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$571+ Cheap flights from St. Louis (STL) to Melbourne

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MEL
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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 January 26, 2026.

This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:08 pm
STL
-
MEL
2 stops36h 37m
Qantas Airways
Tue 3/1712:00 pm
MEL
-
STL
1 stop27h 58m
Qantas Airways
Deal found 1/24$1,002
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/711:55 am
STL
-
MEL
2 stops34h 40m
Qantas Airways
Sat 2/2112:00 pm
MEL
-
STL
1 stop28h 59m
Qantas Airways
Deal found 1/24$1,083
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.
Mon 3/304:13 pm
STL
-
MEL
1 stop20h 47m
Multiple Airlines
Mon 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.
Wed 3/114:13 pm
STL
-
MEL
1 stop20h 47m
Qantas Airways
Wed 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 1/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/75:04 pm
STL
-
MEL
2 stops32h 41m
Multiple Airlines
Sat 2/217:00 am
MEL
-
STL
2 stops29h 42m
Multiple Airlines
Deal found 1/24$1,176
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/306:38 am
STL
-
MEL
2 stops35h 22m
Qantas Airways
Mon 4/61:35 pm
MEL
-
STL
1 stop20h 54m
Qantas Airways
Deal found 1/24$1,186
This KAYAK deal was found by Cheapflights users on 1/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/311:46 am
STL
-
MEL
1 stop26h 14m
Qantas Airways
Sun 4/199:45 am
MEL
-
STL
1 stop29h 14m
Qantas Airways
Deal found 1/23$1,202
This American Airlines deal was found by Cheapflights users on 1/23. 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.
Thu 3/124:50 pm
STL
-
MEL
2 stops24h 40m
American Airlines
Sat 3/214:05 pm
MEL
-
STL
1 stop20h 27m
American Airlines
Deal found 1/23$1,270
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/711:55 am
STL
-
AVV
2 stops50h 40m
Multiple Airlines
Sat 2/216:00 am
AVV
-
STL
2 stops28h 13m
Multiple Airlines
Deal found 1/24$1,574
This Expedia deal was found by Cheapflights users on 1/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/277:04 am
STL
-
AVV
2 stops38h 06m
Multiple Airlines
Thu 1/298:55 pm
AVV
-
STL
2 stops36h 19m
Multiple Airlines
Deal found 1/23$1,659
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/34:05 pm
STL
-
AVV
3 stops61h 15m
Multiple Airlines
Sun 4/198:55 pm
AVV
-
STL
3 stops57h 29m
Multiple Airlines
Deal found 1/24$1,962
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/304:05 pm
STL
-
AVV
3 stops54h 05m
Multiple Airlines
Mon 4/68:55 pm
AVV
-
STL
3 stops57h 29m
Multiple Airlines
Deal found 1/24$2,049

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 (ME1). 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 January 26, 2026.

Round-trip from

$1,002
(Priceline)

One-way from

$571
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$1,343
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 January 26, 2026.
Use the filters below to find and compare flights from St. Louis to Melbourne that are best for you.

Fly from

St. Louis

Fly to

Melbourne

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 3/10

6:08 pm-10:45 pm

2 stops36h 37m

Melbourne

Tue 3/17

12:00 pm-11:58 pm

1 stop27h 58m

$1,002

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 3/30

4:13 pm-5:00 am

1 stop20h 47m

Melbourne

Mon 4/6

1:35 pm-7:29 pm

1 stop20h 54m

$1,137

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 3/11

4:13 pm-5:00 am

1 stop20h 47m

Melbourne

Wed 3/18

4:05 pm-7:29 pm

1 stop19h 24m

$1,158

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 2/7

5:04 pm-6:45 pm

2 stops32h 41m

Melbourne

Sat 2/21

7:00 am-7:42 pm

2 stops29h 42m

$1,176

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 4/3

11:46 am-6:00 am

1 stop26h 14m

Melbourne

Sun 4/19

9:45 am-11:59 pm

1 stop29h 14m

$1,202

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 3/12

4:50 pm-9:30 am

2 stops24h 40m

Melbourne

Sat 3/21

4:05 pm-8:32 pm

1 stop20h 27m

$1,270

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 3/10

2:37 pm-9:30 am

2 stops26h 53m

Melbourne

Tue 3/17

12:00 pm-9:11 pm

2 stops25h 11m

$1,271

St. LouisMelbourne

STL - AVV

STLAVV

Lambert-St Louis

Sat 2/7

11:55 am-7:35 am

2 stops50h 40m

Melbourne Avalon

Sat 2/21

6:00 am-5:13 pm

2 stops28h 13m

$1,574

St. LouisMelbourne

STL - AVV

STLAVV

Lambert-St Louis

Fri 4/3

4:05 pm-9:20 pm

3 stops61h 15m

Melbourne Avalon

Sun 4/19

8:55 pm-3:24 pm

3 stops57h 29m

$1,962

St. LouisMelbourne

STL - AVV

STLAVV

Lambert-St Louis

Mon 3/30

4:05 pm-2:10 pm

3 stops54h 05m

Melbourne Avalon

Mon 4/6

8:55 pm-3:24 pm

3 stops57h 29m

$2,049

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 18 results
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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

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

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

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 January 26, 2026.
Get a feel of what it's like to fly with Qantas Airways, United Airlines, and American Airlines from St. Louis to Melbourne by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
977 reviews

Comfort

7.5

Food

7.0

Crew

8.2

Entertainment

7.2

Boarding

7.7

Overall

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
977 reviews
Qantas Airways
7.5
Good
977 reviews

Comfort

7.5

Food

7.0

Crew

8.2

Entertainment

7.2

Boarding

7.7

Overall

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
9,199 reviews
Qantas Airways
7.5
Good
977 reviews

Comfort

7.5

Food

7.0

Crew

8.2

Entertainment

7.2

Boarding

7.7

Overall

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
11,189 reviews
Qantas Airways
7.5
Good
977 reviews

Comfort

7.5

Food

7.0

Crew

8.2

Entertainment

7.2

Boarding

7.7

Overall

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?

    If you book a flight to Melbourne from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 0 flights from Lambert-St Louis to Melbourne per day from 3 different airlines.

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

    Qantas Airways can get you from St. Louis to Melbourne in just under 36h 37m. Your travel time can differ by up to . The distance from St. Louis to Melbourne is about 9479 mi.

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

    Our cheapest airline available from St. Louis to Melbourne is American Airlines. Our recent data shows that you can find tickets from as low as $1,118 on this airline. Additional options worth looking into are United Airlines and Qantas Airways, starting at $1,279 and $1,384 round-trip. American Airlines is priced at 24% lower than the current average price of a flight leaving 3 months from now.

  • 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?

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

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.

Alternative routes for St. Louis to Melbourne

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Melbourne flights
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 January 26, 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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