Cheap flights from Melbourne to St. Louis from $887

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 14/1. Fares are subject to change and may not be available on all flights or dates of travel.
MEL — STL
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Melbourne to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Melbourne (ME1) 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 27 November 2025.

Round-trip from

$1,324

One-way from

$887

Popular in

September

Cheapest in

January

Average price

$2,063
Delta
  • Delta
  • 30/1-8/2
  • 4 total stops
  • 70h 36m total
  • Melbourne to St. Louis
14/1
  • 14/1
  • 1 total stop
  • 20h 24m total
  • Melbourne to St. Louis
Highest demand for flights based on searches. 4% potential increase in price ($122 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($63 potential savings vs. average return price).
Average for round-trip flights in November 2025

Find 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 27 November 2025.

Tue 16/1213:00MEL - STL
1 stop20h 27mUnited Airlines
Wed 31/1214:45STL - MEL
2 stops25h 45mUnited Airlines
Deal found 23/11$1,828
Wed 17/1210:10MEL - STL
2 stops39h 14mDelta
Wed 31/1214:18STL - MEL
2 stops24h 42mDelta
Deal found 23/11$2,231
Sun 14/1211:30MEL - STL
2 stops26h 27mUnited Airlines
Tue 30/1214:45STL - MEL
2 stops25h 45mUnited Airlines
Deal found 23/11$2,271
Sun 14/1211:30MEL - STL
2 stops21h 58mUnited Airlines
Thu 1/106:00STL - MEL
2 stops34h 30mUnited Airlines
Deal found 23/11$2,345
Sun 14/1213:00MEL - STL
1 stop20h 27mUnited Airlines
Fri 2/106:41STL - MEL
2 stops34h 24mUnited Airlines
Deal found 23/11$2,683
Sun 14/1213:00MEL - STL
1 stop20h 27mUnited Airlines
Mon 29/1206:41STL - MEL
1 stop34h 19mUnited Airlines
Deal found 23/11$2,815
Thu 18/1211:30MEL - STL
2 stops27h 52mUnited Airlines
Mon 29/1206:41STL - MEL
1 stop34h 19mUnited Airlines
Deal found 23/11$2,897
Tue 16/1213:30MEL - STL
3 stops26h 17mMultiple Airlines
Wed 31/1215:30STL - MEL
2 stops26h 55mMultiple Airlines
Deal found 23/11$2,993
Wed 17/1210:10MEL - STL
2 stops46h 56mDelta
Mon 29/1219:02STL - MEL
2 stops67h 58mDelta
Deal found 23/11$3,140
Sun 14/1210:10MEL - STL
2 stops41h 35mDelta
Mon 29/1219:02STL - MEL
2 stops67h 58mDelta
Deal found 23/11$3,213
Thu 18/1207:20MEL - STL
2 stops53h 11mJapan Airlines
Mon 29/1214:06STL - MEL
2 stops46h 34mJapan Airlines
Deal found 23/11$3,244

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 27 November 2025.
Use the filters below to find and compare flights from Melbourne 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

Sun 1/2

10:10-20:43

2 stops27h 33m

Lambert-St Louis

Sun 8/2

14:38-08:00

2 stops48h 22m

$1,324

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sun 1/2

10:10-08:53

2 stops39h 43m

Lambert-St Louis

Mon 9/2

12:00-08:00

2 stops27h 00m

$1,324

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 4/2

10:10-16:07

2 stops22h 57m

Lambert-St Louis

Tue 10/2

17:04-08:00

2 stops45h 56m

$1,324

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 30/1

10:10-17:50

2 stops24h 40m

Lambert-St Louis

Thu 5/2

18:57-08:00

2 stops44h 03m

$1,324

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sun 1/2

10:10-23:25

2 stops30h 15m

Lambert-St Louis

Wed 11/2

07:10-08:00

2 stops31h 50m

$1,324

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 30/1

10:10-20:43

2 stops27h 33m

Lambert-St Louis

Mon 9/2

06:00-08:00

2 stops33h 00m

$1,324

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Fri 30/1

10:10-23:37

2 stops30h 27m

Lambert-St Louis

Wed 11/2

07:10-08:00

2 stops31h 50m

$1,324

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Tue 13/1

13:00-16:55

2 stops44h 55m

Lambert-St Louis

Wed 4/2

17:00-10:00

1 stop24h 00m

$1,413

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 29/1

11:30-20:58

2 stops26h 28m

Lambert-St Louis

Sun 8/2

16:35-09:30

2 stops23h 55m

$1,413

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 29/1

11:30-16:55

2 stops22h 25m

Lambert-St Louis

Wed 11/2

17:00-10:00

1 stop24h 00m

$1,413

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 17 results
1
2

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 to St. Louis

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

Currently, December is the cheapest month in which you can book a flight from Melbourne to St. Louis (average of $1,170). Flying from Melbourne to St. Louis in September is currently the most expensive (average of $1,860). 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.

What is the cheapest time of day to fly from MEL to STL?

Find hourly flight availability from Melbourne to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 November 2025.

When flying from Melbourne to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 34% versus a flight in the evening.

How much does it cost for a return flight from Melbourne 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 27 November 2025.
See what other customers who have flown with Qantas Airways and United Airlines from Melbourne to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.1

Entertainment

7.2

Food

7.0

Boarding

7.7

Comfort

7.5

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.

Crew

8.1

Entertainment

7.2

Food

7.0

Boarding

7.7

Comfort

7.5

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.

Crew

8.1

Entertainment

7.2

Food

7.0

Boarding

7.7

Comfort

7.5

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 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?

    Located just 20.4 km from the city centre, Lambert-St Louis is the airport most travellers will use when flying to St. Louis from Melbourne. Booking flights from Melbourne to Lambert-St Louis (STL) should be relatively easy as there are 0 daily inbound flights from Melbourne from 2 different airlines.

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

    Departing from Melbourne to St. Louis will take you 27h 33m. The distance from Melbourne to St. Louis is about 15255 km.

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

    United Airlines, at $1,258, was found to be the cheapest airline from Melbourne to St. Louis. An alternate airline flying to your destination would be Qantas Airways. 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 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 to St. Louis?

    Currently, December is the cheapest month in which you can book a flight from Melbourne to St. Louis (average of $1,170). Flying from Melbourne to St. Louis in September is currently the most expensive (average of $1,860). 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

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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.

Top 2 airlines flying from Melbourne to St. Louis

Discover the top 2 airlines 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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,258Average$1,842FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,692Average$2,086FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Melbourne to St. Louis?

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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 has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to St. Louis from Melbourne today and book when prices fit your budget.

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