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$503+ Cheap flights from St. Louis (STL) to Melbourne (MEL)

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEL
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
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Cheap flight deals from St. Louis to Melbourne

Cheapest flights from St. Louis to Melbourne
Explore the most affordable flight options available from St. Louis to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 27, 2026.

This oojo deal was found by Cheapflights users on 1/26. 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.
mar. 1/277:04 am
STL
-
MEL
2 stops39h 31m
Qantas Airways
lun. 2/212:00 pm
MEL
-
STL
1 stop28h 59m
Qantas Airways
Deal found 1/26$1,105
This FlightHub deal was found by Cheapflights users on 1/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/304:13 pm
STL
-
MEL
1 stop20h 47m
Qantas Airways
lun. 4/61:35 pm
MEL
-
STL
1 stop20h 54m
Qantas Airways
Deal found 1/25$1,135
This Qantas Airways deal was found by Cheapflights users on 1/24. 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.
lun. 3/304:13 pm
STL
-
MEL
1 stop20h 47m
Multiple Airlines
lun. 4/61:35 pm
MEL
-
STL
1 stop20h 54m
Multiple Airlines
Deal found 1/24$1,137
This Qantas Airways deal was found by Cheapflights users on 1/25. 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.
mié. 3/114:13 pm
STL
-
MEL
1 stop20h 47m
Qantas Airways
mié. 3/184:05 pm
MEL
-
STL
1 stop19h 24m
Qantas Airways
Deal found 1/25$1,158
This oojo deal was found by Cheapflights users on 1/25. 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.
mar. 2/176:38 am
STL
-
MEL
2 stops34h 47m
Qantas Airways
mié. 2/254:05 pm
MEL
-
STL
1 stop20h 24m
Qantas Airways
Deal found 1/25$1,187
This Qantas Airways deal was found by Cheapflights users on 1/25. 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.
dom. 3/296:38 am
STL
-
MEL
1 stop32h 07m
Qantas Airways
mié. 4/89:45 am
MEL
-
STL
1 stop29h 14m
Qantas Airways
Deal found 1/25$1,189
This oojo deal was found by Cheapflights users on 1/26. 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.
lun. 2/166:38 am
STL
-
MEL
2 stops34h 47m
Qantas Airways
sáb. 2/284:05 pm
MEL
-
STL
1 stop40h 23m
Qantas Airways
Deal found 1/26$1,218
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/310:50 am
STL
-
MEL
2 stops30h 00m
Delta
dom. 4/1910:00 am
MEL
-
STL
2 stops28h 34m
Delta
Deal found 1/26$1,221
This Qantas Airways deal was found by Cheapflights users on 1/25. 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.
vie. 3/274:13 pm
STL
-
MEL
1 stop20h 47m
Qantas Airways
mié. 4/89:45 am
MEL
-
STL
1 stop29h 14m
Qantas Airways
Deal found 1/25$1,239
This FlightHub deal was found by Cheapflights users on 1/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/296:38 am
STL
-
MEL
2 stops35h 52m
Qantas Airways
lun. 4/61:35 pm
MEL
-
STL
1 stop20h 54m
Qantas Airways
Deal found 1/25$1,255

Find flight deals from St. Louis to Melbourne

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Melbourne (MEL). 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 enero 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,135
(FlightHub)

One-way from

$503
(Trip.com)

Popular in

July

Cheapest in

January

Average price

$1,343
Provider with most accurate pricing for Lambert-St Louis-Melbourne flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Melbourne flights.
Search Deals
From Lambert-St Louis to Melbourne
Search Deals
One-way flight from Lambert-St Louis to Melbourne
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Melbourne 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 enero 27, 2026.
Use the filters below to find and compare flights from St. Louis to Melbourne Airport that are best for you.

Fly from

St. Louis

Fly to

Melbourne

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

lun. 3/30

4:13 pm-5:00 am

1 stop20h 47m

Melbourne

lun. 4/6

1:35 pm-7:29 pm

1 stop20h 54m

$1,137

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

mié. 3/11

4:13 pm-5:00 am

1 stop20h 47m

Melbourne

mié. 3/18

4:05 pm-7:29 pm

1 stop19h 24m

$1,158

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

vie. 3/27

4:13 pm-5:00 am

1 stop20h 47m

Melbourne

mié. 4/8

9:45 am-11:59 pm

1 stop29h 14m

$1,239

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

jue. 3/12

2:31 pm-9:30 am

2 stops26h 59m

Melbourne

sáb. 3/21

4:05 pm-8:32 pm

1 stop20h 27m

$1,271

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

vie. 4/3

7:05 pm-9:15 am

1 stop22h 10m

Melbourne

dom. 4/19

10:55 am-8:54 pm

2 stops24h 59m

$1,294

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

mié. 3/11

2:50 pm-9:00 am

2 stops26h 10m

Melbourne

mié. 3/18

12:00 pm-10:25 pm

1 stop26h 25m

$1,294

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

lun. 3/9

12:14 pm-12:45 pm

3 stops32h 31m

$503

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

lun. 3/9

4:13 pm-5:00 am

1 stop20h 47m

$723

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

jue. 2/12

6:00 am-9:30 am

2 stops34h 30m

$2,185

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

jue. 2/12

6:10 am-10:55 am

3 stops35h 45m

$3,236

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Compare providers for flights from St. Louis to Melbourne

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Melbourne in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Melbourne Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Melbourne Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Melbourne Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Melbourne Airport 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 St. Louis-Melbourne Airport 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 St. Louis to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne from St. Louis 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 St. Louis to Melbourne Airport

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

Currently, August is the cheapest month in which you can book a flight from St. Louis to Melbourne Airport (average of $1,075). Flying from St. Louis to Melbourne Airport in July is currently the most expensive (average of $1,553). 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 St. Louis to Melbourne Airport?

Reviews of airlines servicing Melbourne

Get insights into the airlines that provide service to Melbourne. 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 Melbourne. Reviews last updated enero 27, 2026.
Read through reviews of airlines operating flights from St. Louis to Melbourne Airport, such as Qantas Airways, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
978 reviews

Crew

8.2

Food

7.0

Entertainment

7.2

Overall

7.5

Boarding

7.7

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
978 reviews
Qantas Airways
7.5
Good
978 reviews

Crew

8.2

Food

7.0

Entertainment

7.2

Overall

7.5

Boarding

7.7

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
United Airlines
7.4
Good
9,205 reviews
Qantas Airways
7.5
Good
978 reviews

Crew

8.2

Food

7.0

Entertainment

7.2

Overall

7.5

Boarding

7.7

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
American Airlines
7.2
Good
11,197 reviews
Qantas Airways
7.5
Good
978 reviews

Crew

8.2

Food

7.0

Entertainment

7.2

Overall

7.5

Boarding

7.7

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Melbourne. 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 from for flights from St. Louis to Melbourne?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Melbourne. 3 airlines have flights from Lambert-St Louis to Melbourne on a regular basis. Booking flights from Lambert-St Louis to Melbourne should not be difficult; the airport handles an average of 0 outbound flights to Melbourne per day.

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

    Departing from St. Louis to Melbourne Airport will take you 20h 47m. St. Louis and Melbourne Airport are separated by a distance of 9479 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from St. Louis to Melbourne Airport round-trip?

    Cheapflights users have booked flights from St. Louis to Melbourne Airport round-trip from $1,118. Other airlines that can offer you cheap pricing are United Airlines, from $1,279, and Qantas Airways, from $1,384. American Airlines is currently priced 24% below the average price you’ll pay for this route.

  • Can I find deals for flights from St. Louis to Melbourne that include hotel bookings?

    Yes. In addition to deals on St. Louis to Melbourne flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Melbourne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Melbourne.

  • Can I find deals for business class flights from St. Louis to Melbourne?

    Yes. Cheapflights offers flight deals from St. Louis to Melbourne 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 St. Louis to Melbourne Airport?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Melbourne Airport (average of $1,075). Flying from St. Louis to Melbourne Airport in July is currently the most expensive (average of $1,553). 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 Melbourne Airport?

Book flights to Melbourne Airport if you plan to visit one of these locations
Geelong
Doncaster
Phillip Island
Tullamarine

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Melbourne

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Melbourne flights
Kansas City to Avalon flights
Columbia to Melbourne flights

Top 3 airlines flying from St. Louis to Melbourne

Discover the top 3 airlines that operate flights from St. Louis to Melbourne. 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 enero 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,118Average$1,415FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,279Average$1,552FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,384Average$1,525FlexibilityNo cancel feeOn-time74%

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