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Cheap flights from Illinois to Brisbane from $718

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BNE
19 May — 26 May1
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 19 April 2026.

Mon 4/507:15
ORD
-
BNE
2 stops36h 20m
Multiple Airlines
Wed 13/511:35
BNE
-
ORD
3 stops37h 19m
Multiple Airlines
Deal found 16/4$1,699
Fri 29/507:15
ORD
-
BNE
2 stops36h 20m
Multiple Airlines
Fri 3/711:35
BNE
-
ORD
2 stops33h 27m
Multiple Airlines
Deal found 16/4$1,804
Tue 28/706:55
ORD
-
BNE
3 stops36h 45m
Multiple Airlines
Tue 4/811:35
BNE
-
ORD
2 stops33h 44m
Multiple Airlines
Deal found 18/4$1,838
Wed 1/706:55
ORD
-
BNE
3 stops36h 40m
Multiple Airlines
Fri 31/711:35
BNE
-
ORD
2 stops33h 44m
Multiple Airlines
Deal found 17/4$1,874
Wed 1/717:18
STL
-
BNE
2 stops28h 17m
Qantas Airways
Sat 11/709:10
BNE
-
STL
2 stops24h 24m
Qantas Airways
Deal found 16/4$1,943
Thu 25/619:23
STL
-
BNE
2 stops25h 32m
Qantas Airways
Sun 5/708:45
BNE
-
STL
2 stops22h 48m
Qantas Airways
Deal found 15/4$1,949
Sat 27/619:20
STL
-
BNE
2 stops24h 35m
Qantas Airways
Sun 5/706:00
BNE
-
STL
2 stops25h 33m
Qantas Airways
Deal found 15/4$1,950
Sun 31/507:15
ORD
-
BNE
2 stops36h 20m
Multiple Airlines
Sun 7/611:35
BNE
-
ORD
2 stops33h 24m
Multiple Airlines
Deal found 16/4$1,960
Sat 30/517:11
STL
-
BNE
2 stops25h 09m
Qantas Airways
Sat 6/608:00
BNE
-
STL
2 stops25h 30m
Qantas Airways
Deal found 15/4$1,982
Fri 11/915:40
ORD
-
BNE
1 stop24h 25m
Air Canada
Fri 18/910:00
BNE
-
ORD
1 stop19h 48m
Air Canada
Deal found 14/4$2,003
Sun 3/514:00
ORD
-
BNE
3 stops37h 00m
Multiple Airlines
Sat 16/511:55
BNE
-
ORD
3 stops36h 59m
Multiple Airlines
Deal found 16/4$2,010
Wed 29/717:18
STL
-
BNE
2 stops25h 02m
Qantas Airways
Mon 10/809:10
BNE
-
STL
2 stops24h 00m
Qantas Airways
Deal found 16/4$2,176

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 19 April 2026.

Round-trip from

$1,699

One-way from

$718

Popular in

December

Cheapest in

January

Average price

$1,858
4/5-13/5
  • 4/5-13/5
  • 5 total stops
  • 73h 39m total
  • Illinois to Brisbane
Search Deals
6/6
  • 6/6
  • 2 total stops
  • 34h 20m total
  • Illinois to Brisbane
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($120 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 19 April 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

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Mon 7/9

08:49-07:05

1 stop31h 16m

Brisbane

Sat 12/9

20:40-14:48

2 stops33h 08m

$2,199

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sat 2/5

21:56-06:30

2 stops41h 34m

Brisbane

Wed 20/5

10:30-14:54

1 stop19h 24m

$2,206
Fastest return journey

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Mon 4/5

18:56-10:55

2 stops24h 59m

Brisbane

Mon 11/5

20:35-05:47

1 stop24h 12m

$2,213

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sun 17/5

21:51-06:30

1 stop41h 39m

Brisbane

Sun 24/5

10:30-22:59

1 stop27h 29m

$2,218

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Mon 4/5

16:00-06:30

2 stops23h 30m

Brisbane

Mon 11/5

06:55-21:03

2 stops29h 08m

$2,229

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sun 3/5

16:35-06:30

1 stop22h 55m

Brisbane

Sat 16/5

17:05-14:23

2 stops36h 18m

$2,232

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Wed 29/7

19:23-12:20

2 stops25h 57m

Brisbane

Mon 10/8

06:55-15:38

3 stops47h 43m

$2,271

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Thu 25/6

06:01-13:20

3 stops40h 19m

Brisbane

Sun 5/7

10:30-15:46

2 stops44h 16m

$2,271

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sat 27/6

21:50-06:30

2 stops41h 40m

Brisbane

Fri 3/7

10:30-20:25

2 stops24h 55m

$2,300

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sat 30/5

16:45-06:30

2 stops46h 45m

Brisbane

Sat 6/6

16:55-18:17

2 stops40h 22m

$2,426

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 35 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, March is the cheapest month in which you can book a flight from Illinois to Brisbane (average of $983). Flying from Illinois to Brisbane in July is currently the most expensive (average of $1,775). 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?

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 United Airlines fly from Illinois to Brisbane in about 41h 34m. The time it takes to get you to your destination can typically vary by up to . There are 14318 km between Illinois and Brisbane.

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

    While some choose either Lambert-St Louis - Brisbane or Chicago Midway - 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, March is the cheapest month in which you can book a flight from Illinois to Brisbane (average of $983). Flying from Illinois to Brisbane in July is currently the most expensive (average of $1,775). 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?

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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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