Sept
STL14:25Lambert-St Louis
26h 25m
2 stops
MEL07:50Melbourne
25 Sept
MEL10:00Melbourne
29h 44m
2 stops
STL00:44Lambert-St Louis
$1,782

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 August 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 return flight

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 27/10

05:40-05:00

1 stop31h 20m

Melbourne

Wed 11/11

22:45-08:07

2 stops26h 22m

$1,616

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

19:20-08:50

2 stops45h 30m

Melbourne

Tue 3/11

10:10-21:09

2 stops27h 59m

$1,641

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

12:47-10:35

2 stops29h 48m

Melbourne

Tue 3/11

12:00-21:59

1 stop26h 59m

$1,662

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 29/9

17:00-12:40

2 stops28h 40m

Melbourne

Tue 6/10

15:25-23:46

2 stops24h 21m

$1,704

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 27/10

05:40-05:00

1 stop31h 20m

Melbourne

Wed 11/11

22:45-08:07

2 stops26h 22m

$1,755

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 27/10

05:40-05:00

1 stop31h 20m

Melbourne

Wed 11/11

22:45-08:07

2 stops26h 22m

$1,757

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

11:10-10:55

2 stops31h 45m

Melbourne

Tue 3/11

08:15-22:26

2 stops31h 11m

$1,767

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Fri 18/9

14:25-07:50

2 stops26h 25m

Melbourne

Fri 25/9

10:00-00:44

2 stops29h 44m

$1,782
Fastest return journey

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

11:10-09:15

2 stops30h 05m

Melbourne

Tue 3/11

12:45-18:05

1 stop22h 20m

$1,789

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Mon 16/11

19:05-10:30

1 stop22h 25m

Melbourne

Sun 22/11

08:00-14:13

2 stops47h 13m

$1,802

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, April 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 $0. If you aren’t able to travel to Melbourne during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,630.

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 25m

Direct flights

None
The fastest flight from St. Louis to Melbourne takes 22h 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

Frequently asked questions about flying 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 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 refresh daily.

  • 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.

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.

An easier way to manage your Melbourne trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 15/9
Tue 22/9
By creating a price alert you accept our terms of use and privacy policy.

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