What is the cheapest airline that flies from Lambert-St Louis to Melbourne?

Qantas Airways is the most popular carrier operating from Lambert-St Louis to Melbourne

What airlines fly to Melbourne?

United Airlines, Qantas Airways and American Airlines are the top three most popular airlines that fly to Melbourne from St. Louis according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Melbourne. Keep in mind that there are 4 different airlines that fly to Melbourne on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Lambert-St Louis Airport to Melbourne are updated daily.

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

The number of operators available for flights from Lambert-St Louis Airport to Melbourne is 4 as of December 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Melbourne.

What documentation or ID do you need to fly to Melbourne?

The travel and health documents you'll need for your trip to Melbourne 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 license and a passport that is valid for six months after your intended arrival at Melbourne. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$567 Cheap Flights from St. Louis to Melbourne in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $1,502 to $2,346. The lowest price recently found on this route was $1,056.

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Find the cheapest flights from St. Louis to Melbourne

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:04 am - 3:35 pm

STL

MEL

39h 31m2 stops

12:00 pm - 11:59 pm

MEL

STL

28h 59m1 stop

$1,056Qantas Airways

Fri, Jan 30 - Fri, Feb 6

11:55 am - 5:00 am

STL

MEL

24h 05m1 stop

5:05 pm - 11:48 pm

MEL

STL

23h 43m2 stops

$1,075Qantas Airways

Mon, Feb 2 - Wed, Feb 18

4:05 pm - 2:35 pm

STL

MEL

53h 30m3 stops

8:00 am - 3:29 pm

MEL

STL

48h 29m3 stops

$1,091Air Canada

Fri, Jan 30 - Fri, Feb 6

6:50 pm - 6:00 am

STL

MEL

43h 10m1 stop

9:45 am - 11:16 pm

MEL

STL

28h 31m1 stop

$1,119Qantas Airways

Fri, Apr 3 - Sun, Apr 19

11:05 am - 5:00 am

STL

MEL

24h 55m2 stops

12:00 pm - 5:05 pm

MEL

STL

22h 05m2 stops

$1,126American Airlines

Mon, Feb 2 - Wed, Feb 18

4:05 pm - 1:35 pm

STL

MEL

52h 30m3 stops

7:45 am - 3:29 pm

MEL

STL

48h 44m3 stops

$1,139Air Canada

Mon, Feb 2 - Wed, Feb 18

11:55 am - 5:00 am

STL

MEL

24h 05m1 stop

12:00 pm - 11:48 pm

MEL

STL

28h 48m1 stop

$1,145Qantas Airways

Sat, Jan 31 - Sat, Feb 14

4:15 pm - 9:30 am

STL

MEL

24h 15m2 stops

1:00 pm - 10:14 pm

MEL

STL

26h 14m3 stops

$1,149United Airlines

Mon, Feb 2 - Wed, Feb 18

4:05 pm - 8:20 pm

STL

AVV

59h 15m3 stops

8:55 pm - 3:29 pm

AVV

STL

59h 34m3 stops

$1,244Multiple Airlines

Sat, Jan 31 - Sat, Feb 14

4:05 pm - 9:20 pm

STL

AVV

61h 15m3 stops

8:55 pm - 3:24 pm

AVV

STL

57h 29m3 stops

$1,609Multiple Airlines

Fri, Apr 3 - Sun, Apr 19

Qantas Airways flights from St. Louis to Melbourne

Our best Qantas Airways deals on St. Louis to Melbourne flight tickets

Qantas Airways

Jan 30

STL7:04 amLambert-St Louis

39h 31m

2 stops

MEL3:35 pmMelbourne

Feb 6

MEL12:00 pmMelbourne

28h 59m

1 stop

STL11:59 pmLambert-St Louis

$1,056

Find similar

Qantas Airways

Feb 2

STL11:55 amLambert-St Louis

24h 05m

1 stop

MEL5:00 amMelbourne

Feb 18

MEL5:05 pmMelbourne

23h 43m

2 stops

STL11:48 pmLambert-St Louis

$1,075

Find similar

Qantas Airways

Apr 3

STL6:50 pmLambert-St Louis

43h 10m

1 stop

MEL6:00 amMelbourne

Apr 19

MEL9:45 amMelbourne

28h 31m

1 stop

STL11:16 pmLambert-St Louis

$1,119

Find similar

Air Canada flights from St. Louis to Melbourne

Our best Air Canada deals on St. Louis to Melbourne flight tickets

Air Canada

Jan 30

STL4:05 pmLambert-St Louis

53h 30m

3 stops

MEL2:35 pmMelbourne

Feb 6

MEL8:00 amMelbourne

48h 29m

3 stops

STL3:29 pmLambert-St Louis

$1,091

Find similar

Air Canada

Feb 2

STL4:05 pmLambert-St Louis

52h 30m

3 stops

MEL1:35 pmMelbourne

Feb 18

MEL7:45 amMelbourne

48h 44m

3 stops

STL3:29 pmLambert-St Louis

$1,139

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 1/30

7:04 am-3:35 pm

2 stops39h 31m

Melbourne

Fri 2/6

12:00 pm-11:59 pm

1 stop28h 59m

$1,056

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 2/2

11:55 am-5:00 am

1 stop24h 05m

Melbourne

Wed 2/18

5:05 pm-11:48 pm

2 stops23h 43m

$1,075

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 1/30

4:05 pm-2:35 pm

3 stops53h 30m

Melbourne

Fri 2/6

8:00 am-3:29 pm

3 stops48h 29m

$1,091

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 4/3

6:50 pm-6:00 am

1 stop43h 10m

Melbourne

Sun 4/19

9:45 am-11:16 pm

1 stop28h 31m

$1,119

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 2/2

11:05 am-5:00 am

2 stops24h 55m

Melbourne

Wed 2/18

12:00 pm-5:05 pm

2 stops22h 05m

$1,126

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 2/2

4:05 pm-1:35 pm

3 stops52h 30m

Melbourne

Wed 2/18

7:45 am-3:29 pm

3 stops48h 44m

$1,139

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 1/31

11:55 am-5:00 am

1 stop24h 05m

Melbourne

Sat 2/14

12:00 pm-11:48 pm

1 stop28h 48m

$1,145

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 2/2

4:15 pm-9:30 am

2 stops24h 15m

Melbourne

Wed 2/18

1:00 pm-10:14 pm

3 stops26h 14m

$1,149

St. LouisMelbourne

STL - AVV

STLAVV

Lambert-St Louis

Sat 1/31

4:05 pm-8:20 pm

3 stops59h 15m

Melbourne Avalon

Sat 2/14

8:55 pm-3:29 pm

3 stops59h 34m

$1,244

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

$1,609

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

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

What is the cheapest month to fly to Melbourne?

In general, January is the cheapest month to fly from St. Louis to Melbourne. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,343. The month of June is another great option to travel to Melbourne, with average flight prices from St. Louis averaging around $1,347.

What is the cheapest day to depart on your flight to Melbourne?

On average, the least expensive day to fly to Melbourne from St. Louis is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,360. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Melbourne on Friday is $2,159.

What is the cheapest time of day to depart on your flight to Melbourne?

Our most recent data shows that the best time of day to fly to Melbourne is at noon. Flights from St. Louis to Melbourne during this time can be as low as $1,087. Flights to Melbourne are more costly in the morning, with an average ticket price of $1,883. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap St. Louis to Melbourne flight deals and tips

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

Fastest flight time	24h 05m
Direct flights	None

The fastest flight from St. Louis to Melbourne takes 24h 05m

There are no direct flights from St. Louis to Melbourne. There are no popular flight routes from St. Louis to Melbourne.

Search flight deals

How far is Lambert-St Louis to Melbourne by plane?
There are 9481.9 mi between Lambert-St Louis and Melbourne. By plane, this route typically takes 24h 05m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Melbourne?
Prices for flights from Lambert-St Louis Airport to Melbourne are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Melbourne?
The number of operators available for flights from Lambert-St Louis Airport to Melbourne is 4 as of December 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Melbourne?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Melbourne.
What documentation or ID do you need to fly to Melbourne?
The travel and health documents you'll need for your trip to Melbourne 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 license and a passport that is valid for six months after your intended arrival at Melbourne. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Melbourne

Compare and see reviews for airlines that fly from St. Louis to Melbourne with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $1,118	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Fiji Airways	PriceFrom $1,212	Free Cancellation	Rating 8.1 210 reviews	Search Fiji Airways flights
United Airlines	PriceFrom $1,279	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,384	Free Cancellation	Rating 7.5 947 reviews	Search Qantas Airways flights

Why use momondo?

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

Finding the right flight to Melbourne from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Melbourne quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Melbourne from St. Louis with this policy.

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

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 St. Louis to Melbourne.

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

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