What are the cheapest airlines to fly from Australia to Illinois one-way?

To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $693. EVA Air flights start at $1,182 while deals on Cathay Pacific start at $1,256 one-way. Find deals

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

Users have found that booking a flight from Australia to Illinois at least 38 days early can save you up to 57% on average compared to booking a flight this week. If booking 38 days before your flight isn’t an option for you, users have found flights from Australia to Illinois for as little as $1,779 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $2,110 for flights departing within the next 3 days. Find deals

What is the cheapest month to fly from Australia to Illinois?

Flights from Australia to Illinois lean towards being more expensive in December. Prices are generally better when you fly from Australia to Illinois in March, with the cheapest ticket starting at $1,088.

Can I find deals for flights from Australia to Illinois that include hotel bookings?

Yes. In addition to deals on Australia to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Australia to Illinois?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Illinois.

Can I find deals for business class flights from Australia to Illinois?

Yes. Cheapflights offers flight deals from Australia to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,640+ Flights from Australia to Illinois

Cheap flight deals from Australia to Illinois

Round-trip from	$1,056
One-way from	$693

Qantas Airways
1/3-14/3
2 total stops
42h 00m total
Australia to Illinois

Search Deals

Qantas Airways
18/3
1 total stop
20h 01m total
Australia to Illinois

Search Deals

Find flight deals from Australia to Illinois

Cheapest flights from Australia to Illinois
Explore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2025.

Sat 1/309:40BNE - ORD

1 stop19h 16mQantas Airways

Fri 14/315:16ORD - BNE

1 stop22h 44mQantas Airways

Deal found 22/1$1,056

Thu 6/322:00BNE - ORD

1 stop23h 04mMultiple Airlines

Mon 17/314:13ORD - BNE

1 stop23h 47mMultiple Airlines

Deal found 20/1$1,109

Mon 3/311:15SYD - ORD

1 stop21h 35mQantas Airways

Fri 14/320:20ORD - SYD

1 stop20h 40mQantas Airways

Deal found 21/1$1,130

Thu 23/111:15SYD - ORD

1 stop19h 34mMultiple Airlines

Thu 6/208:40ORD - SYD

1 stop31h 20mMultiple Airlines

Deal found 21/1$1,192

Fri 7/311:40BNE - STL

2 stops45h 31mUnited Airlines

Fri 14/313:45STL - BNE

2 stops25h 45mUnited Airlines

Deal found 20/1$1,555

Wed 26/213:45MEL - ORD

2 stops32h 43mMultiple Airlines

Wed 5/316:45ORD - MEL

2 stops26h 30mMultiple Airlines

Deal found 20/1$1,586

Tue 18/209:40BNE - STL

1 stop25h 49mQantas Airways

Tue 25/217:37STL - BNE

1 stop20h 38mQantas Airways

Deal found 21/1$1,600

Tue 4/306:15ADL - ORD

2 stops27h 25mMultiple Airlines

Tue 11/320:20ORD - ADL

2 stops31h 10mMultiple Airlines

Deal found 21/1$1,602

Wed 26/206:45MEL - ORD

2 stops23h 11mQantas Airways

Wed 5/317:40ORD - MEL

2 stops25h 55mQantas Airways

Deal found 20/1$1,603

Tue 18/206:10BNE - STL

3 stops48h 56mMultiple Airlines

Tue 25/215:50STL - BNE

2 stops48h 50mMultiple Airlines

Deal found 21/1$1,614

Sat 8/311:40ADL - ORD

2 stops28h 37mQantas Airways

Sat 15/317:10ORD - ADL

2 stops27h 35mQantas Airways

Deal found 22/1$1,682

Thu 23/111:20SYD - ORD

2 stops49h 35mAir Canada

Thu 6/215:40ORD - SYD

1 stop24h 55mAir Canada

Deal found 21/1$1,741

Best flights from Australia to Illinois
Discover carefully curated flight deals from Australia to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 January 2025.

Sat 1/309:40BNE - ORD

1 stop19h 16mQantas Airways

Fri 14/315:16ORD - BNE

1 stop22h 44mQantas Airways

Deal found 22/1$1,056

Thu 6/322:00BNE - ORD

1 stop23h 04mMultiple Airlines

Mon 17/314:13ORD - BNE

1 stop23h 47mMultiple Airlines

Deal found 20/1$1,109

Fri 7/311:40BNE - STL

2 stops45h 31mUnited Airlines

Fri 14/313:45STL - BNE

2 stops25h 45mUnited Airlines

Deal found 20/1$1,555

Sat 8/322:00BNE - ORD

2 stops22h 00mAmerican Airlines

Sat 22/315:16ORD - BNE

2 stops23h 14mAmerican Airlines

Deal found 21/1$1,768

Thu 13/310:25SYD - STL

2 stops44h 41mAir Canada

Thu 20/313:45STL - SYD

2 stops26h 50mAir Canada

Deal found 21/1$1,822

Mon 10/211:05SYD - MDW

2 stops23h 38mDelta

Mon 17/212:44MDW - SYD

2 stops26h 51mDelta

Deal found 21/1$1,906

Fri 28/200:10BNE - ORD

1 stop28h 50mCathay Pacific

Fri 14/315:40ORD - BNE

1 stop40h 00mCathay Pacific

Deal found 22/1$2,158

Mon 3/311:15SYD - ORD

1 stop21h 35mQantas Airways

Fri 14/320:20ORD - SYD

1 stop20h 40mQantas Airways

Deal found 21/1$1,130

Tue 4/322:00ADL - ORD

1 stop33h 00mQatar Airways

Tue 11/317:15ORD - ADL

2 stops32h 20mQatar Airways

Deal found 21/1$2,421

Tue 18/300:35MEL - ORD

2 stops33h 41mSingapore Airlines

Mon 24/319:16ORD - MEL

2 stops42h 24mSingapore Airlines

Deal found 21/1$2,590

Thu 17/700:55BNE - ORD

2 stops47h 25mJapan Airlines

Mon 4/812:25ORD - BNE

2 stops68h 10mJapan Airlines

Deal found 21/1$2,613

Mon 10/214:00SYD - ORD

2 stops26h 13mMultiple Airlines

Mon 17/211:35ORD - SYD

2 stops31h 55mMultiple Airlines

Deal found 21/1$1,498

Last-minute flights from Australia to Illinois
Discover last-minute flight deals from Australia to Illinois. Data last updated 22 January 2025 and is based on user searches.

Thu 23/111:15SYD - ORD

1 stop19h 34mMultiple Airlines

Thu 6/208:40ORD - SYD

1 stop31h 20mMultiple Airlines

Deal found 21/1$1,192

Thu 23/111:20SYD - ORD

2 stops49h 35mAir Canada

Thu 6/215:40ORD - SYD

1 stop24h 55mAir Canada

Deal found 21/1$1,741

Tue 28/100:15PER - ORD

1 stop26h 45mCathay Pacific

Sat 8/214:40ORD - PER

1 stop42h 05mCathay Pacific

Deal found 21/1$3,264

Wed 29/123:10PER - ORD

2 stops29h 15mMultiple Airlines

Sat 8/215:22ORD - PER

2 stops40h 48mMultiple Airlines

Deal found 21/1$1,744

Wed 29/122:45PER - ORD

1 stop29h 45mQatar Airways

Sat 8/218:30ORD - PER

2 stops58h 15mQatar Airways

Deal found 21/1$2,482

Wed 29/122:20PER - ORD

1 stop30h 35mEmirates

Sat 8/219:45ORD - PER

1 stop31h 35mEmirates

Deal found 21/1$3,202

Mon 10/211:15SYD - ORD

1 stop21h 44mQantas Airways

Mon 17/217:40ORD - SYD

1 stop22h 20mQantas Airways

Deal found 21/1$1,155

Wed 12/209:40BNE - ORD

1 stop20h 45mQantas Airways

Wed 26/214:13ORD - BNE

1 stop22h 47mQantas Airways

Deal found 21/1$1,114

Wed 12/219:50BNE - ORD

3 stops42h 16mMultiple Airlines

Wed 26/216:00ORD - BNE

2 stops24h 40mMultiple Airlines

Deal found 21/1$1,854

Tue 18/211:40BNE - STL

2 stops25h 04mUnited Airlines

Tue 25/210:55STL - BNE

2 stops28h 35mUnited Airlines

Deal found 21/1$1,566

Tue 18/209:40BNE - STL

1 stop25h 49mQantas Airways

Tue 25/217:37STL - BNE

1 stop20h 38mQantas Airways

Deal found 21/1$1,600

Tue 18/206:10BNE - STL

3 stops48h 56mMultiple Airlines

Tue 25/215:50STL - BNE

2 stops48h 50mMultiple Airlines

Deal found 21/1$1,614

One-way flights from Australia to Illinois
Search for one-way flight options from Australia to Illinois. Find affordable one-way fares based on user searches. Data last updated 22 January 2025.

Tue 18/308:05BNE - ORD

1 stop20h 01mQantas Airways

Deal found 21/1$693

Sat 22/311:15SYD - ORD

1 stop24h 28mQantas Airways

Deal found 21/1$717

Tue 11/314:00SYD - ORD

2 stops30h 45mMultiple Airlines

Deal found 21/1$720

Wed 26/214:00SYD - MDW

3 stops27h 17mMultiple Airlines

Deal found 21/1$733

Wed 12/307:05MEL - ORD

3 stops32h 01mMultiple Airlines

Deal found 21/1$742

Tue 18/213:45MEL - MDW

2 stops25h 24mMultiple Airlines

Deal found 21/1$821

Mon 17/307:35BNE - ORD

3 stops30h 31mMultiple Airlines

Deal found 21/1$886

Thu 3/414:00MEL - ORD

2 stops25h 59mQantas Airways

Deal found 21/1$990

Fri 6/612:55ADL - ORD

2 stops45h 10mQantas Airways

Deal found 21/1$1,104

Fri 6/610:05ADL - ORD

3 stops28h 41mMultiple Airlines

Deal found 21/1$1,155

Thu 26/622:15BNE - ORD

1 stop37h 45mEVA Air

Deal found 20/1$1,182

Wed 19/300:10BNE - ORD

1 stop28h 50mCathay Pacific

Deal found 21/1$1,256

Find flights from Australia to Illinois within your budget

Fly from

Fly to

Route

Depart

Return

Price

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Sat 1/3

09:40-12:56

1 stop19h 16m

Chicago O'Hare Intl

Fri 14/3

15:16-05:00

1 stop22h 44m

$1,056

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 6/3

22:00-05:04

1 stop23h 04m

Chicago O'Hare Intl

Mon 17/3

14:13-05:00

1 stop23h 47m

$1,109

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 3/3

11:15-15:50

1 stop21h 35m

Chicago O'Hare Intl

Fri 14/3

20:20-09:00

1 stop20h 40m

$1,130

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 11/3

18:25-17:23

2 stops38h 58m

Chicago O'Hare Intl

Thu 20/3

14:13-09:00

1 stop26h 47m

$1,293

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Fri 7/3

11:40-17:11

2 stops45h 31m

Lambert-St Louis

Fri 14/3

13:45-06:30

2 stops25h 45m

$1,555

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 26/2

13:45-05:28

2 stops32h 43m

Chicago O'Hare Intl

Wed 5/3

16:45-12:15

2 stops26h 30m

$1,586

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Tue 18/2

09:40-19:29

1 stop25h 49m

Lambert-St Louis

Tue 25/2

17:37-06:15

1 stop20h 38m

$1,600

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 4/3

06:15-17:10

2 stops27h 25m

Chicago O'Hare Intl

Tue 11/3

20:20-19:00

2 stops31h 10m

$1,602

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 26/2

06:45-12:56

2 stops23h 11m

Chicago O'Hare Intl

Wed 5/3

17:40-12:35

2 stops25h 55m

$1,603

BrisbaneSt. Louis

BNE - STL

BNESTL

Brisbane

Tue 18/2

06:10-15:06

3 stops48h 56m

Lambert-St Louis

Tue 25/2

15:50-08:40

2 stops48h 50m

$1,614

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 60 results

...

Best time to book a flight from Australia to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Australia with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Australia to Illinois

Get recent, data-driven insights about flights from Australia to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from AU to IL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Illinois as you normally would.

Rainfall in Illinois by month

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Illinois

Get a feel of what it's like to fly with Qantas Airways, Cathay Pacific and Emirates from Australia to Illinois by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui

8.8

Very Good

62 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Korean Air

8.5

Very Good

1,039 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

EVA Air

8.4

Very Good

1,253 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

ANA

8.4

Very Good

852 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Japan Airlines

8.3

Very Good

1,449 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

Related info for your journey

What are the cheapest airlines to fly from Australia to Illinois one-way?
To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $693. EVA Air flights start at $1,182 while deals on Cathay Pacific start at $1,256 one-way.
Can I find deals for flights from Australia to Illinois that include hotel bookings?
Yes. In addition to deals on Australia to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Australia to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Illinois.
Can I find deals for business class flights from Australia to Illinois?
Yes. Cheapflights offers flight deals from Australia to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Australia to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$1,093	Average$2,175	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
American Airlines	Cheapest$1,185	Average$1,907	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Canada	Cheapest$1,422	Average$2,063	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Air New Zealand	Cheapest$1,438	Average$1,892	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights
ANA	Cheapest$1,568	Average$2,124	FlexibilityNo cancel fee	On-time80%	Search ANA flights
United Airlines	Cheapest$1,578	Average$2,492	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
EVA Air	Cheapest$1,608	Average$1,763	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
Virgin Australia	Cheapest$1,776	Average$2,858	FlexibilityNo cancel fee	On-time80%	Search Virgin Australia flights
Delta	Cheapest$1,871	Average$2,005	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Cathay Pacific	Cheapest$1,919	Average$2,393	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights

Fly with Cheapflights

How does Cheapflights help users find flights from Australia to Illinois?

Cheapflights helps you search for flights from Australia to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Australia to Illinois?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Australia.

Can Cheapflights find flights from Australia to Illinois with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Australia to Illinois flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Australia to Illinois become cheaper?

Yes, Cheapflights offers price alerts on Australia to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Australia to Illinois from $688

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Australia to Illinois

Round-trip from

One-way from

Find flight deals from Australia to Illinois

Cheapest flights from Australia to IllinoisExplore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2025.

Explore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2025.

Find flights from Australia to Illinois within your budget

Best time to book a flight from Australia to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Australia with our price prediction graph.

Travel insights for flights from Australia to Illinois

Get recent, data-driven insights about flights from Australia to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from AU to IL?

Find hourly flight availability from Australia to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 January 2025.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

Reviews of airlines servicing Illinois

Related info for your journey

Find useful and relevant information for your journey from Australia to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Australia to Illinois one-way?

Can I find deals for flights from Australia to Illinois that include hotel bookings?

How can I find direct flights from Australia to Illinois?

Can I find deals for business class flights from Australia to Illinois?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Australia to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Australia to Illinois

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Australia to Illinois?

Why should you use Cheapflights to find cheap flight tickets from Australia to Illinois?

Can Cheapflights find flights from Australia to Illinois with no change fees?

Can Cheapflights notify me if prices for flights from Australia to Illinois become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Australia to Illinois
Explore the most affordable flight options available from Australia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2025.