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Cheap flights from Illinois to Melbourne from $663

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MEL
23 Apr — 30 Apr1
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 24 March 2026.

Wed 6/507:30
ORD
-
MEL
2 stops37h 35m
Multiple Airlines
Wed 13/513:25
MEL
-
ORD
2 stops31h 10m
Multiple Airlines
Deal found 23/3$1,325
Mon 20/405:15
ORD
-
MEL
2 stops40h 10m
Multiple Airlines
Mon 27/413:30
MEL
-
ORD
2 stops24h 57m
Multiple Airlines
Deal found 21/3$1,418
Thu 14/514:39
ORD
-
MEL
2 stops30h 21m
Multiple Airlines
Wed 27/513:25
MEL
-
ORD
2 stops31h 10m
Multiple Airlines
Deal found 22/3$1,421
Mon 4/505:15
ORD
-
MEL
2 stops40h 10m
Multiple Airlines
Mon 11/513:30
MEL
-
ORD
2 stops24h 57m
Multiple Airlines
Deal found 20/3$1,468
Thu 7/518:56
ORD
-
MEL
2 stops33h 24m
Multiple Airlines
Thu 14/507:30
MEL
-
ORD
2 stops28h 44m
Multiple Airlines
Deal found 23/3$1,590
Wed 15/407:51
ORD
-
MEL
2 stops37h 14m
Multiple Airlines
Fri 24/413:30
MEL
-
ORD
2 stops31h 05m
Multiple Airlines
Deal found 22/3$1,625
Sun 10/515:40
ORD
-
MEL
2 stops28h 25m
Multiple Airlines
Sat 23/518:00
MEL
-
ORD
2 stops35h 45m
Multiple Airlines
Deal found 21/3$1,658
Thu 4/619:23
STL
-
MEL
2 stops32h 57m
Multiple Airlines
Thu 11/607:30
MEL
-
STL
2 stops29h 07m
Multiple Airlines
Deal found 23/3$1,667
Fri 17/414:00
ORD
-
MEL
2 stops41h 35m
Multiple Airlines
Fri 24/413:30
MEL
-
ORD
2 stops31h 05m
Multiple Airlines
Deal found 20/3$1,691
Sun 1/1115:40
ORD
-
MEL
2 stops31h 25m
Multiple Airlines
Sun 8/1107:10
MEL
-
ORD
2 stops24h 31m
Multiple Airlines
Deal found 23/3$1,697
Mon 11/515:40
ORD
-
MEL
2 stops28h 25m
Air Canada
Mon 25/506:00
MEL
-
ORD
2 stops23h 45m
Air Canada
Deal found 22/3$1,707
Tue 3/1115:40
ORD
-
AVV
2 stops29h 25m
Multiple Airlines
Mon 18/106:00
AVV
-
ORD
2 stops25h 41m
Multiple Airlines
Deal found 23/3$1,710

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 24 March 2026.

Round-trip from

$1,325

One-way from

$663

Popular in

December

Cheapest in

March

Average price

$1,141
6/5-13/5
  • 6/5-13/5
  • 4 total stops
  • 68h 45m total
  • Illinois to Melbourne
Search Deals
5/5
  • 5/5
  • 2 total stops
  • 37h 30m total
  • Illinois to Melbourne
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($483 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($129 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 24 March 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

Sat 5/9

19:48-14:20

2 stops27h 32m

Melbourne Avalon

Sun 20/9

20:55-14:48

2 stops32h 53m

$1,763

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sun 24/5

15:40-12:10

2 stops29h 30m

Melbourne

Sat 30/5

06:00-14:45

2 stops23h 45m

$1,810

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sun 24/5

14:15-11:35

3 stops30h 20m

Melbourne

Sat 30/5

06:00-19:25

3 stops28h 25m

$1,844

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 22/5

16:48-07:30

2 stops23h 42m

Melbourne

Sun 9/8

09:30-20:43

2 stops26h 13m

$1,961

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 21/5

13:38-08:15

2 stops27h 37m

Melbourne

Sun 9/8

09:30-16:33

2 stops22h 03m

$1,961

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 19/5

16:06-08:15

2 stops25h 09m

Melbourne

Thu 13/8

10:55-19:31

2 stops23h 36m

$1,961
Fastest return journey

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 20/5

19:06-08:15

1 stop22h 09m

Melbourne

Sun 9/8

10:55-18:17

1 stop22h 22m

$1,961

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 22/5

13:38-07:30

2 stops26h 52m

Melbourne

Fri 14/8

10:55-18:24

1 stop22h 29m

$1,961

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 28/4

16:49-08:15

2 stops24h 26m

Melbourne

Sun 5/7

10:55-18:17

1 stop22h 22m

$1,974

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Thu 7/5

10:25-08:15

2 stops30h 50m

Melbourne

Thu 14/5

10:55-18:22

1 stop22h 27m

$1,980

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 55 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, December is the cheapest month in which you can book a flight from Illinois to Melbourne (average of $558). Flying from Illinois to Melbourne in April is currently the most expensive (average of $1,614). 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.

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 $1,961, Air Canada can have you in Melbourne from Illinois in 23h 42m. 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 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, December is the cheapest month in which you can book a flight from Illinois to Melbourne (average of $558). Flying from Illinois to Melbourne in April is currently the most expensive (average of $1,614). 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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