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Cheap flights from Melbourne Airport to St. Louis from $1,513

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/7. Fares are subject to change and may not be available on all flights or dates of travel.
MEL — STL
25 Apr — 2 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 26 March 2026.

Fri 31/706:00
MEL
-
STL
3 stops47h 02m
Multiple Airlines
Sun 6/914:40
STL
-
MEL
3 stops29h 45m
Multiple Airlines
Deal found 21/3$1,513
Fri 31/709:45
MEL
-
STL
1 stop29h 14m
American Airlines
Sun 6/912:43
STL
-
MEL
2 stops27h 02m
American Airlines
Deal found 21/3$1,517
Thu 7/506:00
MEL
-
STL
3 stops45h 06m
Air Canada
Mon 11/514:15
STL
-
MEL
3 stops30h 20m
Air Canada
Deal found 23/3$1,563
Fri 8/509:00
MEL
-
STL
2 stops23h 21m
American Airlines
Fri 15/518:11
STL
-
MEL
2 stops25h 24m
American Airlines
Deal found 24/3$1,583
Mon 7/913:35
MEL
-
STL
2 stops25h 16m
American Airlines
Sun 27/920:07
STL
-
MEL
2 stops43h 38m
American Airlines
Deal found 21/3$1,659
Fri 31/710:55
MEL
-
STL
1 stop22h 22m
United Airlines
Sun 6/913:18
STL
-
MEL
2 stops27h 57m
United Airlines
Deal found 24/3$1,669
Mon 7/913:35
MEL
-
STL
1 stop19h 39m
Qantas Airways
Sun 27/906:30
STL
-
MEL
1 stop33h 15m
Qantas Airways
Deal found 23/3$1,672
Mon 7/910:55
MEL
-
STL
2 stops38h 14m
United Airlines
Sun 27/918:49
STL
-
MEL
2 stops45h 41m
United Airlines
Deal found 23/3$1,685

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 26 March 2026.

Round-trip from

$1,513

Popular in

September

Cheapest in

January

Average price

$1,675
31/7-6/9
  • 31/7-6/9
  • 6 total stops
  • 76h 47m total
  • Melbourne to St. Louis
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($264 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($58 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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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 26 March 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

Mon 7/9

13:35-23:41

1 stop25h 06m

Lambert-St Louis

Sun 27/9

20:07-06:45

2 stops43h 38m

$1,659

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 7/9

10:55-10:09

2 stops38h 14m

Lambert-St Louis

Sun 27/9

18:49-07:30

2 stops45h 41m

$1,685

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 7/9

09:00-23:51

3 stops29h 51m

Lambert-St Louis

Sun 27/9

18:51-11:10

2 stops25h 19m

$1,754

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 9/9

10:00-00:36

2 stops29h 36m

Lambert-St Louis

Wed 23/9

11:51-07:50

2 stops28h 59m

$1,812
Fastest return journey

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 31/7

08:15-16:33

2 stops23h 18m

Lambert-St Louis

Sun 6/9

16:18-11:40

3 stops28h 22m

$2,162
Cheapest one-way

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 26/6

10:00-00:39

2 stops29h 39m

$1,519

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 27/6

09:45-23:56

1 stop29h 11m

$2,015
Fastest single journey

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 26/6

08:15-20:30

3 stops27h 15m

$2,334

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 26/6

06:00-12:21

3 stops45h 21m

$2,423

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 27/6

18:00-21:37

3 stops42h 37m

$2,521

Flights are sorted by cheapest return flights first.

Deals found on 22/3

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 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 $1,081). Flying from Melbourne Airport to St. Louis in April is currently the most expensive (average of $1,971). 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 26 March 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
9,484 reviews
Check prices

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

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
9,484 reviews
United Airlines
7.4
Good
9,484 reviews
Check prices

Food

6.6

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

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 25h 06m. 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 $1,175, 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 31% 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 $1,081). Flying from Melbourne Airport to St. Louis in April is currently the most expensive (average of $1,971). 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 26 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,175Average$1,487FlexibilityNo 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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