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Cheap flights from Melbourne to St. Louis from $899

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
MEL — STL
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Melbourne to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Melbourne (ME1) to St. Louis (STL). 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 6 November 2025.

Round-trip from

$1,634

One-way from

$899

Popular in

September

Cheapest in

January

Average price

$1,810
American Airlines
  • American Airlines
  • 6/3-10/3
  • 4 total stops
  • 71h 26m total
  • Melbourne to St. Louis
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2/3
  • 2/3
  • 1 total stop
  • 20h 21m total
  • Melbourne to St. Louis
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($148 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($65 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Melbourne to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from Melbourne to St. Louis
Explore the most affordable flight options available from Melbourne to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2025.

Fri 19/1213:00MEL - STL
2 stops50h 22mUnited Airlines
Fri 26/1218:35STL - MEL
2 stops45h 55mUnited Airlines
Deal found 4/11$2,303
Fri 19/1211:30MEL - STL
2 stops26h 55mMultiple Airlines
Fri 26/1218:44STL - MEL
1 stop41h 16mMultiple Airlines
Deal found 4/11$2,564
Fri 19/1216:05MEL - STL
1 stop20h 25mQantas Airways
Fri 26/1218:44STL - MEL
1 stop41h 16mQantas Airways
Deal found 4/11$3,717

Cheapflights Fare Finder

 
Customise your flight search to find flights from Melbourne to St. Louis 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 6 November 2025.
Use the filters below to find and compare flights from Melbourne to St. Louis that are best for you.

Fly from

Melbourne

Fly to

St. Louis

Route

Depart

Return

Price

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

16:05-22:57

1 stop23h 52m

Lambert-St Louis

Tue 10/3

18:29-09:30

2 stops47h 01m

$1,634

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

11:30-16:52

2 stops22h 22m

Lambert-St Louis

Tue 10/3

17:54-08:30

2 stops46h 36m

$1,662

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

10:10-17:48

2 stops24h 38m

Lambert-St Louis

Tue 10/3

18:59-07:00

2 stops44h 01m

$1,711

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

12:15-23:48

2 stops28h 33m

Lambert-St Louis

Tue 10/3

06:30-09:30

1 stop35h 00m

$2,423

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/3

00:45-22:57

2 stops39h 12m

Lambert-St Louis

Tue 10/3

17:59-07:10

2 stops45h 11m

$2,628

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 2/3

16:05-19:26

1 stop20h 21m

$899

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 14/1

13:00-09:22

2 stops37h 22m

$903

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 12/12

10:10-23:42

2 stops30h 32m

$903

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 2/3

13:00-09:23

2 stops37h 23m

$909

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 13/12

13:00-15:40

2 stops43h 40m

$912

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 14 results
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Best time to book a flight from Melbourne to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Melbourne 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 Melbourne to St. Louis

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

Currently, December is the cheapest month in which you can book a flight from Melbourne to St. Louis (average of $1,134). Flying from Melbourne to St. Louis in September is currently the most expensive (average of $1,864). 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 MEL to STL?

Find hourly flight availability from Melbourne to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 November 2025.

When flying from Melbourne to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 34% versus a flight in the evening.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated 6 November 2025.
See what other customers who have flown with Qantas Airways and United Airlines from Melbourne to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
927 reviews
Check prices

Boarding

7.7

Food

7.0

Comfort

7.5

Entertainment

7.2

Overall

7.5

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
927 reviews
Qantas Airways
7.5
Good
927 reviews
Check prices

Boarding

7.7

Food

7.0

Comfort

7.5

Entertainment

7.2

Overall

7.5

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
United Airlines
7.4
Good
9,003 reviews
Qantas Airways
7.5
Good
927 reviews
Check prices

Boarding

7.7

Food

7.0

Comfort

7.5

Entertainment

7.2

Overall

7.5

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

Related info for your journey

Find useful and relevant information for your journey from Melbourne to St. Louis. 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 into for flights to St. Louis from Melbourne?

    Located just 20.4 km from the city centre, Lambert-St Louis is the airport most travellers will use when flying to St. Louis from Melbourne. Booking flights from Melbourne to Lambert-St Louis (STL) should be relatively easy as there are 0 daily inbound flights from Melbourne from 2 different airlines.

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

    Departing from Melbourne to St. Louis will take you 22h 22m. The distance from Melbourne to St. Louis is about 15255 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Melbourne to St. Louis round-trip?

    United Airlines, at $1,260, was found to be the cheapest airline from Melbourne to St. Louis. An alternate airline flying to your destination would be Qantas Airways. United Airlines is 32% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Melbourne to St. Louis 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 Melbourne to St. Louis?

    Currently, December is the cheapest month in which you can book a flight from Melbourne to St. Louis (average of $1,134). Flying from Melbourne to St. Louis in September is currently the most expensive (average of $1,864). 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

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Alternative routes for Melbourne to St. Louis

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

Top 2 airlines flying from Melbourne to St. Louis

Discover the top 2 airlines that operate flights from Melbourne to St. Louis. 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 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,260Average$1,865FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,695Average$2,090FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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

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

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

Need flexible booking options for your flight to St. Louis from Melbourne? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to St. Louis from Melbourne today and book when prices fit your budget.

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