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Cheap flights to Illinois from $910

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 7/8. 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
22 May — 29 May1
1 adult
Wed 22/5
Wed 29/5

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 536,630 searches and data was last updated on 17 May 2024.

Popular in

December

Cheapest in

February

Average price

$2,010

Return from

$1,557

One-way from

$910
High demand for flights, 10% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for return flights in May 2024
From Sydney Kingsford Smith to Chicago
One-way flight from Sydney Kingsford Smith (SYD) to Illinois

Find flights to Illinois

Browse one-way and return flights deals to Illinois on Cheapflights. Flight deals are based on user searches and were last updated on 17 May 2024
Explore Illinois

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
Thu 13/609:15SYD - ORD
1 stop25h 20mAmerican Airlines
Mon 15/709:51ORD - SYD
1 stop31h 19mAmerican Airlines
Deal found 16/5$1,645
Thu 13/609:15SYD - ORD
1 stop25h 20mAmerican Airlines
Mon 15/717:36ORD - SYD
2 stops23h 34mAmerican Airlines
Deal found 16/5$1,651
Fri 14/609:15SYD - ORD
1 stop30h 01mAmerican Airlines
Fri 21/611:55ORD - SYD
1 stop28h 10mAmerican Airlines
Deal found 15/5$1,735
Fri 14/609:15SYD - ORD
2 stops23h 31mAmerican Airlines
Fri 21/609:53ORD - SYD
1 stop30h 12mAmerican Airlines
Deal found 15/5$1,742
Tue 18/617:35SYD - ORD
1 stop39h 59mQantas Airways
Thu 25/718:26ORD - SYD
1 stop22h 44mQantas Airways
Deal found 16/5$1,748
Tue 18/611:50SYD - ORD
2 stops32h 32mANA
Sat 27/717:45ORD - SYD
1 stop34h 30mANA
Deal found 16/5$1,834
Sun 16/609:15SYD - ORD
1 stop19h 48mAmerican Airlines
Sun 28/717:20ORD - SYD
2 stops25h 20mAmerican Airlines
Deal found 16/5$2,030
Tue 18/611:50SYD - ORD
1 stop35h 50mANA
Thu 25/709:00ORD - SYD
2 stops43h 15mANA
Deal found 16/5$2,072
Mon 17/611:50SYD - ORD
2 stops32h 32mANA
Sun 28/717:45ORD - SYD
1 stop34h 30mANA
Deal found 16/5$2,083

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 536,630 searches and data were last updated on 17 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 12/613:15SYD - ORD
3 stops32h 09mMultiple Airlines
Wed 19/609:19ORD - SYD
3 stops35h 26mMultiple Airlines
Deal found 15/5$1,390
Wed 12/613:15SYD - ORD
2 stops31h 34mMultiple Airlines
Wed 19/612:32ORD - SYD
3 stops32h 13mMultiple Airlines
Deal found 15/5$1,453
Mon 26/810:20SYD - ORD
1 stop20h 14mUnited Airlines
Fri 13/915:40ORD - SYD
1 stop24h 15mUnited Airlines
Deal found 16/5$1,609
Mon 26/809:30SYD - ORD
2 stops22h 29mUnited Airlines
Fri 13/916:09ORD - SYD
2 stops23h 51mUnited Airlines
Deal found 16/5$1,615
Wed 14/809:15SYD - ORD
1 stop25h 19mAmerican Airlines
Wed 4/915:00ORD - SYD
1 stop25h 05mAmerican Airlines
Deal found 16/5$1,622
Wed 14/809:15SYD - ORD
1 stop21h 21mAmerican Airlines
Wed 4/918:25ORD - SYD
1 stop21h 40mAmerican Airlines
Deal found 15/5$1,624
Wed 12/609:15SYD - ORD
2 stops27h 22mAmerican Airlines
Wed 19/609:53ORD - SYD
1 stop30h 12mAmerican Airlines
Deal found 15/5$1,627
Wed 14/809:15SYD - ORD
2 stops21h 18mAmerican Airlines
Wed 4/916:50ORD - SYD
2 stops23h 15mAmerican Airlines
Deal found 15/5$1,628
Tue 3/917:35SYD - ORD
1 stop27h 36mAmerican Airlines
Sun 15/916:50ORD - SYD
1 stop23h 15mAmerican Airlines
Deal found 16/5$1,631

Flights to Illinois departing soon

Discover available last-minute flight options to Illinois, providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 536,630 searches and data was last updated on 17 May 2024.
If you're looking for a last-minute flight to Illinois, consider booking one of these fares. Tip: double check your flight details before making your reservation.
Thu 23/509:30SYD - ORD
1 stop22h 10mMultiple Airlines
Wed 29/519:35ORD - SYD
1 stop20h 20mMultiple Airlines
Deal found 16/5$1,557

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 536,630 searches and data was last updated on 17 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.
Wed 7/806:55SYD - ORD
3 stops38h 25mMultiple Airlines
Deal found 15/5$910

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 536,630 searches and data was last updated on 17 May 2024.

Fly from

Any airport

Budget

$1,557 - $2,751

Route

Depart

Return

Price

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 23/5

1 stop22h 10m

Chicago O'Hare Intl

Wed 29/5

1 stop20h 20m

$1,557

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 14/8

1 stop25h 19m

Chicago O'Hare Intl

Wed 4/9

1 stop25h 05m

$1,622

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 18/6

1 stop39h 59m

Chicago O'Hare Intl

Thu 25/7

1 stop22h 44m

$1,748

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 18/6

2 stops32h 32m

Chicago O'Hare Intl

Sat 27/7

1 stop34h 30m

$1,834

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 19/6

1 stop45h 50m

Chicago O'Hare Intl

Sun 28/7

1 stop37h 05m

$2,196

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 8/7

1 stop19h 35m

Chicago O'Hare Intl

Sun 21/7

2 stops31h 10m

$2,624

Sydney Kingsford SmithChicago Midway

SYD - MDW

SYDMDW

Sydney Kingsford Smith

Wed 4/9

2 stops22h 49m

Chicago Midway

Sun 15/9

2 stops30h 00m

$2,667

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 23/5

2 stops50h 23m

Chicago O'Hare Intl

Fri 31/5

2 stops54h 45m

$2,678

Sydney Kingsford SmithChicago O'Hare Intl

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 14/6

2 stops37h 38m

Chicago O'Hare Intl

Fri 21/6

3 stops31h 35m

$2,751

Flights are sorted by cheapest first

Deals found on 16/5

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 $910 while a return flight costs $2,186. 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

$1,631

February

$1,389

March

$1,578

April

$1,856

May

$1,745

June

$1,777

July

$1,910

August

$1,895

September

$1,726

October

$1,670

November

$1,920

December

$2,381

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.
Search Deals

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 17 May 2024.
Get a feel of what it's like to fly with American Airlines, Air New Zealand and Qantas Airways 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.
8.5
Very Good
921 reviews

Crew

8.8

Food

7.8

Overall

8.5

Entertainment

8.0

Comfort

8.3

Boarding

8.6

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

8.5
Very Good
921 reviews
8.5
Very Good
921 reviews

Crew

8.8

Food

7.8

Overall

8.5

Entertainment

8.0

Comfort

8.3

Boarding

8.6

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

8.3
Very Good
1,472 reviews
8.5
Very Good
921 reviews

Crew

8.8

Food

7.8

Overall

8.5

Entertainment

8.0

Comfort

8.3

Boarding

8.6

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

8.3
Very Good
1,447 reviews
8.5
Very Good
921 reviews

Crew

8.8

Food

7.8

Overall

8.5

Entertainment

8.0

Comfort

8.3

Boarding

8.6

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

8.0
Very Good
10,673 reviews
8.5
Very Good
921 reviews

Crew

8.8

Food

7.8

Overall

8.5

Entertainment

8.0

Comfort

8.3

Boarding

8.6

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

7.8
Good
1,084 reviews
8.5
Very Good
921 reviews

Crew

8.8

Food

7.8

Overall

8.5

Entertainment

8.0

Comfort

8.3

Boarding

8.6

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

  • 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 $268.

  • 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).

See more FAQs

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