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$174+ Cheap flights from Illinois

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — SYD
22 Dec — 29 Dec1
1 adult

Find flights from Illinois within your budget

Find flights departing from Illinois that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 17 December 2024. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Any airport

Route

Depart

Return

Price

ChicagoCanberra

ORD - CBR

ORDCBR

Chicago O'Hare Intl

Tue 25/2

15:19-13:10

2 stops28h 51m

Canberra

Fri 25/4

06:05-17:44

2 stops26h 39m

$1,351

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 20/1

15:20-07:25

1 stop23h 05m

Sydney Kingsford Smith

Fri 31/1

11:50-16:28

2 stops21h 38m

$1,369

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Fri 17/1

20:25-09:00

1 stop43h 35m

Sydney Kingsford Smith

Fri 24/1

17:25-17:59

2 stops41h 34m

$1,373

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Fri 17/1

20:25-09:00

1 stop43h 35m

Sydney Kingsford Smith

Fri 31/1

11:50-15:26

1 stop20h 36m

$1,376

ChicagoCanberra

ORD - CBR

ORDCBR

Chicago O'Hare Intl

Wed 15/1

15:20-12:45

2 stops28h 25m

Canberra

Tue 21/1

06:25-15:26

2 stops26h 01m

$1,481

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 24/3

07:00-10:30

2 stops35h 30m

Sydney Kingsford Smith

Mon 26/5

11:50-05:03

2 stops32h 13m

$1,533

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 11/2

17:40-14:30

2 stops28h 50m

Brisbane

Tue 18/2

06:10-15:47

2 stops25h 37m

$1,618

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Fri 14/3

14:13-11:35

2 stops30h 22m

Brisbane

Sat 22/3

08:05-19:21

1 stop26h 16m

$1,663

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Fri 14/3

14:13-05:00

1 stop23h 47m

Brisbane

Sat 22/3

22:00-05:31

1 stop22h 31m

$1,745

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sat 1/2

17:40-09:30

1 stop22h 50m

Melbourne

Sat 8/2

07:00-17:45

2 stops27h 45m

$1,768

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 60 results
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Find flights from Illinois

Cheapest flights from Illinois
Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on 17 December 2024.

Tue 25/215:19ORD - CBR
2 stops28h 51mQantas Airways
Fri 25/406:05CBR - ORD
2 stops26h 39mQantas Airways
Deal found 16/12$1,351
Mon 20/115:20ORD - SYD
1 stop23h 05mAmerican Airlines
Fri 31/111:50SYD - ORD
2 stops21h 38mAmerican Airlines
Deal found 16/12$1,369
Fri 17/120:25ORD - SYD
1 stop43h 35mMultiple Airlines
Fri 24/117:25SYD - ORD
2 stops41h 34mMultiple Airlines
Deal found 17/12$1,373
Fri 17/120:25ORD - SYD
1 stop43h 35mQantas Airways
Fri 31/111:50SYD - ORD
1 stop20h 36mQantas Airways
Deal found 15/12$1,376
Wed 15/115:20ORD - CBR
2 stops28h 25mAmerican Airlines
Tue 21/106:25CBR - ORD
2 stops26h 01mAmerican Airlines
Deal found 15/12$1,481
Mon 24/307:00ORD - SYD
2 stops35h 30mANA
Mon 26/511:50SYD - ORD
2 stops32h 13mANA
Deal found 15/12$1,533
Tue 11/217:40ORD - BNE
2 stops28h 50mMultiple Airlines
Tue 18/206:10BNE - ORD
2 stops25h 37mMultiple Airlines
Deal found 16/12$1,618
Fri 14/314:13ORD - BNE
2 stops30h 22mQantas Airways
Sat 22/308:05BNE - ORD
1 stop26h 16mQantas Airways
Deal found 16/12$1,663
Fri 14/314:13ORD - BNE
1 stop23h 47mAmerican Airlines
Sat 22/322:00BNE - ORD
1 stop22h 31mAmerican Airlines
Deal found 15/12$1,745
Sat 1/217:40ORD - MEL
1 stop22h 50mQantas Airways
Sat 8/207:00MEL - ORD
2 stops27h 45mQantas Airways
Deal found 17/12$1,768
Thu 30/113:13ORD - MEL
2 stops27h 17mAmerican Airlines
Thu 6/218:00MEL - ORD
2 stops37h 25mAmerican Airlines
Deal found 16/12$1,800
Tue 11/317:27STL - MEL
2 stops32h 33mMultiple Airlines
Thu 27/306:15MEL - STL
2 stops29h 10mMultiple Airlines
Deal found 17/12$1,833

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
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.

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, October is the cheapest month in which you can book a flight from Illinois (average of $1,206). Flying from Illinois in November will prove the most costly (average of $1,511). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Illinois

Get insights into the airlines that provide service from Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Illinois. In the last 7 days, Cheapflights users made a total of 647,157 searches.
8.6
Very Good
65 reviews

Comfort

8.0

Entertainment

7.2

Crew

8.9

Food

7.7

Overall

8.6

Boarding

8.5

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.6
Very Good
65 reviews
8.6
Very Good
65 reviews

Comfort

8.0

Entertainment

7.2

Crew

8.9

Food

7.7

Overall

8.6

Boarding

8.5

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.4
Very Good
841 reviews
8.6
Very Good
65 reviews

Comfort

8.0

Entertainment

7.2

Crew

8.9

Food

7.7

Overall

8.6

Boarding

8.5

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.4
Very Good
1,018 reviews
8.6
Very Good
65 reviews

Comfort

8.0

Entertainment

7.2

Crew

8.9

Food

7.7

Overall

8.6

Boarding

8.5

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.1
Very Good
191 reviews
8.6
Very Good
65 reviews

Comfort

8.0

Entertainment

7.2

Crew

8.9

Food

7.7

Overall

8.6

Boarding

8.5

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

8.0
Very Good
8,615 reviews
8.6
Very Good
65 reviews

Comfort

8.0

Entertainment

7.2

Crew

8.9

Food

7.7

Overall

8.6

Boarding

8.5

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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Related info for your journey

Access useful and relevant information related to your journey from Illinois. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 17 December 2024.
  • Which is the cheapest airport to catch a flight from Illinois?

    The cheapest routes to Melbourne can be found at Chicago O'Hare Intl airport from $1,236. While Chicago Midway airport is usually cheaper if your destination is Sydney with prices starting at $1,581. Reference our flight search to find the best deals in real time.

  • What is the cheapest month to fly from Illinois?

    Currently, the cheapest month for flights from Illinois is October. The most expensive month for flights is November. 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 $1,236 round trip
    Fly from Chicago to Melbourne from $1,629 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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

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