Cheap flights from Illinois to Melbourne from $919

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MEL
11 Jan — 18 Jan1
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 December 2025.

Wed 10/1217:30STL - MEL
1 stop42h 30mQantas Airways
Thu 8/121:05MEL - STL
2 stops34h 42mQantas Airways
Deal found 10/12$1,852
Mon 29/1216:46ORD - MEL
2 stops26h 54mQantas Airways
Thu 15/112:00MEL - ORD
1 stop28h 59mQantas Airways
Deal found 11/12$1,915
Wed 31/1206:30STL - MEL
2 stops34h 00mUnited Airlines
Wed 14/113:00MEL - STL
2 stops41h 16mUnited Airlines
Deal found 10/12$1,921
Wed 31/1206:00STL - MEL
2 stops33h 00mDelta
Wed 14/110:10MEL - STL
2 stops30h 15mDelta
Deal found 11/12$1,950
Wed 24/1206:41STL - MEL
1 stop34h 19mUnited Airlines
Wed 31/1211:30MEL - STL
2 stops27h 52mUnited Airlines
Deal found 12/12$1,954
Mon 29/1219:47ORD - MEL
2 stops26h 48mQantas Airways
Fri 16/106:45MEL - ORD
2 stops25h 12mQantas Airways
Deal found 11/12$1,972
Mon 29/1219:47ORD - MEL
2 stops26h 48mQantas Airways
Tue 13/106:45MEL - ORD
2 stops25h 12mQantas Airways
Deal found 11/12$2,028
Mon 29/1219:47ORD - MEL
2 stops26h 48mQantas Airways
Sat 17/123:55MEL - ORD
2 stops32h 02mQantas Airways
Deal found 11/12$2,044
Wed 31/1215:30STL - MEL
2 stops28h 10mQantas Airways
Wed 14/112:00MEL - STL
1 stop28h 59mQantas Airways
Deal found 11/12$2,071
Wed 31/1216:46ORD - MEL
2 stops26h 54mQantas Airways
Wed 21/106:45MEL - ORD
2 stops25h 12mQantas Airways
Deal found 10/12$2,079
Wed 10/1215:11ORD - MEL
2 stops33h 04mQantas Airways
Wed 17/1206:45MEL - ORD
2 stops28h 07mQantas Airways
Deal found 10/12$2,149
Thu 11/1215:53ORD - MEL
2 stops24h 32mAir New Zealand
Wed 11/312:10MEL - ORD
2 stops24h 13mAir New Zealand
Deal found 10/12$2,209

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 December 2025.

Round-trip from

$1,454

One-way from

$919

Popular in

December

Cheapest in

July

Average price

$2,576
Qantas Airways
  • Qantas Airways
  • 23/2-22/3
  • 3 total stops
  • 59h 33m total
  • Illinois to Melbourne
25/1
  • 25/1
  • 3 total stops
  • 42h 42m total
  • Illinois to Melbourne
Highest demand for flights based on searches. 16% potential increase in price ($560 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($92 potential savings vs. average return price).
Average for round-trip flights in December 2025

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 December 2025.
Use the filters below to find and compare flights from Illinois to Melbourne that are best for you.

Fly from

Illinois

Fly to

Melbourne

Route

Depart

Return

Price

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sat 7/2

14:00-13:35

3 stops30h 35m

Melbourne

Sat 14/2

19:50-14:41

2 stops35h 51m

$1,567

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sun 15/2

15:35-13:35

2 stops29h 00m

Melbourne

Thu 19/2

07:10-14:41

2 stops24h 31m

$1,702

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 26/1

18:29-10:00

1 stop22h 31m

Melbourne

Mon 2/2

13:00-20:05

1 stop24h 05m

$1,736

ChicagoMelbourne

ORD - AVV

ORDAVV

Chicago O'Hare Intl

Sat 21/2

21:14-14:10

3 stops47h 56m

Melbourne Avalon

Sat 28/2

20:55-15:10

3 stops59h 15m

$1,736

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Tue 17/2

18:31-09:30

1 stop21h 59m

Melbourne

Wed 25/2

11:30-14:45

1 stop20h 15m

$1,736

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sun 15/2

14:35-10:00

1 stop26h 25m

Melbourne

Sun 22/2

11:30-18:55

1 stop24h 25m

$1,736

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 16/2

16:45-10:00

1 stop24h 15m

Melbourne

Wed 25/2

13:00-19:55

1 stop23h 55m

$1,736

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sun 15/2

16:45-10:00

1 stop24h 15m

Melbourne

Tue 24/2

13:00-17:02

1 stop21h 02m

$1,736

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sun 15/2

16:45-10:00

1 stop24h 15m

Melbourne

Mon 23/2

13:00-19:55

1 stop23h 55m

$1,736

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 23/3

16:35-09:00

1 stop24h 25m

Melbourne

Mon 6/4

10:55-06:27

1 stop34h 32m

$1,751

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 55 results
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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, September is the cheapest month in which you can book a flight from Illinois to Melbourne (average of $737). Flying from Illinois to Melbourne in December is currently the most expensive (average of $1,909). 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 $1,736, Air Canada can have you in Melbourne from Illinois in 22h 31m. 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?

  • 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, September is the cheapest month in which you can book a flight from Illinois to Melbourne (average of $737). Flying from Illinois to Melbourne in December is currently the most expensive (average of $1,909). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Illinois to Melbourne

Discover the top airline that operate flights from Illinois to Melbourne. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,317Average$1,816FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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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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