Can I find cheaper flights to Illinois if I am willing to have stopovers?

Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Illinois on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Illinois?

Based on reviews from Cheapflights users, Qantas Airways is rated the highest out of the airlines that fly to Illinois.

What is the cheapest airport to fly to in Illinois?

Chicago O'Hare Intl is currently the cheapest airport to fly to in Illinois. One-way flights to Chicago O'Hare Intl typically cost $50, while return flights cost around $532.

How much is a return flight to Illinois?

A return flight to Illinois will typically cost around $1,549, however they can be found for as little as $345.

Where does the fastest flight to Illinois depart from?

For those looking to save time traveling to Illinois, Sydney Kingsford Smith offers the quickest one-way flight (19 hours 9 minutes).

Does Chicago O'Hare Intl have car hire?

Yes. Those touching down at Chicago O'Hare Intl can take advantage of the car hire services offered upon their arrival.

Are there hotels close to Chicago O'Hare Intl?

Yes. Chicago O'Hare Intl has hotels nearby for those requiring accommodations. Hilton Chicago O'Hare Airport is the closest property to Chicago O'Hare Intl (0.0 km away from Chicago O'Hare Intl).

$861+ Cheap Flights to Illinois

Find flight deals to Illinois

Enter your travel dates to find the best prices.

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

sam. 1/1114:30SYD - ORD

2 stops24h 30mMultiple Airlines

dim. 16/1106:30ORD - SYD

2 stops37h 00mMultiple Airlines

Deal found 15/10$1,407

ven. 7/1114:00SYD - ORD

2 stops26h 00mMultiple Airlines

ven. 14/1106:30ORD - SYD

2 stops37h 00mMultiple Airlines

Deal found 15/10$1,450

sam. 8/1111:45SYD - ORD

2 stops24h 05mAir New Zealand

sam. 15/1114:30ORD - SYD

2 stops27h 00mAir New Zealand

Deal found 15/10$1,480

dim. 2/1114:00SYD - ORD

2 stops25h 57mMultiple Airlines

lun. 17/1106:30ORD - SYD

2 stops37h 00mMultiple Airlines

Deal found 15/10$1,509

lun. 3/1111:20SYD - ORD

2 stops25h 40mAir Canada

lun. 17/1115:40ORD - SYD

1 stop24h 55mAir Canada

Deal found 17/10$1,523

mar. 4/1109:55SYD - ORD

2 stops25h 55mAir New Zealand

mer. 19/1112:45ORD - SYD

2 stops28h 45mAir New Zealand

Deal found 15/10$1,549

ven. 7/1113:55SYD - ORD

2 stops26h 04mAir New Zealand

ven. 14/1114:35ORD - SYD

2 stops25h 10mAir New Zealand

Deal found 17/10$1,550

mar. 4/1111:20SYD - ORD

1 stop20h 21mAir Canada

mer. 19/1107:05ORD - SYD

2 stops33h 30mAir Canada

Deal found 15/10$1,623

mer. 12/1111:20SYD - ORD

2 stops25h 40mAir Canada

mer. 19/1115:40ORD - SYD

1 stop24h 55mAir Canada

Deal found 15/10$1,627

mer. 12/1111:20SYD - ORD

2 stops39h 41mMultiple Airlines

mer. 19/1110:00ORD - SYD

2 stops30h 00mMultiple Airlines

Deal found 15/10$1,643

dim. 16/1114:00SYD - ORD

2 stops26h 00mMultiple Airlines

dim. 30/1108:10ORD - SYD

2 stops35h 20mMultiple Airlines

Deal found 16/10$1,651

ven. 17/1010:20SYD - STL

2 stops44h 58mAir Canada

ven. 28/1116:05STL - SYD

2 stops45h 50mAir Canada

Deal found 16/10$1,724

Best flights to Illinois
Discover carefully curated flight deals to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 octobre 2025.

mer. 12/1111:20SYD - ORD

1 stop20h 21mAir Canada

dim. 30/1114:00ORD - SYD

2 stops50h 35mAir Canada

Deal found 16/10$1,697

sam. 1/1111:20SYD - MDW

2 stops41h 10mMultiple Airlines

dim. 16/1106:30MDW - SYD

2 stops33h 30mMultiple Airlines

Deal found 15/10$1,729

jeu. 12/311:20SYD - STL

1 stop27h 49mAmerican Airlines

lun. 16/318:29STL - SYD

2 stops44h 56mAmerican Airlines

Deal found 14/10$1,823

jeu. 12/309:40SYD - STL

2 stops23h 10mDelta

lun. 16/318:59STL - SYD

2 stops43h 06mDelta

Deal found 15/10$1,849

sam. 29/1111:20SYD - STL

2 stops28h 02mUnited Airlines

sam. 6/1218:42STL - SYD

2 stops43h 18mUnited Airlines

Deal found 15/10$2,443

sam. 8/1117:45SYD - ORD

1 stop22h 15mMultiple Airlines

sam. 15/1121:22ORD - SYD

1 stop41h 03mMultiple Airlines

Deal found 15/10$1,746

jeu. 12/310:25SYD - STL

2 stops45h 04mAir Canada

lun. 16/316:05STL - SYD

2 stops48h 30mAir Canada

Deal found 16/10$1,774

lun. 1/1214:05SYD - ORD

1 stop26h 26mAmerican Airlines

mer. 4/209:02ORD - SYD

1 stop30h 58mAmerican Airlines

Deal found 16/10$1,838

mer. 1/410:20SYD - ORD

1 stop20h 23mAir Canada

mar. 14/407:15ORD - SYD

3 stops33h 05mAir Canada

Deal found 16/10$1,803

dim. 16/1111:20SYD - ORD

1 stop20h 21mMultiple Airlines

dim. 30/1116:25ORD - SYD

1 stop34h 50mMultiple Airlines

Deal found 16/10$1,803

ven. 26/1210:40SYD - MDW

2 stops22h 44mDelta

mar. 3/214:00MDW - SYD

2 stops25h 30mDelta

Deal found 15/10$2,145

sam. 29/1117:45SYD - STL

2 stops21h 49mAmerican Airlines

sam. 6/1213:20STL - SYD

2 stops26h 40mAmerican Airlines

Deal found 14/10$1,994

ven. 26/1210:40SYD - MDW

2 stops47h 39mDelta

dim. 1/213:05MDW - SYD

2 stops24h 45mDelta

Deal found 15/10$2,145

lun. 27/1010:25SYD - ORD

2 stops46h 45mAir Canada

dim. 9/1108:45ORD - SYD

2 stops31h 50mAir Canada

Deal found 16/10$1,957

jeu. 25/1211:20SYD - ORD

2 stops25h 17mAmerican Airlines

lun. 2/214:50ORD - SYD

2 stops25h 10mAmerican Airlines

Deal found 15/10$2,002

dim. 16/1111:20SYD - ORD

2 stops25h 40mAir Canada

dim. 30/1107:05ORD - SYD

3 stops33h 30mAir Canada

Deal found 16/10$1,999

mer. 24/1210:40SYD - MDW

2 stops28h 42mDelta

mar. 3/213:05MDW - SYD

2 stops24h 45mDelta

Deal found 15/10$2,219

ven. 26/1210:40SYD - MDW

2 stops22h 44mDelta

jeu. 5/213:00MDW - SYD

2 stops24h 50mDelta

Deal found 15/10$2,219

sam. 10/114:05SYD - STL

1 stop25h 54mAmerican Airlines

dim. 7/606:30STL - SYD

1 stop33h 35mAmerican Airlines

Deal found 15/10$2,393

mer. 24/1210:40SYD - MDW

2 stops28h 42mDelta

mer. 4/209:30MDW - SYD

2 stops30h 00mDelta

Deal found 15/10$2,219

ven. 26/1210:40SYD - MDW

2 stops22h 44mDelta

sam. 7/213:00MDW - SYD

2 stops24h 50mDelta

Deal found 15/10$2,219

mer. 12/1110:40SYD - MDW

2 stops24h 38mDelta

mer. 19/1113:47MDW - SYD

2 stops25h 43mDelta

Deal found 15/10$2,368

dim. 16/1110:40SYD - MDW

2 stops22h 58mDelta

dim. 30/1109:41MDW - SYD

2 stops29h 49mDelta

Deal found 16/10$2,456

lun. 3/1110:40SYD - MDW

2 stops24h 03mDelta

lun. 17/1110:47MDW - SYD

2 stops28h 43mDelta

Deal found 17/10$2,524

mer. 24/1210:40SYD - MDW

2 stops28h 42mDelta

jeu. 22/110:35MDW - SYD

2 stops27h 15mDelta

Deal found 16/10$2,524

lun. 27/1009:40SYD - MDW

2 stops24h 03mDelta

dim. 9/1113:47MDW - SYD

2 stops25h 43mDelta

Deal found 16/10$2,531

Last-minute flights to Illinois
Discover last-minute flight deals to Illinois. Data last updated 17 octobre 2025 and is based on user searches.

ven. 24/1010:10SYD - ORD

1 stop21h 53mQantas Airways

ven. 24/1020:30ORD - SYD

1 stop43h 00mQantas Airways

Deal found 16/10$2,479

ven. 24/1010:20SYD - ORD

1 stop20h 40mAir Canada

ven. 24/1020:25ORD - SYD

2 stops44h 15mAir Canada

Deal found 16/10$3,534

sam. 25/1010:10SYD - ORD

1 stop21h 55mQantas Airways

sam. 25/1020:30ORD - SYD

1 stop20h 30mQantas Airways

Deal found 16/10$2,371

sam. 25/1010:20SYD - ORD

2 stops22h 50mMultiple Airlines

sam. 25/1020:30ORD - SYD

1 stop20h 30mMultiple Airlines

Deal found 16/10$2,607

sam. 25/1010:20SYD - ORD

2 stops22h 50mAir Canada

sam. 25/1019:54ORD - SYD

2 stops44h 41mAir Canada

Deal found 16/10$3,149

lun. 27/1016:35SYD - ORD

1 stop32h 00mMultiple Airlines

dim. 9/1115:00ORD - SYD

1 stop25h 00mMultiple Airlines

Deal found 16/10$1,789

lun. 27/1021:45SYD - ORD

2 stops47h 31mANA

dim. 9/1116:25ORD - SYD

1 stop34h 50mANA

Deal found 16/10$1,815

lun. 27/1010:25SYD - ORD

2 stops46h 45mAir Canada

dim. 9/1108:45ORD - SYD

2 stops31h 50mAir Canada

Deal found 16/10$1,957

lun. 27/1009:40SYD - MDW

2 stops24h 03mDelta

dim. 9/1113:47MDW - SYD

2 stops25h 43mDelta

Deal found 16/10$2,531

lun. 27/1013:05SYD - MDW

1 stop26h 15mMultiple Airlines

dim. 9/1112:30MDW - SYD

2 stops49h 55mMultiple Airlines

Deal found 16/10$2,596

Flights to Illinois in 2025

Return from	$1,407
One-way from	$861
Popular in	December
Cheapest in	March
Average price	$1,729

1/11-16/11
4 total stops
61h 30m total
Sydney to Chicago

Search Deals

11/3
2 total stops
41h 48m total
Sydney to Illinois

Search Deals

Highest demand for flights based on searches. 21% potential increase in price ($434 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($75 potential savings vs. average return price).

Search Deals

Average for return flights in October 2025

Search Deals

Fly from

Route

Depart

Return

Price

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

mer. 12/11

11:20-14:41

1 stop20h 21m

Chicago O'Hare Intl

dim. 30/11

14:00-09:35

2 stops50h 35m

$1,697

SydneyChicago

SYD - MDW

SYDMDW

Sydney Kingsford Smith

sam. 1/11

11:20-12:30

2 stops41h 10m

Chicago Midway

dim. 16/11

06:30-09:00

2 stops33h 30m

$1,729

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

sam. 8/11

17:45-23:00

1 stop22h 15m

Chicago O'Hare Intl

sam. 15/11

21:22-07:25

1 stop41h 03m

$1,746

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

jeu. 12/3

10:25-15:29

2 stops45h 04m

Lambert-St Louis

lun. 16/3

16:05-08:35

2 stops48h 30m

$1,774

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

mer. 1/4

10:20-14:43

1 stop20h 23m

Chicago O'Hare Intl

mar. 14/4

07:15-07:20

3 stops33h 05m

$1,803

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

dim. 16/11

11:20-14:41

1 stop20h 21m

Chicago O'Hare Intl

dim. 30/11

16:25-20:15

1 stop34h 50m

$1,803

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

jeu. 12/3

11:20-23:09

1 stop27h 49m

Lambert-St Louis

lun. 16/3

18:29-07:25

2 stops44h 56m

$1,823

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

lun. 1/12

14:05-23:31

1 stop26h 26m

Chicago O'Hare Intl

mer. 4/2

09:02-09:00

1 stop30h 58m

$1,838

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

jeu. 12/3

09:40-16:50

2 stops23h 10m

Lambert-St Louis

lun. 16/3

18:59-06:05

2 stops43h 06m

$1,849

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

lun. 27/10

10:25-17:10

2 stops46h 45m

Chicago O'Hare Intl

dim. 9/11

08:45-09:35

2 stops31h 50m

$1,957

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 27 results

Best time to book a flight to Illinois

Have a flexible travel schedule? Discover the best time to fly to 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.

Cheapflights Insights

Everything you need to know about your flight to Illinois

How long is the flight to Illinois?

On average, a flight from Sydney to Illinois takes 20 hours 50 minutes. Flights to Illinois from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Illinois?

Users looking for the lowest fares to Illinois should consider flying on Monday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday evenings, when prices are usually at their highest.

What are the most popular airlines that fly to Illinois?

The most popular airlines flying from Sydney to Illinois are Qantas Airways, Air Canada and United Airlines.

What are the cheapest airlines that fly to Illinois?

The cheapest airlines flying from Sydney to Illinois are Qantas Airways, American Airlines and Air Canada.

Rainfall in Illinois by month

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Illinois

Read through reviews of airlines serving the United States, such as Air New Zealand, Qantas Airways, andUnited Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air New Zealand

8.0

Very Good

515 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Air New Zealand

8.0

Very Good

515 reviews

Air New Zealand

8.0

Very Good

515 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Qantas Airways

7.5

Good

918 reviews

Air New Zealand

8.0

Very Good

515 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

United Airlines

7.4

Good

8,982 reviews

Air New Zealand

8.0

Very Good

515 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

American Airlines

7.2

Good

11,040 reviews

Air New Zealand

8.0

Very Good

515 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Air Canada

7.1

Good

10,307 reviews

Air New Zealand

8.0

Very Good

515 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

FAQs about flying to Illinois

Can I find cheaper flights to Illinois if I am willing to have stopovers?
Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Illinois on Cheapflights that require 1 or 2 stops for potential cost savings.
What is the best airline to fly to Illinois?
Based on reviews from Cheapflights users, Qantas Airways is rated the highest out of the airlines that fly to Illinois.
What is the cheapest airport to fly to in Illinois?
Chicago O'Hare Intl is currently the cheapest airport to fly to in Illinois. One-way flights to Chicago O'Hare Intl typically cost $50, while return flights cost around $532.
How much is a return flight to Illinois?
A return flight to Illinois will typically cost around $1,549, however they can be found for as little as $345.
Where does the fastest flight to Illinois depart from?
For those looking to save time traveling to Illinois, Sydney Kingsford Smith offers the quickest one-way flight (19 hours 9 minutes).
Does Chicago O'Hare Intl have car hire?
Yes. Those touching down at Chicago O'Hare Intl can take advantage of the car hire services offered upon their arrival.
Are there hotels close to Chicago O'Hare Intl?
Yes. Chicago O'Hare Intl has hotels nearby for those requiring accommodations. Hilton Chicago O'Hare Airport is the closest property to Chicago O'Hare Intl (0.0 km away from Chicago O'Hare Intl).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Find flights to Illinois

Flights to O'Hare Intl

Flights to Midway

Flights to Moline

Flights to Bloomington

Flights to Springfield

Flights to Belleville

Flights to Chicago

Complete your trip

Illinois car hire

Chicago O'Hare Intl Airport car hire

Chicago Midway Airport car hire

Moline Quad-City Airport car hire

Greater Peoria Airport car hire

Chicago Greater Rockford Airport car hire

Champaign University-Willard Airport car hire

Springfield Capital Airport car hire

Belleville Airport car hire

Marion Williamson County Airport car hire

Quincy Regional Airport car hire

Popular places in United States

Popular United States flight routes

Flights from Sydney to Honolulu

Flights from Melbourne to Honolulu

Flights from Sydney to Los Angeles

Flights from Brisbane to Los Angeles

Flights from Melbourne to Los Angeles

Flights from Melbourne to San Francisco

Flights from Brisbane to San Francisco

Flights from Sydney to San Francisco

Flights from Sydney to George Bush Intcntl

Flights from Brisbane to Dallas/Fort Worth

Flights from Melbourne to Dallas/Fort Worth

Flights from Sydney to John F Kennedy Intl

Flights from Sydney to Dallas/Fort Worth

Flights from Adelaide to San Francisco

Flights from Los Angeles to San Francisco

Flights from Los Angeles to Orlando

Flights from Los Angeles to Las Vegas

Flights from Los Angeles to Newark

Flights from Los Angeles to George Bush Intcntl

Flights from Vancouver Intl to San Francisco

Flights from Los Angeles to John F Kennedy Intl

Flights from John F Kennedy Intl to Los Angeles

Flights from Los Angeles to Dulles Intl

Flights from Los Angeles to Miami

Flights from Los Angeles to Honolulu

Flights from Heathrow to John F Kennedy Intl

Fly with Cheapflights

How does Cheapflights help users find flights to Illinois?

Cheapflights helps you search for flights to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights to Illinois with no change fees?

Certainly. Search results for flights to Illinois shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Illinois flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

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.

$861+ Cheap flights to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals to Illinois

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

Explore the most affordable flight options available to Illinois. Find the lowest fares based on data from user searches, with prices last updated on 17 octobre 2025.

Flights to Illinois in 2025

Find the latest flights to Illinois in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 17 octobre 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights to Illinois that are best for you.

Best time to book a flight to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight to Illinois

How long is the flight to Illinois?

When is the cheapest time to fly to Illinois?

Use this chart to determine the cheapest time to fly return from Sydney to Illinois. Price data was last updated on 16 December 2024.

What are the most popular airlines that fly to Illinois?

What are the cheapest airlines that fly to Illinois?

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

Reviews of airlines servicing Illinois

Read through reviews of airlines serving the United States, such as Air New Zealand, Qantas Airways, andUnited Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

FAQs about flying to Illinois

Can I find cheaper flights to Illinois if I am willing to have stopovers?

What is the best airline to fly to Illinois?

What is the cheapest airport to fly to in Illinois?

How much is a return flight to Illinois?

Where does the fastest flight to Illinois depart from?

Does Chicago O'Hare Intl have car hire?

Are there hotels close to Chicago O'Hare Intl?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Find flights to Illinois

Select your preferred flight destination in Illinois from the list below.

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 to Illinois?

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

Can Cheapflights find flights to Illinois with no change fees?

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

100% Free

Book with Flexibility

Travel Smart

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