$184+ Flights from Illinois | Cheapflights

What to know about flights from Illinois

Good round-trip deal	$89 or less
Good one-way deal	$126 or less

Price to beat on a round-trip flight from Illinois.

Price to beat on a one-way flight from Illinois.

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 13 June 2025.

Sat 6/915:21ORD - SYD

3 stops29h 24mMultiple Airlines

Thu 11/913:15SYD - ORD

2 stops25h 16mMultiple Airlines

Deal found 12/6$1,572

Wed 5/1106:15STL - SYD

2 stops43h 35mQantas Airways

Sun 23/1114:20SYD - STL

1 stop18h 49mQantas Airways

Deal found 12/6$1,653

Tue 12/818:20ORD - BNE

2 stops25h 05mFiji Airways

Tue 19/811:35BNE - ORD

2 stops24h 22mFiji Airways

Deal found 11/6$1,747

Mon 28/706:40ORD - MEL

2 stops37h 10mMultiple Airlines

Mon 4/812:05MEL - ORD

2 stops32h 20mMultiple Airlines

Deal found 13/6$1,785

Wed 29/1013:35STL - SYD

2 stops27h 00mMultiple Airlines

Sat 15/1111:20SYD - STL

2 stops45h 06mMultiple Airlines

Deal found 12/6$1,796

Sat 15/1115:40ORD - BNE

1 stop25h 00mAir Canada

Fri 21/1110:45BNE - ORD

1 stop21h 53mAir Canada

Deal found 11/6$1,798

Sun 14/913:39STL - SYD

2 stops26h 41mAir Canada

Sat 27/909:20SYD - STL

2 stops29h 38mAir Canada

Deal found 12/6$1,825

Sun 27/706:40ORD - BNE

2 stops37h 20mMultiple Airlines

Sun 3/812:15BNE - ORD

2 stops32h 10mMultiple Airlines

Deal found 12/6$1,834

Tue 2/920:20ORD - SYD

2 stops31h 55mANA

Tue 14/1012:50SYD - ORD

1 stop35h 50mANA

Deal found 12/6$1,864

Tue 2/918:20ORD - SYD

2 stops26h 25mFiji Airways

Tue 14/1014:15SYD - ORD

2 stops22h 47mFiji Airways

Deal found 11/6$1,894

Sun 27/717:45ORD - PER

2 stops45h 45mMultiple Airlines

Sun 3/805:10PER - ORD

2 stops46h 45mMultiple Airlines

Deal found 12/6$1,913

Wed 22/1006:00ORD - SYD

2 stops33h 30mAlaska Airlines

Wed 29/1017:25SYD - ORD

2 stops27h 36mAlaska Airlines

Deal found 11/6$1,922

Best flights from Illinois
Discover carefully curated flight deals from Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2025.

Sat 6/915:21ORD - SYD

3 stops29h 24mMultiple Airlines

Thu 11/913:15SYD - ORD

2 stops25h 16mMultiple Airlines

Deal found 12/6$1,572

Wed 5/1106:15STL - SYD

2 stops43h 35mQantas Airways

Sun 23/1114:20SYD - STL

1 stop18h 49mQantas Airways

Deal found 12/6$1,653

Tue 12/818:20ORD - BNE

2 stops25h 05mFiji Airways

Tue 19/811:35BNE - ORD

2 stops24h 22mFiji Airways

Deal found 11/6$1,747

Sat 15/1115:40ORD - BNE

1 stop25h 00mAir Canada

Fri 21/1110:45BNE - ORD

1 stop21h 53mAir Canada

Deal found 11/6$1,798

Tue 2/920:20ORD - SYD

2 stops31h 55mANA

Tue 14/1012:50SYD - ORD

1 stop35h 50mANA

Deal found 12/6$1,864

Wed 22/1006:00ORD - SYD

2 stops33h 30mAlaska Airlines

Wed 29/1017:25SYD - ORD

2 stops27h 36mAlaska Airlines

Deal found 11/6$1,922

Sun 14/919:43STL - SYD

1 stop20h 12mAmerican Airlines

Sat 27/909:10SYD - STL

2 stops23h 50mAmerican Airlines

Deal found 12/6$1,933

Mon 20/1015:40ORD - MEL

2 stops27h 10mAir New Zealand

Tue 28/1008:35MEL - ORD

2 stops27h 50mAir New Zealand

Deal found 12/6$1,954

Wed 15/1023:45ORD - MEL

2 stops52h 40mTurkish Airlines

Wed 29/1021:15MEL - ORD

2 stops38h 10mTurkish Airlines

Deal found 11/6$2,023

Thu 24/706:00STL - SYD

2 stops33h 35mDelta

Tue 5/809:25SYD - STL

2 stops29h 28mDelta

Deal found 12/6$2,095

Sat 6/919:20ORD - PER

1 stop27h 35mQatar Airways

Sat 27/922:45PER - ORD

1 stop29h 20mQatar Airways

Deal found 10/6$2,163

Sun 3/808:50ORD - SYD

1 stop31h 15mBritish Airways

Tue 19/809:10SYD - ORD

1 stop23h 33mBritish Airways

Deal found 12/6$2,194

Last-minute flights from Illinois
Discover last-minute flight deals departing from Illinois. Data was last updated 13 June 2025 and is based on user searches.

Wed 18/615:42STL - SYD

2 stops23h 53mDelta

Wed 25/609:25SYD - STL

2 stops30h 18mDelta

Deal found 11/6$2,384

Wed 18/617:51ORD - SYD

1 stop22h 14mQantas Airways

Wed 9/709:10SYD - ORD

1 stop22h 52mQantas Airways

Deal found 12/6$2,519

Wed 18/616:20ORD - SYD

2 stops23h 35mUnited Airlines

Wed 9/710:20SYD - ORD

2 stops23h 04mUnited Airlines

Deal found 11/6$2,709

Thu 19/619:49ORD - SYD

2 stops35h 21mMultiple Airlines

Wed 25/613:15SYD - ORD

3 stops31h 57mMultiple Airlines

Deal found 11/6$2,014

Fri 20/606:28STL - SYD

1 stop33h 37mQantas Airways

Fri 11/710:25SYD - STL

1 stop24h 06mQantas Airways

Deal found 12/6$1,966

Fri 20/612:28STL - SYD

2 stops27h 37mAmerican Airlines

Fri 11/717:45SYD - STL

2 stops21h 43mAmerican Airlines

Deal found 12/6$2,071

Fri 20/619:10STL - SYD

1 stop20h 45mUnited Airlines

Thu 26/610:20SYD - STL

1 stop21h 25mUnited Airlines

Deal found 12/6$2,364

Fri 20/613:30STL - SYD

3 stops50h 50mAir Canada

Fri 11/709:20SYD - STL

2 stops26h 30mAir Canada

Deal found 12/6$2,441

Sat 21/606:10ORD - BNE

2 stops37h 30mMultiple Airlines

Mon 14/723:55BNE - ORD

1 stop29h 30mMultiple Airlines

Deal found 12/6$2,283

Sat 21/619:15ORD - SYD

2 stops25h 30mFiji Airways

Tue 8/706:15SYD - ORD

2 stops29h 45mFiji Airways

Deal found 11/6$2,422

Sun 22/619:35ORD - MEL

2 stops28h 10mMultiple Airlines

Mon 7/721:20MEL - ORD

2 stops32h 34mMultiple Airlines

Deal found 12/6$2,551

Mon 23/611:44ORD - MEL

1 stop28h 01mAmerican Airlines

Wed 16/715:05MEL - ORD

1 stop24h 54mAmerican Airlines

Deal found 12/6$2,656

One-way flights from Illinois
Search for one-way flight options from Illinois. Find affordable one-way fares based on user searches. Data last updated 13 June 2025.

Tue 26/813:01ORD - SYD

2 stops34h 39mMultiple Airlines

Deal found 11/6$697

Tue 23/915:20ORD - BNE

3 stops39h 10mMultiple Airlines

Deal found 12/6$893

Wed 27/812:15ORD - PER

2 stops54h 20mMultiple Airlines

Deal found 11/6$916

Wed 6/819:18ORD - MEL

3 stops55h 57mMultiple Airlines

Deal found 12/6$959

Mon 3/1108:00ORD - ADL

3 stops42h 25mMultiple Airlines

Deal found 12/6$964

Thu 28/811:00MDW - SYD

2 stops29h 30mMultiple Airlines

Deal found 11/6$966

Mon 11/807:00ORD - SYD

2 stops33h 30mAlaska Airlines

Deal found 12/6$1,035

Tue 8/718:02MDW - MEL

3 stops37h 43mMultiple Airlines

Deal found 12/6$1,059

Mon 11/819:03ORD - SYD

2 stops25h 42mFiji Airways

Deal found 11/6$1,059

Sun 2/1117:00ORD - MEL

2 stops27h 15mFiji Airways

Deal found 12/6$1,082

Sat 1/1118:05STL - MEL

2 stops26h 40mMultiple Airlines

Deal found 11/6$1,101

Mon 22/919:01ORD - BNE

2 stops24h 34mFiji Airways

Deal found 11/6$1,151

International flights from Illinois
Find cheap international flights from Illinois based on historic user searches and pricing. Information updated on 13 June 2025.

Tue 28/1012:45AKL - DPS

1 stop13h 15mJetstar

Tue 4/1122:20DPS - AKL

1 stop10h 50mJetstar

Deal found 10/6$682

Sat 26/706:40AKL - DPS

1 stop18h 10mMultiple Airlines

Fri 1/800:55DPS - AKL

2 stops47h 50mMultiple Airlines

Deal found 11/6$947

Thu 4/913:25AKL - MNL

1 stop14h 50mCathay Pacific

Wed 10/912:30MNL - AKL

1 stop19h 10mCathay Pacific

Deal found 11/6$953

Thu 4/919:30AKL - MNL

2 stops24h 20mChina Airlines

Fri 12/904:00MNL - AKL

2 stops34h 00mChina Airlines

Deal found 11/6$955

Wed 23/720:35AKL - MNL

2 stops18h 45mMultiple Airlines

Wed 30/712:30MNL - AKL

1 stop17h 20mMultiple Airlines

Deal found 11/6$959

Sat 26/706:15AKL - SIN

1 stop17h 20mMultiple Airlines

Sat 2/806:25SIN - AKL

3 stops43h 05mMultiple Airlines

Deal found 11/6$1,019

Thu 24/707:30AKL - MNL

1 stop15h 20mQantas Airways

Wed 30/702:45MNL - AKL

1 stop17h 10mQantas Airways

Deal found 12/6$1,029

Tue 4/1106:00AKL - DPS

1 stop19h 00mQantas Airways

Tue 18/1121:20DPS - AKL

1 stop22h 05mQantas Airways

Deal found 10/6$1,099

Thu 30/1020:50AKL - DPS

2 stops22h 55mChina Airlines

Fri 21/1115:45DPS - AKL

2 stops22h 25mChina Airlines

Deal found 10/6$1,105

Fri 24/1020:30AKL - SIN

2 stops33h 05mChina Airlines

Tue 11/1102:00SIN - AKL

2 stops36h 10mChina Airlines

Deal found 9/6$1,185

Wed 29/1015:10AKL - SIN

1 stop19h 10mFiji Airways

Thu 6/1113:25SIN - AKL

1 stop19h 15mFiji Airways

Deal found 9/6$1,243

Thu 10/720:40AKL - DEL

2 stops31h 55mMultiple Airlines

Wed 30/702:30DEL - AKL

3 stops44h 30mMultiple Airlines

Deal found 11/6$1,277

Find flights from Illinois within your budget

Fly to

Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 6/9

15:21-11:45

3 stops29h 24m

Sydney Kingsford Smith

Thu 11/9

13:15-23:31

2 stops25h 16m

$1,572

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Wed 5/11

06:15-18:50

2 stops43h 35m

Sydney Kingsford Smith

Sun 23/11

14:20-16:09

1 stop18h 49m

$1,653

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 12/8

18:20-10:25

2 stops25h 05m

Brisbane

Tue 19/8

11:35-20:57

2 stops24h 22m

$1,747

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 28/7

06:40-10:50

2 stops37h 10m

Melbourne

Mon 4/8

12:05-05:25

2 stops32h 20m

$1,785

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Wed 29/10

13:35-08:35

2 stops27h 00m

Sydney Kingsford Smith

Sat 15/11

11:20-15:26

2 stops45h 06m

$1,796

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sat 15/11

15:40-08:40

1 stop25h 00m

Brisbane

Fri 21/11

10:45-16:38

1 stop21h 53m

$1,798

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sun 14/9

13:39-07:20

2 stops26h 41m

Sydney Kingsford Smith

Sat 27/9

09:20-23:58

2 stops29h 38m

$1,825

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sun 27/7

06:40-11:00

2 stops37h 20m

Brisbane

Sun 3/8

12:15-05:25

2 stops32h 10m

$1,834

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 2/9

20:20-19:15

2 stops31h 55m

Sydney Kingsford Smith

Tue 14/10

12:50-08:40

1 stop35h 50m

$1,864

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 2/9

18:20-11:45

2 stops26h 25m

Sydney Kingsford Smith

Tue 14/10

14:15-21:02

2 stops22h 47m

$1,894

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 60 results

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

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, March is the cheapest month in which you can book a flight from Illinois (average of $1,048). Flying from Illinois in December will prove the most costly (average of $1,323). 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, Air Canada, United Airlines. As they depart for the following popular destinations: Sydney.

Qantas Airways

Air Canada

Spirit Airlines

Spirit Airlines

Turkish Airlines

Turkish Airlines

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is New York, with prices starting at $65. Explore other affordable destinations below.

New York

Orlando

Los Angeles

Miami

Airline reviews for flights from Illinois

8.7

Very Good

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

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.

8.7

Very Good

8.7

Very Good

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

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

8.7

Very Good

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

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.

8.3

Very Good

8.7

Very Good

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

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.

8.3

Very Good

8.7

Very Good

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

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

8.7

Very Good

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

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.

Browse thousands of different options on Cheapflights for your next trip

Direct flights from USA

Direct flights from Moline

Popular international destinations from United States

Flights from Los Angeles to Sydney

Flights from Los Angeles to Calgary

Flights from Honolulu to Sydney

Flights from San Francisco to Sydney

Flights from Los Angeles to Guadalajara

Flights from Los Angeles to Mexico City

Flights from Los Angeles to Brisbane

Flights from Los Angeles to Cancún

Flights from Los Angeles to San José

Flights from Los Angeles to San José del Cabo

Flights from John F Kennedy Intl to Sydney

Flights from San Francisco to Manila

Fly from other United States cities

Flights from Los Angeles

Flights from New York

Flights from Honolulu

Flights from San Francisco

Flights from Las Vegas

Flights from Dallas

Flights from Chicago

Flights from Seattle

Flights from Orlando

Flights from Miami

Flights from Washington, D.C.

Flights from Houston

Flights from Boston

Flights from Atlanta

Flights from Denver

Flights from Detroit

Flights from Phoenix

Flights from Nashville

Related info for your journey

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 $1,328. While Chicago Midway airport is usually cheaper if your destination is Sydney with prices starting at $1,604. 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 March. 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 $1,328 round trip
Fly from Chicago to Melbourne from $1,489 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.