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Cheap flights from Melbourne to St. Louis from $901

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
MEL — STL
13 Dec — 20 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 13 November 2025.

Round-trip from

$1,709

One-way from

$901

Popular in

September

Cheapest in

January

Average price

$2,254
Delta
  • Delta
  • 6/3-10/3
  • 4 total stops
  • 68h 34m total
  • Melbourne to St. Louis
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Delta
  • Delta
  • 14/1
  • 2 total stops
  • 28h 25m total
  • Melbourne to St. Louis
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($58 potential savings vs. average return price).
Search Deals
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.

Best flights from Melbourne to St. Louis
Discover carefully curated flight deals from Melbourne to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 November 2025.

Fri 6/310:10MEL - STL
2 stops24h 33mDelta
Tue 10/318:59STL - MEL
2 stops44h 01mDelta
Deal found 11/11$1,709
Fri 6/312:00MEL - STL
1 stop28h 48mQantas Airways
Tue 10/317:59STL - MEL
2 stops31h 46mQantas Airways
Deal found 11/11$2,387
Fri 6/316:05MEL - STL
1 stop20h 21mAmerican Airlines
Tue 10/317:59STL - MEL
1 stop43h 01mAmerican Airlines
Deal found 11/11$2,567
Thu 5/300:45MEL - STL
2 stops34h 18mCathay Pacific
Tue 10/317:59STL - MEL
2 stops45h 11mCathay Pacific
Deal found 11/11$2,621

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 13 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

10:10-17:43

2 stops24h 33m

Lambert-St Louis

Tue 10/3

18:59-07:00

2 stops44h 01m

$1,709

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

12:00-23:48

1 stop28h 48m

Lambert-St Louis

Tue 10/3

17:59-17:45

2 stops31h 46m

$2,387

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/3

16:05-19:26

1 stop20h 21m

Lambert-St Louis

Tue 10/3

17:59-05:00

1 stop43h 01m

$2,567

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/3

00:45-18:03

2 stops34h 18m

Lambert-St Louis

Tue 10/3

17:59-07:10

2 stops45h 11m

$2,621

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 14/1

11:30-22:00

2 stops27h 30m

$901

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 14/1

10:10-21:35

2 stops28h 25m

$901

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 20/11

08:35-18:47

2 stops27h 12m

$995

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 20/11

16:55-23:42

2 stops23h 47m

$1,013

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 14/1

16:05-22:59

1 stop23h 54m

$1,311

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 14/1

16:05-19:29

1 stop20h 24m

$1,313

Flights are sorted by cheapest return flights first.

Deals found on 11/11

Showing 1-10 of 11 results
1
2

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 $1,126). Flying from Melbourne to St. Louis in November is currently the most expensive (average of $2,075). 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 13 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 13 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
933 reviews
Check prices

Comfort

7.5

Food

7.0

Overall

7.5

Entertainment

7.2

Boarding

7.7

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
933 reviews
Qantas Airways
7.5
Good
933 reviews
Check prices

Comfort

7.5

Food

7.0

Overall

7.5

Entertainment

7.2

Boarding

7.7

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
9,015 reviews
Qantas Airways
7.5
Good
933 reviews
Check prices

Comfort

7.5

Food

7.0

Overall

7.5

Entertainment

7.2

Boarding

7.7

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 24h 33m. 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 $1,252, 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 33% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Melbourne to St. Louis one-way?

    $901 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Air New Zealand, with prices starting from $901 and $995, respectively.

  • 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 $1,126). Flying from Melbourne to St. Louis in November is currently the most expensive (average of $2,075). 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

Browse thousands of different options on Cheapflights for your next trip

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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 13 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,252Average$1,853FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,684Average$2,076FlexibilityNo 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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Melbourne to St. Louis for you. Better yet — we are completely free to use.

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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