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Cheap flights from Illinois to Melbourne from $738

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 3/3. 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

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Find the cheapest flights from Illinois to Melbourne

Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
16:13 - 08:20
STL
-
MEL
47h 07m
2 stops
Qantas Airways Logo
12:00 - 23:58
MEL
-
STL
27h 58m
1 stop
$1,340Qantas Airways
Wed, 4 Mar - Wed, 11 Mar
Qantas Airways Logo
16:49 - 22:45
ORD
-
MEL
37h 56m
2 stops
Qantas Airways Logo
09:45 - 17:41
MEL
-
ORD
22h 56m
1 stop
$1,369Qantas Airways
Thu, 19 Mar - Tue, 7 Apr
Qantas Airways Logo
16:49 - 17:15
ORD
-
MEL
32h 26m
2 stops
Qantas Airways Logo
09:45 - 21:20
MEL
-
ORD
26h 35m
1 stop
$1,371Qantas Airways
Thu, 19 Mar - Thu, 9 Apr
Qantas Airways Logo
16:49 - 22:45
ORD
-
MEL
37h 56m
2 stops
Qantas Airways Logo
09:45 - 17:41
MEL
-
ORD
22h 56m
1 stop
$1,373Qantas Airways
Sat, 21 Mar - Wed, 8 Apr
Multiple Airlines Logo
19:49 - 06:45
ORD
-
MEL
42h 56m
1 stop
Multiple Airlines Logo
13:25 - 05:50
MEL
-
ORD
31h 25m
2 stops
$1,402Multiple Airlines
Mon, 30 Mar - Tue, 14 Apr
Multiple Airlines Logo
21:20 - 06:45
ORD
-
MEL
42h 25m
1 stop
Multiple Airlines Logo
13:30 - 05:50
MEL
-
ORD
31h 20m
2 stops
$1,415Multiple Airlines
Fri, 17 Apr - Thu, 30 Apr
Delta Logo
10:43 - 07:50
STL
-
MEL
30h 07m
2 stops
Delta Logo
10:00 - 00:36
MEL
-
STL
29h 36m
2 stops
$1,679Delta
Wed, 13 May - Sun, 16 Aug
Delta Logo
14:22 - 08:00
STL
-
MEL
24h 38m
2 stops
Delta Logo
09:10 - 23:58
MEL
-
STL
30h 48m
2 stops
$1,686Delta
Wed, 4 Mar - Wed, 11 Mar
American Airlines Logo
16:13 - 09:30
STL
-
MEL
25h 17m
2 stops
American Airlines Logo
12:00 - 19:29
MEL
-
STL
23h 29m
2 stops
$1,808American Airlines
Fri, 20 Mar - Fri, 27 Mar
American Airlines Logo
09:35 - 05:00
STL
-
MEL
27h 25m
1 stop
American Airlines Logo
16:05 - 19:42
MEL
-
STL
19h 37m
1 stop
$1,821American Airlines
Sat, 21 Mar - Sat, 28 Mar

Qantas Airways flights from Illinois to Melbourne

Our best Qantas Airways deals on Illinois to Melbourne flight tickets
Qantas Airways
19 Mar
ORD16:49Chicago O'Hare Intl
37h 56m
2 stops
MEL22:45Melbourne
10 Apr
MEL09:45Melbourne
22h 10m
1 stop
ORD16:55Chicago O'Hare Intl
$1,369
Qantas Airways
19 Mar
ORD16:49Chicago O'Hare Intl
32h 26m
2 stops
MEL17:15Melbourne
9 Apr
MEL09:45Melbourne
26h 35m
1 stop
ORD21:20Chicago O'Hare Intl
$1,371
Qantas Airways
21 Mar
ORD16:49Chicago O'Hare Intl
37h 56m
2 stops
MEL22:45Melbourne
8 Apr
MEL09:45Melbourne
22h 56m
1 stop
ORD17:41Chicago O'Hare Intl
$1,373

American Airlines flights from Illinois to Melbourne

Our best American Airlines deals on Illinois to Melbourne flight tickets
American Airlines
20 Mar
STL16:13Lambert-St Louis
25h 17m
2 stops
MEL09:30Melbourne
27 Mar
MEL12:00Melbourne
23h 29m
2 stops
STL19:29Lambert-St Louis
$1,808
American Airlines
21 Mar
STL09:35Lambert-St Louis
27h 25m
1 stop
MEL05:00Melbourne
28 Mar
MEL16:05Melbourne
19h 37m
1 stop
STL19:42Lambert-St Louis
$1,821
American Airlines
12 Mar
STL16:13Lambert-St Louis
25h 17m
2 stops
MEL09:30Melbourne
21 Mar
MEL16:05Melbourne
22h 53m
1 stop
STL22:58Lambert-St Louis
$1,827

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 6 February 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

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 4/3

16:13-08:20

2 stops47h 07m

Melbourne

Wed 11/3

12:00-23:58

1 stop27h 58m

$1,340

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Thu 19/3

16:49-22:45

2 stops37h 56m

Melbourne

Tue 7/4

09:45-17:41

1 stop22h 56m

$1,369

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Thu 19/3

16:49-17:15

2 stops32h 26m

Melbourne

Thu 9/4

09:45-21:20

1 stop26h 35m

$1,371

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sat 21/3

16:49-22:45

2 stops37h 56m

Melbourne

Wed 8/4

09:45-17:41

1 stop22h 56m

$1,373

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 30/3

19:49-06:45

1 stop42h 56m

Melbourne

Tue 14/4

13:25-05:50

2 stops31h 25m

$1,402

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Fri 17/4

21:20-06:45

1 stop42h 25m

Melbourne

Thu 30/4

13:30-05:50

2 stops31h 20m

$1,415

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 13/5

10:43-07:50

2 stops30h 07m

Melbourne

Sun 16/8

10:00-00:36

2 stops29h 36m

$1,679

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Wed 4/3

14:22-08:00

2 stops24h 38m

Melbourne

Wed 11/3

09:10-23:58

2 stops30h 48m

$1,686

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Fri 20/3

16:13-09:30

2 stops25h 17m

Melbourne

Fri 27/3

12:00-19:29

2 stops23h 29m

$1,808

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Sat 21/3

09:35-05:00

1 stop27h 25m

Melbourne

Sat 28/3

16:05-19:42

1 stop19h 37m

$1,821

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, July 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 $1,283. If you aren’t able to travel to Melbourne during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,283.

How far in advance should I book a flight 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 $1,720 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 $1,362 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

21h 55m

Direct flights

None
The fastest flight from Illinois to Melbourne takes 21h 55m
There are no direct flights from Illinois to Melbourne. There are no popular flight routes from Illinois to Melbourne.
Search flight deals

  • 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 many operators does momondo search for flights from Illinois to Melbourne?

  • 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.

Best airlines flying from Illinois to Melbourne

Compare and see reviews for airlines that fly from Illinois to Melbourne with momondo
Airline
Rating
Free cancellation
Price
Qantas AirwaysPriceFrom $1,258Free cancellationRating
7.5
986 reviews
Search Qantas Airways flights

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