Find flights
When to book
Airlines
FAQs

Cheap flights from St. Louis to Melbourne Airport from $847

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEL
9 Mar — 16 Mar1
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 7 February 2026.

Tue 24/318:08
STL
-
MEL
2 stops46h 12m
Qantas Airways
Tue 31/309:45
MEL
-
STL
1 stop30h 13m
Qantas Airways
Deal found 6/2$1,547
Wed 13/510:43
STL
-
MEL
2 stops30h 07m
Delta
Sun 16/810:00
MEL
-
STL
2 stops29h 36m
Delta
Deal found 4/2$1,676
Tue 25/819:46
STL
-
MEL
2 stops32h 34m
Multiple Airlines
Thu 3/907:30
MEL
-
STL
2 stops27h 53m
Multiple Airlines
Deal found 6/2$1,726
Thu 14/519:59
STL
-
MEL
2 stops44h 51m
Delta
Wed 12/810:00
MEL
-
STL
2 stops23h 00m
Delta
Deal found 4/2$1,749
Tue 13/1014:40
STL
-
MEL
3 stops29h 30m
Multiple Airlines
Tue 20/1006:30
MEL
-
STL
3 stops29h 30m
Multiple Airlines
Deal found 5/2$1,753
Sat 16/515:38
STL
-
MEL
1 stop22h 22m
Qantas Airways
Thu 13/809:45
MEL
-
STL
1 stop28h 23m
Qantas Airways
Deal found 4/2$1,769
Fri 27/206:38
STL
-
MEL
2 stops37h 57m
Qantas Airways
Sat 7/316:05
MEL
-
STL
1 stop20h 37m
Qantas Airways
Deal found 5/2$1,773
Tue 22/914:40
STL
-
MEL
3 stops29h 45m
Multiple Airlines
Mon 28/920:50
MEL
-
STL
3 stops38h 10m
Multiple Airlines
Deal found 6/2$1,786
Wed 13/506:21
STL
-
MEL
1 stop33h 24m
Multiple Airlines
Tue 11/813:25
MEL
-
STL
2 stops24h 43m
Multiple Airlines
Deal found 4/2$1,805
Sat 21/309:35
STL
-
MEL
1 stop27h 25m
American Airlines
Sat 28/316:05
MEL
-
STL
1 stop19h 37m
American Airlines
Deal found 4/2$1,818
Thu 14/519:59
STL
-
MEL
2 stops44h 51m
Delta
Fri 14/810:00
MEL
-
STL
2 stops23h 00m
Delta
Deal found 4/2$1,821

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 7 February 2026.

Round-trip from

$1,547

One-way from

$847

Popular in

July

Cheapest in

February

Average price

$1,846
Qantas Airways
  • Qantas Airways
  • 24/3-31/3
  • 3 total stops
  • 76h 25m total
  • St. Louis to Melbourne
Search Deals
15/5
  • 15/5
  • 3 total stops
  • 53h 58m total
  • St. Louis to Melbourne
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($200 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($56 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 7 February 2026.
Use the filters below to find and compare flights from St. Louis to Melbourne Airport that are best for you.

Fly from

St. Louis

Fly to

Melbourne

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 27/2

11:46-05:00

1 stop24h 14m

Melbourne

Sat 7/3

14:20-23:59

2 stops26h 39m

$1,824

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 12/3

16:13-09:30

2 stops25h 17m

Melbourne

Sat 21/3

16:05-22:58

1 stop22h 53m

$1,825

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 27/2

09:37-05:00

2 stops26h 23m

Melbourne

Sat 7/3

16:05-23:59

2 stops24h 54m

$1,825

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 15/5

19:06-08:15

1 stop22h 09m

Melbourne

Thu 13/8

10:55-17:53

1 stop21h 58m

$1,851

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 18/5

19:06-08:15

1 stop22h 09m

Melbourne

Sat 15/8

10:55-17:53

1 stop21h 58m

$1,851

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 15/5

19:06-08:15

1 stop22h 09m

Melbourne

Mon 10/8

10:55-17:53

1 stop21h 58m

$1,851

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 13/5

19:06-08:15

1 stop22h 09m

Melbourne

Thu 13/8

10:55-17:53

1 stop21h 58m

$1,851

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 13/5

19:06-08:15

1 stop22h 09m

Melbourne

Wed 12/8

10:55-17:53

1 stop21h 58m

$1,851

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 21/2

17:29-10:00

1 stop23h 31m

Melbourne

Wed 25/2

13:00-16:44

1 stop20h 44m

$1,852

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 22/5

14:50-07:30

2 stops25h 40m

Melbourne

Sun 31/5

10:55-17:53

1 stop21h 58m

$1,852

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Showing 1-10 of 15 results
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

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

Currently, August is the cheapest month in which you can book a flight from St. Louis to Melbourne Airport (average of $1,540). Flying from St. Louis to Melbourne Airport in July is currently the most expensive (average of $2,225). 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.

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

Reviews of airlines servicing Melbourne

Get insights into the airlines that provide service to Melbourne. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Melbourne. Reviews last updated 7 February 2026.
See what other customers who have flown with United Airlines from St. Louis to Melbourne Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,250 reviews
Check prices

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,250 reviews
United Airlines
7.4
Good
9,250 reviews
Check prices

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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. 1 airline 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 24h 14m. Fly via Delta, Qantas Airways, or American 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.

  • What is the cheapest airline to fly from St. Louis to Melbourne Airport round-trip?

    Cheapflights users have booked flights from St. Louis to Melbourne Airport round-trip from $2,027. United Airlines is priced at 4% lower than the current average price of a flight leaving 3 months from now.

  • 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, August is the cheapest month in which you can book a flight from St. Louis to Melbourne Airport (average of $1,540). Flying from St. Louis to Melbourne Airport in July is currently the most expensive (average of $2,225). 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
Geelong
Dandenong
Ballarat
Apollo Bay
St Kilda
Tullamarine
Phillip Island
Lorne
Sorrento
Shepparton
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

Top airline flying from St. Louis to Melbourne

Discover the top airline that operate flights from St. Louis to Melbourne. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 7 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,027Average$2,277FlexibilityNo cancel feeOn-time69%
Search United Airlines 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.