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Cheap flights from Melbourne to St. Louis from $887

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Melbourne to St. Louis departing on 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:55 - 10:35MEL-STL
38h 40m2 stops
United Airlines Logo
19:06 - 08:15STL-MEL
22h 09m1 stop
$1,430United Airlines
Find Deal
Sat, 4 Apr - Tue, 14 Apr
Air Canada Logo
08:00 - 15:29MEL-STL
48h 29m3 stops
Air Canada Logo
16:05 - 13:35STL-MEL
52h 30m3 stops
$1,861Air Canada
Find Deal
Thu, 5 Feb - Mon, 9 Feb
Qantas Airways Logo
06:00 - 14:47MEL-STL
25h 47m2 stops
Qantas Airways Logo
11:55 - 13:35STL-MEL
32h 40m2 stops
$1,892Qantas Airways
Find Deal
Thu, 5 Feb - Mon, 9 Feb
Qantas Airways Logo
06:00 - 14:47MEL-STL
25h 47m2 stops
Qantas Airways Logo
11:55 - 13:35STL-MEL
32h 40m2 stops
$1,895Qantas Airways
Find Deal
Thu, 5 Feb - Mon, 9 Feb
United Airlines Logo
11:55 - 21:03MEL-STL
25h 08m2 stops
United Airlines Logo
09:00 - 08:15STL-MEL
32h 15m2 stops
$1,979United Airlines
Find Deal
Sat, 4 Apr - Tue, 14 Apr
American Airlines Logo
12:00 - 08:51MEL-STL
37h 51m2 stops
American Airlines Logo
11:55 - 05:00STL-MEL
24h 05m1 stop
$2,328American Airlines
Find Deal
Thu, 5 Feb - Mon, 9 Feb
Qantas Airways Logo
12:00 - 23:59MEL-STL
28h 59m1 stop
Qantas Airways Logo
11:55 - 13:35STL-MEL
32h 40m2 stops
$2,332Qantas Airways
Find Deal
Thu, 5 Feb - Mon, 9 Feb
American Airlines Logo
12:00 - 23:59MEL-STL
28h 59m1 stop
American Airlines Logo
09:34 - 05:00STL-MEL
26h 26m1 stop
$2,506American Airlines
Find Deal
Thu, 5 Feb - Mon, 9 Feb
American Airlines Logo
12:00 - 23:59MEL-STL
28h 59m1 stop
American Airlines Logo
07:15 - 05:00STL-MEL
28h 45m1 stop
$2,511American Airlines
Find Deal
Thu, 5 Feb - Mon, 9 Feb
Air Canada Logo
18:00 - 15:24MEL-STL
61h 24m3 stops
Air Canada Logo
16:05 - 11:35STL-MEL
52h 30m3 stops
$2,816Air Canada
Find Deal
Sat, 4 Apr - Tue, 14 Apr

United Airlines flights from Melbourne to St. Louis

Our best United Airlines deals on Melbourne to St. Louis flight tickets
United Airlines
4 Apr
MEL11:55Melbourne
38h 40m
2 stops
STL10:35Lambert-St Louis
14 Apr
STL19:06Lambert-St Louis
22h 09m
1 stop
MEL08:15Melbourne
$1,430
Find similar
United Airlines
4 Apr
MEL11:55Melbourne
25h 08m
2 stops
STL21:03Lambert-St Louis
14 Apr
STL09:00Lambert-St Louis
32h 15m
2 stops
MEL08:15Melbourne
$1,979
Find similar

Air Canada flights from Melbourne to St. Louis

Our best Air Canada deals on Melbourne to St. Louis flight tickets
Air Canada
5 Feb
MEL08:00Melbourne
48h 29m
3 stops
STL15:29Lambert-St Louis
9 Feb
STL16:05Lambert-St Louis
52h 30m
3 stops
MEL13:35Melbourne
$1,861
Find similar
Air Canada
4 Apr
MEL18:00Melbourne
61h 24m
3 stops
STL15:24Lambert-St Louis
14 Apr
STL16:05Lambert-St Louis
52h 30m
3 stops
MEL11:35Melbourne
$2,816
Find similar

momondo 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, momondo users made 78,305 searches. Data last updated 22 November 2025.
Use the filters below to find and compare flights from Melbourne to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 4/4

11:55-10:35

2 stops38h 40m

Lambert-St Louis

Tue 14/4

19:06-08:15

1 stop22h 09m

$1,430

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/2

08:00-15:29

3 stops48h 29m

Lambert-St Louis

Mon 9/2

16:05-13:35

3 stops52h 30m

$1,861

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/2

06:00-14:47

2 stops25h 47m

Lambert-St Louis

Mon 9/2

11:55-13:35

2 stops32h 40m

$1,892

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/2

06:00-14:47

2 stops25h 47m

Lambert-St Louis

Mon 9/2

11:55-13:35

2 stops32h 40m

$1,895

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 4/4

11:55-21:03

2 stops25h 08m

Lambert-St Louis

Tue 14/4

09:00-08:15

2 stops32h 15m

$1,979

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/2

12:00-08:51

2 stops37h 51m

Lambert-St Louis

Mon 9/2

11:55-05:00

1 stop24h 05m

$2,328

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/2

12:00-23:59

1 stop28h 59m

Lambert-St Louis

Mon 9/2

11:55-13:35

2 stops32h 40m

$2,332

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/2

12:00-23:59

1 stop28h 59m

Lambert-St Louis

Mon 9/2

09:34-05:00

1 stop26h 26m

$2,506

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Thu 5/2

12:00-23:59

1 stop28h 59m

Lambert-St Louis

Mon 9/2

07:15-05:00

1 stop28h 45m

$2,511

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sat 4/4

18:00-15:24

3 stops61h 24m

Lambert-St Louis

Tue 14/4

16:05-11:35

3 stops52h 30m

$2,816

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Melbourne to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Melbourne and St. Louis?

What is the cheapest month to fly to St. Louis?

The month of January is, on average, the cheapest month to fly to St. Louis from Melbourne, with most prices found around $1,298. If you aren’t able to travel to St. Louis during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,610.

What is the cheapest day to depart on your flight to St. Louis?

According to our data, Thursday is the cheapest day to fly to St. Louis from Melbourne. The lowest ticket price found for a Thursday departure recently was $2,007. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Melbourne to St. Louis on a Tuesday will generally be more expensive and average around $2,682. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Melbourne in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,745 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $2,648 per ticket.

Cheap Melbourne to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Melbourne to St. Louis

Direct flights

None
There are no direct flights from Melbourne to St. Louis. There are no popular flight routes from Melbourne to St. Louis.
Search flight deals

  • How far is Melbourne to Lambert-St Louis by plane?

    A flight from Melbourne to Lambert-St Louis will travel around 15259.6 km. 25h 08m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Melbourne to Lambert-St Louis Airport?

    Prices for flights from Melbourne to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Melbourne to Lambert-St Louis Airport?

  • How old do you have to be to fly from Melbourne to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Melbourne to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Melbourne to St. Louis

Compare and see reviews for airlines that fly from Melbourne to St. Louis with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $1,269Free cancellationRating
7.4
9,033 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,707Free cancellationRating
7.5
942 reviews
Search Qantas Airways flights

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Melbourne to St. Louis?

It is quick and easy to find Melbourne to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from Melbourne to St. Louis with flexible booking policies on momondo?

Flights from Melbourne to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Melbourne to St. Louis?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Melbourne to St. Louis.

I’m not ready to book a flight from Melbourne to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Melbourne to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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