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Find cheap flights from Illinois to Australia from $496

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Illinois to Australia departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 6/22
Sat 6/29

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In the last 7 days travelers have searched 43,800,826 times on KAYAK, and here is why:

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Good to know

Low season

April

High season

December

Cheapest flight

$496
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 27% increase in price.
Flight from Chicago to Brisbane

FAQs for booking flights from Illinois to Australia

  • How does KAYAK find such low prices on flights from Illinois to Australia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Australia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Australia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Australia from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Australia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Australia with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Australia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Australia from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Illinois to Australia

Recent round-trip flight deals

9/11Wed
1 stopAmerican Airlines
26h 45mORD-SYD
9/24Tue
1 stopAmerican Airlines
29h 46mSYD-ORD
$1,084
9/2Mon
2 stopsAmerican Airlines
30h 20mORD-SYD
9/17Tue
2 stopsAmerican Airlines
27h 24mSYD-ORD
$1,085
10/27Sun
1 stopAir Canada
24h 23mORD-SYD
11/24Sun
1 stopAir Canada
21h 21mSYD-ORD
$1,144
10/27Sun
3 stopsAir Canada
29h 20mORD-SYD
11/24Sun
2 stopsAir Canada
22h 30mSYD-ORD
$1,149
8/6Tue
2 stopsAir New Zealand
24h 15mORD-SYD
8/27Tue
2 stopsAir New Zealand
24h 00mSYD-ORD
$1,189
8/13Tue
2 stopsAir New Zealand
29h 30mORD-BNE
8/20Tue
2 stopsAir New Zealand
23h 35mBNE-ORD
$1,190
6/6Thu
2 stops
29h 45mORD-SYD
6/10Mon
3 stops
32h 21mSYD-ORD
$1,226
6/6Thu
3 stops
32h 43mORD-SYD
6/10Mon
3 stops
32h 21mSYD-ORD
$1,252
10/1Tue
1 stopANA
24h 40mORD-SYD
10/12Sat
2 stopsANA
32h 17mSYD-ORD
$1,303
9/1Sun
1 stopANA
24h 40mORD-SYD
9/8Sun
2 stopsANA
32h 43mSYD-ORD
$1,307

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Recent one-way flight deals

8/12Mon
3 stops
58h 28mORD-BNE
$496
8/20Tue
2 stops
29h 48mORD-SYD
$778
6/12Wed
3 stops
35h 26mORD-SYD
$851
5/26Sun
2 stops
32h 45mORD-SYD
$859
8/5Mon
3 stopsChina Southern
48h 20mORD-SYD
$1,045
8/5Mon
1 stopAir India
28h 10mORD-SYD
$1,052
8/20Tue
1 stopJapan Airlines
26h 45mORD-SYD
$1,057
6/12Wed
2 stopsAir Canada
31h 35mORD-SYD
$1,075
5/26Sun
1 stopAir Canada
24h 40mORD-SYD
$1,139
5/26Sun
1 stopAir India
28h 10mORD-SYD
$1,612

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Last minute flights from Illinois to Australia

Last minute flight, train and bus deals

5/26Sun
multi-stop
22h 03mSTL-SYD
5/28Tue
multi-stop
20h 42mSYD-STL
$1,384
5/27Mon
multi-stopUnited Airlines
32h 45mORD-SYD
6/3Mon
multi-stopUnited Airlines
28h 25mSYD-ORD
$1,390
5/26Sun
multi-stopUnited Airlines
25h 00mORD-BNE
6/11Tue
multi-stopUnited Airlines
25h 34mBNE-ORD
$1,429
5/26Sun
multi-stopQantas Airways
22h 03mSTL-SYD
5/28Tue
multi-stopQantas Airways
45h 12mSYD-STL
$1,607
5/27Mon
multi-stopAir Canada
31h 33mORD-SYD
6/5Wed
multi-stopAir Canada
22h 49mSYD-ORD
$1,632
5/27Mon
multi-stopAir Canada
31h 33mORD-SYD
6/5Wed
multi-stopAir Canada
20h 09mSYD-ORD
$1,665
5/24Fri
multi-stopAustrian Airlines
51h 00mORD-SYD
10/24Thu
multi-stopAustrian Airlines
37h 30mSYD-ORD
$2,018
5/26Sun
multi-stopAmerican Airlines
21h 05mORD-SYD
6/11Tue
multi-stopAmerican Airlines
19h 48mSYD-ORD
$2,084
5/24Fri
multi-stopAmerican Airlines
28h 13mORD-SYD
10/24Thu
multi-stopAmerican Airlines
25h 23mSYD-ORD
$2,184
5/27Mon
multi-stopQantas Airways
23h 44mORD-MEL
5/29Wed
multi-stopQantas Airways
22h 45mMEL-ORD
$12,815

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