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Look for other cheap flights to Chicago

$918 Cheap flights to Chicago

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Chicago departing on 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Australia to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:45 - 11:06
BNE
-
ORD
40h 21m2 stops
Air Canada Logo
15:35 - 08:45
ORD
-
BNE
25h 10m1 stop
$1,365Air Canada
Mon, 19 Jan - Mon, 26 Jan
American Airlines Logo
08:40 - 08:20
BNE
-
ORD
38h 40m2 stops
American Airlines Logo
13:15 - 05:00
ORD
-
BNE
24h 45m2 stops
$1,378American Airlines
Tue, 17 Mar - Wed, 1 Apr
American Airlines Logo
08:40 - 08:20
BNE
-
ORD
38h 40m2 stops
American Airlines Logo
13:40 - 05:00
ORD
-
BNE
24h 20m1 stop
$1,384American Airlines
Tue, 17 Mar - Wed, 1 Apr
United Airlines Logo
11:30 - 17:02
MEL
-
ORD
22h 32m1 stop
United Airlines Logo
20:10 - 09:30
ORD
-
MEL
44h 20m1 stop
$1,512United Airlines
Mon, 19 Jan - Mon, 26 Jan
United Airlines Logo
11:30 - 14:50
MEL
-
ORD
20h 20m1 stop
United Airlines Logo
10:35 - 09:30
ORD
-
MEL
29h 55m2 stops
$1,517United Airlines
Tue, 20 Jan - Tue, 27 Jan
Air New Zealand Logo
11:55 - 23:28
SYD
-
ORD
26h 33m2 stops
Air New Zealand Logo
16:40 - 08:45
ORD
-
SYD
25h 05m2 stops
$1,762Air New Zealand
Sat, 16 May - Sat, 6 Jun
Air New Zealand Logo
11:55 - 21:31
SYD
-
ORD
24h 36m2 stops
Air New Zealand Logo
16:40 - 08:45
ORD
-
SYD
25h 05m2 stops
$1,765Air New Zealand
Sat, 16 May - Sat, 6 Jun
Cathay Pacific Logo
11:35 - 12:55
CNS
-
ORD
65h 20m2 stops
Cathay Pacific Logo
14:35 - 09:55
ORD
-
CNS
27h 20m1 stop
$2,004Cathay Pacific
Wed, 11 Feb - Sun, 15 Feb
Cathay Pacific Logo
11:35 - 12:55
CNS
-
ORD
65h 20m2 stops
Cathay Pacific Logo
14:35 - 09:55
ORD
-
CNS
27h 20m1 stop
$2,009Cathay Pacific
Wed, 11 Feb - Sun, 15 Feb
Qantas Airways Logo
09:25 - 20:39
OOL
-
ORD
27h 14m2 stops
Qantas Airways Logo
11:56 - 10:25
ORD
-
OOL
30h 29m2 stops
$2,182Qantas Airways
Wed, 21 Jan - Wed, 28 Jan

momondo Fare Finder

 
Locate flights to Chicago that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 7 December 2025.
Use the filters below to find and compare flights to Chicago that are best for you.

Fly from

Route

Depart

Return

Price

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Mon 19/1

10:45-11:06

2 stops40h 21m

Chicago O'Hare Intl

Mon 26/1

15:35-08:45

1 stop25h 10m

$1,365

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 17/3

08:40-08:20

2 stops38h 40m

Chicago O'Hare Intl

Wed 1/4

13:15-05:00

2 stops24h 45m

$1,378

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 17/3

08:40-08:20

2 stops38h 40m

Chicago O'Hare Intl

Wed 1/4

13:40-05:00

1 stop24h 20m

$1,384

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 19/1

11:30-17:02

1 stop22h 32m

Chicago O'Hare Intl

Mon 26/1

20:10-09:30

1 stop44h 20m

$1,512

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Tue 20/1

11:30-14:50

1 stop20h 20m

Chicago O'Hare Intl

Tue 27/1

10:35-09:30

2 stops29h 55m

$1,517

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 16/5

11:55-23:28

2 stops26h 33m

Chicago O'Hare Intl

Sat 6/6

16:40-08:45

2 stops25h 05m

$1,762

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 16/5

11:55-21:31

2 stops24h 36m

Chicago O'Hare Intl

Sat 6/6

16:40-08:45

2 stops25h 05m

$1,765

CairnsChicago

CNS - ORD

CNSORD

Cairns

Wed 11/2

11:35-12:55

2 stops65h 20m

Chicago O'Hare Intl

Sun 15/2

14:35-09:55

1 stop27h 20m

$2,004

CairnsChicago

CNS - ORD

CNSORD

Cairns

Wed 11/2

11:35-12:55

2 stops65h 20m

Chicago O'Hare Intl

Sun 15/2

14:35-09:55

1 stop27h 20m

$2,009

CoolangattaChicago

OOL - ORD

OOLORD

Coolangatta Gold Coast

Wed 21/1

09:25-20:39

2 stops27h 14m

Chicago O'Hare Intl

Wed 28/1

11:56-10:25

2 stops30h 29m

$2,182

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Chicago from

Chicago flights insights and trends

Explore insights for your Chicago flight to craft the best travel plan

What is the cheapest month to fly to Chicago?

If you don’t want to visit Chicago in March, then you should wait until February to fly from Australia, when ticket prices are also cheap, with an average price of $1,109.

What is the cheapest day to depart on your flight to Chicago?

Our data shows that Tuesday is the least expensive day to fly to Chicago. Tickets to fly out on this day can be as low as $1,689. Flights from Australia to Chicago on a Saturday will generally be more expensive and average around $1,989. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Chicago?

Our data shows that the cheapest Australia to Chicago flights are usually those with departure times in the afternoon. Our users have found flights to Chicago in the afternoon for as low as $1,686. Flights in the morning are often more expensive, with an average ticket price of $1,866.

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 $1,439 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 $1,162 on momondo.

Cheapest flights to Chicago

Find the cheapest flights to Chicago from your nearest city or airport
Find flights from Sydney to Chicago O'Hare Intl Airport
CHEAPEST MONTH TO FLY TO CHICAGO FROM SYDNEYMarch25% cheaperFlying from Sydney to Chicago costs on average just $1,102 in March
MOST EXPENSIVE MONTH TO FLY TO CHICAGO FROM SYDNEYDecember50% more expensiveIt costs about $2,203 for flights to Chicago from Sydney in December
MOST POPULAR MONTH TO FLY TO CHICAGO FROM SYDNEYJuly316% more users visitedMore momondo users searched in flights to Chicago from Sydney in July than any other month

Cheap Chicago flight deals and tips

Summary info about Chicago flight prices, duration and airlines

Best One-Way Price

$918

Best Round-Trip Price

$1,365

Fastest flight time

19h 43m

Popular in

December
The best one-way flight price to Chicago from Australia in the last 72 hours is $918 (Melbourne to Chicago O'Hare Intl).
Search Deals
The best round-trip flight price to Chicago from Australia in the last 72 hours is $1,365 (Brisbane to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from Australia takes 19h 43m (Brisbane to Chicago O'Hare Intl).
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December has the highest demand for flights to Chicago, with a 7% price increase on average.
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Frequently asked questions about flying to Chicago

When is it best to fly to Chicago to go sightseeing?

Sights like Millennium Park and Art Institute of Chicago are most enjoyable in months with moderate weather conditions like May or June. Plan your flight to Chicago for those months.

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

We recommend purchasing flights from Australia to Chicago 52 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Chicago for $1,463.

Is there an alternative airport near Chicago?

Finding an alternative and possibly cheaper destination airport near Chicago is possible. If you are planning a flight to Chicago, consider booking flights to Chicago Midway Airport (14 km from Chicago city centre) or Chicago Greater Rockford Airport (126 km from Chicago city centre).

Is there a cheaper alternative to flying into Chicago?

You can find deals at Chicago Greater Rockford Airport for $143 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

Are there flights to Near North Side?

Yes. To go to Near North Side, book a flight to Chicago O'Hare Intl which is in Chicago and is about 24.7 km away from Near North Side.

What’s the closest airport to River North?

The closest airport to River North is 24.1 km away - Chicago’s Chicago O'Hare Intl airport.

When did momondo last update prices for flights to Chicago?

Prices for flights to Chicago refresh daily.

How many operators does momondo search for flights to Chicago?

There are 11 operators available for flights to Chicago as of December 2025.

How old do you have to be to fly 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 to Chicago.

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

The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find flights to Chicago on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

Yes. momondo allows you to filter the results for flights to Chicago to just show those with flexible booking policies.

How can momondo help me find flights 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 to Chicago.

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

Yes. momondo can track flight prices for Chicago and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Chicago

Popular Flights to Chicago

Popular routes according to searches in the past day on momondo
Melbourne to Chicago Flightsfrom $897
Sydney Kingsford Smith to Chicago Flightsfrom $1,062
Brisbane to Chicago Flightsfrom $998
Adelaide to Chicago Flightsfrom $981
Coolangatta Gold Coast to Chicago Flightsfrom $1,563
Perth to Chicago Flightsfrom $978
Townsville to Chicago Flightsfrom $2,033
Cairns to Chicago Flightsfrom $1,332