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Cheap flights from Illinois to Melbourne from $811

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MEL
11 Jun — 18 Jun1
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 12 May 2026.

Mon 22/607:04
STL
-
MEL
1 stop30h 56m
American Airlines
Mon 29/609:45
MEL
-
STL
1 stop29h 11m
American Airlines
Deal found 8/5$1,497
Mon 26/1011:51
STL
-
MEL
2 stops28h 59m
Delta
Mon 9/1112:00
MEL
-
STL
2 stops29h 36m
Delta
Deal found 8/5$1,530
Mon 26/1006:30
STL
-
MEL
1 stop35h 00m
American Airlines
Mon 9/1123:15
MEL
-
STL
2 stops25h 55m
American Airlines
Deal found 10/5$1,645
Tue 23/618:20
ORD
-
MEL
2 stops34h 00m
Multiple Airlines
Sat 1/807:30
MEL
-
ORD
2 stops28h 52m
Multiple Airlines
Deal found 8/5$1,656
Sat 27/618:29
ORD
-
MEL
2 stops33h 51m
Multiple Airlines
Sat 1/807:30
MEL
-
ORD
2 stops28h 52m
Multiple Airlines
Deal found 7/5$1,701
Tue 28/713:25
ORD
-
MEL
2 stops38h 55m
Multiple Airlines
Thu 6/807:30
MEL
-
ORD
2 stops28h 32m
Multiple Airlines
Deal found 7/5$1,751
Thu 25/613:42
STL
-
MEL
2 stops26h 03m
American Airlines
Thu 2/714:30
MEL
-
STL
2 stops24h 29m
American Airlines
Deal found 11/5$1,754
Tue 8/917:11
STL
-
MEL
2 stops28h 29m
American Airlines
Tue 29/909:45
MEL
-
STL
1 stop28h 17m
American Airlines
Deal found 9/5$1,758
Wed 29/721:13
ORD
-
MEL
1 stop42h 32m
Multiple Airlines
Wed 12/813:25
MEL
-
ORD
2 stops31h 52m
Multiple Airlines
Deal found 11/5$1,838
Thu 2/713:25
ORD
-
MEL
2 stops38h 55m
Multiple Airlines
Sat 25/707:30
MEL
-
ORD
2 stops28h 52m
Multiple Airlines
Deal found 11/5$1,858
Wed 12/821:13
ORD
-
MEL
1 stop42h 32m
Multiple Airlines
Wed 26/813:25
MEL
-
ORD
2 stops31h 54m
Multiple Airlines
Deal found 8/5$1,899
Fri 25/914:22
ORD
-
MEL
3 stops41h 13m
Multiple Airlines
Fri 9/1014:30
MEL
-
ORD
3 stops31h 50m
Multiple Airlines
Deal found 9/5$1,920

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 12 May 2026.

Round-trip from

$1,497

One-way from

$811

Popular in

December

Cheapest in

March

Average price

$2,054
American Airlines
  • American Airlines
  • 22/6-29/6
  • 2 total stops
  • 60h 07m total
  • Illinois to Melbourne
Search Deals
American Airlines
  • American Airlines
  • 22/5
  • 2 total stops
  • 26h 00m total
  • Illinois to Melbourne
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($453 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($107 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 12 May 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

ChicagoMelbourne

ORD - AVV

ORDAVV

Chicago O'Hare Intl

Thu 22/10

15:40-14:10

2 stops30h 30m

Melbourne Avalon

Wed 11/11

06:00-14:41

2 stops25h 41m

$1,985

ChicagoMelbourne

ORD - AVV

ORDAVV

Chicago O'Hare Intl

Sat 17/10

15:40-16:05

2 stops32h 25m

Melbourne Avalon

Sat 31/10

06:00-14:41

2 stops24h 41m

$1,990

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sat 11/7

16:30-08:15

1 stop24h 45m

Melbourne

Sun 26/7

09:30-17:04

1 stop22h 34m

$2,219

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sat 4/7

14:33-08:15

2 stops26h 42m

Melbourne

Mon 16/11

13:00-17:04

1 stop21h 04m

$2,219

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Fri 26/6

14:09-07:50

2 stops26h 41m

Melbourne

Sun 5/7

10:00-21:25

2 stops26h 25m

$2,234

ChicagoMelbourne

MDW - MEL

MDWMEL

Chicago Midway

Wed 29/7

11:05-07:50

2 stops29h 45m

Melbourne

Wed 12/8

10:00-18:33

2 stops23h 33m

$2,235

ChicagoMelbourne

MDW - MEL

MDWMEL

Chicago Midway

Wed 8/7

11:05-07:50

2 stops29h 45m

Melbourne

Fri 24/7

10:00-18:25

2 stops23h 25m

$2,235

ChicagoMelbourne

MDW - MEL

MDWMEL

Chicago Midway

Fri 25/9

13:00-07:50

2 stops27h 50m

Melbourne

Fri 9/10

11:00-18:37

2 stops23h 37m

$2,235

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Fri 3/7

14:09-07:50

2 stops26h 41m

Melbourne

Sun 19/7

10:00-18:29

2 stops23h 29m

$2,235

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sun 28/6

18:14-07:50

2 stops46h 36m

Melbourne

Fri 10/7

10:00-17:16

1 stop22h 16m

$2,249

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Showing 1-10 of 53 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

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 42 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.

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Melbourne (average of $156). Flying from Illinois to Melbourne in February is currently the most expensive (average of $1,260). 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 much does it cost for a return flight from Illinois to Melbourne?

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 $2,219, United Airlines can have you in Melbourne from Illinois in 24h 45m. The distance between Illinois and Melbourne is about 15546 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, Lambert-St Louis - Melbourne and Chicago O'Hare Intl - Melbourne Avalon.

  • 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, November is the cheapest month in which you can book a flight from Illinois to Melbourne (average of $156). Flying from Illinois to Melbourne in February is currently the most expensive (average of $1,260). 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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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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