Look for other cheap flights to Chicago

$679 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 17/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Australia to Chicago

Cheap return flights

Air Canada Logo
10:45 - 16:44BNE-ORD
21h 59m1 stop
Air Canada Logo
07:15 - 08:45ORD-BNE
33h 30m2 stops
$1,257Air Canada
Find Deal
Thu, 13 Nov - Sat, 29 Nov
Air Canada Logo
07:10 - 15:00MEL-ORD
23h 50m2 stops
Air Canada Logo
15:45 - 13:05ORD-MEL
29h 20m2 stops
$1,257Air Canada
Find Deal
Wed, 8 Oct - Tue, 21 Oct
Air Canada Logo
07:10 - 15:00MEL-ORD
23h 50m2 stops
Air Canada Logo
15:45 - 12:35ORD-MEL
28h 50m2 stops
$1,259Air Canada
Find Deal
Wed, 8 Oct - Mon, 20 Oct
United Airlines Logo
11:55 - 19:35MEL-ORD
23h 40m2 stops
United Airlines Logo
19:40 - 09:15ORD-MEL
21h 35m1 stop
$1,262United Airlines
Find Deal
Wed, 8 Oct - Mon, 20 Oct
United Airlines Logo
10:30 - 14:45MEL-ORD
20h 15m1 stop
United Airlines Logo
15:47 - 09:15ORD-MEL
25h 28m1 stop
$1,268United Airlines
Find Deal
Wed, 8 Oct - Tue, 21 Oct
Cathay Pacific Logo
00:10 - 13:00BNE-ORD
28h 50m1 stop
Cathay Pacific Logo
14:40 - 10:30ORD-BNE
27h 50m1 stop
$1,702Cathay Pacific
Find Deal
Wed, 12 Nov - Sat, 29 Nov
Cathay Pacific Logo
00:10 - 13:00BNE-ORD
28h 50m1 stop
Cathay Pacific Logo
14:40 - 10:30ORD-BNE
27h 50m1 stop
$1,760Cathay Pacific
Find Deal
Sun, 16 Nov - Fri, 21 Nov
Virgin Australia Logo
14:55 - 06:02ADL-ORD
31h 37m1 stop
Virgin Australia Logo
21:05 - 09:30ORD-ADL
43h 55m1 stop
$1,939Virgin Australia
Find Deal
Sat, 13 Dec - Sun, 28 Dec
Qantas Airways Logo
22:55 - 16:50PER-ORD
54h 55m2 stops
Qantas Airways Logo
06:45 - 10:20ORD-PER
38h 35m2 stops
$2,069Qantas Airways
Find Deal
Sun, 12 Oct - Sun, 19 Oct
Virgin Australia Logo
14:55 - 19:42ADL-ORD
21h 17m1 stop
Virgin Australia Logo
18:25 - 14:10ORD-ADL
27h 15m2 stops
$2,637Virgin Australia
Find Deal
Sat, 13 Dec - Sun, 28 Dec

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 30 August 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

Thu 13/11

10:45-16:44

1 stop21h 59m

Chicago O'Hare Intl

Sat 29/11

07:15-08:45

2 stops33h 30m

$1,257

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 8/10

07:10-15:00

2 stops23h 50m

Chicago O'Hare Intl

Tue 21/10

15:45-13:05

2 stops29h 20m

$1,257

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 8/10

07:10-15:00

2 stops23h 50m

Chicago O'Hare Intl

Mon 20/10

15:45-12:35

2 stops28h 50m

$1,259

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 8/10

11:55-19:35

2 stops23h 40m

Chicago O'Hare Intl

Mon 20/10

19:40-09:15

1 stop21h 35m

$1,262

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 8/10

10:30-14:45

1 stop20h 15m

Chicago O'Hare Intl

Tue 21/10

15:47-09:15

1 stop25h 28m

$1,268

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 12/11

00:10-13:00

1 stop28h 50m

Chicago O'Hare Intl

Sat 29/11

14:40-10:30

1 stop27h 50m

$1,702

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Sun 16/11

00:10-13:00

1 stop28h 50m

Chicago O'Hare Intl

Fri 21/11

14:40-10:30

1 stop27h 50m

$1,760

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 13/12

14:55-06:02

1 stop31h 37m

Chicago O'Hare Intl

Sun 28/12

21:05-09:30

1 stop43h 55m

$1,939

PerthChicago

PER - ORD

PERORD

Perth

Sun 12/10

22:55-16:50

2 stops54h 55m

Chicago O'Hare Intl

Sun 19/10

06:45-10:20

2 stops38h 35m

$2,069

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 13/12

14:55-19:42

1 stop21h 17m

Chicago O'Hare Intl

Sun 28/12

18:25-14:10

2 stops27h 15m

$2,637

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

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 February, then you should wait until March to fly from Australia, when ticket prices are also cheap, with an average price of $1,139.

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 $1,717. Flights from Australia to Chicago on a Saturday will generally be more expensive and average around $2,022. 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 $1,714. Flights in the morning are often more expensive, with an average ticket price of $1,896.

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 $1,561 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 $1,187 on momondo.

Cheapest flights to Chicago

Find the cheapest flights to Chicago from your nearest city or airport
CHEAPEST MONTH TO FLY TO CHICAGO FROM SYDNEYFebruary29% cheaperFlying from Sydney to Chicago costs on average just $1,133 in February
MOST EXPENSIVE MONTH TO FLY TO CHICAGO FROM SYDNEYDecember51% more expensiveIt costs about $2,410 for flights to Chicago from Sydney in December
MOST POPULAR MONTH TO FLY TO CHICAGO FROM SYDNEYJuly245% 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

$679

Best Round-Trip Price

$1,257

Fastest flight time

21h 14m

Popular in

December
The best one-way flight price to Chicago from Australia in the last 72 hours is $679 (Sydney Kingsford Smith to Chicago O'Hare Intl).
The best round-trip flight price to Chicago from Australia in the last 72 hours is $1,257 (Brisbane to Chicago O'Hare Intl).
The fastest flight to Chicago from Australia takes 21h 14m (Sydney Kingsford Smith to Chicago O'Hare Intl).
December has the highest demand for flights to Chicago, with a 18% price increase on average.

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 82 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 $1,586.

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 $146 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Chicago?

The best price found on momondo to Chicago was $78/pp from New York, which is 63% cheaper than the average flight price to Chicago. To find the cheapest price to Chicago from your area, use momondo’s Airport-to-Airport Pricing Tool.

Are there flights to West Town?

Yes. To go to West Town, book a flight to Chicago O'Hare Intl which is in Chicago and is about 21.4 km away from West Town.

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?

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.

An easier way to manage your Chicago trip

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