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St. Louis

$511+ Cheap flights from Melbourne (MEL) to St. Louis (STL)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
MEL — STL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 September 17, 2025.

Round-trip from

$844
(United Airlines)

One-way from

$511
(Air Canada)

Popular in

September

Cheapest in

January

Average price

$1,632
From Melbourne to Lambert-St Louis
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One-way flight from Melbourne to Lambert-St Louis
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Highest demand for flights based on searches. 7% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Melbourne to St. Louis

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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1311:55 amMEL - STL
2 stops37h 57mUnited Airlines
Mon 10/205:28 pmSTL - MEL
2 stops23h 47mUnited Airlines
Deal found 9/15$844
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/112:00 pmMEL - STL
1 stop20h 27mUnited Airlines
Sat 11/89:00 amSTL - MEL
2 stops32h 00mUnited Airlines
Deal found 9/17$846
This Booking.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:00 pmMEL - STL
3 stops61h 29mMultiple Airlines
Sat 11/84:05 pmSTL - MEL
3 stops57h 30mMultiple Airlines
Deal found 9/17$974
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/134:05 pmMEL - STL
1 stop20h 46mAmerican Airlines
Mon 10/207:01 amSTL - MEL
1 stop29h 59mAmerican Airlines
Deal found 9/15$1,039
This Gotogate deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/134:00 pmMEL - STL
3 stops43h 43mMultiple Airlines
Mon 10/204:05 pmSTL - MEL
3 stops56h 30mMultiple Airlines
Deal found 9/15$1,198
This Ovago deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/112:00 pmMEL - STL
1 stop27h 05mQantas Airways
Sat 11/86:03 pmSTL - MEL
1 stop41h 57mQantas Airways
Deal found 9/17$1,768
This oojo deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1212:45 amMEL - STL
2 stops39h 04mCathay Pacific
Mon 10/207:41 pmSTL - MEL
2 stops35h 34mCathay Pacific
Deal found 9/15$2,090
This Ovago deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:45 amMEL - STL
2 stops33h 26mCathay Pacific
Sat 11/88:39 amSTL - MEL
2 stops34h 51mCathay Pacific
Deal found 9/17$10,831

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Melbourne Airport 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

Mon 10/13

11:55 am-9:52 am

2 stops37h 57m

Lambert-St Louis

Mon 10/20

5:28 pm-9:15 am

2 stops23h 47m

$844

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 11/1

12:00 pm-4:27 pm

1 stop20h 27m

Lambert-St Louis

Sat 11/8

9:00 am-10:00 am

2 stops32h 00m

$846

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 3/6

11:30 am-5:14 pm

2 stops22h 44m

Lambert-St Louis

Tue 3/10

3:15 pm-9:00 am

2 stops25h 45m

$977

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 1/14

11:30 am-8:58 pm

2 stops26h 28m

$522

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 11/20

1:00 pm-9:54 pm

2 stops25h 54m

$522

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 12/13

1:00 pm-4:29 pm

1 stop20h 29m

$527

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Tue 12/16

1:00 pm-4:28 pm

2 stops44h 28m

$529

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 round-trip 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, August is the cheapest month in which you can book a flight from Melbourne Airport to St. Louis (average of $311). Flying from Melbourne Airport to St. Louis in March is currently the most expensive (average of $356). 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 to fly round-trip 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 September 17, 2025.
Peruse reviews from past customers who have flown with United Airlines from Melbourne Airport to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as 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?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Melbourne to St. Louis. 1 airline have flights to Lambert-St Louis from Melbourne on a regular basis. Booking flights from Melbourne to Lambert-St Louis should not be difficult; the airport handles an average of 0 inbound flights from Melbourne per day.

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

    There are many flights that can get you from Melbourne Airport to St. Louis in 37h 57m. Fly via United Airlines to get the fastest option. There are 9479 mi between Melbourne Airport and St. Louis.

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

    Flying on United Airlines is currently your cheapest option to St. Louis, with prices starting at $822. 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 vacation 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, August is the cheapest month in which you can book a flight from Melbourne Airport to St. Louis (average of $311). Flying from Melbourne Airport to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$822Average$1,307FlexibilityNo cancel feeOn-time69%

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