Which airlines fly to Illinois?

Qantas Airways, United Airlines and Air Canada are the top three most popular airlines that fly to Illinois from Australia according to our data. Qantas Airways is the first choice among our users, with 61% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 10 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?

American Airlines, Cathay Pacific, and Air Canada 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 Melbourne or Sydney, and flying into Illinois, then you can expect flight times to average 20h 12m and 20h 23m, 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 April 2025, there are 10 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.

$634 Cheap Flights from Australia to Illinois in 2025

1 adult

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Find the cheapest flights from Australia to Illinois

Round-trip

One-way

Last minute

Recent return flight deals from Australia to Illinois

KAYAK's recommended return flight deals from the most popular airlines that fly from Australia to Illinois.

20:05 - 05:13BNE-ORD

24h 08m2 stops

08:39 - 05:25ORD-BNE

29h 46m1 stop

$1,298American Airlines

Find Deal

Mon, 12 May - Tue, 20 May

20:05 - 05:13BNE-ORD

24h 08m2 stops

08:39 - 05:25ORD-BNE

29h 46m1 stop

$1,300American Airlines

Find Deal

Fri, 9 May - Tue, 20 May

20:05 - 05:17BNE-ORD

24h 12m2 stops

11:44 - 05:25ORD-BNE

26h 41m2 stops

$1,312British Airways

Find Deal

Fri, 25 Apr - Thu, 8 May

10:20 - 07:59BNE-ORD

36h 39m2 stops

15:35 - 07:05ORD-BNE

24h 30m1 stop

$1,701Air Canada

Find Deal

Tue, 10 Jun - Tue, 17 Jun

09:20 - 15:05SYD-ORD

44h 45m2 stops

19:58 - 07:20ORD-SYD

44h 22m2 stops

$1,742Air Canada

Find Deal

Wed, 21 May - Wed, 28 May

10:55 - 00:59MEL-ORD

29h 04m1 stop

08:50 - 08:15ORD-MEL

32h 25m1 stop

$2,085United Airlines

Find Deal

Mon, 23 Jun - Tue, 23 Sep

10:20 - 16:45SYD-STL

21h 25m1 stop

17:18 - 09:05STL-SYD

46h 47m2 stops

$2,100United Airlines

Find Deal

Mon, 18 Aug - Sat, 8 Nov

09:45 - 21:24MEL-ORD

26h 39m1 stop

10:00 - 06:45ORD-MEL

29h 45m1 stop

$2,110Qantas Airways

Find Deal

Mon, 28 Jul - Tue, 5 Aug

09:10 - 23:35SYD-ORD

29h 25m1 stop

20:40 - 07:05ORD-SYD

43h 25m1 stop

$2,302Qantas Airways

Find Deal

Sat, 21 Jun - Sat, 19 Jul

17:40 - 14:49ADL-ORD

35h 39m3 stops

18:25 - 13:10ORD-ADL

28h 15m2 stops

$2,941Virgin Australia

Find Deal

Tue, 6 May - Wed, 21 May

American Airlines flights from Australia to Illinois

Our best American Airlines deals on Australia to Illinois flight tickets

American Airlines

12 May

BNE20:05Brisbane

24h 08m

2 stops

ORD05:13Chicago O'Hare Intl

20 May

ORD08:39Chicago O'Hare Intl

29h 46m

1 stop

BNE05:25Brisbane

$1,298

Find similar

American Airlines

9 May

BNE20:05Brisbane

24h 08m

2 stops

ORD05:13Chicago O'Hare Intl

20 May

ORD08:39Chicago O'Hare Intl

29h 46m

1 stop

BNE05:25Brisbane

$1,300

Find similar

American Airlines

12 May

BNE20:05Brisbane

24h 05m

1 stop

ORD05:10Chicago O'Hare Intl

20 May

ORD13:33Chicago O'Hare Intl

24h 52m

1 stop

BNE05:25Brisbane

$1,313

Find similar

British Airways flights from Australia to Illinois

Our best British Airways deals on Australia to Illinois flight tickets

British Airways

25 Apr

BNE20:05Brisbane

24h 12m

2 stops

ORD05:17Chicago O'Hare Intl

8 May

ORD11:44Chicago O'Hare Intl

26h 41m

2 stops

BNE05:25Brisbane

$1,312

Find similar

British Airways

25 Apr

BNE20:05Brisbane

25h 01m

1 stop

ORD06:06Chicago O'Hare Intl

8 May

ORD12:09Chicago O'Hare Intl

26h 16m

2 stops

BNE05:25Brisbane

$1,315

Find similar

British Airways

25 Apr

BNE20:05Brisbane

25h 01m

1 stop

ORD06:06Chicago O'Hare Intl

8 May

ORD13:33Chicago O'Hare Intl

24h 52m

1 stop

BNE05:25Brisbane

$1,320

Find similar

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, March 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 $1,239. If you’re not able to fly to Illinois in March, then February is your next best option. Flight prices from Australia to Illinois during February average around $1,257.

What is the cheapest day to depart on your flight to Illinois?

On average, the least expensive day to fly to Illinois from Australia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,859. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $2,189. These prices are subject to change though, so be sure to set up a Price Alert for flights to Illinois.

What is the cheapest time of day to depart on your flight to Illinois?

According to our data, the cheapest time of day to fly to Illinois is in the afternoon. momondo users have found flights departing from Australia to Illinois in the afternoon for as low as $1,856. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Illinois are more costly in the morning, with an average ticket price of $2,053. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 20 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $1,762 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Australia for as low as $1,419 on momondo.

Cheap Australia to Illinois flight deals and tips

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

Best price found	$634
Fastest flight time	19h 23m
Direct flights	None
Airports in Illinois	3 airports

The best one-way flight to Illinois from Australia in the past 72 hours is $634. The best return flight deal from Australia to Illinois found on momondo in the last 72 hours is $1,298.

The fastest flight from Australia to Illinois takes 19h 23m

There are no direct flights from Australia to Illinois. Popular non-direct routes for this connection are Brisbane Airport - Chicago O'Hare Intl Airport, Sydney Kingsford Smith Airport - Chicago O'Hare Intl Airport and Melbourne Airport - Chicago O'Hare Intl Airport.

There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

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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 April 2025, there are 10 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 $759	Free cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $1,054	Free cancellation	Rating 7.5 816 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $1,280	Free cancellation	Rating 8.0 463 reviews	Search Air New Zealand flights
Air Canada	PriceFrom $1,394	Free cancellation	Rating 7.0 9,055 reviews	Search Air Canada flights
United Airlines	PriceFrom $1,682	Free cancellation	Rating 7.4 8,629 reviews	Search United Airlines flights
ANA	PriceFrom $1,783	Free cancellation	Rating 8.3 835 reviews	Search ANA flights
Virgin Australia	PriceFrom $1,838	Free cancellation	Rating 7.5 396 reviews	Search Virgin Australia flights
Delta	PriceFrom $1,936	Free cancellation	Rating 8.0 7,902 reviews	Search Delta flights
Cathay Pacific	PriceFrom $2,168	Free cancellation	Rating 7.5 843 reviews	Search Cathay Pacific flights
Japan Airlines	PriceFrom $2,196	Free cancellation	Rating 8.3 1,439 reviews	Search Japan Airlines 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.