Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Melbourne from $681

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 2/15. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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

Find the cheapest flights from St. Louis to Melbourne

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
6:50 pm - 6:00 am
STL
-
MEL
43h 10m1 stop
Qantas Airways Logo
9:45 am - 11:16 pm
MEL
-
STL
28h 31m1 stop
$1,169Qantas Airways
Fri, Apr 3 - Sun, Apr 19
American Airlines Logo
10:07 am - 6:00 am
STL
-
MEL
27h 53m2 stops
American Airlines Logo
9:45 am - 7:03 pm
MEL
-
STL
24h 18m2 stops
$1,188American Airlines
Fri, Apr 3 - Sun, Apr 19
United Airlines Logo
6:30 am - 9:30 am
STL
-
MEL
34h 00m2 stops
United Airlines Logo
1:00 pm - 1:16 pm
MEL
-
STL
41h 16m2 stops
$1,279United Airlines
Wed, Dec 31 - Wed, Jan 14
United Airlines Logo
8:05 am - 9:30 am
STL
-
MEL
32h 25m2 stops
United Airlines Logo
11:30 am - 4:55 pm
MEL
-
STL
22h 25m2 stops
$1,291United Airlines
Fri, Jan 2 - Thu, Jan 22
Delta Logo
6:00 am - 8:00 am
STL
-
MEL
33h 00m2 stops
Delta Logo
10:10 am - 11:25 pm
MEL
-
STL
30h 15m2 stops
$1,298Delta
Wed, Dec 31 - Wed, Jan 14
Qantas Airways Logo
3:30 pm - 12:40 pm
STL
-
MEL
28h 10m2 stops
Qantas Airways Logo
12:00 pm - 11:59 pm
MEL
-
STL
28h 59m1 stop
$1,379Qantas Airways
Wed, Dec 31 - Wed, Jan 14
United Airlines Logo
8:05 am - 9:30 am
STL
-
MEL
32h 25m2 stops
United Airlines Logo
11:30 am - 8:58 pm
MEL
-
STL
26h 28m2 stops
$1,386United Airlines
Sun, Jan 25 - Sun, Feb 1
United Airlines Logo
8:05 am - 9:30 am
STL
-
MEL
32h 25m2 stops
United Airlines Logo
1:00 pm - 5:11 am
MEL
-
STL
33h 11m1 stop
$1,396United Airlines
Sun, Jan 25 - Sun, Feb 1
Multiple Airlines Logo
11:41 am - 5:00 am
STL
-
MEL
24h 19m1 stop
Multiple Airlines Logo
4:05 pm - 10:59 pm
MEL
-
STL
23h 54m1 stop
$1,413Multiple Airlines
Fri, Jan 2 - Thu, Jan 22
Qantas Airways Logo
6:44 pm - 5:00 am
STL
-
MEL
41h 16m1 stop
Qantas Airways Logo
4:05 pm - 7:29 pm
MEL
-
STL
20h 24m1 stop
$1,430Qantas Airways
Fri, Jan 2 - Thu, Jan 22

United Airlines flights from St. Louis to Melbourne Airport

Our best United Airlines deals on St. Louis to Melbourne Airport flight tickets
United Airlines
Dec 31
STL6:30 amLambert-St Louis
34h 00m
2 stops
MEL9:30 amMelbourne
Jan 14
MEL1:00 pmMelbourne
41h 16m
2 stops
STL1:16 pmLambert-St Louis
$1,279
Find similar
United Airlines
Jan 2
STL8:05 amLambert-St Louis
32h 25m
2 stops
MEL9:30 amMelbourne
Jan 22
MEL11:30 amMelbourne
22h 25m
2 stops
STL4:55 pmLambert-St Louis
$1,291
Find similar
United Airlines
Jan 25
STL8:05 amLambert-St Louis
32h 25m
2 stops
MEL9:30 amMelbourne
Feb 1
MEL11:30 amMelbourne
26h 28m
2 stops
STL8:58 pmLambert-St Louis
$1,386
Find similar

Qantas Airways flights from St. Louis to Melbourne Airport

Our best Qantas Airways deals on St. Louis to Melbourne Airport flight tickets
Qantas Airways
Apr 3
STL6:50 pmLambert-St Louis
43h 10m
1 stop
MEL6:00 amMelbourne
Apr 19
MEL9:45 amMelbourne
28h 31m
1 stop
STL11:16 pmLambert-St Louis
$1,169
Find similar
Qantas Airways
Dec 31
STL3:30 pmLambert-St Louis
28h 10m
2 stops
MEL12:40 pmMelbourne
Jan 14
MEL12:00 pmMelbourne
28h 59m
1 stop
STL11:59 pmLambert-St Louis
$1,379
Find similar
Qantas Airways
Jan 2
STL6:44 pmLambert-St Louis
41h 16m
1 stop
MEL5:00 amMelbourne
Jan 22
MEL4:05 pmMelbourne
20h 24m
1 stop
STL7:29 pmLambert-St Louis
$1,430
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Melbourne Airport 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 December 11, 2025.
Use the filters below to find and compare flights from St. Louis to Melbourne Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 4/3

6:50 pm-6:00 am

1 stop43h 10m

Melbourne

Sun 4/19

9:45 am-11:16 pm

1 stop28h 31m

$1,169

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 4/3

10:07 am-6:00 am

2 stops27h 53m

Melbourne

Sun 4/19

9:45 am-7:03 pm

2 stops24h 18m

$1,188

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 12/31

6:30 am-9:30 am

2 stops34h 00m

Melbourne

Wed 1/14

1:00 pm-1:16 pm

2 stops41h 16m

$1,279

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 1/2

8:05 am-9:30 am

2 stops32h 25m

Melbourne

Thu 1/22

11:30 am-4:55 pm

2 stops22h 25m

$1,291

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 12/31

6:00 am-8:00 am

2 stops33h 00m

Melbourne

Wed 1/14

10:10 am-11:25 pm

2 stops30h 15m

$1,298

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 12/31

3:30 pm-12:40 pm

2 stops28h 10m

Melbourne

Wed 1/14

12:00 pm-11:59 pm

1 stop28h 59m

$1,379

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 1/25

8:05 am-9:30 am

2 stops32h 25m

Melbourne

Sun 2/1

11:30 am-8:58 pm

2 stops26h 28m

$1,386

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 1/25

8:05 am-9:30 am

2 stops32h 25m

Melbourne

Sun 2/1

1:00 pm-5:11 am

1 stop33h 11m

$1,396

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 1/2

11:41 am-5:00 am

1 stop24h 19m

Melbourne

Thu 1/22

4:05 pm-10:59 pm

1 stop23h 54m

$1,413

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 1/2

6:44 pm-5:00 am

1 stop41h 16m

Melbourne

Thu 1/22

4:05 pm-7:29 pm

1 stop20h 24m

$1,430

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Melbourne from

How to get the cheapest flight ticket from St. Louis to Melbourne Airport

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 Airport?

The month of January is, on average, the cheapest month to fly to Melbourne Airport from St. Louis, with most prices found around $1,343. The month of June is another great option to travel to Melbourne Airport, with average flight prices from St. Louis averaging around $1,347.

What is the cheapest day to depart on your flight to Melbourne Airport?

On average, the least expensive day to fly to Melbourne Airport from St. Louis is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,360. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Melbourne Airport for around $2,159.

What is the cheapest time of day to depart on your flight to Melbourne Airport?

According to our data, the cheapest time of day to fly to Melbourne Airport is at noon. momondo users have found flights departing from St. Louis to Melbourne Airport at noon for as low as $1,087. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $1,883. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on St. Louis to Melbourne Airport flights?

You could potentially save up to 1% on your flight if you consider stops on a St. Louis to Melbourne Airport flight.

When to book flights from St. Louis to Melbourne Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Melbourne Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Melbourne Airport (STL to MEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Melbourne Airport

Fastest flight time

32h 41m

Direct flights

None
The fastest flight from St. Louis to Melbourne Airport takes 32h 41m
There are no direct flights from St. Louis to Melbourne Airport. There are no popular flight routes from St. Louis to Melbourne Airport.
Search flight deals

  • How far is Lambert-St Louis to Melbourne by plane?

    There are 9485.3 mi between Lambert-St Louis and Melbourne. By plane, this route typically takes 32h 41m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Melbourne Airport?

    Prices for flights from Lambert-St Louis Airport to Melbourne Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Melbourne Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Melbourne Airport?

    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 Airport.

  • What documentation or ID do you need to fly to Melbourne Airport?

    The travel and health documents you'll need for your trip to Melbourne Airport 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 Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Melbourne Airport?

Best airlines flying from St. Louis to Melbourne Airport

Compare and see reviews for airlines that fly from St. Louis to Melbourne Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $1,118Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
Fiji AirwaysPriceFrom $1,212Free CancellationRating
8.1
210 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $1,279Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,384Free CancellationRating
7.5
947 reviews
Search Qantas Airways flights

Traveling to a place near Melbourne?

Book flights to Melbourne if you plan to visit one of these locations
Tullamarine
Geelong
Shepparton
Apollo Bay
Dandenong
Ballarat
Lorne
Daylesford
Sorrento
Mornington
Phillip Island
Torquay
St Kilda
Brighton
Doncaster

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Melbourne from St. Louis.

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

Yes. All flights to Melbourne from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Melbourne from St. Louis.

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

Yes. momondo can track prices for St. Louis to Melbourne flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Melbourne Airport trip

We make it super easy to schedule, organize 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
Sat 1/10
Sat 1/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Melbourne

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo
Flights to Melbourne Avalon Airportfrom $931