Cheap flights from St. Louis to Melbourne Airport from $792

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEL
8 May — 15 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. Louis to Melbourne

Enter your travel dates to find the best prices.

Cheapest flights from St. Louis to Melbourne
Explore the most affordable flight options available from St. Louis to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 April 2026.

Mon 4/514:15
STL
-
MEL
3 stops30h 05m
Multiple Airlines
Wed 20/520:50
MEL
-
STL
3 stops38h 19m
Multiple Airlines
Deal found 3/4$1,707
Tue 8/914:40
STL
-
MEL
3 stops29h 25m
Multiple Airlines
Tue 15/920:50
MEL
-
STL
3 stops38h 10m
Multiple Airlines
Deal found 7/4$1,738
Sat 17/1018:51
STL
-
MEL
2 stops32h 29m
Fiji Airways
Sat 24/1007:30
MEL
-
STL
2 stops30h 30m
Fiji Airways
Deal found 5/4$1,877
Sat 17/1014:40
STL
-
MEL
3 stops29h 30m
Multiple Airlines
Sat 24/1006:00
MEL
-
STL
3 stops49h 30m
Multiple Airlines
Deal found 5/4$1,995
Wed 20/507:05
STL
-
MEL
3 stops37h 00m
Air Canada
Wed 27/506:00
MEL
-
STL
3 stops29h 09m
Air Canada
Deal found 5/4$2,061
Sat 5/917:32
STL
-
MEL
2 stops50h 03m
Multiple Airlines
Sun 13/920:45
MEL
-
STL
2 stops56h 15m
Multiple Airlines
Deal found 6/4$2,067
Sat 17/1012:43
STL
-
MEL
1 stop24h 17m
Qantas Airways
Sat 24/1014:35
MEL
-
STL
1 stop19h 39m
Qantas Airways
Deal found 5/4$2,068
Fri 22/507:05
STL
-
MEL
3 stops37h 30m
Air Canada
Fri 29/520:45
MEL
-
STL
3 stops54h 21m
Air Canada
Deal found 7/4$2,094
Mon 4/515:38
STL
-
MEL
1 stop22h 22m
Qantas Airways
Wed 20/509:45
MEL
-
STL
1 stop29h 14m
Qantas Airways
Deal found 3/4$2,104
Mon 4/515:20
STL
-
MEL
2 stops25h 55m
United Airlines
Wed 20/510:55
MEL
-
STL
1 stop22h 27m
United Airlines
Deal found 3/4$2,130

Find flight deals from St. Louis to Melbourne

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Melbourne (MEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 April 2026.

Round-trip from

$1,707

One-way from

$792

Popular in

April

Cheapest in

May

Average price

$3,160
4/5-20/5
  • 4/5-20/5
  • 6 total stops
  • 68h 24m total
  • St. Louis to Melbourne
14/5
  • 14/5
  • 3 total stops
  • 56h 29m total
  • St. Louis to Melbourne
Highest demand for flights based on searches. 4% potential increase in price ($152 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($129 potential savings vs. average return price).
Average for round-trip flights in April 2026

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 8 April 2026.
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

Cheapest return flight

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 4/5

14:15-11:20

3 stops30h 05m

Melbourne

Wed 20/5

20:50-20:09

3 stops38h 19m

$1,707

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 4/5

15:38-05:00

1 stop22h 22m

Melbourne

Wed 20/5

09:45-23:59

1 stop29h 14m

$2,104
Fastest return journey

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 1/5

19:06-08:15

1 stop22h 09m

Melbourne

Thu 21/5

10:55-18:17

1 stop22h 22m

$2,130

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 4/5

15:20-08:15

2 stops25h 55m

Melbourne

Wed 20/5

10:55-18:22

1 stop22h 27m

$2,130

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 3/5

19:06-08:15

1 stop22h 09m

Melbourne

Fri 22/5

10:55-20:43

2 stops24h 48m

$2,136

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 4/5

19:06-08:15

1 stop22h 09m

Melbourne

Fri 22/5

09:30-17:23

2 stops22h 53m

$2,136

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 20/5

09:13-07:50

2 stops31h 37m

Melbourne

Wed 27/5

10:00-19:03

2 stops24h 03m

$2,146

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 26/5

05:10-08:15

2 stops36h 05m

Melbourne

Mon 29/6

10:55-18:17

1 stop22h 22m

$2,222

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 7/9

13:36-07:30

2 stops26h 54m

Melbourne

Fri 18/9

09:30-16:31

2 stops22h 01m

$2,309

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 8/9

08:52-08:15

1 stop32h 23m

Melbourne

Tue 15/9

10:55-18:24

1 stop22h 29m

$2,320

Flights are sorted by cheapest return flights first.

Deals found on 6/4

Showing 1-10 of 16 resultsSorted by cheapest first
1
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Best time to book a flight from St. Louis to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne from St. Louis with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Melbourne Airport

What is the cheapest month to book a flight from St. Louis to Melbourne Airport?

Currently, May is the cheapest month in which you can book a flight from St. Louis to Melbourne Airport (average of $1,610). Flying from St. Louis to Melbourne Airport in April is currently the most expensive (average of $3,160). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Melbourne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from St. Louis to Melbourne?

    Lambert-St Louis (STL), located 20.4 km from the city centre, is the airport you fly out of when you book flights from St. Louis to Melbourne. 0 airlines have flights from Lambert-St Louis to Melbourne on a regular basis. Booking flights from Lambert-St Louis to Melbourne should not be difficult; the airport handles an average of 0 outbound flights to Melbourne per day.

  • How long is the flight from St. Louis to Melbourne Airport?

    There are many flights that can get you from St. Louis to Melbourne Airport in 22h 09m. Fly via Qantas Airways or United Airlines to get the fastest option. The distance from St. Louis to Melbourne Airport is about 15255 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from St. Louis to Melbourne that include hotel bookings?

    Yes. In addition to deals on St. Louis to Melbourne flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Melbourne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Melbourne.

  • Can I find deals for business class flights from St. Louis to Melbourne?

    Yes. Cheapflights offers flight deals from St. Louis to Melbourne by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Melbourne Airport?

    Currently, May is the cheapest month in which you can book a flight from St. Louis to Melbourne Airport (average of $1,610). Flying from St. Louis to Melbourne Airport in April is currently the most expensive (average of $3,160). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Melbourne Airport?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Melbourne

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

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How does Cheapflights help users find flights from St. Louis to Melbourne?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St. Louis to Melbourne. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Melbourne?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Melbourne.

Can Cheapflights find flights from St. Louis to Melbourne with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis to Melbourne flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from St. Louis to Melbourne become cheaper?

Yes, Cheapflights offers price alerts on St. Louis to Melbourne flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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