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Cheap flights from Illinois to Brisbane from $965

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BNE
11 Sep — 18 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Brisbane

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Brisbane
Explore the most affordable flight options available from Illinois to Brisbane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 August 2026.

Mon 7/919:20 -
1 stop31h 10m
Mon 14/922:10 -
1 stop31h 55m
Deal found 8/8$1,788
Sun 25/1007:00 -
2 stops36h 00m
Sat 31/1011:15 -
2 stops25h 34m
Deal found 10/8$1,796
Mon 14/919:48 -
1 stop20h 17m
Tue 22/910:15 -
1 stop19h 28m
Deal found 10/8$1,847
Sun 20/915:48 -
2 stops35h 37m
Sun 4/1011:20 -
2 stops32h 55m
Deal found 8/8$1,863
Sun 6/919:20 -
1 stop31h 10m
Sun 13/922:10 -
1 stop31h 55m
Deal found 9/8$1,867
Sun 20/915:40 -
1 stop24h 25m
Sun 4/1010:00 -
1 stop19h 43m
Deal found 11/8$1,870
Wed 16/916:40 -
2 stops34h 45m
Wed 7/1008:40 -
2 stops29h 15m
Deal found 10/8$1,871
Wed 23/912:10 -
2 stops27h 55m
Wed 30/910:00 -
2 stops23h 41m
Deal found 10/8$1,878
Sat 5/912:10 -
2 stops51h 55m
Sat 10/1019:40 -
3 stops39h 20m
Deal found 11/8$1,928
Wed 23/912:10 -
2 stops27h 55m
Wed 30/919:30 -
3 stops39h 30m
Deal found 10/8$2,010
Sat 5/909:31 -
2 stops40h 59m
Sat 10/1022:10 -
2 stops37h 47m
Deal found 11/8$2,173
Thu 24/1208:05 -
2 stops31h 25m
Thu 31/1211:40 -
2 stops26h 39m
Deal found 7/8$2,282

Find flight deals from Illinois to Brisbane

Keep the following information in mind while searching for Illinois to Brisbane flight deals. Data was last updated 12 August 2026.

Round-trip from

$1,730

One-way from

$965

Popular in

October

Cheapest in

January

Average price

$2,089
Air New Zealand
  • Air New Zealand
  • 19/1-1/2
  • 4 total stops
  • 54h 24m total
  • Illinois to Brisbane
Search Deals
2/12
  • 2/12
  • 2 total stops
  • 31h 50m total
  • Illinois to Brisbane
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($481 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($121 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Illinois to Brisbane that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 12 August 2026.
Use the filters below to find and compare flights from Illinois to Brisbane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisBrisbane

STL Lambert-St Louis - BNE Brisbane

STLBNE

Lambert-St Louis

Mon 25/1

16:57-12:50

2 stops27h 53m

Brisbane

Wed 24/2

09:40-18:11

1 stop24h 31m

$1,731
Fastest return journey

St. LouisBrisbane

STL Lambert-St Louis - BNE Brisbane

STLBNE

Lambert-St Louis

Sat 30/1

19:06-07:30

1 stop20h 24m

Brisbane

Wed 3/2

11:40-17:53

1 stop22h 13m

$1,837

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Mon 7/9

19:20-17:30

1 stop31h 10m

Brisbane

Mon 14/9

22:10-15:05

1 stop31h 55m

$1,864

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Sat 19/9

19:20-17:30

1 stop31h 10m

Brisbane

Fri 2/10

06:05-15:05

2 stops48h 00m

$2,252

ChicagoBrisbane

MDW Chicago Midway - BNE Brisbane

MDWBNE

Chicago Midway

Fri 5/2

13:05-08:30

2 stops27h 25m

Brisbane

Fri 19/2

10:40-16:50

2 stops22h 10m

$2,278

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Mon 21/9

19:20-17:30

1 stop31h 10m

Brisbane

Sat 3/10

16:55-15:05

2 stops37h 10m

$2,361

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Mon 7/9

19:20-17:30

1 stop31h 10m

Brisbane

Sat 12/9

22:10-15:05

1 stop31h 55m

$2,455

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Sat 12/12

15:50-06:30

1 stop22h 40m

Brisbane

Tue 5/1

09:40-16:16

1 stop22h 36m

$2,472

ChicagoBrisbane

ORD Chicago O'Hare Intl - BNE Brisbane

ORDBNE

Chicago O'Hare Intl

Sat 12/12

12:45-07:30

2 stops26h 45m

Brisbane

Tue 5/1

11:40-21:46

2 stops26h 06m

$2,480

ChicagoBrisbane

MDW Chicago Midway - BNE Brisbane

MDWBNE

Chicago Midway

Mon 14/9

17:10-06:45

2 stops46h 35m

Brisbane

Tue 22/9

08:30-22:44

2 stops29h 14m

$3,397

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 34 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Brisbane

Have a flexible travel schedule? Discover the best time to fly to Brisbane from Illinois 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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Brisbane

What is the cheapest month to book a flight from Illinois to Brisbane?

Currently, April is the cheapest month in which you can book a flight from Illinois to Brisbane (average of $1,465). Flying from Illinois to Brisbane in December is currently the most expensive (average of $2,666). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Illinois to Brisbane?

Airfare is below average for this route at the moment.
Illinois to Brisbane flights typically cost between $2,183 and $2,313 in January.
The cheapest return price found within the last 5 days was $1,730 on Air New Zealand (19 Jan–1 Feb).

Related info for your journey

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

  • What airport do you fly into for flights to Brisbane from Illinois?

    Brisbane (BNE), located 12.3 km from the city centre, is the airport you fly into when you book flights from Illinois to Brisbane.

  • How long is the flight from Illinois to Brisbane?

    Airlines like Qantas Airways, United Airlines, and Qatar Airways fly from Illinois to Brisbane in about 20h 24m. The time it takes to get you to your destination can typically vary by up to 10h 46m. There are 14074 km between Illinois and Brisbane. This flight may include one or multiple stops.

  • What are the most popular routes from Illinois to Brisbane?

    While some choose either Chicago Midway - Brisbane or Lambert-St Louis - Brisbane, Chicago O'Hare Intl - Brisbane is the most popular route from Illinois to Brisbane.

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

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

  • How can I find direct flights from Illinois to Brisbane?

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

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

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

  • What is the cheapest month to book a flight from Illinois to Brisbane?

    Currently, April is the cheapest month in which you can book a flight from Illinois to Brisbane (average of $1,465). Flying from Illinois to Brisbane in December is currently the most expensive (average of $2,666). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Brisbane?

Book flights to Brisbane if you plan to visit one of these locations
Redcliffe
Ipswich
Caboolture

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

When you search for this flight from Illinois to Brisbane, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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 Brisbane from Illinois.

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

Need flexible booking options for your flight to Brisbane from Illinois? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Illinois to Brisbane 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.

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