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St. Louis

$806+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
MEL — STL
Jun 16 — Jun 231
Tue 6/16
Tue 6/23
1 adult, Economy
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Cheap 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 May 17, 2026.

This American Airlines deal was found by Cheapflights users on 5/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:45 am
MEL
-
STL
1 stop28h 10m
American Airlines
Sun 9/276:51 pm
STL
-
MEL
1 stop43h 09m
American Airlines
Deal found 5/17$1,270
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Mon 9/710:55 am
MEL
-
STL
1 stop22h 44m
United Airlines
Sun 9/277:00 am
STL
-
MEL
1 stop34h 15m
United Airlines
Deal found 5/17$1,281
This Air Canada deal was found by Cheapflights users on 5/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:30 pm
MEL
-
STL
3 stops38h 39m
Air Canada
Sun 6/72:15 pm
STL
-
MEL
3 stops30h 20m
Air Canada
Deal found 5/12$1,386
This TravelUp deal was found by Cheapflights users on 5/15. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:30 am
MEL
-
STL
2 stops28h 59m
Multiple Airlines
Sat 6/207:05 pm
STL
-
MEL
2 stops69h 25m
Multiple Airlines
Deal found 5/15$1,491
This Air Canada deal was found by Cheapflights users on 5/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:30 pm
MEL
-
STL
3 stops38h 30m
Air Canada
Sun 9/278:55 am
STL
-
MEL
3 stops35h 10m
Air Canada
Deal found 5/17$1,587
This Bravofly deal was found by Cheapflights users on 5/15. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:00 pm
MEL
-
STL
2 stops41h 56m
Qantas Airways
Sat 6/206:35 am
STL
-
MEL
1 stop33h 10m
Qantas Airways
Deal found 5/15$1,664
This Qantas Airways deal was found by Cheapflights users on 5/17. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/72:20 pm
MEL
-
STL
2 stops23h 35m
Multiple Airlines
Sun 9/274:29 pm
STL
-
MEL
3 stops28h 11m
Multiple Airlines
Deal found 5/17$1,802

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 May 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,270
(American Airlines)

One-way from

$806
(United Airlines)

Popular in

September

Cheapest in

June

Average price

$1,399
Provider with most accurate pricing for Melbourne-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Melbourne-Lambert-St Louis flights.
Search Deals
From Melbourne to Lambert-St Louis
Search Deals
One-way flight from Melbourne to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 17, 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 round-trip

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 9/7

10:55 am-6:39 pm

1 stop22h 44m

Lambert-St Louis

Sun 9/27

7:00 am-8:15 am

1 stop34h 15m

$1,281

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 6/3

8:30 pm-8:09 pm

3 stops38h 39m

Lambert-St Louis

Sun 6/7

2:15 pm-11:35 am

3 stops30h 20m

$1,386

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sun 6/14

9:00 pm-11:56 pm

2 stops41h 56m

Lambert-St Louis

Sat 6/20

6:35 am-6:45 am

1 stop33h 10m

$1,664

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Mon 9/7

2:20 pm-10:55 pm

2 stops23h 35m

Lambert-St Louis

Sun 9/27

4:29 pm-11:40 am

3 stops28h 11m

$1,802
Quickest round-trip

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 6/3

10:55 am-6:17 pm

1 stop22h 22m

Lambert-St Louis

Sun 6/7

7:23 pm-8:15 am

1 stop21h 52m

$2,062
Cheapest one-way

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Tue 9/8

8:50 pm-11:02 pm

3 stops41h 12m

$860

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/26

10:00 am-11:23 pm

2 stops28h 23m

$1,089
Quickest one-way

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 6/27

10:55 am-6:17 pm

1 stop22h 22m

$1,305

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 6/26

6:00 am-12:21 pm

3 stops45h 21m

$1,442

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/16

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Melbourne Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Melbourne Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Melbourne Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Melbourne Airport-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Melbourne Airport-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, June is the cheapest month in which you can book a flight from Melbourne Airport to St. Louis (average of $820). Flying from Melbourne Airport to St. Louis in September is currently the most expensive (average of $1,503). 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 May 17, 2026.
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
9,730 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

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
9,730 reviews
United Airlines
7.4
Good
9,730 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

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?

    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 22h 44m. Fly via United Airlines or Air Canada to get the fastest option. There are 9479 mi between Melbourne Airport and St. Louis. This flight may include one or multiple stops.

  • 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 30% 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, June is the cheapest month in which you can book a flight from Melbourne Airport to St. Louis (average of $820). Flying from Melbourne Airport to St. Louis in September is currently the most expensive (average of $1,503). 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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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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 2,558,603 searches. Data last updated May 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$822Average$1,483FlexibilityNo cancel feeOn-time69%

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