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

Delta, Air Canada, and American Airlines are the most popular carriers operating from New South Wales to Illinois

Which airlines fly to Illinois?

Qantas Airways, Air New Zealand and Air Canada 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 38% 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.

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 June 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.

$887 Cheap Flights from New South Wales to Illinois in 2026

1 adult

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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.

11:15 - 06:01

SYD

ORD

34h 46m

1 stop

08:35 - 06:10

ORD

SYD

28h 35m

1 stop

$1,415American Airlines

Thu, 29 Oct - Sun, 1 Nov

11:15 - 06:01

SYD

ORD

34h 46m

1 stop

10:15 - 06:10

ORD

SYD

26h 55m

1 stop

$1,421American Airlines

Thu, 29 Oct - Sun, 1 Nov

09:15 - 00:41

SYD

STL

30h 26m

2 stops

14:30 - 06:50

STL

SYD

25h 20m

2 stops

$1,446Delta

Wed, 8 Jul - Mon, 20 Jul

12:00 - 18:14

SYD

STL

21h 14m

1 stop

15:32 - 06:55

STL

SYD

24h 23m

1 stop

$1,495Qantas Airways

Mon, 10 Aug - Fri, 4 Sep

12:00 - 18:13

SYD

STL

21h 13m

1 stop

15:32 - 06:55

STL

SYD

24h 23m

1 stop

$1,498Qantas Airways

Mon, 10 Aug - Fri, 4 Sep

10:20 - 23:57

SYD

STL

28h 37m

2 stops

10:53 - 07:00

STL

SYD

29h 07m

2 stops

$1,513United Airlines

Mon, 10 Aug - Fri, 4 Sep

10:20 - 23:57

SYD

STL

28h 37m

2 stops

08:42 - 06:55

STL

SYD

31h 13m

1 stop

$1,516United Airlines

Mon, 10 Aug - Fri, 4 Sep

09:20 - 23:57

SYD

STL

29h 37m

2 stops

19:05 - 07:20

STL

SYD

45h 15m

3 stops

$1,666Air Canada

Wed, 22 Jul - Sun, 26 Jul

09:20 - 23:57

SYD

STL

29h 37m

2 stops

19:05 - 07:20

STL

SYD

45h 15m

3 stops

$1,668Air Canada

Wed, 22 Jul - Sun, 26 Jul

09:15 - 18:18

SYD

MDW

24h 03m

2 stops

13:14 - 06:50

MDW

SYD

26h 36m

2 stops

$1,982Delta

Fri, 17 Jul - Wed, 30 Sep

Cathay Pacific flights from New South Wales to Illinois

Our best Cathay Pacific deals on New South Wales to Illinois flight tickets

Cathay Pacific

20 Oct

OOL10:25Coolangatta Gold Coast

42h 30m

2 stops

ORD13:55Chicago O'Hare Intl

24 Oct

ORD16:15Chicago O'Hare Intl

50h 25m

2 stops

OOL09:40Coolangatta Gold Coast

$2,323

Cathay Pacific

20 Oct

OOL10:25Coolangatta Gold Coast

42h 30m

2 stops

ORD13:55Chicago O'Hare Intl

24 Oct

ORD16:15Chicago O'Hare Intl

50h 25m

2 stops

OOL09:40Coolangatta Gold Coast

$2,327

American Airlines flights from New South Wales to Illinois

Our best American Airlines deals on New South Wales to Illinois flight tickets

American Airlines

29 Oct

SYD11:15Sydney Kingsford Smith

34h 46m

1 stop

ORD06:01Chicago O'Hare Intl

1 Nov

ORD08:35Chicago O'Hare Intl

28h 35m

1 stop

SYD06:10Sydney Kingsford Smith

$1,415

American Airlines

29 Oct

SYD11:15Sydney Kingsford Smith

34h 46m

1 stop

ORD06:01Chicago O'Hare Intl

1 Nov

ORD10:15Chicago O'Hare Intl

26h 55m

1 stop

SYD06:10Sydney Kingsford Smith

$1,421

American Airlines

29 Oct

SYD11:15Sydney Kingsford Smith

34h 46m

1 stop

ORD06:01Chicago O'Hare Intl

1 Nov

ORD10:15Chicago O'Hare Intl

26h 55m

1 stop

SYD06:10Sydney Kingsford Smith

$1,422

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 29/10

11:15-06:01

1 stop34h 46m

Chicago O'Hare Intl

Sun 1/11

08:35-06:10

1 stop28h 35m

$1,415

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 29/10

11:15-06:01

1 stop34h 46m

Chicago O'Hare Intl

Sun 1/11

10:15-06:10

1 stop26h 55m

$1,421

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 8/7

09:15-00:41

2 stops30h 26m

Lambert-St Louis

Mon 20/7

14:30-06:50

2 stops25h 20m

$1,446

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 10/8

12:00-18:14

1 stop21h 14m

Lambert-St Louis

Fri 4/9

15:32-06:55

1 stop24h 23m

$1,495

Fastest return journey

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 10/8

12:00-18:13

1 stop21h 13m

Lambert-St Louis

Fri 4/9

15:32-06:55

1 stop24h 23m

$1,498

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 10/8

10:20-23:57

2 stops28h 37m

Lambert-St Louis

Fri 4/9

10:53-07:00

2 stops29h 07m

$1,513

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 10/8

10:20-23:57

2 stops28h 37m

Lambert-St Louis

Fri 4/9

08:42-06:55

1 stop31h 13m

$1,516

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 22/7

09:20-23:57

2 stops29h 37m

Lambert-St Louis

Sun 26/7

19:05-07:20

3 stops45h 15m

$1,666

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 22/7

09:20-23:57

2 stops29h 37m

Lambert-St Louis

Sun 26/7

19:05-07:20

3 stops45h 15m

$1,668

SydneyChicago

SYD - MDW

SYDMDW

Sydney Kingsford Smith

Fri 17/7

09:15-18:18

2 stops24h 03m

Chicago Midway

Wed 30/9

13:14-06:50

2 stops26h 36m

$1,982

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, December 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 $653. If you’re not able to fly to Illinois in December, then August is your next best option. Flight prices from New South Wales to Illinois during August average around $874.

How far in advance should I book a flight from New South Wales 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 $1,376 on momondo.

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

You could potentially save up to 2% 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 07m
Direct flights	None

The fastest flight from New South Wales to Illinois takes 20h 07m

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 June 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 $1,056	Free cancellation	Rating 7.1 11,111 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $1,231	Free cancellation	Rating 7.5 1,042 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,232	Free cancellation	Rating 7.1 11,646 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,319	Free cancellation	Rating 8.0 645 reviews	Search Air New Zealand flights
United Airlines	PriceFrom $1,379	Free cancellation	Rating 7.4 9,778 reviews	Search United Airlines flights
ANA	PriceFrom $1,491	Free cancellation	Rating 8.3 1,219 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.