Which airlines fly to Illinois?

Air New Zealand, Air Canada and Qantas Airways are the top three most popular airlines that fly to Illinois from Australia according to our data. Air New Zealand is the first choice among our users, with 27% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 9 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 Australia to Illinois?

United Airlines, Delta, and Air New Zealand are the most popular carriers operating from Australia to Illinois

How long is the flight from Australia to Illinois?

If you’re flying from a popular airport in Australia, such as Brisbane or Sydney, and flying into Illinois, then you can expect flight times to average 20h 04m and 21h 16m, respectively.

When did momondo last update prices for flights from Australia to Illinois?

Prices for flights from Australia to Illinois are updated daily.

How many operators does momondo search for flights from Australia to Illinois?

As of June 2026, there are 8 operators available to choose from for flights from Australia to Illinois.

How old do you have to be to fly from Australia to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Illinois.

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

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$790 Cheap Flights from Australia to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Illinois

Round-trip

One-way

Last minute

Recent return flight deals from Australia to Illinois

Enter your travel dates to find the best prices.

09:45 - 16:50

MEL

ORD

22h 05m

1 stop

22:35 - 06:45

ORD

MEL

41h 10m

1 stop

$1,327American Airlines

Mon, 27 Jul - Sun, 9 Aug

09:45 - 16:50

MEL

ORD

22h 05m

1 stop

09:00 - 06:45

ORD

MEL

30h 45m

1 stop

$1,330American Airlines

Mon, 27 Jul - Sun, 9 Aug

10:55 - 18:35

MEL

ORD

22h 40m

1 stop

15:57 - 07:30

ORD

MEL

24h 33m

2 stops

$1,343United Airlines

Sun, 19 Jul - Wed, 29 Jul

10:55 - 19:05

MEL

ORD

23h 10m

2 stops

15:57 - 07:30

ORD

MEL

24h 33m

2 stops

$1,348United Airlines

Wed, 15 Jul - Wed, 29 Jul

09:30 - 14:35

MEL

ORD

20h 05m

1 stop

14:30 - 07:30

ORD

MEL

26h 00m

2 stops

$1,350United Airlines

Wed, 15 Jul - Wed, 29 Jul

09:30 - 23:16

MEL

ORD

28h 46m

1 stop

21:30 - 07:30

ORD

MEL

43h 00m

1 stop

$1,367Air New Zealand

Fri, 24 Jul - Sun, 2 Aug

09:10 - 22:59

SYD

STL

28h 49m

1 stop

06:30 - 07:05

STL

SYD

33h 35m

1 stop

$1,477Qantas Airways

Wed, 26 Aug - Wed, 9 Sep

09:55 - 22:36

SYD

ORD

29h 41m

2 stops

14:10 - 08:45

ORD

SYD

25h 35m

2 stops

$1,700Air New Zealand

Thu, 19 Nov - Wed, 6 Jan

06:00 - 00:07

ADL

ORD

32h 37m

2 stops

09:45 - 09:25

ORD

ADL

33h 10m

2 stops

$1,717Qantas Airways

Thu, 30 Jul - Thu, 6 Aug

06:05 - 16:36

ADL

ORD

25h 01m

2 stops

18:06 - 19:10

ORD

ADL

33h 34m

2 stops

$2,756Virgin Australia

Tue, 25 Aug - Wed, 7 Oct

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American Airlines flights from Australia to Illinois

Our best American Airlines deals on Australia to Illinois flight tickets

American Airlines

27 July

MEL09:45Melbourne

30h 06m

2 stops

ORD00:51Chicago O'Hare Intl

9 Aug

ORD07:00Chicago O'Hare Intl

32h 45m

1 stop

MEL06:45Melbourne

$1,327

American Airlines

27 July

MEL09:45Melbourne

22h 05m

1 stop

ORD16:50Chicago O'Hare Intl

9 Aug

ORD09:00Chicago O'Hare Intl

30h 45m

1 stop

MEL06:45Melbourne

$1,330

American Airlines

27 July

MEL09:45Melbourne

23h 23m

2 stops

ORD18:08Chicago O'Hare Intl

9 Aug

ORD13:29Chicago O'Hare Intl

26h 16m

2 stops

MEL06:45Melbourne

$1,351

United Airlines flights from Australia to Illinois

Our best United Airlines deals on Australia to Illinois flight tickets

United Airlines

19 July

MEL10:55Melbourne

22h 40m

1 stop

ORD18:35Chicago O'Hare Intl

29 July

ORD15:57Chicago O'Hare Intl

24h 33m

2 stops

MEL07:30Melbourne

$1,343

United Airlines

15 July

MEL10:55Melbourne

23h 10m

2 stops

ORD19:05Chicago O'Hare Intl

29 July

ORD15:57Chicago O'Hare Intl

24h 33m

2 stops

MEL07:30Melbourne

$1,348

United Airlines

15 July

MEL09:30Melbourne

20h 05m

1 stop

ORD14:35Chicago O'Hare Intl

29 July

ORD13:00Chicago O'Hare Intl

27h 30m

1 stop

MEL07:30Melbourne

$1,350

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 27/7

09:45-16:50

1 stop22h 05m

Chicago O'Hare Intl

Sun 9/8

22:35-06:45

1 stop41h 10m

$1,327

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 27/7

09:45-16:50

1 stop22h 05m

Chicago O'Hare Intl

Sun 9/8

09:00-06:45

1 stop30h 45m

$1,330

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sun 19/7

10:55-18:35

1 stop22h 40m

Chicago O'Hare Intl

Wed 29/7

15:57-07:30

2 stops24h 33m

$1,343

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 15/7

10:55-19:05

2 stops23h 10m

Chicago O'Hare Intl

Wed 29/7

15:57-07:30

2 stops24h 33m

$1,348

Fastest return journey

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 15/7

09:30-14:35

1 stop20h 05m

Chicago O'Hare Intl

Wed 29/7

14:30-07:30

2 stops26h 00m

$1,350

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 24/7

09:30-23:16

1 stop28h 46m

Chicago O'Hare Intl

Sun 2/8

21:30-07:30

1 stop43h 00m

$1,367

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Wed 26/8

09:10-22:59

1 stop28h 49m

Lambert-St Louis

Wed 9/9

06:30-07:05

1 stop33h 35m

$1,477

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 19/11

09:55-22:36

2 stops29h 41m

Chicago O'Hare Intl

Wed 6/1

14:10-08:45

2 stops25h 35m

$1,700

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 30/7

06:00-00:07

2 stops32h 37m

Chicago O'Hare Intl

Thu 6/8

09:45-09:25

2 stops33h 10m

$1,717

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 25/8

06:05-16:36

2 stops25h 01m

Chicago O'Hare Intl

Wed 7/10

18:06-19:10

2 stops33h 34m

$2,756

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 Australia 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

Other information

What is the cheapest month to fly to Illinois?

In general, September is the cheapest month to fly from Australia to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $174. If you’re not able to fly to Illinois in September, then October is your next best option. Flight prices from Australia to Illinois during October average around $184.

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

You are more likely to see cheaper flights to Illinois from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $1,885 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 Australia for as low as $1,451 on momondo.

Can stopping save me money on Australia to Illinois flights?

You could potentially save up to 11% on your flight if you consider stops on a Australia to Illinois flight.

Cheap Australia to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Illinois

Fastest flight time	19h 14m
Direct flights	None

The fastest flight from Australia to Illinois takes 19h 14m

There are no direct flights from Australia to Illinois. There are no popular flight routes from Australia to Illinois.

Search flight deals

Frequently asked questions about flying from Australia to Illinois

When did momondo last update prices for flights from Australia to Illinois?
Prices for flights from Australia to Illinois are updated daily.
How many operators does momondo search for flights from Australia to Illinois?
As of June 2026, there are 8 operators available to choose from for flights from Australia to Illinois.
How old do you have to be to fly from Australia to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Australia to Illinois

Compare and see reviews for airlines that fly from Australia to Illinois with momondo

Airline	Rating	Free cancellation	Price
American Airlines	PriceFrom $590	Free cancellation	Rating 7.1 11,667 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $1,025	Free cancellation	Rating 7.5 1,047 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $1,071	Free cancellation	Rating 7.1 11,197 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,085	Free cancellation	Rating 8.0 645 reviews	Search Air New Zealand flights
United Airlines	PriceFrom $1,241	Free cancellation	Rating 7.4 9,842 reviews	Search United Airlines flights
Japan Airlines	PriceFrom $1,379	Free cancellation	Rating 8.3 1,839 reviews	Search Japan Airlines flights
ANA	PriceFrom $1,511	Free cancellation	Rating 8.3 1,236 reviews	Search ANA flights
Cathay Pacific	PriceFrom $1,681	Free cancellation	Rating 7.6 1,380 reviews	Search Cathay Pacific flights
Virgin Australia	PriceFrom $2,146	Free cancellation	Rating 7.6 462 reviews	Search Virgin Australia flights

Why use momondo?

Why should I use momondo to find a flight deal from Australia to Illinois?

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

Can I find flights from Australia to Illinois with flexible booking policies on momondo?

Yes. All flights to Illinois from Australia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Australia to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Australia.

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

Of course. momondo tracks the price of Australia to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.