Cheap flights from Melbourne Airport to St. Louis from $1,191

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
3 Sep — 10 Sep1
1 adult

Cheap 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 29 August 2025.

Round-trip from

$1,278

One-way from

$1,191

Popular in

September

Cheapest in

January

Average price

$1,899
United Airlines
  • United Airlines
  • 10/9-24/9
  • 3 total stops
  • 45h 33m total
  • Melbourne to St. Louis
Delta
  • Delta
  • 14/1
  • 2 total stops
  • 28h 27m total
  • Melbourne to St. Louis
Highest demand for flights based on searches. 9% potential increase in price ($285 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($96 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find 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 29 August 2025.

Wed 10/910:55MEL - STL
1 stop20h 58mUnited Airlines
Wed 24/916:40STL - MEL
2 stops24h 35mUnited Airlines
Deal found 27/8$1,278
Wed 10/920:30MEL - STL
3 stops38h 08mMultiple Airlines
Wed 24/909:15STL - MEL
3 stops34h 20mMultiple Airlines
Deal found 27/8$1,908

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 29 August 2025.
Use the filters below to find and compare flights from Melbourne Airport 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

Wed 10/9

10:55-16:53

1 stop20h 58m

Lambert-St Louis

Wed 24/9

17:49-08:15

1 stop23h 26m

$1,278

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 10/9

20:30-19:38

3 stops38h 08m

Lambert-St Louis

Wed 24/9

09:15-10:35

3 stops34h 20m

$1,908

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 14/1

10:10-21:37

2 stops28h 27m

$1,191

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 14/1

12:00-23:59

1 stop28h 59m

$1,254

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Tue 13/1

00:45-22:27

2 stops38h 42m

$2,181

Flights are sorted by cheapest return flights first.

Deals found on 26/8

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 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 29 August 2025.

When flying from Melbourne Airport 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 35% versus a flight in the evening.

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 29 August 2025.
Read reviews from past customers who have flown with Air New Zealand and 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.

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Comfort

8.0

Boarding

8.2

Food

7.3

Entertainment

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

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. 2 airlines have 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 20h 58m. The distance between Melbourne Airport and St. Louis is about 15255 km.

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

    Currently priced at $1,260, 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. Check Cheapflights for deals on Air New Zealand for as low as $1,497. Users have found that United Airlines is 31% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Melbourne Airport to St. Louis one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $1,191. American Airlines flights start at $1,254 while deals on Cathay Pacific start at $2,181 one-way.

  • 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.

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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,260Average$1,953FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapest$1,497Average$1,773FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

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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 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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