$182+ Flights from Illinois | Cheapflights

What to know about flights from Illinois

Good round-trip deal	$138 or less
Good one-way deal	$110 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 10 July 2025.

Tue 19/811:45ORD - SYD

1 stop28h 20mAmerican Airlines

Tue 26/809:10SYD - ORD

1 stop24h 26mAmerican Airlines

Deal found 7/7$1,347

Wed 20/807:05ORD - SYD

2 stops37h 40mMultiple Airlines

Wed 27/813:15SYD - ORD

2 stops31h 25mMultiple Airlines

Deal found 8/7$1,373

Wed 20/807:05ORD - BNE

2 stops36h 55mMultiple Airlines

Wed 27/813:50BNE - ORD

2 stops30h 50mMultiple Airlines

Deal found 8/7$1,586

Thu 21/816:00ORD - PER

2 stops38h 30mMultiple Airlines

Thu 28/807:50PER - ORD

2 stops43h 35mMultiple Airlines

Deal found 8/7$1,623

Wed 20/807:05ORD - MEL

2 stops36h 45mMultiple Airlines

Wed 27/812:05MEL - ORD

2 stops32h 35mMultiple Airlines

Deal found 9/7$1,632

Thu 21/812:20STL - SYD

1 stop27h 35mQantas Airways

Sat 6/909:10SYD - STL

1 stop28h 49mQantas Airways

Deal found 8/7$1,710

Thu 21/813:30STL - SYD

2 stops26h 50mAir Canada

Sat 6/909:20SYD - STL

2 stops25h 37mAir Canada

Deal found 8/7$1,739

Sun 31/820:20ORD - SYD

2 stops31h 55mANA

Sun 14/911:50SYD - ORD

1 stop35h 50mANA

Deal found 9/7$1,745

Sat 23/807:05ORD - ADL

2 stops38h 00mMultiple Airlines

Sat 30/812:35ADL - ORD

2 stops31h 35mMultiple Airlines

Deal found 9/7$1,748

Sun 14/913:30STL - SYD

2 stops26h 50mMultiple Airlines

Sat 27/909:20SYD - STL

2 stops22h 12mMultiple Airlines

Deal found 9/7$1,753

Thu 21/818:14STL - SYD

2 stops21h 51mAmerican Airlines

Wed 3/912:10SYD - STL

2 stops24h 00mAmerican Airlines

Deal found 9/7$1,789

Wed 20/816:21ORD - ADL

2 stops26h 34mAmerican Airlines

Wed 27/808:00ADL - ORD

2 stops27h 27mAmerican Airlines

Deal found 7/7$1,854

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 10 July 2025.

Tue 19/811:45ORD - SYD

1 stop28h 20mAmerican Airlines

Tue 26/809:10SYD - ORD

1 stop24h 26mAmerican Airlines

Deal found 7/7$1,347

Wed 20/807:05ORD - SYD

2 stops37h 40mMultiple Airlines

Wed 27/813:15SYD - ORD

2 stops31h 25mMultiple Airlines

Deal found 8/7$1,373

Thu 21/812:20STL - SYD

1 stop27h 35mQantas Airways

Sat 6/909:10SYD - STL

1 stop28h 49mQantas Airways

Deal found 8/7$1,710

Thu 21/813:30STL - SYD

2 stops26h 50mAir Canada

Sat 6/909:20SYD - STL

2 stops25h 37mAir Canada

Deal found 8/7$1,739

Sun 31/820:20ORD - SYD

2 stops31h 55mANA

Sun 14/911:50SYD - ORD

1 stop35h 50mANA

Deal found 9/7$1,745

Tue 19/816:30ORD - MEL

2 stops27h 20mAir New Zealand

Wed 27/808:35MEL - ORD

2 stops35h 26mAir New Zealand

Deal found 8/7$1,944

Sat 1/1119:01ORD - BNE

2 stops24h 09mFiji Airways

Mon 10/1111:25BNE - ORD

2 stops27h 35mFiji Airways

Deal found 7/7$1,973

Wed 22/1023:45ORD - MEL

2 stops52h 40mTurkish Airlines

Wed 12/1122:55MEL - ORD

2 stops36h 30mTurkish Airlines

Deal found 8/7$2,018

Thu 21/815:20STL - SYD

2 stops24h 40mUnited Airlines

Thu 28/810:20SYD - STL

1 stop21h 33mUnited Airlines

Deal found 8/7$2,031

Sun 12/1019:20ORD - PER

1 stop34h 20mQatar Airways

Sun 26/1022:45PER - ORD

1 stop29h 45mQatar Airways

Deal found 8/7$2,106

Wed 31/1206:00STL - MEL

2 stops33h 00mDelta

Sun 11/110:10MEL - STL

2 stops31h 27mDelta

Deal found 8/7$2,224

Sat 18/1007:00ORD - PER

2 stops35h 25mPhilippine Airlines

Sat 1/1108:30PER - ORD

2 stops34h 31mPhilippine Airlines

Deal found 8/7$2,275

Last-minute flights from Illinois
Discover last-minute flight deals departing from Illinois. Data was last updated 10 July 2025 and is based on user searches.

Tue 15/716:00ORD - MEL

2 stops46h 30mMultiple Airlines

Wed 22/1011:55MEL - ORD

1 stop27h 36mMultiple Airlines

Deal found 9/7$2,607

Tue 15/709:05ORD - MEL

2 stops32h 10mUnited Airlines

Wed 22/1010:30MEL - ORD

2 stops22h 37mUnited Airlines

Deal found 9/7$3,227

Tue 15/718:45ORD - MEL

2 stops25h 45mFiji Airways

Tue 21/1014:25MEL - ORD

2 stops26h 04mFiji Airways

Deal found 9/7$3,475

Fri 18/719:03ORD - SYD

3 stops47h 47mMultiple Airlines

Wed 23/713:15SYD - ORD

3 stops31h 48mMultiple Airlines

Deal found 9/7$2,507

Fri 18/721:42ORD - SYD

1 stop42h 18mUnited Airlines

Sat 6/1211:50SYD - ORD

1 stop22h 18mUnited Airlines

Deal found 9/7$3,410

Sat 19/700:30ORD - BNE

1 stop28h 30mEVA Air

Thu 24/722:15BNE - ORD

1 stop37h 55mEVA Air

Deal found 9/7$3,282

Sat 19/708:25STL - MEL

2 stops32h 50mUnited Airlines

Mon 8/910:55MEL - STL

2 stops38h 06mUnited Airlines

Deal found 8/7$3,305

Sat 19/719:38STL - MEL

2 stops25h 37mFiji Airways

Mon 8/913:30MEL - STL

2 stops24h 29mFiji Airways

Deal found 10/7$3,432

Sun 20/706:40ORD - BNE

2 stops33h 05mMultiple Airlines

Thu 24/711:40BNE - ORD

2 stops32h 45mMultiple Airlines

Deal found 10/7$2,579

Sun 20/715:40ORD - BNE

1 stop24h 25mAir Canada

Thu 24/710:20BNE - ORD

1 stop19h 34mAir Canada

Deal found 9/7$2,875

Sun 20/717:45ORD - SYD

1 stop24h 40mANA

Fri 25/720:55SYD - ORD

1 stop26h 45mANA

Deal found 8/7$3,308

Sun 20/720:42ORD - SYD

2 stops32h 03mAlaska Airlines

Fri 25/721:40SYD - ORD

2 stops34h 19mAlaska Airlines

Deal found 9/7$3,426

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 10 July 2025.

Tue 9/910:00ORD - SYD

2 stops37h 40mMultiple Airlines

Deal found 8/7$693

Wed 20/816:00ORD - MEL

2 stops37h 15mMultiple Airlines

Deal found 8/7$859

Thu 21/816:00ORD - ADL

2 stops47h 45mMultiple Airlines

Deal found 7/7$891

Sat 13/915:59STL - MEL

2 stops36h 21mMultiple Airlines

Deal found 8/7$918

Fri 22/813:30STL - SYD

2 stops50h 50mAir Canada

Deal found 8/7$934

Fri 31/1006:00ORD - BNE

2 stops32h 00mMultiple Airlines

Deal found 8/7$935

Mon 1/910:08STL - SYD

1 stop29h 47mAmerican Airlines

Deal found 7/7$948

Sat 15/1116:25ORD - PER

2 stops45h 35mMultiple Airlines

Deal found 8/7$958

Fri 8/819:18ORD - AVV

3 stops57h 57mMultiple Airlines

Deal found 9/7$970

Sat 23/817:49STL - SYD

1 stop22h 06mUnited Airlines

Deal found 9/7$970

Tue 18/1117:00ORD - BNE

2 stops25h 10mFiji Airways

Deal found 8/7$1,000

Mon 11/819:03ORD - SYD

2 stops25h 42mFiji Airways

Deal found 9/7$1,042

International flights from Illinois
Find cheap international flights from Illinois based on historic user searches and pricing. Information updated on 10 July 2025.

Thu 21/806:40AKL - DPS

1 stop18h 10mJetstar

Wed 27/823:45DPS - AKL

1 stop10h 50mJetstar

Deal found 9/7$712

Wed 20/806:15AKL - MNL

2 stops27h 25mMultiple Airlines

Sat 30/819:35MNL - AKL

2 stops29h 55mMultiple Airlines

Deal found 10/7$955

Tue 26/820:40AKL - SIN

1 stop26h 15mMultiple Airlines

Sat 30/802:00SIN - AKL

1 stop12h 30mMultiple Airlines

Deal found 8/7$1,015

Tue 5/806:45AKL - MNL

1 stop16h 05mQantas Airways

Mon 11/802:45MNL - AKL

1 stop17h 10mQantas Airways

Deal found 8/7$1,041

Tue 26/807:30AKL - DPS

1 stop17h 20mQantas Airways

Fri 5/923:05DPS - AKL

1 stop16h 30mQantas Airways

Deal found 8/7$1,078

Sun 19/1020:30AKL - DPS

2 stops23h 10mChina Airlines

Wed 29/1015:45DPS - AKL

2 stops22h 25mChina Airlines

Deal found 10/7$1,101

Thu 21/811:10AKL - DPS

Nonstop9h 10mMultiple Airlines

Wed 27/823:45DPS - AKL

1 stop10h 50mMultiple Airlines

Deal found 9/7$1,147

Fri 22/815:30AKL - DEL

1 stop19h 20mMultiple Airlines

Thu 28/801:45DEL - AKL

1 stop21h 15mMultiple Airlines

Deal found 8/7$1,312

Sat 13/910:15AKL - MNL

1 stop18h 00mCathay Pacific

Sat 20/920:20MNL - AKL

1 stop35h 20mCathay Pacific

Deal found 9/7$1,342

Wed 19/1119:15AKL - SIN

2 stops22h 50mChina Airlines

Thu 4/1214:15SIN - AKL

2 stops23h 55mChina Airlines

Deal found 7/7$1,362

Sun 26/1017:00AKL - DEL

1 stop20h 10mSingapore Airlines

Mon 24/1121:50DEL - AKL

2 stops19h 05mSingapore Airlines

Deal found 8/7$1,387

Wed 15/1014:00AKL - DEL

1 stop39h 20mMalaysia Airlines

Wed 19/1123:10DEL - AKL

1 stop17h 15mMalaysia Airlines

Deal found 8/7$1,421

Find flights from Illinois within your budget

Fly to

Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 19/8

11:45-07:05

1 stop28h 20m

Sydney Kingsford Smith

Tue 26/8

09:10-18:36

1 stop24h 26m

$1,347

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 20/8

07:05-11:45

2 stops37h 40m

Sydney Kingsford Smith

Wed 27/8

13:15-05:40

2 stops31h 25m

$1,373

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Wed 20/8

07:05-11:00

2 stops36h 55m

Brisbane

Wed 27/8

13:50-05:40

2 stops30h 50m

$1,586

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

Thu 21/8

16:00-19:30

2 stops38h 30m

Perth

Thu 28/8

07:50-14:25

2 stops43h 35m

$1,623

ChicagoMelbourne

ORD - MEL

ORDMEL

Chicago O'Hare Intl

Wed 20/8

07:05-10:50

2 stops36h 45m

Melbourne

Wed 27/8

12:05-05:40

2 stops32h 35m

$1,632

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Thu 21/8

12:20-06:55

1 stop27h 35m

Sydney Kingsford Smith

Sat 6/9

09:10-22:59

1 stop28h 49m

$1,710

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 3/11

16:25-10:30

1 stop25h 05m

Sydney Kingsford Smith

Mon 17/11

21:45-07:20

1 stop26h 35m

$1,739

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Thu 21/8

13:30-07:20

2 stops26h 50m

Sydney Kingsford Smith

Sat 6/9

09:20-19:57

2 stops25h 37m

$1,739

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 23/8

07:05-11:35

2 stops38h 00m

Adelaide

Sat 30/8

12:35-05:40

2 stops31h 35m

$1,748

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sun 14/9

13:30-07:20

2 stops26h 50m

Sydney Kingsford Smith

Sat 27/9

09:20-16:32

2 stops22h 12m

$1,753

Flights are sorted by cheapest return flights first.

Deals found on 8/7

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, August is the cheapest month in which you can book a flight from Illinois (average of $303). Flying from Illinois in December will prove the most costly (average of $1,320). 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. As they depart for the following popular destinations: Sydney.

Qantas Airways

Spirit Airlines

Spirit Airlines

Air Canada

American Airlines

American Airlines

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is Orlando, with prices starting at $68. Explore other affordable destinations below.

Orlando

Dallas/Fort Worth

Dallas/Fort Worth

Los Angeles

Miami

Airline reviews for flights from Illinois

See what other customers who have flown with ANA, Alaska Airlines, andFiji Airways from Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

8.4

Very Good

Reviews

1 / 20

10.0

Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

8.4

Very Good

8.4

Very Good

Reviews

1 / 20

10.0

Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Alaska Airlines

8.0

Very Good

8.4

Very Good

Reviews

1 / 20

10.0

Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

8.0

Very Good

8.4

Very Good

Reviews

1 / 20

10.0

Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

8.0

Very Good

8.4

Very Good

Reviews

1 / 20

10.0

Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Air New Zealand

8.0

Very Good

8.4

Very Good

Reviews

1 / 20

10.0

Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

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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 $1,315. While Chicago Midway airport is usually cheaper if your destination is Sydney with prices starting at $1,744. 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 August. 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 $1,315 round trip
Fly from Chicago to Melbourne from $1,477 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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