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STL - MEL

Find cheap flights from St. Louis to Melbourne from $1,337

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 15/5. 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 26/5
Sun 2/6

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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 44,335,567 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
17:30 - 09:40STL-MEL
25h 10m2 stops
21:00 - 15:40MEL-STL
33h 40m2 stops
$2,773Qantas Airways
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Wed, 25 Sep - Wed, 2 Oct
16:20 - 09:20STL-MEL
26h 00m2 stops
13:00 - 18:21MEL-STL
21h 21m1 stop
$2,937Qantas Airways
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Tue, 1 Oct - Tue, 8 Oct
11:10 - 10:50STL-MEL
32h 40m3 stops
11:10 - 20:46MEL-STL
24h 36m2 stops
$3,026
Find Deal
Wed, 25 Sep - Wed, 2 Oct
11:10 - 10:50STL-MEL
32h 40m3 stops
07:45 - 22:15MEL-STL
29h 30m3 stops
$3,034
Find Deal
Wed, 25 Sep - Wed, 2 Oct
16:20 - 05:25STL-MEL
22h 05m1 stop
13:00 - 18:21MEL-STL
21h 21m1 stop
$3,072
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Tue, 1 Oct - Tue, 8 Oct
18:00 - 08:15STL-MEL
23h 15m1 stop
10:55 - 00:30MEL-STL
28h 35m1 stop
$3,078United Airlines
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Wed, 25 Sep - Wed, 2 Oct
16:20 - 11:25STL-MEL
28h 05m2 stops
06:00 - 15:40MEL-STL
25h 40m2 stops
$3,081
Find Deal
Tue, 1 Oct - Tue, 8 Oct
18:00 - 08:15STL-MEL
23h 15m1 stop
09:30 - 19:47MEL-STL
25h 17m2 stops
$3,084United Airlines
Find Deal
Wed, 25 Sep - Wed, 2 Oct
16:05 - 11:05STL-MEL
52h 00m3 stops
07:00 - 20:00MEL-STL
29h 00m3 stops
$3,113
Find Deal
Tue, 1 Oct - Tue, 8 Oct
17:30 - 11:15STL-MEL
50h 45m2 stops
00:45 - 21:35MEL-STL
36h 50m2 stops
$3,915Cathay Pacific
Find Deal
Tue, 1 Oct - Mon, 7 Oct

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 $2,449 on average. On the other hand, the most expensive months are January and December, where the average cost of tickets is $4,850 and $4,162 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 Qatar Airways for $1,819. Qantas Airways proposed a return connection from $2,773 and United Airlines from $3,078.

Good to know

Low season

January

High season

December

Cheapest flight

$1,337
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 $871 for a one-way ticket and $1,806 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?

    oneworld, and Star Alliance 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.
15/5Wed
3 stops
53h 04mSTL-MEL
$1,337
15/5Wed
2 stopsQatar Airways
37h 10mSTL-MEL
$1,819
29/5Wed
2 stopsPhilippine Airlines
43h 58mSTL-MEL
$2,088
29/5Wed
3 stops
32h 12mSTL-MEL
$2,215
29/5Wed
1 stop
28h 42mSTL-MEL
$2,291
15/5Wed
1 stop
27h 16mSTL-MEL
$2,390

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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: