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Cheap flights from St. Louis to Melbourne Airport from $821

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEL
22 Jun — 29 Jun1
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 23 May 2026.

Mon 8/606:35
STL
-
MEL
1 stop33h 10m
Qantas Airways
Fri 31/709:45
MEL
-
STL
1 stop29h 14m
Qantas Airways
Deal found 20/5$1,444
Sat 4/707:00
STL
-
MEL
1 stop31h 00m
American Airlines
Sat 11/713:35
MEL
-
STL
1 stop23h 14m
American Airlines
Deal found 20/5$1,515
Tue 27/1015:33
STL
-
MEL
2 stops25h 57m
American Airlines
Wed 11/1123:15
MEL
-
STL
2 stops26h 43m
American Airlines
Deal found 23/5$1,521
Sun 9/815:35
STL
-
MEL
2 stops24h 10m
American Airlines
Mon 17/809:45
MEL
-
STL
2 stops25h 41m
American Airlines
Deal found 19/5$1,522
Mon 26/1006:30
STL
-
MEL
1 stop35h 00m
American Airlines
Sun 8/1112:00
MEL
-
STL
1 stop27h 29m
American Airlines
Deal found 22/5$1,526
Thu 6/819:23
STL
-
MEL
1 stop21h 52m
United Airlines
Sun 16/810:55
MEL
-
STL
1 stop22h 44m
United Airlines
Deal found 19/5$1,531
Mon 26/1006:30
STL
-
MEL
1 stop35h 00m
American Airlines
Mon 9/1123:15
MEL
-
STL
2 stops25h 55m
American Airlines
Deal found 22/5$1,533
Thu 6/816:48
STL
-
MEL
2 stops24h 27m
United Airlines
Thu 20/810:55
MEL
-
STL
2 stops24h 43m
United Airlines
Deal found 19/5$1,538
Thu 3/1205:14
STL
-
MEL
1 stop30h 46m
American Airlines
Thu 10/1206:00
MEL
-
STL
2 stops23h 32m
American Airlines
Deal found 21/5$1,556
Thu 6/806:01
STL
-
MEL
2 stops35h 14m
United Airlines
Sat 15/807:00
MEL
-
STL
2 stops26h 39m
United Airlines
Deal found 19/5$1,560
Fri 7/819:23
STL
-
MEL
1 stop21h 52m
Air New Zealand
Thu 13/810:00
MEL
-
STL
2 stops47h 39m
Air New Zealand
Deal found 18/5$1,562

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 23 May 2026.

Round-trip from

$1,444

One-way from

$821

Popular in

August

Cheapest in

May

Average price

$1,619
Qantas Airways
  • Qantas Airways
  • 8/6-31/7
  • 2 total stops
  • 62h 24m total
  • St. Louis to Melbourne
Search Deals
American Airlines
  • American Airlines
  • 22/8
  • 1 total stop
  • 25h 15m total
  • St. Louis to Melbourne
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($325 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($69 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 23 May 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

Thu 6/8

06:01-08:15

2 stops35h 14m

Melbourne

Thu 20/8

10:55-18:39

1 stop22h 44m

$1,531

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 7/8

06:01-08:15

2 stops35h 14m

Melbourne

Thu 13/8

10:00-18:39

2 stops47h 39m

$1,563

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 9/8

14:40-11:20

3 stops29h 40m

Melbourne

Mon 17/8

20:50-20:07

3 stops38h 17m

$1,969

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 15/7

14:30-07:50

2 stops26h 20m

Melbourne

Wed 22/7

10:00-00:41

2 stops29h 41m

$2,328

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 26/10

16:17-10:55

2 stops26h 38m

Melbourne

Mon 9/11

08:35-22:54

3 stops31h 19m

$2,433

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 2/7

06:01-08:15

2 stops35h 14m

Melbourne

Thu 9/7

10:55-18:17

1 stop22h 22m

$2,459

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 27/10

07:00-07:10

2 stops32h 10m

Melbourne

Wed 11/11

16:30-22:29

3 stops46h 59m

$2,753

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 27/10

07:00-07:10

2 stops32h 10m

Melbourne

Tue 10/11

14:20-19:27

3 stops46h 07m

$2,855

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 15/7

06:01-08:15

2 stops35h 14m

Melbourne

Wed 22/7

10:55-18:17

1 stop22h 22m

$2,949
Fastest return journey

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 18/6

15:22-08:15

2 stops25h 53m

Melbourne

Wed 24/6

10:55-18:17

1 stop22h 22m

$3,158

Flights are sorted by cheapest return flights first.

Deals found on 21/5

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

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

How much does it cost for a return flight from St. Louis to Melbourne Airport?

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 26h 20m. Fly via United Airlines or Delta 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.

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
Tullamarine
Shepparton
Phillip Island
Sorrento
Torquay
Daylesford
Mornington
Brighton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Melbourne

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Melbourne flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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