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Look for other cheap flights to Chicago O'Hare Intl

$686 Cheap flights to Chicago O'Hare Intl Airport

1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Australia to Chicago O'Hare Intl Airport

Cheap return flights

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Cathay Pacific Logo
12:20 - 13:55BNE  Brisbane-ORD Chicago O'Hare Intl
40h 35m1 stop Hong Kong Intl
Cathay Pacific Logo
16:15 - 22:30ORD  Chicago O'Hare Intl-BNE Brisbane
39h 15m1 stop Hong Kong Intl
$1,767Cathay Pacific
Thu, 29 Apr - Thu, 13 May
Multiple Airlines Logo
13:35 - 07:05MEL  Melbourne-ORD Chicago O'Hare Intl
34h 30m2 stops Nadi Los Angeles
Multiple Airlines Logo
05:40 - 12:20ORD  Chicago O'Hare Intl-MEL Melbourne
37h 40m2 stops Los Angeles Nadi
$1,788Multiple Airlines
Thu, 4 Mar - Thu, 11 Mar
Cathay Pacific Logo
00:45 - 12:30MEL  Melbourne-ORD Chicago O'Hare Intl
28h 45m1 stop Hong Kong Intl
Cathay Pacific Logo
14:10 - 12:30ORD  Chicago O'Hare Intl-MEL Melbourne
29h 20m1 stop Hong Kong Intl
$1,792Cathay Pacific
Wed, 3 Mar - Thu, 11 Mar
Air New Zealand Logo
14:05 - 20:40SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
23h 35m2 stops Auckland Intl Los Angeles
Air New Zealand Logo
14:33 - 08:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
25h 02m2 stops San Francisco Auckland Intl
$1,852Air New Zealand
Wed, 20 Jan - Tue, 9 Feb
Multiple Airlines Logo
06:00 - 13:30BNE  Brisbane-ORD Chicago O'Hare Intl
46h 30m2 stops Perth Hong Kong Intl
Multiple Airlines Logo
16:15 - 22:30ORD  Chicago O'Hare Intl-BNE Brisbane
39h 15m1 stop Hong Kong Intl
$1,865Multiple Airlines
Wed, 17 Mar - Tue, 4 May
Air New Zealand Logo
11:55 - 22:29SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
27h 34m2 stops Auckland Intl San Francisco
Air New Zealand Logo
14:29 - 10:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
27h 06m2 stops Los Angeles Auckland Intl
$1,889Air New Zealand
Thu, 19 Nov - Wed, 2 Dec
American Airlines Logo
22:45 - 12:30MEL  Melbourne-ORD Chicago O'Hare Intl
30h 45m1 stop Los Angeles
American Airlines Logo
15:52 - 11:30ORD  Chicago O'Hare Intl-MEL Melbourne
26h 38m2 stops Dallas/Fort Worth Brisbane
$2,023American Airlines
Thu, 4 Feb - Mon, 8 Feb
American Airlines Logo
22:45 - 18:23MEL  Melbourne-ORD Chicago O'Hare Intl
36h 38m1 stop Los Angeles
American Airlines Logo
18:20 - 10:35ORD  Chicago O'Hare Intl-MEL Melbourne
25h 15m2 stops Dallas/Fort Worth Sydney Kingsford Smith
$2,025American Airlines
Mon, 18 Jan - Sun, 30 May
Qantas Airways Logo
21:25 - 16:54SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
36h 29m1 stop San Francisco
Qantas Airways Logo
16:55 - 09:00ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
23h 05m1 stop Los Angeles
$2,146Qantas Airways
Wed, 20 Jan - Tue, 9 Feb
Qantas Airways Logo
11:10 - 15:16SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
21h 06m1 stop Los Angeles
Qantas Airways Logo
06:49 - 06:55ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
31h 06m2 stops Cincinnati Cinci./N. Kentucky Dallas/Fort Worth
$2,494Qantas Airways
Thu, 26 Nov - Thu, 3 Dec

momondo Fare Finder

 
Use the filters below to find and compare flights to Chicago O'Hare Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

BrisbaneChicago

BNE Brisbane - ORD Chicago O'Hare Intl

BNEORD

Brisbane

Thu 29/4

12:20-13:55

1 stop40h 35m

Chicago O'Hare Intl

Thu 13/5

16:15-22:30

1 stop39h 15m

$1,767

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Thu 4/3

13:35-07:05

2 stops34h 30m

Chicago O'Hare Intl

Thu 11/3

05:40-12:20

2 stops37h 40m

$1,788

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Wed 3/3

00:45-12:30

1 stop28h 45m

Chicago O'Hare Intl

Thu 11/3

14:10-12:30

1 stop29h 20m

$1,792
Fastest return journey

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Wed 20/1

14:05-20:40

2 stops23h 35m

Chicago O'Hare Intl

Tue 9/2

14:33-08:35

2 stops25h 02m

$1,852

BrisbaneChicago

BNE Brisbane - ORD Chicago O'Hare Intl

BNEORD

Brisbane

Wed 17/3

06:00-13:30

2 stops46h 30m

Chicago O'Hare Intl

Tue 4/5

16:15-22:30

1 stop39h 15m

$1,865

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Thu 19/11

11:55-22:29

2 stops27h 34m

Chicago O'Hare Intl

Wed 2/12

14:29-10:35

2 stops27h 06m

$1,889

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Thu 4/2

22:45-12:30

1 stop30h 45m

Chicago O'Hare Intl

Mon 8/2

15:52-11:30

2 stops26h 38m

$2,023

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Mon 18/1

22:45-18:23

1 stop36h 38m

Chicago O'Hare Intl

Sun 30/5

18:20-10:35

2 stops25h 15m

$2,025

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Wed 20/1

21:25-16:54

1 stop36h 29m

Chicago O'Hare Intl

Tue 9/2

16:55-09:00

1 stop23h 05m

$2,146

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Thu 26/11

11:10-15:16

1 stop21h 06m

Chicago O'Hare Intl

Thu 3/12

06:49-06:55

2 stops31h 06m

$2,494

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Flights to Chicago O'Hare Intl Airport – Travel Insights & Trends

Get data-powered insights and trends for flights to Chicago O'Hare Intl Airport to help you craft the best travel plan.

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of May is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from Australia, with most prices found around $1,614. If you are unable to visit Chicago O'Hare Intl Airport during the month of May, then departing from Australia during the month March is also very affordable. Most momondo users find prices during this month for around $1,620.

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 $2,152 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 $1,274 on momondo.

Cheapest flights to Chicago O'Hare Intl

Find the cheapest flights to Chicago O'Hare Intl from your nearest city or airport

Cheap Chicago O'Hare Intl Airport flight deals and tips

Summary info about Chicago O'Hare Intl Airport flight prices, duration and airlines

Best One-Way Price

$686

Best Round-Trip Price

$1,788

Fastest flight time

28h 46m

Popular in

July
The best one-way flight price to Chicago from Australia in the last 5 days is $686 (Sydney Kingsford Smith to Chicago O'Hare Intl).
Search Deals
The best return flight price to Chicago from Australia in the last 5 days is $1,788 (Melbourne to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from Australia takes 28h 46m (Brisbane to Chicago O'Hare Intl).
Search Deals
July has the highest demand for flights to Chicago, with a 11% price increase on average.
Search Deals

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

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

In general, when looking for the cheapest flight to Chicago O'Hare Intl Airport, try to choose a flight departing in October for the best deal.

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

In general, most flyers find the cheapest time to book a flight to Chicago O'Hare Intl Airport is about 45 days prior.

Is there an alternative airport near Chicago O'Hare Intl Airport?

Those flying to Chicago O'Hare Intl Airport could potentially find better pricing at Chicago Midway Airport (14 km from Chicago city centre) or Chicago Greater Rockford Airport (126 km from Chicago city centre) depending on the month and departure airport.

Is there a cheaper alternative to flying into Chicago?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Chicago is Chicago Midway Airport where the average price is $378. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

Which airlines fly to Chicago O'Hare Intl Airport?

There are 8 airlines that fly to Chicago O'Hare Intl Airport on a routine basis, but Qantas Airways, American Airlines and United Airlines happen to be the most popular among our users. In the past year, 38% of those who searched for flights to Chicago O'Hare Intl Airport looked to travel with Qantas Airways, making this airline the top choice among momondo travellers.

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

Prices for flights to Chicago O'Hare Intl Airport are updated daily.

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

The number of operators available for flights to Chicago O'Hare Intl Airport is 8 as of November 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Chicago O'Hare Intl Airport.

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

The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Rosemont
Elk Grove Village
Skokie

Why use momondo?

Why should I use momondo to find a flight deal 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.

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?

Once you have performed a search for flights to Chicago, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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