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Cheap flights from Melbourne to St. Louis from $840

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 26/6. Fares are subject to change and may not be available on all flights or dates of travel.
MEL — STL
16 Jul — 23 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 June 2026.

Wed 5/809:45
MEL
-
STL
2 stops46h 52m
American Airlines
Sun 9/818:45
STL
-
MEL
1 stop43h 15m
American Airlines
Deal found 15/6$1,701
Wed 5/806:00
MEL
-
STL
3 stops47h 02m
Air Canada
Sun 9/808:55
STL
-
MEL
3 stops35h 40m
Air Canada
Deal found 15/6$1,722
Mon 7/909:45
MEL
-
STL
1 stop28h 14m
American Airlines
Sun 27/906:00
STL
-
MEL
1 stop33h 45m
American Airlines
Deal found 12/6$1,764
Mon 7/910:55
MEL
-
STL
2 stops43h 43m
United Airlines
Sun 27/907:08
STL
-
MEL
1 stop34h 07m
United Airlines
Deal found 12/6$1,780
Mon 7/909:45
MEL
-
STL
1 stop28h 14m
Qantas Airways
Sun 27/918:43
STL
-
MEL
1 stop43h 17m
Qantas Airways
Deal found 15/6$1,791
Sun 12/710:55
MEL
-
STL
1 stop22h 22m
United Airlines
Sat 18/705:10
STL
-
MEL
2 stops60h 05m
United Airlines
Deal found 15/6$2,060

Find 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 16 June 2026.

Round-trip from

$1,701

One-way from

$840

Popular in

September

Cheapest in

June

Average price

$1,160
American Airlines
  • American Airlines
  • 5/8-9/8
  • 3 total stops
  • 90h 07m total
  • Melbourne to St. Louis
Search Deals
United Airlines
  • United Airlines
  • 26/6
  • 1 total stop
  • 22h 22m total
  • Melbourne to St. Louis
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($263 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($55 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 16 June 2026.
Use the filters below to find and compare flights from Melbourne to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 5/8

06:00-14:02

3 stops47h 02m

Lambert-St Louis

Sun 9/8

08:55-11:35

3 stops35h 40m

$1,722
Fastest return journey

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 7/9

09:45-08:23

2 stops37h 38m

Lambert-St Louis

Sun 27/9

14:27-06:45

2 stops25h 18m

$1,774

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 7/9

10:55-15:38

2 stops43h 43m

Lambert-St Louis

Sun 27/9

07:08-08:15

1 stop34h 07m

$1,780

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sun 12/7

10:55-18:17

1 stop22h 22m

Lambert-St Louis

Sat 18/7

05:10-08:15

2 stops60h 05m

$2,060
Cheapest one-way
Fastest single journey

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 26/6

10:55-22:45

2 stops26h 50m

$846

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 27/6

10:55-23:57

2 stops52h 02m

$874

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 9/10

09:45-23:05

1 stop29h 20m

$1,114

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 9/10

10:30-12:40

2 stops42h 10m

$1,124

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Sorted 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.
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, April is the cheapest month in which you can book a flight from Melbourne to St. Louis (average of $1,000). Flying from Melbourne to St. Louis in August is currently the most expensive (average of $2,025). 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 Melbourne to St. Louis?

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 16 June 2026.
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
9,842 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,842 reviews
United Airlines
7.4
Good
9,842 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 1 airline.

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

    Departing from Melbourne to St. Louis will take you 37h 38m. 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 $1,041, was found to be the cheapest airline from Melbourne to St. Louis.. United Airlines is 38% 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, April is the cheapest month in which you can book a flight from Melbourne to St. Louis (average of $1,000). Flying from Melbourne to St. Louis in August is currently the most expensive (average of $2,025). 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.
Melbourne to St. Louis flights
Melbourne to Kansas City flights

Top airline flying from Melbourne to St. Louis

Discover the top airline 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 16 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,041Average$1,319FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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