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Cheap flights from Melbourne Airport to St. Louis from $692

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
MEL — STL
13 May — 20 May1
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 13 April 2026.

Fri 29/506:00
MEL
-
STL
3 stops45h 06m
Air Canada
Tue 2/608:40
STL
-
MEL
3 stops35h 25m
Air Canada
Deal found 12/4$1,555
Fri 15/506:00
MEL
-
STL
3 stops29h 09m
Air Canada
Fri 22/507:05
STL
-
MEL
3 stops37h 30m
Air Canada
Deal found 12/4$1,598
Sat 23/513:35
MEL
-
STL
1 stop19h 55m
Qantas Airways
Sat 30/517:11
STL
-
MEL
1 stop20h 49m
Qantas Airways
Deal found 8/4$1,601
Sat 23/509:45
MEL
-
STL
2 stops22h 49m
American Airlines
Sat 30/513:45
STL
-
MEL
2 stops26h 00m
American Airlines
Deal found 8/4$1,608
Sun 10/509:45
MEL
-
STL
1 stop29h 14m
American Airlines
Sun 17/506:21
STL
-
MEL
1 stop33h 24m
American Airlines
Deal found 12/4$1,621
Fri 15/510:55
MEL
-
STL
2 stops24h 48m
United Airlines
Fri 22/513:13
STL
-
MEL
2 stops27h 17m
United Airlines
Deal found 12/4$1,637
Sun 10/510:00
MEL
-
STL
2 stops24h 03m
Delta
Sun 17/515:11
STL
-
MEL
2 stops49h 39m
Delta
Deal found 12/4$1,648

Find flight deals from Melbourne to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Melbourne (MEL) 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 April 2026.

Round-trip from

$1,555

One-way from

$692

Popular in

September

Cheapest in

June

Average price

$2,006
Air Canada
  • Air Canada
  • 29/5-2/6
  • 6 total stops
  • 80h 31m total
  • Melbourne to St. Louis
Search Deals
5/8
  • 5/8
  • 3 total stops
  • 59h 03m total
  • Melbourne to St. Louis
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($301 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($61 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 13 April 2026.
Use the filters below to find and compare flights from Melbourne Airport 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

Fri 29/5

06:00-12:06

3 stops45h 06m

Lambert-St Louis

Tue 2/6

08:40-11:05

3 stops35h 25m

$1,555
Fastest return journey

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 23/5

13:35-18:30

1 stop19h 55m

Lambert-St Louis

Sat 30/5

17:11-05:00

1 stop20h 49m

$1,601

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 23/5

09:45-17:34

2 stops22h 49m

Lambert-St Louis

Sat 30/5

13:45-06:45

2 stops26h 00m

$1,608

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 15/5

10:55-20:43

2 stops24h 48m

Lambert-St Louis

Fri 22/5

19:23-08:15

1 stop21h 52m

$1,637

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sun 10/5

10:00-19:03

2 stops24h 03m

Lambert-St Louis

Sun 17/5

15:11-07:50

2 stops49h 39m

$1,648

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 23/5

06:00-12:06

3 stops45h 06m

Lambert-St Louis

Sat 30/5

07:05-11:05

3 stops37h 00m

$1,819

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 7/9

10:55-18:24

1 stop22h 29m

Lambert-St Louis

Sun 27/9

13:27-08:15

2 stops27h 48m

$2,432
Cheapest one-way

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Tue 4/8

10:55-17:23

2 stops45h 28m

$1,011

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sun 9/8

10:00-23:53

2 stops28h 53m

$1,011
Fastest single journey

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 6/8

10:55-18:17

1 stop22h 22m

$1,011

Flights are sorted by cheapest return flights first.

Deals found on 9/4

Showing 1-10 of 15 resultsSorted by cheapest first
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 Airport to St. Louis

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

Currently, December is the cheapest month in which you can book a flight from Melbourne Airport to St. Louis (average of $1,066). Flying from Melbourne Airport to St. Louis in April is currently the most expensive (average of $1,944). 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 Airport 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 13 April 2026.
Read reviews from past customers who have flown with United Airlines from Melbourne Airport to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,579 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

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
9,579 reviews
United Airlines
7.4
Good
9,579 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

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?

    For a flight from Melbourne to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 20.4 km from the centre vof the city. Lambert-St Louis is the only St. Louis airport and it handles 0 inbound flights from Melbourne per day. 1 airline has flights to Lambert-St Louis from Melbourne on a regular basis.

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

    Departing from Melbourne Airport to St. Louis will take you 19h 55m. The distance between Melbourne Airport and St. Louis is about 15255 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at $1,159, United Airlines will fly you from Melbourne Airport to St. Louis and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Users have found that United Airlines is 30% cheaper than the other options available 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 Airport to St. Louis?

    Currently, December is the cheapest month in which you can book a flight from Melbourne Airport to St. Louis (average of $1,066). Flying from Melbourne Airport to St. Louis in April is currently the most expensive (average of $1,944). 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.
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 13 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,159Average$1,466FlexibilityNo 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?

When you search for this flight from Melbourne to St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Melbourne to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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 offers price alerts on Melbourne to St. Louis flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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