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$844+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
20 Kas — 27 Kas1
1 adult

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 732,627 searches and data was last updated on 15 Kasım 2024.

Fly from

Any airport

Route

Depart

Return

Price

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sal 19/11

12:25-07:20

1 stop35h 55m

Chicago O'Hare Intl

Pzt 9/12

07:15-20:15

2 stops44h 00m

$1,703

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Cmt 1/2

11:20-19:37

2 stops25h 17m

Chicago O'Hare Intl

Cmt 15/2

11:04-09:35

2 stops29h 31m

$1,759

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Pzt 12/5

10:20-17:03

1 stop21h 43m

Lambert-St Louis

Cmt 31/5

18:00-07:00

1 stop22h 00m

$1,796

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Pzt 12/5

09:20-15:21

2 stops45h 01m

Lambert-St Louis

Cmt 31/5

13:25-07:20

3 stops50h 55m

$1,853

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Paz 29/12

14:00-05:30

3 stops32h 30m

Chicago O'Hare Intl

Sal 14/1

11:10-12:30

2 stops32h 20m

$1,988

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sal 19/11

09:55-20:23

2 stops27h 28m

Chicago O'Hare Intl

Pzt 9/12

16:10-10:25

2 stops25h 15m

$2,009

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sal 19/11

11:15-23:11

1 stop28h 56m

Chicago O'Hare Intl

Pzt 9/12

15:40-09:00

1 stop24h 20m

$2,019

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sal 19/11

11:15-17:40

2 stops23h 25m

Chicago O'Hare Intl

Pzt 9/12

15:23-09:00

2 stops24h 37m

$2,152

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Çar 15/1

11:20-16:31

1 stop22h 11m

Chicago O'Hare Intl

Paz 19/1

14:02-07:00

1 stop23h 58m

$2,515

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sal 24/12

09:15-15:40

2 stops47h 25m

Lambert-St Louis

Paz 5/1

06:30-06:50

2 stops31h 20m

$2,703

Flights are sorted by cheapest first

Deals found on 13/11

Showing 1-10 of 37 results
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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 732,627 searches and data was last updated on 15 Kasım 2024.

Return from

$1,329

One-way from

$844

Popular in

December

Cheapest in

March

Average price

$1,876
Qantas Airways
  • Qantas Airways
  • 4/3-1/4
  • 2 total stops
  • 62h 05m total
  • Sydney to Chicago
Search Deals
Qantas Airways
  • Qantas Airways
  • 8/3
  • 1 total stop
  • 23h 09m total
  • Sydney to Illinois
Search Deals
High demand for flights, 11% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
Search Deals
Average for return flights in November 2024
Search Deals

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 15 Kasım 2024
Explore Illinois
Look for other cheap flights to Chicago
Look for other cheap flights to Moline

Find flight deals to Illinois

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 15 Kasım 2024.

Sal 19/1112:25SYD - ORD
1 stop35h 55mANA
Pzt 9/1207:15ORD - SYD
2 stops44h 00mANA
Deal found 14/11$1,703
Paz 29/1214:00SYD - ORD
3 stops32h 30mMultiple Airlines
Sal 14/111:10ORD - SYD
2 stops32h 20mMultiple Airlines
Deal found 14/11$1,988
Sal 19/1111:15SYD - ORD
1 stop25h 17mQantas Airways
Sal 10/1218:50ORD - SYD
1 stop21h 10mQantas Airways
Deal found 15/11$2,019
Çar 11/1211:20SYD - ORD
2 stops37h 45mAir Canada
Pzt 16/1215:40ORD - SYD
1 stop24h 55mAir Canada
Deal found 14/11$2,023
Per 26/1216:00SYD - STL
2 stops40h 06mAir Canada
Sal 7/115:50STL - SYD
2 stops48h 45mAir Canada
Deal found 15/11$2,085
Sal 19/1111:15SYD - ORD
2 stops23h 25mAmerican Airlines
Pzt 9/1215:23ORD - SYD
2 stops24h 37mAmerican Airlines
Deal found 15/11$2,152
Çar 25/1212:10SYD - STL
1 stop29h 18mUnited Airlines
Sal 7/106:15STL - SYD
1 stop31h 45mUnited Airlines
Deal found 13/11$2,439
Sal 19/1111:05SYD - MDW
2 stops24h 27mDelta
Sal 10/1214:15MDW - SYD
2 stops25h 20mDelta
Deal found 15/11$2,512
Pzt 2/1211:20SYD - ORD
1 stop24h 35mUnited Airlines
Paz 29/1221:29ORD - SYD
1 stop40h 31mUnited Airlines
Deal found 14/11$2,578
Sal 24/1209:15SYD - STL
2 stops47h 25mMultiple Airlines
Paz 5/106:30STL - SYD
2 stops31h 20mMultiple Airlines
Deal found 13/11$2,703
Per 5/1211:15SYD - STL
1 stop29h 57mAmerican Airlines
Çar 11/1213:36STL - SYD
1 stop23h 59mAmerican Airlines
Deal found 14/11$2,867
Sal 24/1212:10SYD - ORD
1 stop41h 32mVirgin Australia
Çar 8/107:15ORD - SYD
1 stop32h 50mVirgin Australia
Deal found 14/11$2,948

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.

Travel insights for flights to Illinois

Get recent, data-driven insights about flights to Illinois including ideal travel times, pricing trends, and more.

How long is the flight to Illinois?

On average, a flight from Sydney to Illinois takes 27 hours 57 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?

Use this chart to determine the cheapest time to fly return from Sydney to Illinois. Price data was last updated on 25 February 2024.

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 ANA.

Qantas Airways

Qantas Airways

From $990

Air Canada

Air Canada

From $888

ANA

ANA

From $866

United Airlines

United Airlines

From $955

What are the cheapest airlines that fly to Illinois?

The cheapest airlines flying from Sydney to Illinois are ANA, Air Canada and Air New Zealand.

Rainfall in Illinois by month

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

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

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 15 Kasım 2024.
Get a feel of what it's like to fly with Qantas Airways, American Airlines and Air Canada 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
69 reviews
Check prices

Entertainment

7.2

Overall

8.7

Crew

8.9

Comfort

8.1

Food

7.8

Boarding

8.5

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

Entertainment

7.2

Overall

8.7

Crew

8.9

Comfort

8.1

Food

7.8

Boarding

8.5

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
8.4
Very Good
833 reviews
Air Tahiti Nui
8.7
Very Good
69 reviews
Check prices

Entertainment

7.2

Overall

8.7

Crew

8.9

Comfort

8.1

Food

7.8

Boarding

8.5

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
1,457 reviews
Air Tahiti Nui
8.7
Very Good
69 reviews
Check prices

Entertainment

7.2

Overall

8.7

Crew

8.9

Comfort

8.1

Food

7.8

Boarding

8.5

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.

Delta
8.0
Very Good
8,786 reviews
Air Tahiti Nui
8.7
Very Good
69 reviews
Check prices

Entertainment

7.2

Overall

8.7

Crew

8.9

Comfort

8.1

Food

7.8

Boarding

8.5

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.

Qantas Airways
7.6
Good
825 reviews
Air Tahiti Nui
8.7
Very Good
69 reviews
Check prices

Entertainment

7.2

Overall

8.7

Crew

8.9

Comfort

8.1

Food

7.8

Boarding

8.5

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, Fiji 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 $64, while return flights cost around $371.

  • How much is a return flight to Illinois?

    A return flight to Illinois will typically cost around $377, however they can be found for as little as $240.

  • 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 (20 hours 52 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).

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