$241+ Cheap flights from Illinois

ORD — SYD
23 Sep — 30 Sep1
1 adult
1 adult, Economy, 0 bags

Find flights from Illinois within your budget

 

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 27/10

12:00-07:00

2 stops27h 00m

Melbourne

Wed 11/11

10:10-21:18

2 stops28h 08m

$1,623

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

$1,623

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 6/10

11:10-09:15

2 stops30h 05m

Melbourne

Tue 13/10

11:55-18:43

1 stop22h 48m

$1,768
Fastest return journey

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Sun 25/10

19:05-09:30

1 stop22h 25m

Melbourne

Tue 10/11

12:45-21:35

2 stops25h 50m

$1,768

St. LouisSydney

STL Lambert-St Louis - SYD Sydney Kingsford Smith

STLSYD

Lambert-St Louis

Mon 28/9

13:29-07:00

2 stops26h 31m

Sydney Kingsford Smith

Sun 18/10

10:30-16:37

2 stops22h 07m

$1,860

St. LouisSydney

STL Lambert-St Louis - SYD Sydney Kingsford Smith

STLSYD

Lambert-St Louis

Wed 23/9

12:59-07:00

2 stops27h 01m

Sydney Kingsford Smith

Wed 7/10

11:20-16:37

2 stops21h 17m

$1,860

St. LouisMelbourne

STL Lambert-St Louis - MEL Melbourne

STLMEL

Lambert-St Louis

Tue 27/10

13:08-08:55

3 stops27h 47m

Melbourne

Wed 11/11

08:15-22:24

3 stops31h 09m

$1,899

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Tue 26/1

18:50-21:00

2 stops34h 10m

Brisbane

Tue 9/2

21:55-14:30

1 stop32h 35m

$1,906

ChicagoCoolangatta

ORD Chicago O'Hare Intl - OOL Coolangatta Gold Coast

ORDOOL

Chicago O'Hare Intl

Sun 20/9

15:40-11:40

2 stops29h 00m

Coolangatta Gold Coast

Sun 27/9

06:00-14:43

2 stops23h 43m

$1,966

ChicagoMelbourne

ORD Chicago O'Hare Intl - MEL Melbourne

ORDMEL

Chicago O'Hare Intl

Wed 13/1

18:50-05:45

1 stop41h 55m

Melbourne

Tue 26/1

16:10-12:30

2 stops61h 20m

$2,047

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Illinois

Have a flexible travel schedule? Discover the best time to fly from Illinois with our price prediction graph.
Estimated return price

Travel insights for flights from Illinois

Get recent, data-driven insights about flights from Illinois including ideal travel times, pricing trends, and more.

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

Currently, June is the cheapest month in which you can book a flight from Illinois (average of $1,790). Flying from Illinois in December will prove the most costly (average of $2,445). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Illinois?

When flying from Illinois check dates and pricing for the following: Qantas Airways. As it departs for the following popular destinations: Sydney.

Qantas Airways
Qantas Airways
From $1,351
Delta
Delta
From $1,277

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is Los Angeles Los Angeles, with prices starting at $172. Explore other affordable destinations below.

Los Angeles Los Angeles
Los Angeles Los Angeles
From $172
Dallas/Fort Worth
Dallas/Fort Worth
From $196
Calgary
Calgary
From $243
Bogotá El Dorado
Bogotá El Dorado
From $261

When is the best time to book a flight from Illinois?

The best time to book flights from Illinois is 82 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.

Browse thousands of different options on Cheapflights for your next trip

Direct flights from USA

Direct flights from Moline

Related info for your journey

  • What is the cheapest month to fly from Illinois?

    Currently, the cheapest month for flights from Illinois is June. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • Where are the cheapest places to fly to from Illinois?

    View the cheapest flight destinations from Illinois:
    Fly from Chicago to Sydney from $1,411 round trip
    Fly from Chicago to Melbourne from $1,432 round trip

  • How does Cheapflights help users find flights from Illinois?

    Deals for flights from Illinois are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

  • Why should you use Cheapflights to find cheap flight tickets from Illinois?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Illinois for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Illinois with no change fees?

    Users can book flights with no change fees policies with our dedicated filters. Book flights from Illinois flexibly with Cheapflights today.

  • Can Cheapflights notify me if prices for flights from Illinois become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

See more FAQs

Fly with Cheapflights

How does Cheapflights help users find flights from Illinois?

Deals for flights from Illinois are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Illinois?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Illinois for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Illinois flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Illinois become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.