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Cheap flights from Illinois to Melbourne from $858

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Melbourne departing on 14/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Melbourne

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:30 - 12:00ORD  Chicago O'Hare Intl-MEL Melbourne
38h 30m3 stops Denver Intl Los Angeles Nadi
Multiple Airlines Logo
13:25 - 09:20MEL  Melbourne-ORD Chicago O'Hare Intl
34h 55m3 stops Nadi Los Angeles Atlanta Hartsfield-Jackson
$1,541Multiple Airlines
Wed, 23 Sep - Wed, 30 Sep
American Airlines Logo
05:40 - 05:00STL  Lambert-St Louis-MEL Melbourne
31h 20m1 stop Dallas/Fort Worth
American Airlines Logo
22:45 - 08:07MEL  Melbourne-STL Lambert-St Louis
26h 22m2 stops Los Angeles Charlotte Douglas
$1,616American Airlines
Tue, 27 Oct - Wed, 11 Nov
Delta Logo
19:20 - 08:50STL  Lambert-St Louis-MEL Melbourne
45h 30m2 stops Atlanta Hartsfield-Jackson Los Angeles
Delta Logo
10:10 - 21:09MEL  Melbourne-STL Lambert-St Louis
27h 59m2 stops Los Angeles Salt Lake City
$1,641Delta
Tue, 20 Oct - Tue, 3 Nov
American Airlines Logo
12:47 - 10:35STL  Lambert-St Louis-MEL Melbourne
29h 48m2 stops Dallas/Fort Worth Sydney Kingsford Smith
American Airlines Logo
12:00 - 21:59MEL  Melbourne-STL Lambert-St Louis
26h 59m1 stop Dallas/Fort Worth
$1,662American Airlines
Tue, 20 Oct - Tue, 3 Nov
American Airlines Logo
17:00 - 12:40STL  Lambert-St Louis-MEL Melbourne
28h 40m2 stops Dallas/Fort Worth Sydney Kingsford Smith
American Airlines Logo
15:25 - 23:46MEL  Melbourne-STL Lambert-St Louis
24h 21m2 stops Sydney Kingsford Smith Los Angeles
$1,704American Airlines
Tue, 29 Sep - Tue, 6 Oct
Multiple Airlines Logo
18:50 - 17:50ORD  Chicago O'Hare Intl-MEL Melbourne
30h 00m1 stop Doha Hamad Intl
Multiple Airlines Logo
16:10 - 14:30MEL  Melbourne-ORD Chicago O'Hare Intl
39h 20m1 stop Doha Hamad Intl
$1,737Multiple Airlines
Wed, 27 Jan - Wed, 3 Feb
Multiple Airlines Logo
18:50 - 17:50ORD  Chicago O'Hare Intl-MEL Melbourne
30h 00m1 stop Doha Hamad Intl
Multiple Airlines Logo
17:10 - 14:30MEL  Melbourne-ORD Chicago O'Hare Intl
38h 20m1 stop Doha Hamad Intl
$1,738Multiple Airlines
Wed, 27 Jan - Wed, 10 Feb
Multiple Airlines Logo
18:50 - 17:50ORD  Chicago O'Hare Intl-MEL Melbourne
30h 00m1 stop Doha Hamad Intl
Multiple Airlines Logo
17:10 - 14:30MEL  Melbourne-ORD Chicago O'Hare Intl
38h 20m1 stop Doha Hamad Intl
$1,743Multiple Airlines
Tue, 2 Feb - Tue, 2 Mar
Multiple Airlines Logo
18:50 - 23:20ORD  Chicago O'Hare Intl-MEL Melbourne
35h 30m1 stop Doha Hamad Intl
Multiple Airlines Logo
16:10 - 14:30MEL  Melbourne-ORD Chicago O'Hare Intl
39h 20m1 stop Doha Hamad Intl
$1,755Multiple Airlines
Thu, 21 Jan - Mon, 8 Feb
American Airlines Logo
05:40 - 05:00STL  Lambert-St Louis-MEL Melbourne
31h 20m1 stop Dallas/Fort Worth
American Airlines Logo
22:45 - 08:07MEL  Melbourne-STL Lambert-St Louis
26h 22m2 stops Los Angeles Charlotte Douglas
$1,757American Airlines
Tue, 27 Oct - Wed, 11 Nov

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American Airlines flights from Illinois to Melbourne

Our best American Airlines deals on Illinois to Melbourne flight tickets
American Airlines
27 Oct
STL05:40Lambert-St Louis
31h 20m
1 stop
MEL05:00Melbourne
11 Nov
MEL22:45Melbourne
26h 22m
2 stops
STL08:07Lambert-St Louis
$1,616
American Airlines
20 Oct
STL12:47Lambert-St Louis
29h 48m
2 stops
MEL10:35Melbourne
3 Nov
MEL12:00Melbourne
26h 59m
1 stop
STL21:59Lambert-St Louis
$1,662
American Airlines
29 Sept
STL17:00Lambert-St Louis
28h 40m
2 stops
MEL12:40Melbourne
6 Oct
MEL15:25Melbourne
24h 21m
2 stops
STL23:46Lambert-St Louis
$1,704

Delta flights from Illinois to Melbourne

Our best Delta deals on Illinois to Melbourne flight tickets
Delta
20 Oct
STL19:20Lambert-St Louis
45h 30m
2 stops
MEL08:50Melbourne
3 Nov
MEL10:10Melbourne
27h 59m
2 stops
STL21:09Lambert-St Louis
$1,641
Delta
18 Sept
STL14:25Lambert-St Louis
26h 25m
2 stops
MEL07:50Melbourne
25 Sept
MEL10:00Melbourne
29h 44m
2 stops
STL00:44Lambert-St Louis
$1,782
Delta
17 Jan
MDW09:30Chicago Midway
29h 30m
2 stops
MEL08:00Melbourne
30 Jan
MEL10:10Melbourne
29h 00m
2 stops
MDW22:10Chicago Midway
$2,276

momondo 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, momondo users made 78,305 searches. Data last updated 16 August 2026.
Use the filters below to find and compare flights from Illinois to Melbourne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Wed 23/9

06:30-12:00

3 stops38h 30m

Melbourne

Wed 30/9

13:25-09:20

3 stops34h 55m

$1,541

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 27/10

05:40-05:00

1 stop31h 20m

Melbourne

Wed 11/11

22:45-08:07

2 stops26h 22m

$1,616

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

$1,641

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 20/10

12:47-10:35

2 stops29h 48m

Melbourne

Tue 3/11

12:00-21:59

1 stop26h 59m

$1,662
Fastest return journey

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 29/9

17:00-12:40

2 stops28h 40m

Melbourne

Tue 6/10

15:25-23:46

2 stops24h 21m

$1,704

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Wed 27/1

18:50-17:50

1 stop30h 00m

Melbourne

Wed 3/2

16:10-14:30

1 stop39h 20m

$1,737

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Wed 27/1

18:50-17:50

1 stop30h 00m

Melbourne

Wed 10/2

17:10-14:30

1 stop38h 20m

$1,738

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Tue 2/2

18:50-17:50

1 stop30h 00m

Melbourne

Tue 2/3

17:10-14:30

1 stop38h 20m

$1,743

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Thu 21/1

18:50-23:20

1 stop35h 30m

Melbourne

Mon 8/2

16:10-14:30

1 stop39h 20m

$1,755

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 27/10

05:40-05:00

1 stop31h 20m

Melbourne

Wed 11/11

22:45-08:07

2 stops26h 22m

$1,757

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Melbourne from

How to get the cheapest flight ticket from Illinois to Melbourne

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Melbourne?

In general, August is the cheapest month to fly from Illinois to Melbourne. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,417. If you aren’t able to travel to Melbourne during the month of August, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,878.

How far in advance should I book a flight from Illinois to Melbourne?

You are more likely to see cheaper flights to Melbourne from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Melbourne for around $1,974 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Melbourne from Illinois for as low as $1,435 on momondo.

Cheap Illinois to Melbourne flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Melbourne

Fastest flight time

22h 25m

Direct flights

None
The fastest flight from Illinois to Melbourne takes 22h 25m
There are no direct flights from Illinois to Melbourne. There are no popular flight routes from Illinois to Melbourne.
Search flight deals

Frequently asked questions about flying from Illinois to Melbourne

  • When did momondo last update prices for flights from Illinois to Melbourne?

    Prices for flights from Illinois to Melbourne are refreshed on a daily basis.

  • How old do you have to be to fly from Illinois to Melbourne?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Melbourne.

  • What documentation or ID do you need to fly to Melbourne?

    The necessary travel and health documents for your Melbourne trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Melbourne?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Melbourne . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to Melbourne with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Melbourne flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Melbourne?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Melbourne from Illinois.

I’m not ready to book a flight from Illinois to Melbourne right now. Can momondo alert me if prices change?

Price alerts on flights to Melbourne from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Australia

Fly into one of these airports located in Melbourne

Airports listed have a maximum distance of 50.4 km from Melbourne
Melbourne Avalon Airport