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Cheap flights from Illinois to Melbourne from $861

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MEL
12 Sep — 19 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Melbourne

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Melbourne
Explore the most affordable flight options available from Illinois to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 August 2026.

Tue 20/1019:20 -
2 stops45h 30m
Tue 3/1110:10 -
2 stops27h 59m
Deal found 12/8$1,646
Tue 27/1005:40 -
1 stop31h 20m
Wed 11/1122:45 -
2 stops26h 22m
Deal found 11/8$1,761
Tue 20/1011:10 -
2 stops31h 45m
Tue 3/1108:15 -
2 stops31h 11m
Deal found 11/8$1,772
Wed 18/1110:25 -
2 stops29h 30m
Wed 25/1112:10 -
2 stops25h 27m
Deal found 10/8$1,790
Mon 14/1207:45 -
2 stops32h 10m
Mon 15/310:20 -
2 stops28h 42m
Deal found 11/8$1,792
Tue 8/913:36 -
2 stops27h 39m
Mon 28/910:55 -
2 stops25h 26m
Deal found 9/8$1,793
Tue 20/1011:10 -
2 stops30h 05m
Tue 3/1112:45 -
1 stop22h 20m
Deal found 12/8$1,795
Sun 6/915:40 -
2 stops28h 40m
Mon 21/906:00 -
2 stops23h 43m
Deal found 8/8$1,803
Sun 6/915:40 -
2 stops28h 40m
Mon 21/920:30 -
3 stops38h 18m
Deal found 8/8$1,820
Wed 18/1122:45 -
1 stop36h 25m
Wed 25/1110:20 -
1 stop23h 35m
Deal found 8/8$1,826
Wed 23/917:53 -
2 stops26h 02m
Tue 29/907:35 -
2 stops29h 02m
Deal found 9/8$1,857
Fri 23/1007:00 -
2 stops33h 55m
Sun 25/1012:10 -
2 stops27h 16m
Deal found 12/8$1,858

Find flight deals from Illinois to Melbourne

Keep the following information in mind while searching for Illinois to Melbourne flight deals. Data was last updated 13 August 2026.

Round-trip from

$1,646

One-way from

$861

Popular in

December

Cheapest in

March

Average price

$1,438
Delta
  • Delta
  • 20/10-3/11
  • 4 total stops
  • 73h 29m total
  • Illinois to Melbourne
Search Deals
Delta
  • Delta
  • 14/10
  • 2 total stops
  • 34h 03m total
  • Illinois to Melbourne
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($364 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($66 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Illinois 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, Cheapflights users made 647,157 searches. Data last updated 13 August 2026.
Use the filters below to find and compare flights from Illinois to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 27/10

14:22-07:00

2 stops24h 38m

Melbourne

Wed 11/11

10:10-00:30

2 stops31h 20m

$1,646

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

19:20-08:50

2 stops45h 30m

Melbourne

Tue 3/11

10:10-21:09

2 stops27h 59m

$1,646
Fastest return journey

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 8/9

13:36-08:15

2 stops27h 39m

Melbourne

Mon 28/9

10:55-18:43

1 stop22h 48m

$1,788

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

11:10-09:15

2 stops30h 05m

Melbourne

Tue 3/11

12:45-18:05

1 stop22h 20m

$1,793

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Fri 22/1

18:50-23:20

1 stop35h 30m

Melbourne

Sun 7/2

17:10-14:30

1 stop38h 20m

$1,875

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Sat 23/1

18:50-05:45

1 stop41h 55m

Melbourne

Mon 8/2

16:10-14:30

1 stop39h 20m

$1,936

ChicagoMelbourne

ORD Chicago O'Hare Intl - AVV Melbourne Avalon

ORDAVV

Chicago O'Hare Intl

Sat 26/9

15:40-20:20

2 stops37h 40m

Melbourne Avalon

Sat 3/10

20:40-14:43

2 stops33h 03m

$2,112

ChicagoMelbourne

MDW Chicago Midway - MEL Melbourne

MDWMEL

Chicago Midway

Fri 5/2

09:55-08:00

2 stops29h 05m

Melbourne

Tue 16/2

10:10-16:50

2 stops23h 40m

$2,283

ChicagoMelbourne

MDW Chicago Midway - MEL Melbourne

MDWMEL

Chicago Midway

Sun 17/1

09:30-08:00

2 stops29h 30m

Melbourne

Sat 30/1

10:10-22:10

2 stops29h 00m

$2,283

ChicagoMelbourne

ORD Chicago O'Hare Intl - AVV Melbourne Avalon

ORDAVV

Chicago O'Hare Intl

Sun 6/9

15:40-20:05

2 stops37h 25m

Melbourne Avalon

Tue 22/9

16:40-14:43

2 stops37h 03m

$2,289

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne from Illinois with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Melbourne

What is the cheapest month to book a flight from Illinois to Melbourne?

Currently, August is the cheapest month in which you can book a flight from Illinois to Melbourne (average of $1,430). Flying from Illinois to Melbourne in July is currently the most expensive (average of $2,453). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How far ahead should I book a flight from Illinois to Melbourne?

To ensure you get the cheapest price possible for a flight from Illinois to Melbourne, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Melbourne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Melbourne?

    For as low as $1,646, Delta can have you in Melbourne from Illinois in 24h 38m. The distance between Illinois and Melbourne is about 15255 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Illinois to Melbourne?

    The most popular flight routes from Illinois to Melbourne are Chicago O'Hare Intl - Melbourne, Chicago Midway - Melbourne and Lambert-St Louis - Melbourne.

  • Can I find deals for flights from Illinois to Melbourne that include hotel bookings?

    Yes. In addition to deals on Illinois to Melbourne flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Melbourne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Melbourne.

  • Can I find deals for business class flights from Illinois to Melbourne?

    Yes. Cheapflights offers flight deals from Illinois to Melbourne by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Melbourne?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Melbourne (average of $1,430). Flying from Illinois to Melbourne in July is currently the most expensive (average of $2,453). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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How does Cheapflights help users find flights from Illinois to Melbourne?

When you search for this flight from Illinois to Melbourne, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Melbourne?

Cheapflights simply makes it quick and affordable to book flights from Illinois to Melbourne by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Illinois to Melbourne with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Illinois to Melbourne flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Illinois to Melbourne become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Melbourne from Illinois today and book when prices fit your budget.

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