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Cheap flights from Australia to Chicago from $840

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Chicago departing on 21/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Australia to Chicago

Recent return flight deals from Australia to Chicago

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:15 - 09:20SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
35h 05m3 stops Nadi Los Angeles Atlanta Hartsfield-Jackson
Multiple Airlines Logo
06:00 - 11:50ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
38h 50m3 stops Dallas/Fort Worth Los Angeles Nadi
$1,144Multiple Airlines
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
13:15 - 06:17SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
32h 02m2 stops Nadi Los Angeles
Multiple Airlines Logo
06:30 - 22:25ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
48h 55m3 stops Denver Intl Los Angeles Nadi
$1,161Multiple Airlines
Tue, 8 Sep - Tue, 22 Sep
Qantas Airways Logo
06:25 - 15:54SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
24h 29m2 stops Melbourne Los Angeles
Qantas Airways Logo
21:10 - 21:15ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
57h 05m2 stops Los Angeles Melbourne
$1,721Qantas Airways
Mon, 31 Aug - Tue, 15 Sep
Air New Zealand Logo
09:55 - 23:05SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
28h 10m2 stops Auckland Intl Los Angeles
Air New Zealand Logo
16:00 - 08:45ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
25h 45m2 stops San Francisco Auckland Intl
$1,734Air New Zealand
Tue, 8 Sep - Tue, 22 Sep
Air New Zealand Logo
08:15 - 20:37MEL  Melbourne-ORD Chicago O'Hare Intl
29h 22m2 stops Auckland Intl Los Angeles
Air New Zealand Logo
12:45 - 08:55ORD  Chicago O'Hare Intl-MEL Melbourne
27h 10m2 stops Los Angeles Auckland Intl
$1,803Air New Zealand
Wed, 18 Nov - Fri, 11 Dec
American Airlines Logo
11:20 - 06:05SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
35h 45m1 stop Los Angeles
American Airlines Logo
08:05 - 06:25ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
29h 20m1 stop San Francisco
$2,053American Airlines
Wed, 11 Nov - Sun, 15 Nov
American Airlines Logo
11:20 - 06:05SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
35h 45m1 stop Los Angeles
American Airlines Logo
08:05 - 06:25ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
29h 20m1 stop San Francisco
$2,059American Airlines
Wed, 11 Nov - Sun, 15 Nov
Cathay Pacific Logo
07:25 - 13:55MEL  Melbourne-ORD Chicago O'Hare Intl
45h 30m1 stop Hong Kong Intl
Cathay Pacific Logo
16:15 - 12:15ORD  Chicago O'Hare Intl-MEL Melbourne
28h 00m1 stop Hong Kong Intl
$2,091Cathay Pacific
Wed, 30 Sep - Wed, 7 Oct
Qantas Airways Logo
09:10 - 14:54SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 44m1 stop Los Angeles
Qantas Airways Logo
19:03 - 07:30ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
21h 27m1 stop Los Angeles
$2,122Qantas Airways
Mon, 7 Sep - Tue, 22 Sep
Cathay Pacific Logo
23:45 - 13:55MEL  Melbourne-ORD Chicago O'Hare Intl
29h 10m1 stop Hong Kong Intl
Cathay Pacific Logo
16:15 - 15:50ORD  Chicago O'Hare Intl-MEL Melbourne
31h 35m2 stops Hong Kong Intl Brisbane
$2,179Cathay Pacific
Wed, 30 Sep - Wed, 7 Oct

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Qantas Airways flights from Australia to Chicago

Our best Qantas Airways deals on Australia to Chicago flight tickets
Qantas Airways
31 Aug
SYD06:25Sydney Kingsford Smith
24h 29m
2 stops
ORD15:54Chicago O'Hare Intl
15 Sept
ORD21:10Chicago O'Hare Intl
57h 05m
2 stops
SYD21:15Sydney Kingsford Smith
$1,721
Qantas Airways
27 Aug
PER23:45Perth
29h 09m
2 stops
ORD15:54Chicago O'Hare Intl
10 Sept
ORD17:50Chicago O'Hare Intl
29h 35m
2 stops
PER12:25Perth
$1,937
Qantas Airways
7 Sept
SYD09:10Sydney Kingsford Smith
20h 44m
1 stop
ORD14:54Chicago O'Hare Intl
22 Sept
ORD19:03Chicago O'Hare Intl
21h 27m
1 stop
SYD07:30Sydney Kingsford Smith
$2,122

Air New Zealand flights from Australia to Chicago

Our best Air New Zealand deals on Australia to Chicago flight tickets
Air New Zealand
8 Sept
SYD09:55Sydney Kingsford Smith
28h 10m
2 stops
ORD23:05Chicago O'Hare Intl
22 Sept
ORD16:00Chicago O'Hare Intl
25h 45m
2 stops
SYD08:45Sydney Kingsford Smith
$1,734
Air New Zealand
18 Nov
BNE11:15Brisbane
26h 34m
2 stops
ORD21:49Chicago O'Hare Intl
15 Feb
ORD14:10Chicago O'Hare Intl
24h 50m
2 stops
BNE07:00Brisbane
$1,741
Air New Zealand
18 Nov
BNE11:15Brisbane
25h 22m
2 stops
ORD20:37Chicago O'Hare Intl
15 Feb
ORD07:15Chicago O'Hare Intl
31h 45m
2 stops
BNE07:00Brisbane
$1,743

momondo Fare Finder

 
Customise your flight search to find flights from Australia to Chicago 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, momondo users made 78,305 searches. Data last updated 17 August 2026.
Use the filters below to find and compare flights from Australia to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Wed 9/9

13:15-09:20

3 stops35h 05m

Chicago O'Hare Intl

Wed 16/9

06:00-11:50

3 stops38h 50m

$1,144

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Tue 8/9

13:15-06:17

2 stops32h 02m

Chicago O'Hare Intl

Tue 22/9

06:30-22:25

3 stops48h 55m

$1,161

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Mon 31/8

06:25-15:54

2 stops24h 29m

Chicago O'Hare Intl

Tue 15/9

21:10-21:15

2 stops57h 05m

$1,721

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Tue 8/9

09:55-23:05

2 stops28h 10m

Chicago O'Hare Intl

Tue 22/9

16:00-08:45

2 stops25h 45m

$1,734

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Wed 18/11

08:15-20:37

2 stops29h 22m

Chicago O'Hare Intl

Fri 11/12

12:45-08:55

2 stops27h 10m

$1,803

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Wed 11/11

11:20-06:05

1 stop35h 45m

Chicago O'Hare Intl

Sun 15/11

08:05-06:25

1 stop29h 20m

$2,053

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Wed 11/11

11:20-06:05

1 stop35h 45m

Chicago O'Hare Intl

Sun 15/11

08:05-06:25

1 stop29h 20m

$2,059

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Wed 30/9

07:25-13:55

1 stop45h 30m

Chicago O'Hare Intl

Wed 7/10

16:15-12:15

1 stop28h 00m

$2,091
Fastest return journey

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Mon 7/9

09:10-14:54

1 stop20h 44m

Chicago O'Hare Intl

Tue 22/9

19:03-07:30

1 stop21h 27m

$2,122

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Wed 30/9

23:45-13:55

1 stop29h 10m

Chicago O'Hare Intl

Wed 7/10

16:15-15:50

2 stops31h 35m

$2,179

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Australia to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chicago?

If you don’t want to visit Chicago in October, then you should wait until May to fly from Australia, when ticket prices are also cheap, with an average price of $1,604.

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $1,960 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Australia for as low as $1,235 on momondo.

Can stopping save me money on Australia to Chicago flights?

You could potentially save up to 17% on your flight if you consider stops on a Australia to Chicago flight.

Cheap Australia to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Chicago

Best price found

$840

Fastest flight time

20h 10m

Direct flights

None
The best one-way flight to Chicago from Australia in the past 72 hours is $840. The best return flight deal from Australia to Chicago found on momondo in the last 72 hours is $1,144.
The fastest flight from Australia to Chicago takes 20h 10m
There are no direct flights from Australia to Chicago. There are no popular flight routes from Australia to Chicago.
Search flight deals

Frequently asked questions about flying from Australia to Chicago

  • When did momondo last update prices for flights from Australia to Chicago?

    Prices for flights from Australia to Chicago are updated daily.

  • How many operators does momondo search for flights from Australia to Chicago?

  • How old do you have to be to fly from Australia to Chicago?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Australia to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Australia to Chicago

Compare and see reviews for airlines that fly from Australia to Chicago with momondo
Airline
Rating
Free cancellation
Price
American AirlinesPriceFrom $589Free cancellationRating
7.1
11,943 reviews
Search American Airlines flights
Air CanadaPriceFrom $1,069Free cancellationRating
7.1
11,483 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,239Free cancellationRating
7.4
10,106 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,249Free cancellationRating
7.5
1,083 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,326Free cancellationRating
8.0
662 reviews
Search Air New Zealand flights
Japan AirlinesPriceFrom $1,376Free cancellationRating
8.3
1,904 reviews
Search Japan Airlines flights
Cathay PacificPriceFrom $1,679Free cancellationRating
7.6
1,453 reviews
Search Cathay Pacific flights
Virgin AustraliaPriceFrom $2,143Free cancellationRating
7.6
470 reviews
Search Virgin Australia flights

Why use momondo?

Why should I use momondo to find a flight deal from Australia to Chicago?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Australia.

Can I find flights from Australia to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Australia with this policy.

How can momondo help me find flights from Australia to Chicago?

momondo provides multiple filters to help you find the best flight to Chicago from Australia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Australia to Chicago right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Australia to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 25.6 km from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport