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Look for other cheap flights to Chicago O'Hare Intl

$911 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 29/1. 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 O'Hare Intl Airport

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:45 - 14:41
BNE
-
ORD
19h 56m1 stop
Air Canada Logo
07:15 - 08:45
ORD
-
BNE
33h 30m2 stops
$1,380Air Canada
Thu, 12 Feb - Thu, 19 Feb
American Airlines Logo
19:40 - 18:04
BNE
-
ORD
37h 24m2 stops
American Airlines Logo
13:14 - 05:00
ORD
-
BNE
24h 46m2 stops
$1,384American Airlines
Tue, 17 Mar - Wed, 1 Apr
American Airlines Logo
09:40 - 08:20
BNE
-
ORD
38h 40m2 stops
American Airlines Logo
11:57 - 05:00
ORD
-
BNE
25h 03m2 stops
$1,386American Airlines
Wed, 18 Feb - Sun, 22 Feb
United Airlines Logo
13:00 - 21:36
MEL
-
ORD
25h 36m1 stop
United Airlines Logo
18:20 - 09:00
ORD
-
MEL
22h 40m1 stop
$1,522United Airlines
Mon, 2 Mar - Wed, 11 Mar
Air New Zealand Logo
11:55 - 21:08
SYD
-
ORD
24h 13m2 stops
Air New Zealand Logo
16:00 - 08:45
ORD
-
SYD
25h 45m2 stops
$1,574Air New Zealand
Tue, 5 May - Fri, 8 May
Air New Zealand Logo
11:55 - 21:33
SYD
-
ORD
24h 38m2 stops
Air New Zealand Logo
16:00 - 08:45
ORD
-
SYD
25h 45m2 stops
$1,577Air New Zealand
Wed, 13 May - Sat, 16 May
Japan Airlines Logo
10:30 - 07:35
PER
-
ORD
35h 05m2 stops
Japan Airlines Logo
18:40 - 23:55
ORD
-
PER
40h 15m2 stops
$1,877Japan Airlines
Thu, 5 Mar - Mon, 9 Mar
Japan Airlines Logo
10:30 - 07:35
PER
-
ORD
35h 05m2 stops
Japan Airlines Logo
18:40 - 23:55
ORD
-
PER
40h 15m2 stops
$1,880Japan Airlines
Thu, 5 Mar - Mon, 9 Mar
Cathay Pacific Logo
11:25 - 12:55
CNS
-
ORD
41h 30m1 stop
Cathay Pacific Logo
14:35 - 10:45
ORD
-
CNS
52h 10m2 stops
$2,012Cathay Pacific
Thu, 12 Feb - Mon, 16 Feb
Cathay Pacific Logo
11:25 - 12:55
CNS
-
ORD
41h 30m1 stop
Cathay Pacific Logo
14:35 - 10:45
ORD
-
CNS
52h 10m2 stops
$2,169Cathay Pacific
Thu, 12 Feb - Mon, 16 Feb

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 2 January 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

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 12/2

10:45-14:41

1 stop19h 56m

Chicago O'Hare Intl

Thu 19/2

07:15-08:45

2 stops33h 30m

$1,380

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 17/3

19:40-18:04

2 stops37h 24m

Chicago O'Hare Intl

Wed 1/4

13:14-05:00

2 stops24h 46m

$1,384

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 18/2

09:40-08:20

2 stops38h 40m

Chicago O'Hare Intl

Sun 22/2

11:57-05:00

2 stops25h 03m

$1,386

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 2/3

13:00-21:36

1 stop25h 36m

Chicago O'Hare Intl

Wed 11/3

18:20-09:00

1 stop22h 40m

$1,522

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 5/5

11:55-21:08

2 stops24h 13m

Chicago O'Hare Intl

Fri 8/5

16:00-08:45

2 stops25h 45m

$1,574

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 13/5

11:55-21:33

2 stops24h 38m

Chicago O'Hare Intl

Sat 16/5

16:00-08:45

2 stops25h 45m

$1,577

PerthChicago

PER - ORD

PERORD

Perth

Thu 5/3

10:30-07:35

2 stops35h 05m

Chicago O'Hare Intl

Mon 9/3

18:40-23:55

2 stops40h 15m

$1,877

PerthChicago

PER - ORD

PERORD

Perth

Thu 5/3

10:30-07:35

2 stops35h 05m

Chicago O'Hare Intl

Mon 9/3

18:40-23:55

2 stops40h 15m

$1,880

CairnsChicago

CNS - ORD

CNSORD

Cairns

Thu 12/2

11:25-12:55

1 stop41h 30m

Chicago O'Hare Intl

Mon 16/2

14:35-10:45

2 stops52h 10m

$2,012

CairnsChicago

CNS - ORD

CNSORD

Cairns

Thu 12/2

11:25-12:55

1 stop41h 30m

Chicago O'Hare Intl

Mon 16/2

14:35-10:45

2 stops52h 10m

$2,169

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 February is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from Australia, with most prices found around $1,071. If you are unable to visit Chicago O'Hare Intl Airport during the month of February, then departing from Australia during the month March is also very affordable. Most momondo users find prices during this month for around $1,086.

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 $1,440 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 $1,156 on momondo.

Cheapest flights to Chicago O'Hare Intl

Find the cheapest flights to Chicago O'Hare Intl from your nearest city or airport
Find flights from Sydney to Chicago O'Hare Intl Airport
CHEAPEST MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM SYDNEYFebruary26% cheaperFlying from Sydney to Chicago O'Hare Intl Airport costs on average just $1,071 in February
MOST EXPENSIVE MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM SYDNEYDecember49% more expensiveIt costs about $2,145 for flights to Chicago O'Hare Intl Airport from Sydney in December
MOST POPULAR MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM SYDNEYJune461% more users visitedMore momondo users searched in flights to Chicago O'Hare Intl Airport from Sydney in June than any other month

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

$911

Best Round-Trip Price

$1,380

Fastest flight time

24h 57m

Popular in

December
The best one-way flight price to Chicago from Australia in the last 72 hours is $911 (Brisbane to Chicago O'Hare Intl).
Search Deals
The best round-trip flight price to Chicago from Australia in the last 72 hours is $1,380 (Brisbane to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from Australia takes 24h 57m (Coolangatta Gold Coast to Chicago O'Hare Intl).
Search Deals
December has the highest demand for flights to Chicago, with a 5% 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 February 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 78 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 Greater Rockford Airport where the average price is $143. 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 10 airlines that fly to Chicago O'Hare Intl Airport on a routine basis, but Qantas Airways, Air Canada and United Airlines happen to be the most popular among our users. In the past year, 59% 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 11 as of January 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

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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