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Look for other cheap flights to Chicago O'Hare Intl

$696 Cheap flights to Chicago O'Hare Intl Airport

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 O'Hare Intl Airport departing on 8/10. 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 O'Hare Intl Airport

Cheap return flights

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
$1,148Multiple 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
$1,172Multiple Airlines
Tue, 8 Sep - Tue, 22 Sep
Air New Zealand Logo
11:15 - 21:49BNE  Brisbane-ORD Chicago O'Hare Intl
26h 34m2 stops Auckland Intl Los Angeles
Air New Zealand Logo
14:10 - 07:00ORD  Chicago O'Hare Intl-BNE Brisbane
24h 50m2 stops Los Angeles Auckland Intl
$1,747Air New Zealand
Wed, 18 Nov - Mon, 15 Feb
Air New Zealand Logo
11:15 - 20:37BNE  Brisbane-ORD Chicago O'Hare Intl
25h 22m2 stops Auckland Intl Los Angeles
Air New Zealand Logo
07:15 - 07:00ORD  Chicago O'Hare Intl-BNE Brisbane
31h 45m2 stops Los Angeles Auckland Intl
$1,748Air New Zealand
Wed, 18 Nov - Mon, 15 Feb
Cathay Pacific Logo
00:40 - 12:55BNE  Brisbane-ORD Chicago O'Hare Intl
28h 15m1 stop Hong Kong Intl
Cathay Pacific Logo
14:35 - 10:30ORD  Chicago O'Hare Intl-BNE Brisbane
27h 55m1 stop Hong Kong Intl
$1,812Cathay Pacific
Tue, 17 Nov - Wed, 17 Feb
Qantas Airways Logo
09:10 - 19:42BNE  Brisbane-ORD Chicago O'Hare Intl
25h 32m2 stops Melbourne Dallas/Fort Worth
Qantas Airways Logo
17:50 - 11:35ORD  Chicago O'Hare Intl-BNE Brisbane
26h 45m2 stops Los Angeles Melbourne
$1,977Qantas Airways
Mon, 31 Aug - Thu, 10 Sep
Qantas Airways Logo
20:45 - 16:51BNE  Brisbane-ORD Chicago O'Hare Intl
35h 06m2 stops Melbourne Los Angeles
Qantas Airways Logo
17:50 - 11:35ORD  Chicago O'Hare Intl-BNE Brisbane
26h 45m2 stops Los Angeles Melbourne
$1,989Qantas Airways
Thu, 27 Aug - Thu, 10 Sep
Cathay Pacific Logo
15:25 - 13:55MEL  Melbourne-ORD Chicago O'Hare Intl
38h 30m1 stop Hong Kong Intl
Cathay Pacific Logo
14:35 - 07:10ORD  Chicago O'Hare Intl-MEL Melbourne
47h 35m1 stop Hong Kong Intl
$2,191Cathay Pacific
Sat, 10 Oct - Wed, 4 Nov
American Airlines Logo
09:10 - 12:23SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
42h 13m1 stop Los Angeles
American Airlines Logo
15:20 - 06:25ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
24h 05m1 stop San Francisco
$2,270American Airlines
Fri, 28 Aug - Tue, 1 Sep
American Airlines Logo
09:10 - 12:23SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
42h 13m1 stop Los Angeles
American Airlines Logo
15:20 - 06:25ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
24h 05m1 stop San Francisco
$2,548American Airlines
Fri, 28 Aug - Tue, 1 Sep

momondo Fare Finder

 
Locate flights to Chicago O'Hare Intl 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 13 August 2026.
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

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

$1,148

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

$1,172
Fastest return journey

BrisbaneChicago

BNE Brisbane - ORD Chicago O'Hare Intl

BNEORD

Brisbane

Wed 18/11

11:15-21:49

2 stops26h 34m

Chicago O'Hare Intl

Mon 15/2

14:10-07:00

2 stops24h 50m

$1,747

BrisbaneChicago

BNE Brisbane - ORD Chicago O'Hare Intl

BNEORD

Brisbane

Wed 18/11

11:15-20:37

2 stops25h 22m

Chicago O'Hare Intl

Mon 15/2

07:15-07:00

2 stops31h 45m

$1,748

BrisbaneChicago

BNE Brisbane - ORD Chicago O'Hare Intl

BNEORD

Brisbane

Tue 17/11

00:40-12:55

1 stop28h 15m

Chicago O'Hare Intl

Wed 17/2

14:35-10:30

1 stop27h 55m

$1,812

BrisbaneChicago

BNE Brisbane - ORD Chicago O'Hare Intl

BNEORD

Brisbane

Mon 31/8

09:10-19:42

2 stops25h 32m

Chicago O'Hare Intl

Thu 10/9

17:50-11:35

2 stops26h 45m

$1,977

BrisbaneChicago

BNE Brisbane - ORD Chicago O'Hare Intl

BNEORD

Brisbane

Thu 27/8

20:45-16:51

2 stops35h 06m

Chicago O'Hare Intl

Thu 10/9

17:50-11:35

2 stops26h 45m

$1,989

MelbourneChicago

MEL Melbourne - ORD Chicago O'Hare Intl

MELORD

Melbourne

Sat 10/10

15:25-13:55

1 stop38h 30m

Chicago O'Hare Intl

Wed 4/11

14:35-07:10

1 stop47h 35m

$2,191

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Fri 28/8

09:10-12:23

1 stop42h 13m

Chicago O'Hare Intl

Tue 1/9

15:20-06:25

1 stop24h 05m

$2,270

SydneyChicago

SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl

SYDORD

Sydney Kingsford Smith

Fri 28/8

09:10-12:23

1 stop42h 13m

Chicago O'Hare Intl

Tue 1/9

15:20-06:25

1 stop24h 05m

$2,548

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 O'Hare Intl Airport from

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 October is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from Australia, with most prices found around $1,510. 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 $1,537.

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 $1,943 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.

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

$696

Best Round-Trip Price

$1,148

Fastest flight time

32h 55m

Popular in

July
The best one-way flight price to Chicago from Australia in the last 5 days is $696 (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 $1,148 (Sydney Kingsford Smith to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from Australia takes 32h 55m (Melbourne to Chicago O'Hare Intl).
Search Deals
July has the highest demand for flights to Chicago, with a 17% 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 September 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 26 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 $357. 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, United Airlines and Air Canada happen to be the most popular among our users. In the past year, 34% 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 August 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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Find better results for your trip to Chicago O'Hare Intl Airport ORD

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