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Cheap flights from Australia to Chicago from $704

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 4/9. 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

Discover deals from 900+ travel sites with momondo.

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.
Air Canada Logo
10:45 - 14:37BNE  Brisbane-ORD Chicago O'Hare Intl
19h 52m1 stop Vancouver Intl
Air Canada Logo
15:30 - 08:45ORD  Chicago O'Hare Intl-BNE Brisbane
25h 15m1 stop Vancouver Intl
$1,327Air Canada
Tue, 3 Nov - Sun, 8 Nov
Air Canada Logo
06:05 - 19:58BNE  Brisbane-ORD Chicago O'Hare Intl
29h 53m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
Air Canada Logo
15:30 - 08:45ORD  Chicago O'Hare Intl-BNE Brisbane
25h 15m1 stop Vancouver Intl
$1,365Air Canada
Tue, 3 Nov - Sun, 8 Nov
Multiple Airlines Logo
18:25 - 14:43PER  Perth-ORD Chicago O'Hare Intl
33h 18m2 stops Singapore Changi Vancouver Intl
Multiple Airlines Logo
15:30 - 19:40ORD  Chicago O'Hare Intl-PER Perth
38h 10m2 stops Vancouver Intl Singapore Changi
$1,612Multiple Airlines
Mon, 19 Oct - Tue, 3 Nov
Multiple Airlines Logo
17:50 - 14:37PER  Perth-ORD Chicago O'Hare Intl
34h 47m2 stops Singapore Changi Vancouver Intl
Multiple Airlines Logo
15:30 - 19:40ORD  Chicago O'Hare Intl-PER Perth
38h 10m2 stops Vancouver Intl Singapore Changi
$1,612Multiple Airlines
Mon, 2 Nov - Tue, 17 Nov
Qantas Airways Logo
06:25 - 15:54SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
24h 29m2 stops Melbourne Los Angeles Los Angeles
Qantas Airways Logo
17:50 - 15:45ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
30h 55m2 stops Los Angeles Los Angeles Melbourne
$1,683Qantas Airways
Fri, 28 Aug - Sat, 12 Sep
Cathay Pacific Logo
00:45 - 13:55MEL  Melbourne-ORD Chicago O'Hare Intl
29h 10m1 stop Hong Kong Intl
Cathay Pacific Logo
15:35 - 23:00ORD  Chicago O'Hare Intl-MEL Melbourne
39h 25m1 stop Hong Kong Intl
$1,685Cathay Pacific
Tue, 20 Oct - Wed, 28 Oct
Cathay Pacific Logo
22:20 - 12:55SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
31h 35m1 stop Hong Kong Intl
Cathay Pacific Logo
14:35 - 09:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
26h 00m1 stop Hong Kong Intl
$1,693Cathay Pacific
Mon, 16 Nov - Mon, 30 Nov
Air New Zealand Logo
12:10 - 21:36MEL  Melbourne-ORD Chicago O'Hare Intl
26h 26m2 stops Auckland Intl Houston George Bush Intcntl
Air New Zealand Logo
10:34 - 08:55ORD  Chicago O'Hare Intl-MEL Melbourne
29h 21m2 stops Houston George Bush Intcntl Auckland Intl
$1,740Air New Zealand
Mon, 2 Nov - Tue, 17 Nov
Air New Zealand Logo
12:10 - 22:59MEL  Melbourne-ORD Chicago O'Hare Intl
27h 49m2 stops Auckland Intl Los Angeles Los Angeles
Air New Zealand Logo
14:22 - 08:55ORD  Chicago O'Hare Intl-MEL Melbourne
25h 33m2 stops Houston George Bush Intcntl Auckland Intl
$1,740Air New Zealand
Tue, 3 Nov - Tue, 17 Nov
Qantas Airways Logo
09:10 - 14:54SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 44m1 stop Los Angeles Los Angeles
Qantas Airways Logo
13:29 - 06:25ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
25h 56m1 stop San Francisco
$2,334Qantas Airways
Thu, 27 Aug - Fri, 11 Sep

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Air Canada flights from Australia to Chicago O'Hare Intl Airport

Our best Air Canada deals on Australia to Chicago O'Hare Intl Airport flight tickets
Air Canada
8 Sept
SYD09:20Sydney Kingsford Smith
37h 31m
2 stops
ORD07:51Chicago O'Hare Intl
22 Sept
ORD15:40Chicago O'Hare Intl
24h 40m
1 stop
SYD07:20Sydney Kingsford Smith
$1,371
Air Canada
8 Sept
SYD09:20Sydney Kingsford Smith
37h 31m
3 stops
ORD07:51Chicago O'Hare Intl
22 Sept
ORD15:40Chicago O'Hare Intl
24h 40m
1 stop
SYD07:20Sydney Kingsford Smith
$1,382
Air Canada
25 Aug
SYD09:20Sydney Kingsford Smith
20h 16m
1 stop
ORD14:36Chicago O'Hare Intl
9 Sept
ORD11:05Chicago O'Hare Intl
29h 15m
2 stops
SYD07:20Sydney Kingsford Smith
$1,395

Philippine Airlines flights from Australia to Chicago O'Hare Intl Airport

Our best Philippine Airlines deals on Australia to Chicago O'Hare Intl Airport flight tickets
Philippine Airlines
16 Nov
PER08:35Perth
22h 20m
1 stop
ORD16:55Chicago O'Hare Intl
30 Nov
ORD22:45Chicago O'Hare Intl
42h 35m
1 stop
PER07:20Perth
$1,849
Philippine Airlines
1 Feb
PER08:35Perth
22h 20m
1 stop
ORD16:55Chicago O'Hare Intl
19 Feb
ORD22:45Chicago O'Hare Intl
42h 35m
1 stop
PER07:20Perth
$1,909
Philippine Airlines
9 Nov
PER08:35Perth
22h 20m
1 stop
ORD16:55Chicago O'Hare Intl
25 Nov
ORD22:45Chicago O'Hare Intl
42h 35m
1 stop
PER07:20Perth
$1,912

momondo Fare Finder

 
Customise your flight search to find flights from Australia to Chicago O'Hare Intl Airport 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 10 August 2026.
Use the filters below to find and compare flights from Australia to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BrisbaneChicago

BNE Brisbane - ORD Chicago O'Hare Intl

BNEORD

Brisbane

Tue 3/11

10:45-14:37

1 stop19h 52m

Chicago O'Hare Intl

Sun 8/11

15:30-08:45

1 stop25h 15m

$1,327

BrisbaneChicago

BNE Brisbane - ORD Chicago O'Hare Intl

BNEORD

Brisbane

Tue 3/11

06:05-19:58

3 stops29h 53m

Chicago O'Hare Intl

Sun 8/11

15:30-08:45

1 stop25h 15m

$1,365

PerthChicago

PER Perth - ORD Chicago O'Hare Intl

PERORD

Perth

Mon 19/10

18:25-14:43

2 stops33h 18m

Chicago O'Hare Intl

Tue 3/11

15:30-19:40

2 stops38h 10m

$1,612

PerthChicago

PER Perth - ORD Chicago O'Hare Intl

PERORD

Perth

Mon 2/11

17:50-14:37

2 stops34h 47m

Chicago O'Hare Intl

Tue 17/11

15:30-19:40

2 stops38h 10m

$1,612

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Fri 28/8

06:25-15:54

2 stops24h 29m

Chicago O'Hare Intl

Sat 12/9

17:50-15:45

2 stops30h 55m

$1,683

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Tue 20/10

00:45-13:55

1 stop29h 10m

Chicago O'Hare Intl

Wed 28/10

15:35-23:00

1 stop39h 25m

$1,684

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Mon 16/11

22:20-12:55

1 stop31h 35m

Chicago O'Hare Intl

Mon 30/11

14:35-09:35

1 stop26h 00m

$1,693

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Mon 2/11

12:10-21:36

2 stops26h 26m

Chicago O'Hare Intl

Tue 17/11

10:34-08:55

2 stops29h 21m

$1,740

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Tue 3/11

12:10-22:59

2 stops27h 49m

Chicago O'Hare Intl

Tue 17/11

14:22-08:55

2 stops25h 33m

$1,740

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Thu 27/8

09:10-14:54

1 stop20h 44m

Chicago O'Hare Intl

Fri 11/9

13:29-06:25

1 stop25h 56m

$2,334

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Australia to Chicago O'Hare Intl Airport

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 O'Hare Intl Airport?

The month of October is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from Australia, with most prices found around $1,509. If you are unable to visit Chicago O'Hare Intl Airport during the month of October, then departing from Australia during the month November is also very affordable. Most momondo users find prices during this month for around $1,536.

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $1,941 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Australia for as low as $1,238 on momondo.

Can stopping save me money on Australia to Chicago O'Hare Intl Airport flights?

You could potentially save up to 9% on your flight if you consider stops on a Australia to Chicago O'Hare Intl Airport flight.

Cheap Australia to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Chicago O'Hare Intl Airport

Fastest flight time

23h 33m

Direct flights

None
The fastest flight from Australia to Chicago O'Hare Intl Airport takes 23h 33m
There are no direct flights from Australia to Chicago O'Hare Intl Airport. There are no popular flight routes from Australia to Chicago O'Hare Intl Airport.
Search flight deals

Frequently asked questions about flying from Australia to Chicago O'Hare Intl Airport

  • When did momondo last update prices for flights from Australia to Chicago O'Hare Intl Airport?

    Prices for flights from Australia to Chicago O'Hare Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Australia to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Australia to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Australia to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Australia to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free cancellation
Price
American AirlinesPriceFrom $591Free cancellationRating
7.1
11,897 reviews
Search American Airlines flights
Air CanadaPriceFrom $1,071Free cancellationRating
7.1
11,458 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,242Free cancellationRating
7.4
10,095 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,248Free cancellationRating
7.5
1,081 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,329Free cancellationRating
8.0
659 reviews
Search Air New Zealand flights
Japan AirlinesPriceFrom $1,380Free cancellationRating
8.3
1,893 reviews
Search Japan Airlines flights
Cathay PacificPriceFrom $1,683Free cancellationRating
7.5
1,444 reviews
Search Cathay Pacific flights
Virgin AustraliaPriceFrom $2,148Free cancellationRating
7.6
470 reviews
Search Virgin Australia flights

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Skokie

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?

Flights from Australia to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Australia to Chicago.

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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