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Cheap flights from Illinois to Melbourne Airport from $873

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MEL
24 Aug — 31 Aug1
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 25 July 2026.

Mon 10/815:40
ORD
-
MEL
2 stops28h 25m
Air Canada
Mon 24/820:40
MEL
-
ORD
2 stops32h 56m
Air Canada
Deal found 25/7$1,537
Mon 10/815:54
ORD
-
MEL
1 stop22h 06m
Qantas Airways
Mon 24/809:45
MEL
-
ORD
1 stop23h 02m
Qantas Airways
Deal found 25/7$1,547
Mon 10/814:57
ORD
-
MEL
1 stop23h 03m
Qantas Airways
Mon 17/813:35
MEL
-
ORD
1 stop21h 55m
Qantas Airways
Deal found 22/7$1,563
Tue 22/917:13
ORD
-
MEL
2 stops25h 47m
Qantas Airways
Tue 29/909:45
MEL
-
ORD
1 stop21h 08m
Qantas Airways
Deal found 23/7$1,579
Mon 10/817:16
ORD
-
MEL
1 stop22h 29m
American Airlines
Sun 23/811:30
MEL
-
ORD
1 stop27h 00m
American Airlines
Deal found 22/7$1,585
Tue 20/1019:10
STL
-
MEL
1 stop41h 50m
Qantas Airways
Tue 3/1112:00
MEL
-
STL
1 stop22h 54m
Qantas Airways
Deal found 21/7$1,586
Tue 22/915:20
ORD
-
MEL
1 stop24h 25m
American Airlines
Tue 29/909:45
MEL
-
ORD
1 stop22h 04m
American Airlines
Deal found 25/7$1,587
Tue 20/1019:10
STL
-
MEL
1 stop41h 50m
Qantas Airways
Tue 27/1012:00
MEL
-
STL
1 stop21h 02m
Qantas Airways
Deal found 25/7$1,589
Tue 27/1005:40
STL
-
MEL
1 stop31h 20m
Qantas Airways
Wed 11/1122:45
MEL
-
STL
1 stop42h 00m
Qantas Airways
Deal found 21/7$1,590
Mon 10/814:15
ORD
-
MEL
3 stops29h 50m
Air Canada
Sun 23/820:45
MEL
-
ORD
3 stops38h 07m
Air Canada
Deal found 22/7$1,590
Tue 22/906:30
STL
-
MEL
1 stop33h 15m
Qantas Airways
Tue 29/909:45
MEL
-
STL
1 stop28h 45m
Qantas Airways
Deal found 22/7$1,603
Tue 27/1012:47
STL
-
MEL
2 stops28h 43m
American Airlines
Wed 11/1122:45
MEL
-
STL
2 stops26h 22m
American Airlines
Deal found 22/7$1,606

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 25 July 2026.

Round-trip from

$1,509

One-way from

$873

Popular in

September

Cheapest in

April

Average price

$2,106
Qantas Airways
  • Qantas Airways
  • 20/1-10/2
  • 3 total stops
  • 66h 21m total
  • Illinois to Melbourne
Search Deals
11/8
  • 11/8
  • 2 total stops
  • 34h 30m total
  • Illinois to Melbourne
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($162 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($60 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 25 July 2026.
Use the filters below to find and compare flights from Illinois to Melbourne Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 20/10

19:10-05:00

1 stop41h 50m

Melbourne

Tue 3/11

12:00-17:54

1 stop22h 54m

$1,587

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 14/10

13:15-05:00

2 stops23h 45m

Melbourne

Wed 21/10

14:35-21:30

2 stops22h 55m

$1,606

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 10/8

14:15-07:30

2 stops26h 15m

Melbourne

Mon 24/8

10:55-16:39

1 stop20h 44m

$1,618

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 20/10

19:20-08:50

2 stops45h 30m

Melbourne

Tue 3/11

12:00-20:41

2 stops25h 41m

$1,632

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 23/9

13:58-07:30

1 stop26h 32m

Melbourne

Tue 29/9

10:55-00:59

1 stop29h 04m

$1,632

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 20/10

19:20-08:50

2 stops45h 30m

Melbourne

Tue 27/10

11:00-23:48

2 stops28h 48m

$1,632

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Tue 1/9

22:00-07:30

2 stops42h 30m

Melbourne

Wed 16/9

10:55-18:32

1 stop22h 37m

$1,638

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sun 11/10

05:10-09:15

2 stops36h 05m

Melbourne

Wed 4/11

12:45-18:03

1 stop22h 18m

$1,638

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 14/10

13:36-08:30

2 stops26h 54m

Melbourne

Wed 4/11

12:45-18:03

1 stop22h 18m

$1,638

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Tue 4/8

18:20-08:15

1 stop22h 55m

Melbourne

Mon 10/8

10:55-20:40

2 stops24h 45m

$1,639

Flights are sorted by cheapest return flights first.

Deals found on 20/7

Showing 1-10 of 56 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 Airport

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

Currently, August is the cheapest month in which you can book a flight from Illinois to Melbourne Airport (average of $1,419). Flying from Illinois to Melbourne Airport in July is currently the most expensive (average of $2,481). 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 Airport?

Airfare is typical for this route at the moment.
Illinois to Melbourne Airport flights typically cost between $1,392 and $2,680 in January.
The cheapest return price found within the last 5 days was $1,509 on Qantas Airways (20 Jan–10 Feb).

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

The best time to book flights from Illinois to Melbourne Airport is 32 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 Airport?

    Departing from Illinois to Melbourne Airport will take you 23h 45m. The distance from Illinois to Melbourne Airport is about 15546 km. This flight may include one or multiple stops.

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

    The most popular route from Illinois to Melbourne Airport is Chicago O'Hare Intl - Melbourne. You may also consider Chicago Midway - Melbourne or 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 Airport?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Melbourne Airport (average of $1,419). Flying from Illinois to Melbourne Airport in July is currently the most expensive (average of $2,481). 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

Travelling to a place near Melbourne Airport?

Book flights to Melbourne Airport if you plan to visit one of these locations
Geelong
Dandenong
Ballarat
Tullamarine
Apollo Bay
Lorne
Shepparton
St Kilda
Phillip Island
Sorrento
Torquay
Daylesford
Mornington
Brighton

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois to Melbourne. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Melbourne from Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Illinois to Melbourne, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Illinois to Melbourne flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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