Language AUD/AU

Flights to Illinois

Find cheap flights to Illinois in 2025/2026 from $1,181 This is the cheapest return flight found to Illinois from Australia on FlightsFinder on December 1st 2025 at 16:35. This offer may no longer be available. Click the offer to check live prices & dates of travel.

Return

1

Adults

- +

Children

Aged 2-12

- +

Infant

Aged 0-2

- +

Reset

Confirm

Economy

  • We compare
  • Kayak
  • Skyscanner
  • Momondo
  • Cheapflights
  • Jetradar
  • Kiwi
Departing
Departing
Returning

Flight 1

Departing

Flight 2

Departing

Flight 3

Departing

Flight 4

Departing

Flight 5

Departing

Flight 6

Departing

Add another flight

Clear all

Flexible Dates

Our Flight Finder compares the cheapest flights to Illinois from the most established flight comparison sites.
Fly to Illinois and visit sites like Millennium Park, Willis Tower, Navy Pier & The Art Institute of Chicago.

Plane flying over earth

1. Enter your search requirements for Illinois

2. Compare the best Illinois deals from top comparison engines

Flight ticket

3. Book your Illinois flight at the cheapest price

Recent deals found from

to:
in:

What are the cheapest return flights to Illinois in 2025/2026?

These economy flights were found on FlightsFinder from Australia to Illinois in the last few days. Prices subject to availability.

What are the cheapest one-way flights to Illinois in 2025/2026?

These economy flights were found on FlightsFinder from Australia to Illinois in the last few days. Prices subject to availability.

When are flights to Illinois cheapest?

up

The month of January

happy

According to our data, January is on average the cheapest time to book flights to Illinois.
You can get flights from $1,181 return.

When is the most expensive time to fly to Illinois?

up

The month of November

happy

According to our data, November is on average the most expensive time to book flights to Illinois.
A return flight could set you back more than $1,969.

Why fly to Illinois?

Illinois, known as the "Land of Lincoln," is a vibrant state in the heart of the Midwest, offering a diverse range of experiences for visitors. From the iconic skyline of Chicago with its towering skyscrapers and cultural attractions, to the charming small towns scattered throughout the state, Illinois blends urban excitement with rural charm. Explore the picturesque vineyards of the Shawnee Hills Wine Trail, wander through the historic neighborhoods of Springfield, or take in a show at one of the many theaters in the state. With its rich history, dynamic cities, and scenic landscapes, Illinois promises a memorable adventure for travelers of all interests.

Frequently asked questions about Flights to Illinois

What is considered a good price to Illinois?

A good price for a flight to Chicago is $1063 - $1299.

Which popular airports are close to Illinois?

Some popular airports near the city of Illinois include O'Hare International Airport (ORD), Midway International Airport (MDW), and Chicago Rockford International Airport (RFD).

How long does it take to fly to Illinois?

The flight to Illinois (CHI) is roughly 21 hours 1 minute and 9,235 miles (14,862 kilometres) from Sydney, Australia - Kingsford Smith Airport (SYD).

How do I find the cheapest possible flights to Illinois?

The best way is to compare flights to Illinois from leading comparison sites using our search engine dashboard.

Are there direct flights to Illinois?

We have currently found no direct flights to Illinois.

What is the weather like in Illinois?

Here is the average weather forecast in Illinois by month:

• Jan: -0°C
• Feb: 2°C
• Mar: 8°C
• Apr: 15°C
• May: 21°C
• Jun: 27°C
• Jul: 29°C
• Aug: 28°C
• Sep: 24°C
• Oct: 17°C
• Nov: 9°C
• Dec: 2°C

How far is the main airport in Illinois from the city centre?

The main airport in Illinois, O'Hare International Airport, is approximately 17 miles from downtown Chicago.

How far in advance should I book my flight to Illinois?

Typically, flights are cheapest to Illinois 2 months before departure.

Which day is cheapest to fly to Illinois?

Studies show flights to Illinois are typically cheaper on Tuesdays and Wednesdays.

Weather in Illinois

Clear
Clear

-16.7 °C

Fri, 5 Dec 2025

Average Temperature

-0°C

Jan

2°C

Feb

8°C

Mar

15°C

Apr

21°C

May

27°C

Jun

29°C

Jul

28°C

Aug

24°C

Sep

17°C

Oct

9°C

Nov

2°C

Dec

Illinois

Select a City Below to see the Cheapest Flights to Illinois:

Chicago, Illinois | Peoria, Illinois | Moline, Illinois | Springfield, Illinois | Marion, Illinois | Bloomington, Illinois

Flight Distance and Flying Time to Illinois

Sydney, Australia - Kingsford Smith Airport (SYD) to Illinois (CHI)

Distance:
9,235 miles (14,862 kilometres)

Average flight time (direct 21 hours 1 minute)

Brisbane, Australia - Brisbane International Airport (BNE) to Illinois (CHI)

Distance:
8,903 miles (14,329 kilometres)

Average flight time (direct 20 hours 17 minutes)

Melbourne, Australia - All Airports (MEL) to Illinois (CHI)

Distance:
9,666 miles (15,556 kilometres)

Average flight time (direct 21 hours 58 minutes)

Perth, Australia - Perth International Airport (PER) to Illinois (CHI)

Distance:
10,955 miles (17,630 kilometres)

Average flight time (direct 24 hours 50 minutes)

Cairns, Australia - Cairns International Airport (CNS) to Illinois (CHI)

Distance:
8,845 miles (14,234 kilometres)

Average flight time (direct 20 hours 9 minutes)

Adelaide, Australia - Adelaide International Airport (ADL) to Illinois (CHI)

Distance:
9,909 miles (15,948 kilometres)

Average flight time (direct 22 hours 31 minutes)

Darwin, Australia - Darwin International Airport (DRW) to Illinois (CHI)

Distance:
9,342 miles (15,035 kilometres)

Average flight time (direct 21 hours 15 minutes)

Gold Coast, Australia - Coolangatta Airport (OOL) to Illinois (CHI)

Distance:
8,913 miles (14,344 kilometres)

Average flight time (direct 20 hours 18 minutes)

Townsville, Australia - Townsville International Airport (TSV) to Illinois (CHI)

Distance:
8,898 miles (14,320 kilometres)

Average flight time (direct 20 hours 16 minutes)

Mount Isa, Australia - Mount Isa Airport (ISA) to Illinois (CHI)

Distance:
9,326 miles (15,009 kilometres)

Average flight time (direct 21 hours 13 minutes)

Kununurra, Australia - Kununurra Airport (KNX) to Illinois (CHI)

Distance:
9,612 miles (15,470 kilometres)

Average flight time (direct 21 hours 51 minutes)

Newcastle, Australia - Williamtown Metropolitan Area Airport (NTL) to Illinois (CHI)

Distance:
9,163 miles (14,747 kilometres)

Average flight time (direct 20 hours 51 minutes)

Mackay, Australia - Mackay Airport (MKY) to Illinois (CHI)

Distance:
8,857 miles (14,254 kilometres)

Average flight time (direct 20 hours 10 minutes)

Hobart, Australia - Hobart International Airport (HBA) to Illinois (CHI)

Distance:
9,661 miles (15,549 kilometres)

Average flight time (direct 21 hours 58 minutes)

Launceston, Australia - Launceston Airport (LST) to Illinois (CHI)

Distance:
9,647 miles (15,525 kilometres)

Average flight time (direct 21 hours 56 minutes)

Cloncurry, Australia - Cloncurry Airport (CNJ) to Illinois (CHI)

Distance:
9,276 miles (14,928 kilometres)

Average flight time (direct 21 hours 6 minutes)

Paraburdoo, Australia - Paraburdoo Airport (PBO) to Illinois (CHI)

Distance:
10,471 miles (16,852 kilometres)

Average flight time (direct 23 hours 46 minutes)

Karratha, Australia - Karratha Airport (KTA) to Illinois (CHI)

Distance:
10,383 miles (16,710 kilometres)

Average flight time (direct 23 hours 34 minutes)

Kalgoorlie-Boulder, Australia - Kalgoorlie-Boulder Airport (KGI) to Illinois (CHI)

Distance:
10,642 miles (17,126 kilometres)

Average flight time (direct 24 hours 8 minutes)

Learmonth, Australia - Learmonth Airport (LEA) to Illinois (CHI)

Distance:
10,573 miles (17,015 kilometres)

Average flight time (direct 23 hours 59 minutes)

Port Macquarie, Australia - Port Macquarie Airport (PQQ) to Illinois (CHI)

Distance:
9,064 miles (14,588 kilometres)

Average flight time (direct 20 hours 38 minutes)

Port Hedland, Australia - Port Hedland International Airport (PHE) to Illinois (CHI)

Distance:
10,289 miles (16,559 kilometres)

Average flight time (direct 23 hours 21 minutes)

Canberra, Australia - Canberra Airport (CBR) to Illinois (CHI)

Distance:
9,378 miles (15,092 kilometres)

Average flight time (direct 21 hours 20 minutes)

Map of Illinois

Travel Videos About Illinois

Cheapest flight routes found to Illinois

From Sydney

From Sydney (SYD), Australia to Chicago, United States (ORD): $1,181

Depart: 22 Jan 2026 · Return: 24 Mar 2026 Price found 01 Dec 2025, 16:35

From Brisbane

From Brisbane (BNE), Australia to Chicago, United States (ORD): $1,195

Depart: 24 Feb 2026 · Return: 03 Mar 2026 Price found 03 Dec 2025, 01:49

From Melbourne

From Melbourne (MEL), Australia to Chicago, United States (ORD): $1,244

Depart: 14 Apr 2026 · Return: 21 Apr 2026 Price found 02 Dec 2025, 08:02

From Adelaide

From Adelaide (ADL), Australia to Chicago, United States (ORD): $1,405

Depart: 19 Mar 2026 · Return: 19 Apr 2026 Price found 05 Dec 2025, 01:26

From Perth

From Perth (PER), Australia to Chicago, United States (ORD): $1,489

Depart: 19 Apr 2026 · Return: 26 Apr 2026 Price found 01 Dec 2025, 23:51

From Newcastle

From Newcastle (NTL), Australia to Chicago, United States (ORD): $1,871

Depart: 05 May 2026 · Return: 22 Sep 2026 Price found 01 Dec 2025, 14:36

From Townsville

From Townsville (TSV), Australia to Chicago, United States (ORD): $1,977

Depart: 13 Jun 2026 · Return: 04 Jul 2026 Price found 01 Dec 2025, 12:19

From Canberra

From Canberra (CBR), Australia to Chicago, United States (ORD): $2,048

Depart: 16 Jan 2026 · Return: 23 Jan 2026 Price found 02 Dec 2025, 22:39

From Hobart

From Hobart (HBA), Australia to Chicago, United States (ORD): $2,059

Depart: 16 Jan 2026 · Return: 23 Jan 2026 Price found 02 Dec 2025, 04:03

From Gold Coast

From Gold Coast (OOL), Australia to Chicago, United States (ORD): $2,085

Depart: 12 Jul 2026 · Return: 08 Aug 2026 Price found 01 Dec 2025, 13:03

From Darwin

From Darwin (DRW), Australia to Chicago, United States (ORD): $2,197

Depart: 16 Jan 2026 · Return: 23 Jan 2026 Price found 03 Dec 2025, 22:42

From Launceston

From Launceston (LST), Australia to Chicago, United States (ORD): $2,975

Depart: 15 Jan 2026 · Return: 22 Jan 2026 Price found 01 Dec 2025, 20:30

From Cairns

From Cairns (CNS), Australia to Chicago, United States (ORD): $3,274

Depart: 09 Jun 2026 · Return: 30 Jun 2026 Price found 03 Dec 2025, 08:48

Choose Site / Currency

AUD/Australia