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Cheap flights from Illinois to Melbourne Airport from $861

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MEL
12 Sep — 19 Sep1
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 13 August 2026.

Tue 20/1019:20 -
2 stops45h 30m
Tue 3/1110:10 -
2 stops27h 59m
Deal found 12/8$1,646
Tue 27/1005:40 -
1 stop31h 20m
Wed 11/1122:45 -
2 stops26h 22m
Deal found 11/8$1,761
Tue 20/1011:10 -
2 stops31h 45m
Tue 3/1108:15 -
2 stops31h 11m
Deal found 11/8$1,772
Wed 18/1110:25 -
2 stops29h 30m
Wed 25/1112:10 -
2 stops25h 27m
Deal found 10/8$1,790
Mon 14/1207:45 -
2 stops32h 10m
Mon 15/310:20 -
2 stops28h 42m
Deal found 11/8$1,792
Tue 8/913:36 -
2 stops27h 39m
Mon 28/910:55 -
2 stops25h 26m
Deal found 9/8$1,793
Tue 20/1011:10 -
2 stops30h 05m
Tue 3/1112:45 -
1 stop22h 20m
Deal found 12/8$1,795
Sun 6/915:40 -
2 stops28h 40m
Mon 21/906:00 -
2 stops23h 43m
Deal found 8/8$1,803
Sun 6/915:40 -
2 stops28h 40m
Mon 21/920:30 -
3 stops38h 18m
Deal found 8/8$1,820
Wed 18/1122:45 -
1 stop36h 25m
Wed 25/1110:20 -
1 stop23h 35m
Deal found 8/8$1,826
Wed 23/917:53 -
2 stops26h 02m
Tue 29/907:35 -
2 stops29h 02m
Deal found 9/8$1,857
Fri 23/1007:00 -
2 stops33h 55m
Sun 25/1012:10 -
2 stops27h 16m
Deal found 12/8$1,858

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 13 August 2026.

Round-trip from

$1,646

One-way from

$861

Popular in

December

Cheapest in

March

Average price

$1,438
Delta
  • Delta
  • 27/10-11/11
  • 4 total stops
  • 55h 58m total
  • Illinois to Melbourne
Search Deals
Delta
  • Delta
  • 14/10
  • 2 total stops
  • 34h 03m total
  • Illinois to Melbourne
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($364 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($66 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 13 August 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 Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 27/10

14:22-07:00

2 stops24h 38m

Melbourne

Wed 11/11

10:10-00:30

2 stops31h 20m

$1,646

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

19:20-08:50

2 stops45h 30m

Melbourne

Tue 3/11

10:10-21:09

2 stops27h 59m

$1,646

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 8/9

13:36-08:15

2 stops27h 39m

Melbourne

Mon 28/9

10:55-18:43

1 stop22h 48m

$1,788

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

11:10-09:15

2 stops30h 05m

Melbourne

Tue 3/11

12:45-18:05

1 stop22h 20m

$1,793

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Fri 22/1

18:50-23:20

1 stop35h 30m

Melbourne

Sun 7/2

17:10-14:30

1 stop38h 20m

$1,875

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Sat 23/1

18:50-05:45

1 stop41h 55m

Melbourne

Mon 8/2

16:10-14:30

1 stop39h 20m

$1,936

ChicagoMelbourne

MDW Chicago Midway - MEL Melbourne

MDWMEL

Chicago Midway

Fri 5/2

09:55-08:00

2 stops29h 05m

Melbourne

Tue 16/2

10:10-16:50

2 stops23h 40m

$2,283

ChicagoMelbourne

MDW Chicago Midway - MEL Melbourne

MDWMEL

Chicago Midway

Sun 17/1

09:30-08:00

2 stops29h 30m

Melbourne

Sat 30/1

10:10-22:10

2 stops29h 00m

$2,283

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Wed 30/12

17:45-10:30

2 stops23h 45m

Melbourne

Tue 12/1

12:45-22:45

1 stop27h 00m

$2,289

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Fri 20/11

14:40-09:30

1 stop25h 50m

Melbourne

Sun 29/11

11:30-05:20

1 stop34h 50m

$2,300

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 50 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 $1,430). Flying from Illinois to Melbourne Airport in July is currently the most expensive (average of $2,453). 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 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 27h 39m. 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, August is the cheapest month in which you can book a flight from Illinois to Melbourne Airport (average of $1,430). Flying from Illinois to Melbourne Airport in July is currently the most expensive (average of $2,453). 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
Tullamarine
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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