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Cheap flights from Melbourne to St. Louis from $1,265

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
MEL — STL
27 Mar — 3 Apr1
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 25 February 2026.

Wed 18/312:00
MEL
-
STL
2 stops27h 34m
United Airlines
Sun 22/308:17
STL
-
MEL
2 stops32h 43m
United Airlines
Deal found 23/2$1,265
Wed 18/316:05
MEL
-
STL
1 stop19h 24m
American Airlines
Sun 22/306:38
STL
-
MEL
1 stop34h 52m
American Airlines
Deal found 23/2$1,353
Mon 7/910:55
MEL
-
STL
1 stop21h 58m
United Airlines
Sun 27/905:20
STL
-
MEL
2 stops35h 55m
United Airlines
Deal found 21/2$1,493
Fri 10/413:30
MEL
-
STL
2 stops25h 27m
Multiple Airlines
Fri 17/406:21
STL
-
MEL
2 stops49h 14m
Multiple Airlines
Deal found 23/2$1,635
Sat 28/310:30
MEL
-
STL
2 stops38h 05m
United Airlines
Sat 4/419:05
STL
-
MEL
1 stop22h 10m
United Airlines
Deal found 22/2$1,903
Mon 7/920:50
MEL
-
STL
3 stops38h 10m
Multiple Airlines
Sun 27/908:55
STL
-
MEL
3 stops35h 10m
Multiple Airlines
Deal found 24/2$2,176

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 25 February 2026.

Round-trip from

$1,265

Popular in

September

Cheapest in

January

Average price

$1,470
United Airlines
  • United Airlines
  • 18/3-22/3
  • 4 total stops
  • 60h 17m total
  • Melbourne to St. Louis
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($230 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($54 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 25 February 2026.
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

Wed 18/3

10:30-18:00

2 stops23h 30m

Lambert-St Louis

Sun 22/3

06:51-09:00

1 stop34h 09m

$1,265

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 10/4

13:30-23:57

2 stops25h 27m

Lambert-St Louis

Fri 17/4

06:21-22:35

2 stops49h 14m

$1,635

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 28/3

10:30-20:41

2 stops26h 11m

Lambert-St Louis

Sat 4/4

19:05-08:15

1 stop22h 10m

$1,903

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 25/6

00:35-13:55

3 stops52h 20m

$1,546

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 26/6

10:55-08:41

2 stops36h 46m

$1,625

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 27/6

10:55-10:07

2 stops38h 12m

$1,659

Flights are sorted by cheapest return flights first.

Deals found on 23/2

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 $1,067). Flying from Melbourne to St. Louis in September is currently the most expensive (average of $1,714). 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.

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 25 February 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
9,345 reviews
Check prices

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,345 reviews
United Airlines
7.4
Good
9,345 reviews
Check prices

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 23h 30m. The distance from Melbourne to St. Louis is about 15255 km.

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

    United Airlines, at $1,159, was found to be the cheapest airline from Melbourne to St. Louis.. 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 $1,067). Flying from Melbourne to St. Louis in September is currently the most expensive (average of $1,714). 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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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 25 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,159Average$1,593FlexibilityNo 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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