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Cheap flights from Illinois to Brisbane from $813

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BNE
5 Jun — 12 Jun1
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 6 May 2026.

Wed 2/1215:59
STL
-
BNE
2 stops28h 51m
Qantas Airways
Mon 14/1213:10
BNE
-
STL
1 stop26h 47m
Qantas Airways
Deal found 3/5$1,368
Sun 18/1006:30
STL
-
BNE
1 stop31h 30m
Qantas Airways
Sun 8/1113:10
BNE
-
STL
1 stop26h 32m
Qantas Airways
Deal found 1/5$1,850
Sun 18/1006:30
STL
-
BNE
1 stop31h 30m
Qantas Airways
Sun 1/1113:10
BNE
-
STL
1 stop26h 32m
Qantas Airways
Deal found 5/5$1,865
Wed 2/1213:30
STL
-
BNE
2 stops26h 00m
United Airlines
Mon 14/1211:40
BNE
-
STL
2 stops27h 14m
United Airlines
Deal found 3/5$1,899
Tue 4/815:40
ORD
-
BNE
1 stop24h 25m
Air Canada
Wed 16/910:00
BNE
-
ORD
1 stop19h 48m
Air Canada
Deal found 6/5$1,948
Tue 18/821:07
ORD
-
BNE
1 stop40h 53m
Multiple Airlines
Tue 25/811:35
BNE
-
ORD
2 stops33h 44m
Multiple Airlines
Deal found 3/5$1,950
Sat 27/609:42
STL
-
BNE
2 stops28h 18m
American Airlines
Sun 5/707:40
BNE
-
STL
2 stops23h 48m
American Airlines
Deal found 4/5$1,981
Fri 22/514:36
STL
-
BNE
2 stops23h 24m
American Airlines
Mon 1/614:25
BNE
-
STL
2 stops24h 31m
American Airlines
Deal found 5/5$1,999
Tue 20/1017:45
ORD
-
BNE
2 stops28h 45m
ANA
Tue 27/1017:05
BNE
-
ORD
2 stops54h 15m
ANA
Deal found 3/5$2,040
Tue 11/817:50
ORD
-
BNE
2 stops25h 50m
Fiji Airways
Tue 18/811:35
BNE
-
ORD
2 stops24h 27m
Fiji Airways
Deal found 1/5$2,063
Tue 18/816:57
ORD
-
BNE
2 stops26h 43m
Fiji Airways
Tue 25/811:35
BNE
-
ORD
2 stops24h 27m
Fiji Airways
Deal found 3/5$2,065
Thu 25/621:50
ORD
-
BNE
2 stops42h 15m
Air Canada
Sun 5/710:00
BNE
-
ORD
2 stops38h 34m
Air Canada
Deal found 6/5$2,072

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 6 May 2026.

Round-trip from

$1,850

One-way from

$813

Popular in

December

Cheapest in

January

Average price

$1,720
Qantas Airways
  • Qantas Airways
  • 18/10-1/11
  • 2 total stops
  • 58h 02m total
  • Illinois to Brisbane
Search Deals
7/8
  • 7/8
  • 3 total stops
  • 53h 50m total
  • Illinois to Brisbane
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($115 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 6 May 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 - BNE

STLBNE

Lambert-St Louis

Sun 18/10

06:30-05:00

1 stop31h 30m

Brisbane

Sun 8/11

13:10-23:42

1 stop26h 32m

$1,850

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sun 18/10

14:40-11:30

3 stops29h 50m

Brisbane

Sun 8/11

10:45-15:30

2 stops44h 45m

$2,178

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Wed 19/8

17:15-05:00

1 stop20h 45m

Brisbane

Mon 31/8

20:35-07:16

1 stop25h 41m

$2,224

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sun 28/6

19:23-06:30

1 stop20h 07m

Brisbane

Sun 12/7

10:30-10:07

2 stops38h 37m

$2,228

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Fri 28/8

18:20-06:30

1 stop21h 10m

Brisbane

Sun 6/9

10:30-21:12

2 stops25h 42m

$2,247

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Thu 25/6

21:50-07:05

2 stops42h 15m

Brisbane

Sun 5/7

10:00-14:41

1 stop19h 41m

$2,265

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sat 27/6

19:23-10:30

2 stops24h 07m

Brisbane

Sun 5/7

10:30-18:17

1 stop22h 47m

$2,275

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Thu 25/6

06:01-10:30

3 stops37h 29m

Brisbane

Sun 5/7

10:30-18:17

1 stop22h 47m

$2,275

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 7/7

15:57-10:30

2 stops27h 33m

Brisbane

Wed 22/7

10:30-18:35

1 stop23h 05m

$2,275

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Thu 18/6

21:48-06:30

1 stop41h 42m

Brisbane

Sun 28/6

07:05-00:59

2 stops32h 54m

$2,608

Flights are sorted by cheapest return flights first.

Deals found on 5/5

Showing 1-10 of 33 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 Qantas Airways, Air Canada, and United Airlines fly from Illinois to Brisbane in about 20h 07m. The time it takes to get you to your destination can typically vary by up to 11h 23m. 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, 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?

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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