Cheap flights from Illinois to Melbourne Airport from $798

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MEL
9 Jun — 16 Jun1
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 10 May 2026.

Mon 22/607:04
STL
-
MEL
1 stop30h 56m
American Airlines
Mon 29/609:45
MEL
-
STL
1 stop29h 11m
American Airlines
Deal found 8/5$1,492
Sat 12/912:43
STL
-
MEL
2 stops27h 02m
American Airlines
Wed 23/913:35
MEL
-
STL
1 stop21h 11m
American Airlines
Deal found 7/5$1,498
Tue 27/1007:20
STL
-
MEL
2 stops33h 30m
Delta
Tue 10/1112:00
MEL
-
STL
2 stops22h 56m
Delta
Deal found 7/5$1,524
Mon 26/1011:51
STL
-
MEL
2 stops28h 59m
Delta
Mon 9/1112:00
MEL
-
STL
2 stops29h 36m
Delta
Deal found 8/5$1,525
Sat 12/919:05
STL
-
MEL
2 stops69h 45m
Delta
Fri 25/910:00
MEL
-
STL
2 stops23h 00m
Delta
Deal found 7/5$1,544
Fri 30/1017:11
STL
-
MEL
2 stops30h 24m
Qantas Airways
Fri 13/1123:15
MEL
-
STL
1 stop41h 27m
Qantas Airways
Deal found 7/5$1,567
Mon 26/1006:30
STL
-
MEL
1 stop35h 00m
Qantas Airways
Mon 9/1113:55
MEL
-
STL
2 stops39h 42m
Qantas Airways
Deal found 7/5$1,594
Mon 26/1006:30
STL
-
MEL
1 stop35h 00m
American Airlines
Mon 9/1123:15
MEL
-
STL
2 stops25h 55m
American Airlines
Deal found 8/5$1,640
Tue 23/618:20
ORD
-
MEL
2 stops34h 00m
Multiple Airlines
Sat 1/807:30
MEL
-
ORD
2 stops28h 52m
Multiple Airlines
Deal found 8/5$1,651
Sat 27/618:29
ORD
-
MEL
2 stops33h 51m
Multiple Airlines
Sat 1/807:30
MEL
-
ORD
2 stops28h 52m
Multiple Airlines
Deal found 7/5$1,696
Tue 28/713:25
ORD
-
MEL
2 stops38h 55m
Multiple Airlines
Thu 6/807:30
MEL
-
ORD
2 stops28h 32m
Multiple Airlines
Deal found 7/5$1,746
Sat 25/718:29
ORD
-
MEL
2 stops33h 51m
Multiple Airlines
Sat 8/807:30
MEL
-
ORD
2 stops28h 32m
Multiple Airlines
Deal found 6/5$1,830

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 10 May 2026.

Round-trip from

$1,492

One-way from

$798

Popular in

December

Cheapest in

March

Average price

$2,048
American Airlines
  • American Airlines
  • 22/6-29/6
  • 2 total stops
  • 60h 07m total
  • Illinois to Melbourne
4/8
  • 4/8
  • 2 total stops
  • 33h 52m total
  • Illinois to Melbourne
Highest demand for flights based on searches. 14% potential increase in price ($449 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($107 potential savings vs. average return price).
Average for round-trip flights in May 2026

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 10 May 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

Mon 22/6

08:36-05:00

1 stop29h 24m

Melbourne

Mon 29/6

14:05-23:56

2 stops24h 51m

$1,536

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sat 25/7

18:29-19:20

2 stops33h 51m

Melbourne

Sat 8/8

07:30-21:02

2 stops28h 32m

$2,006

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sat 4/7

10:40-08:15

1 stop30h 35m

Melbourne

Sun 15/11

11:30-14:37

1 stop20h 07m

$2,210

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Fri 3/7

16:45-07:30

1 stop23h 45m

Melbourne

Mon 16/11

13:00-22:55

1 stop26h 55m

$2,210

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 28/9

16:40-07:30

1 stop23h 50m

Melbourne

Wed 7/10

11:55-21:27

1 stop25h 32m

$2,210
Fastest return journey

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Tue 30/6

18:20-08:15

1 stop22h 55m

Melbourne

Tue 28/7

10:55-16:38

1 stop20h 43m

$2,210

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 8/7

16:45-07:30

1 stop23h 45m

Melbourne

Wed 29/7

09:30-14:35

1 stop20h 05m

$2,212

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Thu 9/7

18:20-08:15

1 stop22h 55m

Melbourne

Thu 23/7

10:55-21:34

1 stop25h 39m

$2,212

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 3/8

16:12-08:15

2 stops25h 03m

Melbourne

Tue 18/8

10:55-18:32

1 stop22h 37m

$2,216

ChicagoMelbourne

MDW - MEL

MDWMEL

Chicago Midway

Wed 1/7

09:54-07:50

2 stops30h 56m

Melbourne

Sun 9/8

10:00-18:33

2 stops23h 33m

$2,227

Flights are sorted by cheapest return flights first.

Deals found on 7/5

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

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 42 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.

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Melbourne Airport (average of $156). Flying from Illinois to Melbourne Airport in February is currently the most expensive (average of $1,256). 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?

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 29h 24m. 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?

  • 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, November is the cheapest month in which you can book a flight from Illinois to Melbourne Airport (average of $156). Flying from Illinois to Melbourne Airport in February is currently the most expensive (average of $1,256). 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
Dandenong
Geelong
Ballarat
Apollo Bay
Lorne
St Kilda
Shepparton
Tullamarine
Phillip Island
Sorrento
Torquay
Daylesford
Mornington
Brighton

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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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