Which airlines fly to Illinois?

Qantas Airways, Air Canada and United Airlines are the top three most popular airlines that fly to Illinois from New South Wales according to our data. Qantas Airways is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from New South Wales to Illinois?

United Airlines and Delta are the most popular carriers operating from New South Wales to Illinois

When did momondo last update prices for flights from New South Wales to Illinois?

Prices for flights from New South Wales to Illinois are refreshed on a daily basis.

How many operators does momondo search for flights from New South Wales to Illinois?

As of April 2026, there are 6 operators available to choose from for flights from New South Wales to Illinois.

How old do you have to be to fly from New South Wales to Illinois?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New South Wales to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$698 Cheap Flights from New South Wales to Illinois in 2026

1 adult

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New South Wales to Illinois

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:15 - 05:50

SYD

ORD

31h 35m

2 stops

08:30 - 11:50

ORD

SYD

36h 20m

3 stops

$1,495Multiple Airlines

Mon, 4 May - Fri, 8 May

13:15 - 05:59

SYD

ORD

31h 44m

2 stops

07:15 - 11:50

ORD

SYD

37h 35m

2 stops

$1,523Multiple Airlines

Sat, 9 May - Sun, 31 May

11:45 - 04:45

SYD

ORD

32h 00m

2 stops

17:45 - 19:10

ORD

SYD

34h 25m

1 stop

$1,593ANA

Tue, 8 Sep - Fri, 11 Sep

17:50 - 06:04

SYD

ORD

27h 14m

1 stop

21:13 - 07:30

ORD

SYD

43h 17m

1 stop

$1,674Multiple Airlines

Wed, 3 Jun - Tue, 23 Jun

11:45 - 04:45

SYD

ORD

32h 00m

2 stops

17:45 - 09:25

ORD

SYD

24h 40m

1 stop

$1,676ANA

Wed, 2 Sep - Fri, 11 Sep

09:20 - 20:43

SYD

STL

26h 23m

2 stops

16:48 - 07:20

STL

SYD

23h 32m

2 stops

$1,735Air Canada

Wed, 20 May - Thu, 11 Jun

09:20 - 20:25

SYD

STL

26h 05m

2 stops

16:48 - 07:20

STL

SYD

23h 32m

2 stops

$1,752Air Canada

Wed, 20 May - Fri, 12 Jun

09:15 - 18:33

SYD

MDW

24h 18m

2 stops

10:59 - 06:50

MDW

SYD

28h 51m

2 stops

$2,335Delta

Thu, 7 May - Wed, 20 May

09:15 - 18:33

SYD

MDW

24h 18m

2 stops

13:22 - 06:50

MDW

SYD

26h 28m

2 stops

$2,337Delta

Thu, 7 May - Wed, 20 May

11:55 - 23:16

OOL

ORD

26h 21m

2 stops

15:47 - 10:45

ORD

OOL

27h 58m

2 stops

$2,418Air New Zealand

Wed, 29 Jul - Tue, 4 Aug

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ANA flights from New South Wales to Illinois

Our best ANA deals on New South Wales to Illinois flight tickets

ANA

8 Sept

SYD11:45Sydney Kingsford Smith

32h 00m

2 stops

ORD04:45Chicago O'Hare Intl

11 Sept

ORD17:45Chicago O'Hare Intl

34h 25m

1 stop

SYD19:10Sydney Kingsford Smith

$1,593

ANA

2 Sept

SYD11:45Sydney Kingsford Smith

32h 00m

2 stops

ORD04:45Chicago O'Hare Intl

11 Sept

ORD17:45Chicago O'Hare Intl

24h 40m

1 stop

SYD09:25Sydney Kingsford Smith

$1,676

ANA

10 July

SYD11:45Sydney Kingsford Smith

35h 55m

1 stop

ORD08:40Chicago O'Hare Intl

26 July

ORD20:18Chicago O'Hare Intl

31h 52m

2 stops

SYD19:10Sydney Kingsford Smith

$1,860

Air Canada flights from New South Wales to Illinois

Our best Air Canada deals on New South Wales to Illinois flight tickets

Air Canada

20 May

SYD09:20Sydney Kingsford Smith

26h 23m

2 stops

STL20:43Lambert-St Louis

11 June

STL16:48Lambert-St Louis

23h 32m

2 stops

SYD07:20Sydney Kingsford Smith

$1,735

Air Canada

20 May

SYD09:20Sydney Kingsford Smith

26h 05m

2 stops

STL20:25Lambert-St Louis

12 June

STL16:48Lambert-St Louis

23h 32m

2 stops

SYD07:20Sydney Kingsford Smith

$1,752

Air Canada

20 May

SYD09:20Sydney Kingsford Smith

41h 46m

2 stops

STL12:06Lambert-St Louis

28 May

STL13:05Lambert-St Louis

27h 15m

2 stops

SYD07:20Sydney Kingsford Smith

$1,754

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 4/5

13:15-05:50

2 stops31h 35m

Chicago O'Hare Intl

Fri 8/5

08:30-11:50

3 stops36h 20m

$1,495

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 9/5

13:15-05:59

2 stops31h 44m

Chicago O'Hare Intl

Sun 31/5

07:15-11:50

2 stops37h 35m

$1,523

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 8/9

11:45-04:45

2 stops32h 00m

Chicago O'Hare Intl

Fri 11/9

17:45-19:10

1 stop34h 25m

$1,593

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 3/6

17:50-06:04

1 stop27h 14m

Chicago O'Hare Intl

Tue 23/6

21:13-07:30

1 stop43h 17m

$1,674

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 2/9

11:45-04:45

2 stops32h 00m

Chicago O'Hare Intl

Fri 11/9

17:45-09:25

1 stop24h 40m

$1,676

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 20/5

09:20-20:43

2 stops26h 23m

Lambert-St Louis

Thu 11/6

16:48-07:20

2 stops23h 32m

$1,735

Fastest return journey

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 20/5

09:20-20:25

2 stops26h 05m

Lambert-St Louis

Fri 12/6

16:48-07:20

2 stops23h 32m

$1,752

SydneyChicago

SYD - MDW

SYDMDW

Sydney Kingsford Smith

Thu 7/5

09:15-18:33

2 stops24h 18m

Chicago Midway

Wed 20/5

10:59-06:50

2 stops28h 51m

$2,335

SydneyChicago

SYD - MDW

SYDMDW

Sydney Kingsford Smith

Thu 7/5

09:15-18:33

2 stops24h 18m

Chicago Midway

Wed 20/5

13:22-06:50

2 stops26h 28m

$2,337

CoolangattaChicago

OOL - ORD

OOLORD

Coolangatta Gold Coast

Wed 29/7

11:55-23:16

2 stops26h 21m

Chicago O'Hare Intl

Tue 4/8

15:47-10:45

2 stops27h 58m

$2,418

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from New South Wales to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Illinois?

In general, August is the cheapest month to fly from New South Wales to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,463. If you’re not able to fly to Illinois in August, then February is your next best option. Flight prices from New South Wales to Illinois during February average around $1,559.

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

You are more likely to see cheaper flights to Illinois from New South Wales when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $1,844 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from New South Wales for as low as $1,375 on momondo.

Can stopping save me money on New South Wales to Illinois flights?

You could potentially save up to 51% on your flight if you consider stops on a New South Wales to Illinois flight.

Cheap New South Wales to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New South Wales to Illinois

Fastest flight time	20h 08m
Direct flights	None

The fastest flight from New South Wales to Illinois takes 20h 08m

There are no direct flights from New South Wales to Illinois. There are no popular flight routes from New South Wales to Illinois.

Search flight deals

Frequently asked questions about flying from New South Wales to Illinois

When did momondo last update prices for flights from New South Wales to Illinois?
Prices for flights from New South Wales to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from New South Wales to Illinois?
As of April 2026, there are 6 operators available to choose from for flights from New South Wales to Illinois.
How old do you have to be to fly from New South Wales to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New South Wales to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from New South Wales to Illinois

Compare and see reviews for airlines that fly from New South Wales to Illinois with momondo

Airline	Rating	Free cancellation	Price
Air Canada	PriceFrom $1,055	Free cancellation	Rating 7.1 10,934 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,087	Free cancellation	Rating 7.1 11,595 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $1,230	Free cancellation	Rating 7.5 1,019 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,318	Free cancellation	Rating 8.0 627 reviews	Search Air New Zealand flights
United Airlines	PriceFrom $1,378	Free cancellation	Rating 7.4 9,604 reviews	Search United Airlines flights
ANA	PriceFrom $1,464	Free cancellation	Rating 8.4 1,179 reviews	Search ANA flights

Why use momondo?

Why should I use momondo to find a flight deal from New South Wales to Illinois?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New South Wales to Illinois . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from New South Wales to Illinois with flexible booking policies on momondo?

All flight searches from New South Wales to Illinois on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from New South Wales to Illinois?

Once all potential New South Wales to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from New South Wales to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from New South Wales are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.