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Cheap flights from Illinois to Melbourne Airport from $872

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MEL
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 11 November 2025.

Thu 4/1220:46ORD - MEL
1 stop39h 29mQantas Airways
Wed 14/116:40MEL - ORD
2 stops39h 17mQantas Airways
Deal found 9/11$1,645
Thu 13/1115:59STL - MEL
2 stops47h 31mQantas Airways
Wed 3/1216:05MEL - STL
1 stop20h 24mQantas Airways
Deal found 9/11$1,737
Mon 8/1206:50ORD - MEL
2 stops45h 40mMultiple Airlines
Mon 15/1208:35MEL - ORD
2 stops32h 38mMultiple Airlines
Deal found 7/11$1,830
Mon 8/1217:30STL - MEL
2 stops45h 50mQantas Airways
Mon 15/1212:00MEL - STL
1 stop28h 57mQantas Airways
Deal found 10/11$1,859
Sat 6/1211:45ORD - MEL
2 stops36h 30mQantas Airways
Sat 13/1212:00MEL - ORD
1 stop21h 54mQantas Airways
Deal found 8/11$1,931
Sat 6/1206:50ORD - MEL
2 stops33h 35mMultiple Airlines
Sat 13/1210:35MEL - ORD
2 stops30h 38mMultiple Airlines
Deal found 8/11$1,968
Mon 1/1208:15ORD - MEL
1 stop32h 15mQantas Airways
Mon 15/1218:30MEL - ORD
2 stops36h 04mQantas Airways
Deal found 10/11$1,999
Thu 4/1214:21ORD - MEL
2 stops26h 04mAir New Zealand
Wed 14/110:35MEL - ORD
2 stops26h 50mAir New Zealand
Deal found 9/11$2,060
Mon 1/1221:18ORD - MEL
2 stops49h 17mAir New Zealand
Mon 15/1218:55MEL - ORD
2 stops40h 55mAir New Zealand
Deal found 8/11$2,074
Sat 22/1116:57ORD - MEL
2 stops32h 48mMultiple Airlines
Sat 6/1207:00MEL - ORD
2 stops29h 35mMultiple Airlines
Deal found 9/11$2,082
Mon 1/1208:10ORD - MEL
2 stops35h 35mMultiple Airlines
Mon 15/1213:55MEL - ORD
2 stops27h 18mMultiple Airlines
Deal found 10/11$2,094
Mon 1/1220:20ORD - MEL
1 stop44h 10mQantas Airways
Fri 12/1218:30MEL - ORD
2 stops40h 22mQantas Airways
Deal found 9/11$2,109

Cheap flight deals from Illinois to Melbourne

Keep the following information in mind while searching for Illinois to Melbourne flight deals. Data was last updated 11 November 2025.

Round-trip from

$1,596

One-way from

$872

Popular in

December

Cheapest in

July

Average price

$2,094
Qantas Airways
  • Qantas Airways
  • 25/2-6/3
  • 3 total stops
  • 48h 35m total
  • Illinois to Melbourne
Search Deals
4/2
  • 4/2
  • 2 total stops
  • 47h 10m total
  • Illinois to Melbourne
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($639 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($113 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 11 November 2025.
Use the filters below to find and compare flights from Illinois to Melbourne Airport that are best for you.

Fly from

Illinois

Fly to

Melbourne

Route

Depart

Return

Price

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 8/12

17:30-08:20

2 stops45h 50m

Melbourne

Mon 15/12

12:00-23:57

1 stop28h 57m

$1,859

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 4/4

19:06-08:15

1 stop22h 09m

Melbourne

Sat 11/4

10:55-18:22

1 stop22h 27m

$1,967

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 3/4

19:06-09:15

1 stop22h 09m

Melbourne

Sun 19/4

10:55-18:22

1 stop22h 27m

$1,967

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Mon 5/1

10:30-09:30

2 stops30h 00m

Melbourne

Sat 31/1

11:30-19:27

2 stops24h 57m

$1,973

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 6/1

08:45-09:30

2 stops31h 45m

Melbourne

Fri 6/2

13:00-19:27

2 stops23h 27m

$1,973

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 7/1

10:07-09:30

2 stops30h 23m

Melbourne

Fri 6/2

11:30-19:27

2 stops24h 57m

$1,973

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 7/1

11:20-09:30

2 stops29h 10m

Melbourne

Sun 1/2

11:30-16:55

2 stops22h 25m

$1,973

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Thu 4/12

14:21-09:25

2 stops26h 04m

Melbourne

Wed 14/1

10:35-20:25

2 stops26h 50m

$2,060

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 2/1

17:45-09:30

2 stops46h 45m

Melbourne

Thu 22/1

11:30-20:58

2 stops26h 28m

$2,147

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Tue 20/1

11:56-05:00

1 stop24h 04m

Melbourne

Fri 30/1

12:00-21:23

1 stop26h 23m

$2,190

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 52 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 Airport

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Melbourne Airport (average of $752). Flying from Illinois to Melbourne Airport in December is currently the most expensive (average of $1,723). 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 Airport?

    Departing from Illinois to Melbourne Airport will take you 22h 09m. The distance from Illinois to Melbourne Airport is about 15255 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, September is the cheapest month in which you can book a flight from Illinois to Melbourne Airport (average of $752). Flying from Illinois to Melbourne Airport in December is currently the most expensive (average of $1,723). 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
Apollo Bay
St Kilda
Lorne
Tullamarine
Phillip Island
Shepparton
Torquay
Daylesford
Mornington
Sorrento
Brighton
Doncaster

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Alternative routes for Illinois to Melbourne

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St. Louis to Melbourne flights

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 11 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,343Average$1,852FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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