$162+ Flights from Illinois | Cheapflights

What to know about flights from Illinois

Good round-trip deal	$171 or less
Good one-way deal	$67 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 15 April 2025.

Mon 5/509:09ORD - MEL

3 stops35h 46mMultiple Airlines

Fri 16/513:35MEL - ORD

2 stops32h 07mMultiple Airlines

Deal found 15/4$1,666

Wed 21/518:59ORD - SYD

2 stops33h 21mMultiple Airlines

Wed 28/513:15SYD - ORD

2 stops32h 27mMultiple Airlines

Deal found 15/4$1,708

Tue 13/518:59ORD - BNE

3 stops31h 46mMultiple Airlines

Tue 20/506:00BNE - ORD

3 stops44h 36mMultiple Airlines

Deal found 15/4$1,743

Tue 22/717:45ORD - SYD

1 stop34h 30mANA

Tue 9/911:50SYD - ORD

1 stop35h 50mANA

Deal found 14/4$1,875

Tue 13/518:45ORD - SYD

2 stops26h 00mFiji Airways

Tue 27/506:15SYD - ORD

2 stops29h 09mFiji Airways

Deal found 14/4$1,878

Thu 15/518:59ORD - ADL

2 stops26h 06mMultiple Airlines

Thu 22/512:35ADL - ORD

3 stops31h 20mMultiple Airlines

Deal found 15/4$1,924

Wed 28/513:30STL - SYD

2 stops50h 50mAir Canada

Tue 12/809:20SYD - STL

2 stops45h 01mAir Canada

Deal found 14/4$1,973

Tue 6/518:58ORD - SYD

2 stops33h 47mAlaska Airlines

Tue 13/521:40SYD - ORD

2 stops35h 40mAlaska Airlines

Deal found 15/4$2,041

Tue 13/519:13ORD - BNE

2 stops24h 22mFiji Airways

Tue 20/511:40BNE - ORD

2 stops23h 44mFiji Airways

Deal found 15/4$2,081

Sat 20/913:20ORD - BNE

2 stops50h 45mAir Canada

Sun 28/910:00BNE - ORD

2 stops25h 11mAir Canada

Deal found 14/4$2,082

Sun 21/910:40ORD - SYD

2 stops29h 40mAir Canada

Tue 30/909:20SYD - ORD

2 stops25h 51mAir Canada

Deal found 14/4$2,087

Sun 4/500:30ORD - PER

2 stops35h 50mMultiple Airlines

Tue 20/505:10PER - ORD

3 stops43h 26mMultiple Airlines

Deal found 15/4$2,123

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 15 April 2025.

Mon 5/509:09ORD - MEL

3 stops35h 46mMultiple Airlines

Fri 16/513:35MEL - ORD

2 stops32h 07mMultiple Airlines

Deal found 15/4$1,666

Tue 22/717:45ORD - SYD

1 stop34h 30mANA

Tue 9/911:50SYD - ORD

1 stop35h 50mANA

Deal found 14/4$1,875

Tue 13/518:45ORD - SYD

2 stops26h 00mFiji Airways

Tue 27/506:15SYD - ORD

2 stops29h 09mFiji Airways

Deal found 14/4$1,878

Wed 28/513:30STL - SYD

2 stops50h 50mAir Canada

Tue 12/809:20SYD - STL

2 stops45h 01mAir Canada

Deal found 14/4$1,973

Tue 6/518:58ORD - SYD

2 stops33h 47mAlaska Airlines

Tue 13/521:40SYD - ORD

2 stops35h 40mAlaska Airlines

Deal found 15/4$2,041

Mon 23/609:59ORD - MEL

1 stop29h 46mQantas Airways

Wed 16/711:55MEL - ORD

1 stop20h 47mQantas Airways

Deal found 14/4$2,125

Wed 20/816:30ORD - SYD

2 stops25h 15mAir New Zealand

Mon 1/911:50SYD - ORD

2 stops26h 25mAir New Zealand

Deal found 15/4$2,133

Wed 7/516:00ORD - SYD

1 stop27h 50mCathay Pacific

Sun 18/521:50SYD - ORD

1 stop31h 35mCathay Pacific

Deal found 13/4$2,168

Sun 8/611:44ORD - SYD

1 stop28h 46mBritish Airways

Sun 22/617:45SYD - ORD

1 stop27h 53mBritish Airways

Deal found 14/4$2,215

Wed 1/1019:50ORD - SYD

2 stops32h 10mTurkish Airlines

Thu 9/1021:55SYD - ORD

2 stops36h 00mTurkish Airlines

Deal found 14/4$2,233

Mon 23/617:51ORD - MEL

1 stop21h 54mAmerican Airlines

Wed 16/711:55MEL - ORD

2 stops24h 03mAmerican Airlines

Deal found 14/4$2,234

Wed 4/614:33ORD - MEL

1 stop26h 42mUnited Airlines

Mon 16/610:55MEL - ORD

1 stop24h 06mUnited Airlines

Deal found 14/4$2,277

Last-minute flights from Illinois
Discover last-minute flight deals departing from Illinois. Data was last updated 15 April 2025 and is based on user searches.

Sun 20/412:48MDW - SYD

2 stops26h 47mDelta

Sat 26/409:25SYD - MDW

2 stops23h 34mDelta

Deal found 15/4$3,437

Sun 20/416:31MDW - SYD

1 stop23h 24mMultiple Airlines

Sat 26/410:25SYD - MDW

1 stop25h 14mMultiple Airlines

Deal found 15/4$5,889

Mon 21/416:00ORD - SYD

1 stop27h 50mCathay Pacific

Mon 5/507:40SYD - ORD

1 stop45h 45mCathay Pacific

Deal found 14/4$2,334

Mon 21/416:00ORD - SYD

1 stop27h 50mMultiple Airlines

Mon 5/516:20SYD - ORD

2 stops40h 41mMultiple Airlines

Deal found 14/4$2,443

Mon 21/413:15ORD - SYD

2 stops26h 20mDelta

Mon 5/509:25SYD - ORD

2 stops22h 39mDelta

Deal found 14/4$2,799

Tue 22/418:45ORD - SYD

2 stops26h 00mFiji Airways

Tue 6/513:15SYD - ORD

2 stops22h 09mFiji Airways

Deal found 14/4$2,199

Tue 22/418:58ORD - SYD

2 stops33h 47mAlaska Airlines

Tue 6/521:40SYD - ORD

1 stop35h 40mAlaska Airlines

Deal found 14/4$2,620

Tue 22/416:09ORD - SYD

2 stops25h 36mAir New Zealand

Wed 7/510:20SYD - ORD

1 stop25h 56mAir New Zealand

Deal found 14/4$3,075

Tue 22/416:30ORD - SYD

2 stops33h 40mIberia

Wed 7/520:45SYD - ORD

2 stops58h 15mIberia

Deal found 14/4$3,938

Tue 22/408:52ORD - SYD

2 stops31h 28mAir Canada

Tue 6/509:20SYD - ORD

3 stops37h 42mAir Canada

Deal found 14/4$3,995

Wed 23/419:50ORD - SYD

2 stops32h 10mTurkish Airlines

Tue 6/520:55SYD - ORD

2 stops51h 45mTurkish Airlines

Deal found 14/4$2,316

Wed 23/419:20ORD - SYD

1 stop20h 45mQantas Airways

Wed 7/517:45SYD - ORD

1 stop21h 14mQantas Airways

Deal found 14/4$2,590

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 15 April 2025.

Wed 27/820:59ORD - SYD

2 stops50h 41mMultiple Airlines

Deal found 14/4$774

Mon 2/615:01ORD - MEL

3 stops53h 29mMultiple Airlines

Deal found 15/4$796

Tue 29/709:55ORD - ADL

2 stops35h 10mMultiple Airlines

Deal found 14/4$808

Thu 15/507:00ORD - BNE

3 stops46h 30mMultiple Airlines

Deal found 13/4$974

Wed 4/619:51ORD - AVV

3 stops57h 24mMultiple Airlines

Deal found 13/4$994

Mon 4/812:30ORD - PER

3 stops42h 50mMultiple Airlines

Deal found 14/4$1,036

Thu 15/514:45MDW - SYD

3 stops35h 50mMultiple Airlines

Deal found 13/4$1,039

Tue 3/618:18STL - SYD

2 stops53h 22mMultiple Airlines

Deal found 14/4$1,043

Thu 15/514:45MDW - MEL

2 stops37h 35mMultiple Airlines

Deal found 15/4$1,058

Mon 1/917:45ORD - SYD

1 stop34h 30mANA

Deal found 14/4$1,093

Tue 7/1018:05STL - SYD

2 stops26h 40mFiji Airways

Deal found 15/4$1,105

Sat 21/619:15ORD - SYD

2 stops25h 30mFiji Airways

Deal found 14/4$1,131

International flights from Illinois
Find cheap international flights from Illinois based on historic user searches and pricing. Information updated on 15 April 2025.

Sat 3/520:40AKL - DPS

1 stop17h 55mMultiple Airlines

Fri 23/519:40DPS - AKL

2 stops29h 50mMultiple Airlines

Deal found 14/4$834

Mon 16/606:40AKL - DPS

1 stop18h 10mJetstar

Sun 22/622:35DPS - AKL

1 stop11h 35mJetstar

Deal found 15/4$839

Thu 29/513:25AKL - MNL

1 stop14h 50mMultiple Airlines

Thu 5/620:20MNL - AKL

2 stops19h 15mMultiple Airlines

Deal found 13/4$891

Thu 29/506:40AKL - SIN

2 stops23h 30mMultiple Airlines

Thu 5/607:15SIN - AKL

2 stops18h 15mMultiple Airlines

Deal found 14/4$928

Tue 20/513:25AKL - MNL

1 stop24h 10mCathay Pacific

Sat 24/520:20MNL - AKL

1 stop35h 20mCathay Pacific

Deal found 14/4$955

Wed 18/620:45AKL - SIN

1 stop35h 00mHainan Airlines

Thu 26/612:05SIN - AKL

1 stop26h 05mHainan Airlines

Deal found 15/4$967

Thu 15/515:55AKL - MNL

1 stop13h 10mQantas Airways

Wed 21/502:45MNL - AKL

1 stop17h 10mQantas Airways

Deal found 15/4$974

Sun 18/519:30AKL - MNL

1 stop32h 50mAir China

Fri 30/506:25MNL - AKL

1 stop31h 05mAir China

Deal found 14/4$1,023

Fri 10/1020:30AKL - DPS

2 stops23h 10mChina Airlines

Thu 23/1015:40DPS - AKL

2 stops22h 20mChina Airlines

Deal found 15/4$1,064

Tue 15/719:30AKL - SIN

2 stops33h 05mChina Airlines

Sat 18/1013:45SIN - AKL

2 stops24h 15mChina Airlines

Deal found 15/4$1,189

Fri 25/413:55AKL - SIN

1 stop32h 05mFiji Airways

Thu 1/513:55SIN - AKL

1 stop18h 45mFiji Airways

Deal found 14/4$1,237

Fri 30/506:10AKL - DEL

2 stops28h 35mMultiple Airlines

Fri 6/618:45DEL - AKL

2 stops21h 45mMultiple Airlines

Deal found 15/4$1,284

Find flights from Illinois within your budget

Fly to

Route

Depart

Return

Price

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Mon 5/5

09:09-11:55

3 stops35h 46m

Melbourne

Fri 16/5

13:35-06:42

2 stops32h 07m

$1,666

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 21/5

18:59-19:20

2 stops33h 21m

Sydney Kingsford Smith

Wed 28/5

13:15-06:42

2 stops32h 27m

$1,708

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 13/5

18:59-17:45

3 stops31h 46m

Brisbane

Tue 20/5

06:00-11:36

3 stops44h 36m

$1,743

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 22/7

17:45-19:15

1 stop34h 30m

Sydney Kingsford Smith

Tue 9/9

11:50-08:40

1 stop35h 50m

$1,875

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 13/5

18:45-11:45

2 stops26h 00m

Sydney Kingsford Smith

Tue 27/5

06:15-20:24

2 stops29h 09m

$1,878

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 15/5

18:59-11:35

2 stops26h 06m

Adelaide

Thu 22/5

12:35-05:25

3 stops31h 20m

$1,924

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Wed 28/5

13:30-07:20

2 stops50h 50m

Sydney Kingsford Smith

Tue 12/8

09:20-15:21

2 stops45h 01m

$1,973

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 6/5

18:58-19:45

2 stops33h 47m

Sydney Kingsford Smith

Tue 13/5

21:40-18:20

2 stops35h 40m

$2,041

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 13/5

19:13-10:35

2 stops24h 22m

Brisbane

Tue 20/5

11:40-20:24

2 stops23h 44m

$2,081

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sat 20/9

13:20-07:05

2 stops50h 45m

Brisbane

Sun 28/9

10:00-14:55

1 stop19h 55m

$2,082

Flights are sorted by cheapest return flights first.

Deals found on 14/4

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 $1,126). Flying from Illinois in December will prove the most costly (average of $1,365). 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 New York, with prices starting at $61. Explore other affordable destinations below.

New York

New York

From $38

Orlando

Orlando

From $45

Atlanta Hartsfield-Jackson

Atlanta Hartsfield-Jackson

From $66

Seattle/Tacoma Intl

Seattle/Tacoma Intl

From $84

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.

8.0

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

Which is the cheapest airport to catch a flight from Illinois?
The cheapest routes to Sydney can be found at Chicago O'Hare Intl airport from $1,745. While Chicago Midway airport is usually cheaper if your destination is Sydney with prices starting at $2,212. 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 $1,745 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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