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STL - MEL

Find cheap flights from St. Louis to Melbourne from $1,997

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Melbourne departing on 21/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
Sun 2/6
Sun 9/6

Search hundreds of travel sites and compare cheap flights to Melbourne

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Melbourne, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Melbourne, as well as popular online travel agencies
In the last 7 days, travellers have searched 43,740,974 times on KAYAK, and here's why:

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Cheap flight deals from St. Louis to Melbourne (STL-MEL)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Melbourne that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
09:50 - 11:25STL-MEL
34h 35m3 stops
06:00 - 15:21MEL-STL
48h 21m3 stops
$2,615
Find Deal
Fri, 31 May - Wed, 3 Jul
09:50 - 11:25STL-MEL
34h 35m3 stops
06:00 - 20:01MEL-STL
29h 01m3 stops
$2,680
Find Deal
Fri, 31 May - Thu, 4 Jul
16:45 - 08:15STL-MEL
24h 30m2 stops
10:55 - 12:17MEL-STL
40h 22m2 stops
$2,732United Airlines
Find Deal
Thu, 30 May - Wed, 3 Jul
16:51 - 08:15STL-MEL
48h 24m2 stops
09:30 - 16:29MEL-STL
21h 59m2 stops
$2,809United Airlines
Find Deal
Sat, 18 May - Sun, 2 Jun
16:55 - 17:25STL-MEL
33h 30m2 stops
12:10 - 16:28MEL-STL
43h 18m2 stops
$2,911Air New Zealand
Find Deal
Fri, 31 May - Tue, 2 Jul
19:20 - 05:25STL-MEL
43h 05m1 stop
11:55 - 22:58MEL-STL
26h 03m1 stop
$3,096Qantas Airways
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Sat, 1 Jun - Mon, 1 Jul
19:20 - 05:25STL-MEL
43h 05m1 stop
13:00 - 22:58MEL-STL
24h 58m2 stops
$3,130Qantas Airways
Find Deal
Sat, 1 Jun - Mon, 1 Jul
06:15 - 10:50STL-MEL
37h 35m2 stops
08:45 - 22:15MEL-STL
28h 30m2 stops
$3,159Air New Zealand
Find Deal
Sat, 8 Jun - Sun, 16 Jun
09:50 - 11:05STL-MEL
34h 15m3 stops
06:00 - 15:21MEL-STL
48h 21m3 stops
$3,287Air Canada
Find Deal
Fri, 31 May - Tue, 2 Jul
16:05 - 11:05STL-MEL
52h 00m3 stops
06:00 - 15:21MEL-STL
48h 21m3 stops
$3,446Air Canada
Find Deal
Sat, 1 Jun - Wed, 3 Jul

Flights from St. Louis to Melbourne - Travel Insights & Trends

Get data-powered insights and trends into flights from St. Louis to Melbourne to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from St. Louis to Melbourne Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from St. Louis to Melbourne Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from St. Louis to Melbourne Airport is September, where tickets cost $2,437 on average. On the other hand, the most expensive months are January and December, where the average cost of tickets is $4,827 and $4,143 respectively.

Which airlines provide the cheapest flights from St. Louis to Melbourne?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the cheapest one-way ticket from St. Louis to Melbourne found on KAYAK was with Air New Zealand for $1,997. United Airlines proposed a return connection from $2,732 and Air New Zealand from $2,911.

Good to know

Low season

January

High season

December

Cheapest flight

$1,997
Best time to beat the crowds but there is an average 45% increase in price.
Most popular time to fly (24% more expensive on average)
Flight from St. Louis to Melbourne

When to book flights from St. Louis to Melbourne

Are your dates flexible? Find out the best times to travel from St. Louis to Melbourne based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking St. Louis to Melbourne flights

  • What is the cheapest flight from St. Louis to Melbourne Airport?

    In the last 3 days, the lowest price for a flight from St. Louis to Melbourne Airport was $1,307 for a one-way ticket and $1,711 for a return.

  • Which aircraft models fly most regularly from St. Louis to Melbourne?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Melbourne?

    Star Alliance, and oneworld are the airline alliances operating flights between St. Louis and Melbourne, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from St. Louis to Melbourne?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Melbourne.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Melbourne?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Melbourne from St. Louis is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Melbourne?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Melbourne with an airline and back to St. Louis with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Melbourne?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Melbourne from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from St. Louis to Melbourne

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from St. Louis to Melbourne found on KAYAK in the last 72 hours.
21/6Fri
2 stopsAir New Zealand
26h 55mSTL-MEL
$1,997
21/6Fri
3 stops
27h 08mSTL-MEL
$2,120
21/6Fri
1 stopQantas Airways
20h 58mSTL-MEL
$2,156
29/5Wed
3 stops
32h 12mSTL-MEL
$2,205
29/5Wed
2 stopsQantas Airways
30h 18mSTL-MEL
$2,251
29/5Wed
1 stop
27h 16mSTL-MEL
$2,379

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St. Louis - Melbourne Flights

Departure:

St. Louis (STL)United States

Destination:

Melbourne (MEL)Australia

Return flight deals:

Melbourne - St. Louis

Cabin classes: