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 $1,258. While Chicago Midway airport is usually cheaper if your destination is Sydney with prices starting at $1,601. 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 January . 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 $1,258 round trip Fly from Chicago to Melbourne from $1,577 round trip

$169+ Flights 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 17 January 2025.

Sat 15/308:13ORD - BNE

1 stop29h 47mQantas Airways

Wed 26/308:05BNE - ORD

1 stop20h 01mQantas Airways

Deal found 16/1$1,291

Fri 21/215:17ORD - BNE

1 stop21h 43mAmerican Airlines

Fri 28/222:00BNE - ORD

1 stop22h 56mAmerican Airlines

Deal found 16/1$1,304

Sun 2/313:16ORD - BNE

2 stops23h 44mBritish Airways

Sun 9/322:00BNE - ORD

1 stop22h 04mBritish Airways

Deal found 16/1$1,310

Wed 29/109:45ORD - BNE

1 stop27h 15mMultiple Airlines

Wed 5/222:00BNE - ORD

1 stop24h 05mMultiple Airlines

Deal found 15/1$1,347

Thu 30/114:14ORD - SYD

1 stop24h 11mQantas Airways

Wed 5/211:15SYD - ORD

1 stop21h 44mQantas Airways

Deal found 15/1$1,365

Fri 23/510:35ORD - SYD

1 stop29h 20mAmerican Airlines

Tue 3/610:25SYD - ORD

2 stops20h 50mAmerican Airlines

Deal found 16/1$1,369

Sun 2/314:13ORD - SYD

1 stop24h 12mBritish Airways

Sun 9/317:25SYD - ORD

1 stop22h 34mBritish Airways

Deal found 15/1$1,374

Thu 13/211:35ORD - SYD

2 stops32h 25mMultiple Airlines

Thu 27/214:00SYD - ORD

2 stops32h 28mMultiple Airlines

Deal found 15/1$1,439

Wed 21/519:46ORD - SYD

2 stops32h 29mANA

Mon 2/611:50SYD - ORD

2 stops32h 01mANA

Deal found 16/1$1,556

Mon 10/216:55ORD - CNS

2 stops36h 25mMultiple Airlines

Sat 22/216:05CNS - ORD

2 stops36h 54mMultiple Airlines

Deal found 16/1$1,598

Sun 2/314:13ORD - CNS

2 stops34h 57mJetstar

Sun 9/312:00CNS - ORD

2 stops33h 25mJetstar

Deal found 16/1$1,600

Fri 31/115:22ORD - ADL

2 stops27h 28mQantas Airways

Mon 10/206:00ADL - ORD

2 stops26h 29mQantas Airways

Deal found 15/1$1,604

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 17 January 2025.

Sat 15/308:13ORD - BNE

1 stop29h 47mQantas Airways

Wed 26/308:05BNE - ORD

1 stop20h 01mQantas Airways

Deal found 16/1$1,291

Fri 21/215:17ORD - BNE

1 stop21h 43mAmerican Airlines

Fri 28/222:00BNE - ORD

1 stop22h 56mAmerican Airlines

Deal found 16/1$1,304

Sun 2/313:16ORD - BNE

2 stops23h 44mBritish Airways

Sun 9/322:00BNE - ORD

1 stop22h 04mBritish Airways

Deal found 16/1$1,310

Wed 29/109:45ORD - BNE

1 stop27h 15mMultiple Airlines

Wed 5/222:00BNE - ORD

1 stop24h 05mMultiple Airlines

Deal found 15/1$1,347

Wed 21/519:46ORD - SYD

2 stops32h 29mANA

Mon 2/611:50SYD - ORD

2 stops32h 01mANA

Deal found 16/1$1,556

Sun 2/314:13ORD - CNS

2 stops34h 57mJetstar

Sun 9/312:00CNS - ORD

2 stops33h 25mJetstar

Deal found 16/1$1,600

Sat 17/518:45ORD - SYD

2 stops26h 00mFiji Airways

Tue 3/613:15SYD - ORD

2 stops22h 30mFiji Airways

Deal found 15/1$1,857

Sun 9/313:20ORD - MEL

2 stops26h 15mIberia

Sun 23/312:00MEL - ORD

2 stops25h 06mIberia

Deal found 16/1$1,875

Mon 19/513:30STL - SYD

2 stops26h 50mAir Canada

Fri 23/509:20SYD - STL

2 stops44h 56mAir Canada

Deal found 16/1$2,049

Mon 17/214:40ORD - PER

1 stop28h 55mCathay Pacific

Mon 24/211:05PER - ORD

1 stop39h 55mCathay Pacific

Deal found 16/1$2,298

Tue 25/314:55MDW - SYD

2 stops23h 10mDelta

Tue 1/410:25SYD - MDW

2 stops28h 02mDelta

Deal found 15/1$2,361

Sun 13/413:12STL - SYD

2 stops26h 48mUnited Airlines

Fri 25/410:20SYD - STL

1 stop21h 32mUnited Airlines

Deal found 15/1$2,428

Last-minute flights from Illinois
Discover last-minute flight deals departing from Illinois. Data was last updated 17 January 2025 and is based on user searches.

Wed 22/116:02ORD - SYD

1 stop21h 18mUnited Airlines

Sat 22/212:10SYD - ORD

1 stop19h 45mUnited Airlines

Deal found 16/1$2,903

Wed 22/111:05ORD - SYD

2 stops28h 30mDelta

Thu 20/214:15SYD - ORD

2 stops23h 38mDelta

Deal found 16/1$2,926

Thu 23/108:40ORD - BNE

1 stop28h 20mQantas Airways

Tue 25/308:05BNE - ORD

1 stop22h 08mQantas Airways

Deal found 16/1$1,294

Thu 23/114:14ORD - BNE

1 stop22h 46mAmerican Airlines

Tue 25/322:00BNE - ORD

2 stops22h 20mAmerican Airlines

Deal found 16/1$1,323

Thu 23/118:11ORD - SYD

1 stop21h 54mAir New Zealand

Mon 17/211:45SYD - ORD

2 stops28h 13mAir New Zealand

Deal found 16/1$3,075

Fri 24/108:30ORD - SYD

1 stop28h 40mAmerican Airlines

Sat 1/211:50SYD - ORD

2 stops21h 38mAmerican Airlines

Deal found 16/1$1,398

Sat 25/115:20ORD - SYD

1 stop23h 05mQantas Airways

Thu 8/509:10SYD - ORD

1 stop29h 18mQantas Airways

Deal found 16/1$1,365

Sat 25/109:51ORD - CNS

2 stops34h 09mQantas Airways

Thu 8/513:40CNS - ORD

2 stops42h 35mQantas Airways

Deal found 16/1$1,804

Sat 25/112:56ORD - BNE

1 stop24h 04mMultiple Airlines

Thu 8/522:15BNE - ORD

1 stop37h 45mMultiple Airlines

Deal found 16/1$1,954

Sat 25/111:19MDW - SYD

2 stops26h 31mDelta

Thu 8/509:25SYD - MDW

2 stops23h 35mDelta

Deal found 16/1$3,006

Mon 27/115:40ORD - BNE

2 stops33h 15mAir Canada

Fri 7/206:05BNE - ORD

3 stops29h 32mAir Canada

Deal found 15/1$2,435

Mon 27/114:40ORD - BNE

1 stop40h 00mCathay Pacific

Thu 6/200:10BNE - ORD

1 stop28h 50mCathay Pacific

Deal found 15/1$2,956

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 17 January 2025.

Wed 4/611:50ORD - SYD

1 stop27h 45mAmerican Airlines

Deal found 16/1$668

Sun 9/319:17ORD - SYD

1 stop21h 43mQantas Airways

Deal found 16/1$669

Thu 30/115:20ORD - BNE

1 stop21h 40mQantas Airways

Deal found 15/1$689

Sat 15/214:00ORD - BNE

2 stops23h 00mAmerican Airlines

Deal found 16/1$711

Sat 15/207:25ORD - BNE

3 stops34h 55mMultiple Airlines

Deal found 16/1$764

Sat 12/416:20ORD - CNS

3 stops52h 05mMultiple Airlines

Deal found 15/1$776

Sat 15/309:16ORD - MEL

2 stops34h 59mMultiple Airlines

Deal found 16/1$779

Sun 13/417:30ORD - CNS

2 stops26h 45mQantas Airways

Deal found 15/1$782

Mon 31/315:16ORD - CNS

2 stops29h 49mAmerican Airlines

Deal found 16/1$797

Fri 14/214:13ORD - ADL

2 stops28h 47mAmerican Airlines

Deal found 15/1$800

Tue 25/218:26STL - SYD

3 stops49h 04mMultiple Airlines

Deal found 16/1$803

Wed 12/317:10ORD - MEL

2 stops25h 25mQantas Airways

Deal found 16/1$827

International flights from Illinois
Find cheap international flights from Illinois based on historic user searches and pricing. Information updated on 17 January 2025.

Sun 9/219:20AKL - DPS

Nonstop8h 35mMultiple Airlines

Sun 16/211:30DPS - AKL

1 stop13h 00mMultiple Airlines

Deal found 16/1$895

Thu 6/206:00AKL - DPS

1 stop19h 00mQantas Airways

Mon 10/221:20DPS - AKL

1 stop22h 05mQantas Airways

Deal found 16/1$962

Fri 2/510:15AKL - MNL

1 stop18h 00mMultiple Airlines

Sat 31/520:15MNL - AKL

2 stops17h 40mMultiple Airlines

Deal found 16/1$1,006

Sun 2/307:35AKL - SGN

2 stops30h 25mMultiple Airlines

Sun 9/319:30SGN - AKL

1 stop15h 15mMultiple Airlines

Deal found 15/1$1,022

Sun 2/322:45AKL - SGN

1 stop32h 15mChina Eastern

Sun 9/316:55SGN - AKL

3 stops41h 40mChina Eastern

Deal found 15/1$1,030

Wed 12/207:30AKL - MNL

1 stop15h 00mQantas Airways

Mon 24/202:45MNL - AKL

1 stop17h 00mQantas Airways

Deal found 17/1$1,052

Tue 6/519:30AKL - MNL

2 stops24h 20mChina Airlines

Fri 6/610:35MNL - AKL

2 stops27h 25mChina Airlines

Deal found 15/1$1,070

Thu 6/320:50AKL - SGN

2 stops26h 00mChina Airlines

Sat 22/311:00SGN - AKL

2 stops26h 10mChina Airlines

Deal found 16/1$1,093

Tue 29/419:30AKL - DPS

2 stops23h 10mChina Airlines

Fri 9/515:40DPS - AKL

2 stops22h 20mChina Airlines

Deal found 16/1$1,286

Mon 12/500:25AKL - DPS

1 stop19h 05mMalaysia Airlines

Mon 19/519:20DPS - AKL

1 stop23h 30mMalaysia Airlines

Deal found 16/1$1,336

Fri 28/207:00AKL - DEL

2 stops24h 55mMultiple Airlines

Sat 15/322:45DEL - AKL

1 stop31h 10mMultiple Airlines

Deal found 15/1$1,394

Tue 27/513:45AKL - DEL

1 stop38h 00mCathay Pacific

Sat 31/522:40DEL - AKL

1 stop30h 45mCathay Pacific

Deal found 17/1$1,403

Find flights from Illinois within your budget

Fly to

Route

Depart

Return

Price

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sat 15/3

08:13-05:00

1 stop29h 47m

Brisbane

Wed 26/3

08:05-13:06

1 stop20h 01m

$1,291

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Fri 21/2

15:17-05:00

1 stop21h 43m

Brisbane

Fri 28/2

22:00-04:56

1 stop22h 56m

$1,304

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sun 2/3

13:16-05:00

2 stops23h 44m

Brisbane

Sun 9/3

22:00-05:04

1 stop22h 04m

$1,310

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Wed 29/1

09:45-05:00

1 stop27h 15m

Brisbane

Wed 5/2

22:00-06:05

1 stop24h 05m

$1,347

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 30/1

14:14-07:25

1 stop24h 11m

Sydney Kingsford Smith

Wed 5/2

11:15-15:59

1 stop21h 44m

$1,365

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Fri 23/5

13:45-06:55

1 stop26h 10m

Sydney Kingsford Smith

Mon 2/6

10:25-16:15

2 stops20h 50m

$1,369

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 2/3

14:13-07:25

1 stop24h 12m

Sydney Kingsford Smith

Sun 9/3

17:25-22:59

1 stop22h 34m

$1,374

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 13/2

11:35-13:00

2 stops32h 25m

Sydney Kingsford Smith

Thu 27/2

14:00-05:28

2 stops32h 28m

$1,439

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 21/5

19:46-19:15

2 stops32h 29m

Sydney Kingsford Smith

Mon 2/6

11:50-04:51

2 stops32h 01m

$1,556

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 10/2

16:55-21:20

2 stops36h 25m

Cairns

Sat 22/2

16:05-12:59

2 stops36h 54m

$1,598

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 60 results

...

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 $1,218). Flying from Illinois in January will prove the most costly (average of $1,387). 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.

Air Canada

From $952

United Airlines

From $964

Qantas Airways

From $911

Spirit Airlines

From $54

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is Dallas/Fort Worth, with prices starting at $95. Explore other affordable destinations below.

Dallas/Fort Worth

From $59

Charlotte Douglas

From $100

San Francisco

From $143

Seattle/Tacoma Intl

From $156

Airline reviews for flights from Illinois

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

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.

Air Tahiti Nui

8.8

Very Good

62 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Korean Air

8.5

Very Good

1,034 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

ANA

8.4

Very Good

847 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Singapore Airlines

8.1

Very Good

1,327 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Fiji Airways

8.1

Very Good

187 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Browse thousands of different options on Cheapflights for your next trip

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 $1,258. While Chicago Midway airport is usually cheaper if your destination is Sydney with prices starting at $1,601. 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 January. 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 $1,258 round trip
Fly from Chicago to Melbourne from $1,577 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!

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$169+ 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 8/2. 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.

Find flights from Illinois

Cheapest flights from IllinoisExplore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on 17 January 2025.

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 January 2025.

Find flights from Illinois within your budget

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.

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?

Which airlines fly from Illinois?

What is the cheapest place to fly to from Illinois?

Airline reviews for flights from Illinois

Browse thousands of different options on Cheapflights for your next trip

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Related info for your journey

Which is the cheapest airport to catch a flight from Illinois?

What is the cheapest month to fly from Illinois?

Where are the cheapest places to fly to from Illinois?

How does Cheapflights help users find flights from Illinois?

Why should you use Cheapflights to find cheap flight tickets from Illinois?

Can Cheapflights find flights from Illinois with no change fees?

Can Cheapflights notify me if prices for flights from Illinois become cheaper?

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?

Why should you use Cheapflights to find cheap flight tickets from Illinois?

Can Cheapflights find flights from Illinois with no change fees?

Can Cheapflights notify me if prices for flights from Illinois become cheaper?

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Travel Smart

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 January 2025.