Cheap flights from St. Louis to Melbourne from $693

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Melbourne departing on 11/21. 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 round-trip flights

Qantas Airways Logo
6:00 am - 9:30 amSTL-MEL
34h 30m1 stop
Qantas Airways Logo
6:45 am - 11:08 pmMEL-STL
33h 23m2 stops
$1,116Qantas Airways
Find Deal
Wed, Feb 4 - Thu, Feb 26
Multiple Airlines Logo
5:09 pm - 6:45 pmSTL-MEL
33h 36m2 stops
Multiple Airlines Logo
7:00 am - 11:42 pmMEL-STL
33h 42m2 stops
$1,223Multiple Airlines
Find Deal
Tue, Oct 28 - Mon, Nov 10
American Airlines Logo
4:12 pm - 9:30 amSTL-MEL
25h 18m2 stops
American Airlines Logo
12:00 pm - 7:30 pmMEL-STL
24h 30m2 stops
$1,266American Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
American Airlines Logo
6:39 am - 9:30 amSTL-MEL
34h 51m1 stop
American Airlines Logo
12:00 pm - 11:42 pmMEL-STL
28h 42m1 stop
$1,272American Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
United Airlines Logo
5:00 pm - 10:00 amSTL-MEL
24h 00m1 stop
United Airlines Logo
1:00 pm - 4:44 pmMEL-STL
20h 44m1 stop
$1,306United Airlines
Find Deal
Sun, Feb 1 - Thu, Feb 26
United Airlines Logo
5:00 pm - 10:00 amSTL-MEL
24h 00m1 stop
United Airlines Logo
11:30 am - 5:14 pmMEL-STL
22h 44m2 stops
$1,310United Airlines
Find Deal
Sat, Feb 7 - Tue, Feb 24
Air New Zealand Logo
8:20 am - 10:55 amSTL-MEL
34h 35m2 stops
Air New Zealand Logo
8:35 am - 6:47 pmMEL-STL
27h 12m2 stops
$1,380Air New Zealand
Find Deal
Fri, Oct 31 - Sun, Nov 9
Air New Zealand Logo
8:25 am - 8:35 pmSTL-MEL
44h 10m2 stops
Air New Zealand Logo
8:35 am - 10:22 pmMEL-STL
30h 47m2 stops
$1,391Air New Zealand
Find Deal
Fri, Oct 17 - Wed, Nov 5
Fiji Airways Logo
5:58 pm - 12:45 pmSTL-MEL
25h 47m2 stops
Fiji Airways Logo
2:15 pm - 7:27 pmMEL-STL
22h 12m2 stops
$1,488Fiji Airways
Find Deal
Tue, Nov 18 - Thu, Dec 11
Fiji Airways Logo
5:09 pm - 1:00 pmSTL-MEL
27h 51m2 stops
Fiji Airways Logo
2:15 pm - 11:42 pmMEL-STL
26h 27m2 stops
$1,513Fiji Airways
Find Deal
Tue, Oct 14 - Wed, Nov 5

Air New Zealand flights from St. Louis to Melbourne

Our best Air New Zealand deals on St. Louis to Melbourne flight tickets
Air New Zealand
Oct 31
STL8:20 amLambert-St Louis
34h 35m
2 stops
MEL10:55 amMelbourne
Nov 9
MEL8:35 amMelbourne
27h 12m
2 stops
STL6:47 pmLambert-St Louis
Air New Zealand
Oct 17
STL8:25 amLambert-St Louis
44h 10m
2 stops
MEL8:35 pmMelbourne
Nov 5
MEL8:35 amMelbourne
30h 47m
2 stops
STL10:22 pmLambert-St Louis
Air New Zealand
Oct 17
STL8:25 amLambert-St Louis
44h 10m
2 stops
MEL8:35 pmMelbourne
Nov 8
MEL8:35 amMelbourne
24h 52m
2 stops
STL4:27 pmLambert-St Louis

Fiji Airways flights from St. Louis to Melbourne

Our best Fiji Airways deals on St. Louis to Melbourne flight tickets
Fiji Airways
Nov 18
STL5:58 pmLambert-St Louis
25h 47m
2 stops
MEL12:45 pmMelbourne
Dec 11
MEL2:15 pmMelbourne
22h 12m
2 stops
STL7:27 pmLambert-St Louis
Fiji Airways
Oct 14
STL5:09 pmLambert-St Louis
27h 51m
2 stops
MEL1:00 pmMelbourne
Nov 5
MEL2:15 pmMelbourne
26h 27m
2 stops
STL11:42 pmLambert-St Louis
Fiji Airways
Oct 28
STL5:09 pmLambert-St Louis
27h 51m
2 stops
MEL1:00 pmMelbourne
Nov 11
MEL2:15 pmMelbourne
22h 15m
2 stops
STL7:30 pmLambert-St Louis

momondo 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from St. Louis to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 2/4

6:00 am-9:30 am

1 stop34h 30m

Melbourne

Thu 2/26

6:45 am-11:08 pm

2 stops33h 23m

$1,116

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/28

5:09 pm-6:45 pm

2 stops33h 36m

Melbourne

Mon 11/10

7:00 am-11:42 pm

2 stops33h 42m

$1,223

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 10/29

4:12 pm-9:30 am

2 stops25h 18m

Melbourne

Wed 11/5

12:00 pm-7:30 pm

2 stops24h 30m

$1,266

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 10/29

6:39 am-9:30 am

1 stop34h 51m

Melbourne

Wed 11/5

12:00 pm-11:42 pm

1 stop28h 42m

$1,272

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 2/1

5:00 pm-10:00 am

1 stop24h 00m

Melbourne

Thu 2/26

1:00 pm-4:44 pm

1 stop20h 44m

$1,306

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 2/7

5:00 pm-10:00 am

1 stop24h 00m

Melbourne

Tue 2/24

11:30 am-5:14 pm

2 stops22h 44m

$1,310

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 10/31

8:20 am-10:55 am

2 stops34h 35m

Melbourne

Sun 11/9

8:35 am-6:47 pm

2 stops27h 12m

$1,380

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 10/17

8:25 am-8:35 pm

2 stops44h 10m

Melbourne

Wed 11/5

8:35 am-10:22 pm

2 stops30h 47m

$1,391

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 11/18

5:58 pm-12:45 pm

2 stops25h 47m

Melbourne

Thu 12/11

2:15 pm-7:27 pm

2 stops22h 12m

$1,488

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 10/14

5:09 pm-1:00 pm

2 stops27h 51m

Melbourne

Wed 11/5

2:15 pm-11:42 pm

2 stops26h 27m

$1,513

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Melbourne from

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

What is the cheapest month to fly to Melbourne?

In general, February 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 $1,239. The month of October is another great option to travel to Melbourne, with average flight prices from St. Louis averaging around $1,429.

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

Direct flights

None
There are no direct flights from St. Louis to Melbourne. There are no popular flight routes from St. Louis to Melbourne.
  • 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 23h 31m.

  • 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?

  • 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
Qantas AirwaysPriceFrom $687Free CancellationRating
7.5
907 reviews
Search Qantas Airways flights
Fiji AirwaysPriceFrom $1,212Free CancellationRating
8.0
205 reviews
Search Fiji Airways flights
Air New ZealandPriceFrom $1,259Free CancellationRating
8.0
505 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $1,260Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,281Free CancellationRating
7.4
8,924 reviews
Search United Airlines 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.

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1 adult
Thu 10/16
Thu 10/23

Find better results for your trip to Australia

Fly into one of these airports located in Melbourne

Airports listed have a maximum distance of 31.3 mi from Melbourne