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Cheap flights to Illinois from $1,104

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 20/9. 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.
CMH — ORD
24 May — 31 May1
1 adult
Fri 24/5
Fri 31/5

Flights to Illinois in 2024

Find the latest flights to Illinois in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 529,572 searches and data was last updated on 19 May 2024.

Popular in

December

Cheapest in

February

Average price

$2,006

Return from

$1,364

One-way from

$1,104
High demand for flights, 10% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for return flights in May 2024
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From Sydney Kingsford Smith to Chicago
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One-way flight from Sydney Kingsford Smith (SYD) to Illinois
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Cheap flights to Illinois in May & June 2024

Search the best deals to popular Illinois cities recently found by Cheapflights users
The following deals offer some of the lowest prices we've found on flights heading to Illinois in May and June 2024. If these deals fall outside of your budget, be sure to come back soon as prices update often.
Cheap flights to Chicago, Illinois
Sat 15/610:20SYD - ORD
1 stop27h 53mUnited Airlines
Sun 14/715:44ORD - SYD
1 stop24h 11mUnited Airlines
Deal found 19/5$1,610
Tue 18/611:50SYD - ORD
2 stops32h 32mANA
Wed 24/717:45ORD - SYD
1 stop34h 30mANA
Deal found 18/5$1,755
Thu 13/617:35SYD - ORD
1 stop37h 20mQantas Airways
Mon 15/718:26ORD - SYD
1 stop22h 44mQantas Airways
Deal found 18/5$1,766
Thu 13/617:35SYD - ORD
1 stop37h 20mQantas Airways
Mon 15/708:25ORD - SYD
1 stop32h 45mQantas Airways
Deal found 19/5$1,772
Sat 15/617:35SYD - ORD
1 stop39h 59mQantas Airways
Thu 11/708:25ORD - SYD
1 stop32h 45mQantas Airways
Deal found 19/5$1,846
Mon 17/611:50SYD - ORD
1 stop35h 50mANA
Wed 24/719:35ORD - SYD
2 stops32h 40mANA
Deal found 18/5$1,848
Tue 18/611:50SYD - ORD
2 stops32h 32mANA
Sat 27/717:45ORD - SYD
1 stop34h 30mANA
Deal found 18/5$1,855
Mon 17/611:50SYD - ORD
1 stop35h 50mANA
Thu 25/708:45ORD - SYD
2 stops43h 30mANA
Deal found 18/5$1,911
Sun 16/609:15SYD - ORD
1 stop19h 48mAmerican Airlines
Mon 15/718:26ORD - SYD
1 stop22h 44mAmerican Airlines
Deal found 18/5$2,020

Illinois 2024 flight deals

Explore flight deals for Illinois in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 529,572 searches and data were last updated on 19 May 2024.
Browse some of the best deals on flights to Illinois in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 4/909:30SYD - ORD
2 stops35h 08mUnited Airlines
Sun 15/912:45ORD - SYD
1 stop27h 15mUnited Airlines
Deal found 18/5$1,364
Wed 4/910:20SYD - ORD
1 stop24h 08mUnited Airlines
Sun 15/917:55ORD - SYD
1 stop22h 00mUnited Airlines
Deal found 18/5$1,546
Mon 26/809:30SYD - ORD
1 stop25h 55mUnited Airlines
Fri 13/916:50ORD - SYD
1 stop23h 10mUnited Airlines
Deal found 18/5$1,621
Mon 26/809:30SYD - ORD
1 stop20h 01mUnited Airlines
Fri 13/916:09ORD - SYD
2 stops23h 51mUnited Airlines
Deal found 18/5$1,627
Wed 14/809:15SYD - ORD
2 stops23h 09mAmerican Airlines
Wed 4/918:25ORD - SYD
1 stop20h 50mAmerican Airlines
Deal found 18/5$1,631
Wed 14/809:15SYD - ORD
1 stop21h 21mAmerican Airlines
Wed 4/909:55ORD - SYD
1 stop30h 10mAmerican Airlines
Deal found 18/5$1,634
Wed 14/809:15SYD - ORD
2 stops22h 46mAmerican Airlines
Wed 4/916:50ORD - SYD
2 stops23h 15mAmerican Airlines
Deal found 18/5$1,639
Wed 4/915:50SYD - ORD
2 stops22h 46mAmerican Airlines
Sun 15/916:50ORD - SYD
2 stops23h 15mAmerican Airlines
Deal found 18/5$1,648
Thu 31/1012:25SYD - ORD
1 stop35h 55mANA
Sun 3/1107:10ORD - SYD
2 stops44h 05mANA
Deal found 17/5$1,667

One-way flights to Illinois

Explore one-way flight options to Illinois for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 529,572 searches and data was last updated on 19 May 2024.
These are some of the best available deals on flights to Illinois. Those seeking round-trip flights to Illinois should utilize the search form at the top of the page.
Fri 20/917:35SYD - ORD
1 stop27h 25mAmerican Airlines
Deal found 17/5$1,104

Find flights to Illinois within your budget

Locate flights to Illinois that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 529,572 searches and data was last updated on 19 May 2024.

Fly from

Any airport

Budget

$1,364 - $2,666

Route

Depart

Return

Price

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 4/9

2 stops35h 08m

Chicago O'Hare Intl

Sun 15/9

1 stop27h 15m

$1,364

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 14/8

2 stops23h 09m

Chicago O'Hare Intl

Wed 4/9

1 stop20h 50m

$1,631

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 31/10

1 stop35h 55m

Chicago O'Hare Intl

Sun 3/11

2 stops44h 05m

$1,667

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 13/6

1 stop37h 20m

Chicago O'Hare Intl

Mon 15/7

1 stop22h 44m

$1,766

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 31/10

1 stop40h 30m

Chicago O'Hare Intl

Sun 3/11

1 stop26h 30m

$1,882

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 19/6

1 stop45h 50m

Chicago O'Hare Intl

Mon 22/7

2 stops32h 48m

$2,214

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 18/6

2 stops31h 01m

Chicago O'Hare Intl

Tue 25/6

2 stops54h 54m

$2,218

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 19/6

1 stop45h 50m

Chicago O'Hare Intl

Sat 20/7

1 stop37h 05m

$2,244

Sydney Kingsford SmithChicago Midway

SYD - MDW

SYDMDW

Sydney Kingsford Smith

Wed 4/9

2 stops22h 49m

Chicago Midway

Sun 15/9

2 stops26h 25m

$2,666

Flights are sorted by cheapest first

Deals found on 18/5

Average price of flights to Illinois by month

Plan your trip to Illinois by taking into account the cheapest months to travel. The average price of a one-way flight to Illinois is currently $1,104 while a return flight costs $1,961. Price data was last updated on 12 May 2024.

Currently, February is the cheapest month in which you can book a flight to Illinois (average of $928). Flying to Illinois in December will prove the most costly (average of $1,591). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

January

$1,628

February

$1,386

March

$1,574

April

$1,852

May

$1,742

June

$1,773

July

$1,906

August

$1,891

September

$1,722

October

$1,667

November

$1,916

December

$2,377

Temperature and rainfall in Illinois by month

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

CHI

Temperature

-5 - 23 °C

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).

When is the best time to book a flight to Illinois?

Use this chart to determine the optimal time to book a return flight to Illinois. Price data was last updated on 10 May 2024.
To ensure you get the cheapest price possible for a flight to Illinois, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 19 May 2024.
Get a feel of what it's like to fly with United Airlines, American Airlines and ANA to Illinois by reading reviews from past customers. 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.
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Crew

8.9

Overall

8.7

Comfort

8.1

Entertainment

7.4

Boarding

8.5

Food

7.9

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
8.7
Very Good
76 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Crew

8.9

Overall

8.7

Comfort

8.1

Entertainment

7.4

Boarding

8.5

Food

7.9

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.

Korean Air
8.5
Very Good
1,166 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Crew

8.9

Overall

8.7

Comfort

8.1

Entertainment

7.4

Boarding

8.5

Food

7.9

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.

ANA
8.5
Very Good
920 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Crew

8.9

Overall

8.7

Comfort

8.1

Entertainment

7.4

Boarding

8.5

Food

7.9

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.

Japan Airlines
8.3
Very Good
1,472 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Crew

8.9

Overall

8.7

Comfort

8.1

Entertainment

7.4

Boarding

8.5

Food

7.9

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.

Singapore Airlines
8.3
Very Good
1,444 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Crew

8.9

Overall

8.7

Comfort

8.1

Entertainment

7.4

Boarding

8.5

Food

7.9

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.

  • 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, American Airlines 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 Airport is currently the cheapest airport to fly to in Illinois. One-way flights to Chicago O'Hare Intl Airport typically cost $93, while return flights cost around $267.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around $280, however they can be found for as little as $179.

  • Where does the fastest flight to Illinois depart from?

    For those looking to save time traveling to Illinois, Melbourne offers the quickest one-way flight (19 hours 22 minutes).

  • Does Chicago O'Hare Intl Airport have car hire?

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

  • Are there hotels close to Chicago O'Hare Intl Airport?

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

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