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

Departing from Melbourne to St. Louis will take you 22h 26m. 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 is the cheapest airline to fly from Melbourne to St. Louis round-trip?

United Airlines, at $1,153, was found to be the cheapest airline from Melbourne to St. Louis.. United Airlines is 34% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

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

When flying from Melbourne to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 1 airline.

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.

$856+ Cheap Flights from Melbourne to St. Louis

Cheap flight deals from Melbourne to St. Louis

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 19 August 2026.

Mon 7/914:25 -

2 stops47h 34m

Sun 27/911:01 -

2 stops44h 14m

Deal found 19/8$2,731

Wed 16/1210:10 -

2 stops31h 30m

Wed 6/110:45 -

2 stops28h 15m

Deal found 15/8$2,865

Wed 16/1210:10 -

2 stops28h 23m

Tue 5/107:30 -

2 stops31h 30m

Deal found 18/8$2,878

Mon 7/909:45 -

1 stop28h 14m

Sun 27/918:43 -

1 stop43h 17m

Deal found 15/8$2,900

Mon 7/910:55 -

2 stops26h 05m

Sun 27/907:08 -

1 stop34h 07m

Deal found 19/8$2,902

Find flight deals from Melbourne to St. Louis

Round-trip from	$2,297
One-way from	$856
Popular in	March
Cheapest in	June
Average price	$2,016

American Airlines
10/2-14/2
4 total stops
59h 25m total
Melbourne to St. Louis

Search Deals

Delta
2/11
2 total stops
27h 59m total
Melbourne to St. Louis

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($422 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($96 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MelbourneSt. Louis

MEL Melbourne - STL Lambert-St Louis

MELSTL

Melbourne

Wed 10/2

23:40-23:44

2 stops41h 04m

Lambert-St Louis

Sun 14/2

11:34-17:50

2 stops37h 16m

$2,537

MelbourneSt. Louis

MEL Melbourne - STL Lambert-St Louis

MELSTL

Melbourne

Mon 7/9

14:25-22:59

2 stops47h 34m

Lambert-St Louis

Sun 27/9

11:01-22:15

2 stops44h 14m

$2,740

MelbourneSt. Louis

MEL Melbourne - STL Lambert-St Louis

MELSTL

Melbourne

Wed 10/2

11:30-16:56

2 stops22h 26m

Lambert-St Louis

Sun 14/2

13:08-09:30

3 stops27h 22m

$2,902

MelbourneSt. Louis

MEL Melbourne - STL Lambert-St Louis

MELSTL

Melbourne

Mon 7/9

09:45-22:59

1 stop28h 14m

Lambert-St Louis

Sun 27/9

18:43-05:00

1 stop43h 17m

$2,904

Fastest return journey

MelbourneSt. Louis

MEL Melbourne - STL Lambert-St Louis

MELSTL

Melbourne

Thu 17/12

12:45-16:26

1 stop20h 41m

Lambert-St Louis

Wed 6/1

19:06-10:30

1 stop22h 24m

$3,083

MelbourneSt. Louis

MEL Melbourne - STL Lambert-St Louis

MELSTL

Melbourne

Tue 22/12

12:45-16:26

1 stop20h 41m

Lambert-St Louis

Tue 5/1

09:13-09:30

2 stops31h 17m

$3,087

MelbourneSt. Louis

MEL Melbourne - STL Lambert-St Louis

MELSTL

Melbourne

Sat 19/12

11:30-10:42

2 stops40h 12m

Lambert-St Louis

Wed 6/1

19:06-10:30

1 stop22h 24m

$3,158

MelbourneSt. Louis

MEL Melbourne - STL Lambert-St Louis

MELSTL

Melbourne

Fri 18/12

11:30-22:30

2 stops28h 00m

Lambert-St Louis

Mon 4/1

10:52-09:30

2 stops29h 38m

$3,162

Cheapest one-way

MelbourneSt. Louis

MEL Melbourne - STL Lambert-St Louis

MELSTL

Melbourne

Mon 2/11

10:10-21:09

2 stops27h 59m

$856

MelbourneSt. Louis

MEL Melbourne - STL Lambert-St Louis

MELSTL

Melbourne

Mon 2/11

22:45-23:45

1 stop42h 00m

$1,090

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 11 resultsSorted by cheapest first

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.

ME1-STL

MEL-STL

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

ME1-STL

MEL-STL

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing St. Louis

See what other customers who have flown with 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.

United Airlines

7.4

Good

10,100 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Chris,Aug 2026

MIA - ORD

Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!

United Airlines

7.4

Good

10,100 reviews

United Airlines

7.4

Good

10,100 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Chris,Aug 2026

MIA - ORD

Related info for your journey

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 1 airline.
How long is the flight from Melbourne to St. Louis?
Departing from Melbourne to St. Louis will take you 22h 26m. 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 is the cheapest airline to fly from Melbourne to St. Louis round-trip?
United Airlines, at $1,153, was found to be the cheapest airline from Melbourne to St. Louis.. United Airlines is 34% 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.

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Top airline flying from Melbourne to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,153	Average$1,308	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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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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Cheap flights from Melbourne to St. Louis from $856

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Melbourne to St. Louis

Cheapest flights from Melbourne to St. LouisExplore 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 19 August 2026.

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 19 August 2026.

Best flights from Melbourne to St. LouisDiscover 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 19 August 2026.

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 19 August 2026.

Last-minute flights from Melbourne to St. LouisDiscover last-minute flight deals from Melbourne to St. Louis. Data last updated 19 August 2026 and is based on user searches.

Discover last-minute flight deals from Melbourne to St. Louis. Data last updated 19 August 2026 and is based on user searches.

One-way flights from Melbourne to St. LouisSearch for one-way flight options from Melbourne to St. Louis. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.

Search for one-way flight options from Melbourne to St. Louis. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.

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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.

Cheapflights Insights

Reviews of airlines servicing St. Louis

See what other customers who have flown with 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.

Related info for your journey

What airport do you fly into for flights to St. Louis from Melbourne?

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

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

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

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

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

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.

Complete your trip

Complete your trip to St. Louis by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Melbourne to St. Louis by cabin class

Find flights from Melbourne to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Melbourne and St. Louis flights

Browse other Melbourne and St. Louis flight options. Last updated on 19 August 2026.

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Top airline flying from Melbourne to St. Louis

Fly with Cheapflights

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

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

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

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

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Travel Smart

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 19 August 2026.

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 19 August 2026.

Last-minute flights from Melbourne to St. Louis
Discover last-minute flight deals from Melbourne to St. Louis. Data last updated 19 August 2026 and is based on user searches.

One-way flights from Melbourne to St. Louis
Search for one-way flight options from Melbourne to St. Louis. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.