$180+ Flights from Illinois - Compare & Save Big | Cheapflights

What to know about flights from Illinois

Good round-trip deal	$169 or less
Good one-way deal	$103 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 1 May 2025.

Wed 11/619:51ORD - SYD

2 stops51h 49mMultiple Airlines

Wed 18/617:45SYD - ORD

1 stop28h 06mMultiple Airlines

Deal found 30/4$1,805

Sat 14/606:10ORD - MEL

2 stops39h 05mMultiple Airlines

Sat 21/613:40MEL - ORD

2 stops24h 25mMultiple Airlines

Deal found 30/4$1,826

Tue 21/1017:45ORD - SYD

1 stop34h 30mANA

Fri 31/1012:25SYD - ORD

2 stops32h 38mANA

Deal found 30/4$1,847

Wed 30/714:26ORD - SYD

2 stops27h 19mAir New Zealand

Wed 6/811:50SYD - ORD

2 stops26h 09mAir New Zealand

Deal found 30/4$1,869

Tue 9/916:32STL - MEL

2 stops27h 18mAir New Zealand

Tue 23/908:35MEL - STL

2 stops28h 41mAir New Zealand

Deal found 30/4$1,977

Sat 18/1019:03ORD - SYD

2 stops25h 42mFiji Airways

Sat 25/1014:45SYD - ORD

2 stops22h 17mFiji Airways

Deal found 30/4$1,983

Tue 24/606:28STL - SYD

1 stop33h 37mQantas Airways

Tue 8/709:10SYD - STL

1 stop29h 11mQantas Airways

Deal found 29/4$1,999

Tue 5/816:50ORD - MEL

2 stops33h 55mAir New Zealand

Tue 26/808:35MEL - ORD

2 stops30h 40mAir New Zealand

Deal found 30/4$2,010

Tue 5/819:38STL - MEL

2 stops24h 52mFiji Airways

Sat 16/813:30MEL - STL

2 stops24h 44mFiji Airways

Deal found 30/4$2,041

Wed 22/1023:45ORD - MEL

2 stops52h 40mTurkish Airlines

Wed 12/1120:40MEL - ORD

2 stops38h 45mTurkish Airlines

Deal found 30/4$2,048

Fri 24/1000:30ORD - PER

2 stops39h 20mMultiple Airlines

Sun 30/1120:25PER - ORD

2 stops61h 10mMultiple Airlines

Deal found 30/4$2,062

Tue 16/916:00ORD - SYD

1 stop27h 50mCathay Pacific

Tue 30/921:50SYD - ORD

1 stop31h 35mCathay Pacific

Deal found 30/4$2,063

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 1 May 2025.

Wed 11/619:51ORD - SYD

2 stops51h 49mMultiple Airlines

Wed 18/617:45SYD - ORD

1 stop28h 06mMultiple Airlines

Deal found 30/4$1,805

Tue 21/1017:45ORD - SYD

1 stop34h 30mANA

Fri 31/1012:25SYD - ORD

2 stops32h 38mANA

Deal found 30/4$1,847

Wed 30/714:26ORD - SYD

2 stops27h 19mAir New Zealand

Wed 6/811:50SYD - ORD

2 stops26h 09mAir New Zealand

Deal found 30/4$1,869

Sat 18/1019:03ORD - SYD

2 stops25h 42mFiji Airways

Sat 25/1014:45SYD - ORD

2 stops22h 17mFiji Airways

Deal found 30/4$1,983

Tue 24/606:28STL - SYD

1 stop33h 37mQantas Airways

Tue 8/709:10SYD - STL

1 stop29h 11mQantas Airways

Deal found 29/4$1,999

Wed 22/1023:45ORD - MEL

2 stops52h 40mTurkish Airlines

Wed 12/1120:40MEL - ORD

2 stops38h 45mTurkish Airlines

Deal found 30/4$2,048

Tue 16/916:00ORD - SYD

1 stop27h 50mCathay Pacific

Tue 30/921:50SYD - ORD

1 stop31h 35mCathay Pacific

Deal found 30/4$2,063

Tue 24/613:21STL - SYD

2 stops25h 44mAmerican Airlines

Tue 8/717:45SYD - STL

1 stop20h 36mAmerican Airlines

Deal found 29/4$2,076

Fri 3/1013:30STL - SYD

2 stops26h 05mDelta

Fri 17/1010:25SYD - STL

2 stops29h 14mDelta

Deal found 30/4$2,144

Tue 2/910:40ORD - SYD

3 stops29h 40mAir Canada

Wed 24/909:20SYD - ORD

2 stops25h 51mAir Canada

Deal found 30/4$2,221

Wed 18/609:10ORD - MEL

1 stop31h 20mUnited Airlines

Wed 25/609:30MEL - ORD

1 stop29h 29mUnited Airlines

Deal found 29/4$2,252

Wed 22/1021:00ORD - PER

2 stops37h 55mSingapore Airlines

Wed 3/1213:50PER - ORD

2 stops40h 20mSingapore Airlines

Deal found 30/4$2,535

Last-minute flights from Illinois
Discover last-minute flight deals departing from Illinois. Data was last updated 1 May 2025 and is based on user searches.

Tue 6/513:55ORD - MEL

3 stops30h 35mMultiple Airlines

Sun 25/512:55MEL - ORD

2 stops32h 47mMultiple Airlines

Deal found 29/4$2,180

Tue 6/516:00ORD - MEL

1 stop46h 55mCathay Pacific

Sun 25/523:45MEL - ORD

1 stop29h 40mCathay Pacific

Deal found 29/4$2,284

Tue 6/517:45ORD - SYD

1 stop34h 30mANA

Tue 27/520:55SYD - ORD

2 stops32h 38mANA

Deal found 30/4$2,607

Tue 6/519:13ORD - MEL

2 stops24h 07mAmerican Airlines

Sun 25/509:45MEL - ORD

2 stops23h 04mAmerican Airlines

Deal found 29/4$2,745

Tue 6/517:38ORD - SYD

2 stops25h 32mQantas Airways

Tue 27/517:45SYD - ORD

1 stop21h 14mQantas Airways

Deal found 30/4$2,756

Tue 6/512:48MDW - SYD

2 stops26h 47mDelta

Tue 27/509:25SYD - MDW

2 stops24h 20mDelta

Deal found 29/4$2,770

Wed 7/516:00ORD - SYD

1 stop27h 50mCathay Pacific

Sun 18/521:50SYD - ORD

1 stop31h 35mCathay Pacific

Deal found 30/4$2,138

Wed 7/519:13ORD - SYD

2 stops25h 32mFiji Airways

Wed 28/513:15SYD - ORD

2 stops24h 17mFiji Airways

Deal found 30/4$2,374

Wed 7/517:15ORD - SYD

2 stops22h 40mAmerican Airlines

Wed 28/510:25SYD - ORD

1 stop21h 47mAmerican Airlines

Deal found 30/4$2,701

Thu 8/508:37ORD - SYD

1 stop31h 53mMultiple Airlines

Thu 12/616:20SYD - ORD

2 stops46h 39mMultiple Airlines

Deal found 30/4$2,107

Fri 9/518:58ORD - SYD

2 stops33h 47mAlaska Airlines

Sat 17/521:40SYD - ORD

2 stops34h 22mAlaska Airlines

Deal found 30/4$2,254

Sat 10/518:59ORD - BNE

1 stop43h 26mMultiple Airlines

Sat 17/522:15BNE - ORD

2 stops47h 27mMultiple Airlines

Deal found 29/4$2,376

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 1 May 2025.

Fri 15/819:18ORD - SYD

2 stops52h 22mMultiple Airlines

Deal found 30/4$686

Tue 26/815:35STL - SYD

2 stops32h 05mMultiple Airlines

Deal found 29/4$886

Fri 15/821:12MDW - SYD

3 stops47h 33mMultiple Airlines

Deal found 30/4$957

Sat 19/719:18ORD - BNE

3 stops53h 47mMultiple Airlines

Deal found 30/4$974

Sat 14/600:59ORD - MEL

3 stops50h 16mMultiple Airlines

Deal found 30/4$1,041

Mon 1/917:45ORD - SYD

1 stop34h 30mANA

Deal found 30/4$1,080

Sat 19/719:03ORD - BNE

2 stops24h 32mFiji Airways

Deal found 30/4$1,128

Wed 2/706:00STL - SYD

2 stops33h 35mDelta

Deal found 30/4$1,164

Wed 7/518:58ORD - AVV

3 stops58h 07mMultiple Airlines

Deal found 30/4$1,197

Wed 28/519:59ORD - SYD

2 stops56h 46mAlaska Airlines

Deal found 30/4$1,246

Mon 29/908:50ORD - MEL

2 stops30h 40mPhilippine Airlines

Deal found 30/4$1,250

Tue 6/507:00STL - MEL

2 stops46h 35mAir New Zealand

Deal found 30/4$1,297

International flights from Illinois
Find cheap international flights from Illinois based on historic user searches and pricing. Information updated on 1 May 2025.

Sat 7/620:40AKL - DPS

1 stop17h 55mJetstar

Tue 17/622:35DPS - AKL

1 stop11h 35mJetstar

Deal found 29/4$744

Sat 7/606:15AKL - DPS

2 stops31h 35mMultiple Airlines

Tue 17/622:35DPS - AKL

1 stop11h 35mMultiple Airlines

Deal found 29/4$886

Thu 12/607:00AKL - SIN

2 stops24h 10mMultiple Airlines

Sat 14/602:00SIN - AKL

1 stop32h 10mMultiple Airlines

Deal found 29/4$907

Thu 4/919:30AKL - MNL

2 stops24h 20mChina Airlines

Mon 8/910:35MNL - AKL

2 stops27h 25mChina Airlines

Deal found 29/4$916

Mon 2/613:25AKL - MNL

1 stop14h 50mMultiple Airlines

Sun 22/612:30MNL - AKL

2 stops22h 35mMultiple Airlines

Deal found 30/4$922

Mon 1/913:25AKL - MNL

1 stop14h 50mCathay Pacific

Sun 7/912:30MNL - AKL

1 stop19h 10mCathay Pacific

Deal found 29/4$927

Tue 3/607:30AKL - MNL

1 stop15h 20mQantas Airways

Sat 28/602:45MNL - AKL

1 stop17h 10mQantas Airways

Deal found 29/4$1,027

Tue 14/1020:30AKL - DPS

2 stops23h 10mChina Airlines

Wed 5/1115:45DPS - AKL

2 stops22h 25mChina Airlines

Deal found 29/4$1,114

Fri 6/619:30AKL - SIN

2 stops33h 05mChina Airlines

Mon 23/613:45SIN - AKL

2 stops24h 15mChina Airlines

Deal found 30/4$1,171

Mon 30/606:45AKL - DPS

1 stop18h 05mQantas Airways

Mon 30/623:05DPS - AKL

1 stop16h 30mQantas Airways

Deal found 30/4$1,238

Mon 13/1014:00AKL - DPS

1 stop30h 30mMalaysia Airlines

Sat 1/1116:25DPS - AKL

1 stop14h 50mMalaysia Airlines

Deal found 29/4$1,257

Sun 24/814:10AKL - SIN

1 stop19h 10mFiji Airways

Thu 4/920:55SIN - AKL

1 stop21h 50mFiji Airways

Deal found 30/4$1,266

Find flights from Illinois within your budget

Fly to

Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 11/6

19:51-14:40

2 stops51h 49m

Sydney Kingsford Smith

Wed 18/6

17:45-06:51

1 stop28h 06m

$1,805

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Sat 14/6

06:10-12:15

2 stops39h 05m

Melbourne

Sat 21/6

13:40-23:05

2 stops24h 25m

$1,826

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 21/10

17:45-20:15

1 stop34h 30m

Sydney Kingsford Smith

Fri 31/10

12:25-05:03

2 stops32h 38m

$1,847

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 30/7

14:26-08:45

2 stops27h 19m

Sydney Kingsford Smith

Wed 6/8

11:50-22:59

2 stops26h 09m

$1,869

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 9/9

16:32-10:50

2 stops27h 18m

Melbourne

Tue 23/9

08:35-22:16

2 stops28h 41m

$1,977

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 18/10

19:03-12:45

2 stops25h 42m

Sydney Kingsford Smith

Sat 25/10

14:45-21:02

2 stops22h 17m

$1,983

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Tue 24/6

06:28-07:05

1 stop33h 37m

Sydney Kingsford Smith

Tue 8/7

09:10-23:21

1 stop29h 11m

$1,999

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Tue 5/8

16:50-17:45

2 stops33h 55m

Melbourne

Tue 26/8

08:35-00:15

2 stops30h 40m

$2,010

St. LouisMelbourne

STL - MEL

STLMEL

Lambert-St Louis

Tue 5/8

19:38-11:30

2 stops24h 52m

Melbourne

Sat 16/8

13:30-23:14

2 stops24h 44m

$2,041

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 22/10

23:45-20:25

2 stops52h 40m

Melbourne

Wed 12/11

20:40-18:25

2 stops38h 45m

$2,048

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 60 results

1

2

3

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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 $1,133). Flying from Illinois in December will prove the most costly (average of $1,347). 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

Qantas Airways

From $791

Air Canada

Air Canada

From $952

United Airlines

United Airlines

From $1,203

Spirit Airlines

Spirit Airlines

From $54

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is Orlando, with prices starting at $70. Explore other affordable destinations below.

Orlando

Orlando

From $45

Atlanta Hartsfield-Jackson

Atlanta Hartsfield-Jackson

From $66

New York

New York

From $75

Vancouver Intl

Vancouver Intl

From $77

Airline reviews for flights from Illinois

8.8

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.

8.8

Very Good

8.8

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

8.8

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

8.8

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

8.8

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

8.8

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.

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Related info for your journey

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 $1,555 round trip
Fly from Chicago to Melbourne from $1,690 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!

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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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