Cheap flights from St. Louis to Melbourne Airport from $1,071

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEL
17 Dec — 24 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 17 November 2025.

Wed 10/1213:35STL - MEL
2 stops26h 55mUnited Airlines
Thu 8/111:30MEL - STL
2 stops26h 28mUnited Airlines
Deal found 15/11$2,607
Wed 31/1215:30STL - MEL
2 stops28h 10mQantas Airways
Wed 7/123:55MEL - STL
2 stops41h 04mQantas Airways
Deal found 16/11$2,619
Thu 18/1206:00STL - MEL
2 stops34h 30mUnited Airlines
Mon 6/410:55MEL - STL
1 stop33h 57mUnited Airlines
Deal found 16/11$2,749
Wed 10/1217:30STL - MEL
2 stops29h 05mQantas Airways
Thu 8/116:05MEL - STL
1 stop20h 24mQantas Airways
Deal found 16/11$2,769
Thu 18/1206:20STL - MEL
1 stop34h 10mQantas Airways
Mon 6/409:45MEL - STL
1 stop28h 24mQantas Airways
Deal found 16/11$3,053
Wed 31/1211:59STL - MEL
2 stops27h 01mDelta
Wed 7/110:10MEL - STL
3 stops30h 15mDelta
Deal found 16/11$3,145

Cheap 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 17 November 2025.

Round-trip from

$1,629

One-way from

$1,071

Popular in

December

Cheapest in

March

Average price

$2,402
Qantas Airways
  • Qantas Airways
  • 2/2-14/2
  • 3 total stops
  • 54h 35m total
  • St. Louis to Melbourne
United Airlines
  • United Airlines
  • 15/12
  • 2 total stops
  • 31h 30m total
  • St. Louis to Melbourne
Highest demand for flights based on searches. 2% potential increase in price ($87 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($54 potential savings vs. average return price).
Average for round-trip flights in November 2025

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 17 November 2025.
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

Mon 2/2

11:55-05:00

1 stop24h 05m

Melbourne

Sat 14/2

16:05-19:19

1 stop20h 14m

$1,929

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 4/3

17:25-10:00

1 stop23h 35m

Melbourne

Wed 18/3

12:00-22:25

1 stop26h 25m

$1,955

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 5/3

13:14-10:00

2 stops27h 46m

Melbourne

Mon 16/3

10:30-16:49

2 stops22h 19m

$1,955

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 1/3

17:25-10:00

1 stop23h 35m

Melbourne

Thu 19/3

12:00-22:25

1 stop26h 25m

$1,955

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 7/3

16:47-09:30

2 stops23h 43m

Melbourne

Thu 19/3

12:00-22:25

1 stop26h 25m

$1,955

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 2/3

16:30-09:30

2 stops24h 00m

Melbourne

Sun 15/3

12:00-22:25

1 stop26h 25m

$1,955

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 4/3

17:25-10:00

1 stop23h 35m

Melbourne

Sun 15/3

12:00-21:50

2 stops25h 50m

$1,955

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 1/3

15:15-09:30

2 stops25h 15m

Melbourne

Tue 17/3

10:30-19:19

2 stops24h 49m

$1,955

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 7/3

16:47-09:30

2 stops23h 43m

Melbourne

Tue 17/3

12:00-22:25

1 stop26h 25m

$1,955

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 4/3

17:25-10:00

1 stop23h 35m

Melbourne

Thu 19/3

12:00-21:00

2 stops25h 00m

$1,955

Flights are sorted by cheapest return flights first.

Deals found on 17/11

Showing 1-10 of 21 results
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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, August is the cheapest month in which you can book a flight from St. Louis to Melbourne Airport (average of $1,644). Flying from St. Louis to Melbourne Airport in July is currently the most expensive (average of $2,376). 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.

What is the cheapest time of day to fly from STL to MEL?

Find hourly flight availability from St. Louis to Melbourne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 November 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 28% on flights from St. Louis to Melbourne Airport by exploring options for tickets in the morning.

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 17 November 2025.
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.

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 23h 35m. 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.

  • 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 $2,009. United Airlines is priced at 15% 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 $1,644). Flying from St. Louis to Melbourne Airport in July is currently the most expensive (average of $2,376). 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
Lorne
Tullamarine
Phillip Island
Shepparton
Torquay
Daylesford
Mornington
Sorrento
Brighton
Doncaster

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.

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 17 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,009Average$2,508FlexibilityNo 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.

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